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    <lastmod>2021-02-19</lastmod>
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    <loc>https://www.xrfsolutions.ca/applications</loc>
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    <lastmod>2020-04-10</lastmod>
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    <loc>https://www.xrfsolutions.ca/technology</loc>
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  <url>
    <loc>https://www.xrfsolutions.ca/duvernay-vt</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd2fcc855f3233cd6220f/1586287370457/duv+core+majors.png</image:loc>
      <image:title>Duvernay Core - Major Elements</image:title>
      <image:caption>The major elements are used to construct a basic stratigraphy over the target zone. They represent building blocks of the main rock forming minerals and allow the client to see changes in stratigraphy before any significant processing of the data has occurred. The elements Aluminum (Al), Potassium (K) and Iron (Fe) can also be used to help determine what type of clay minerals are present.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd34cf1e18465f528f2c2/1586287448528/duv+core+fluids.png</image:loc>
      <image:title>Duvernay Core - Fluids and TOC</image:title>
      <image:caption>Portable XRF instruments cannot directly measure organic compounds like hydrocarbons or water. Several chemical indicators distinguish between oxidizing and reducing environments. Values, predicted using the XRF Solutions algorithm, can be compared to lab measured TOC, oil, water and gas for samples from the same intervals to confirm XRF data (individual points overlaying curves).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd315b9a2747ebe18fd78/1586287400909/duv+core+min.png</image:loc>
      <image:title>Duvernay Core - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms. XRF mineral calculations are compared to XRD results (individual points overlaying curves).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd36cc855f3233cd63e9f/1586287495717/duv+core+mech.png</image:loc>
      <image:title>Duvernay Core - Mechanical Properties</image:title>
      <image:caption>Mineral composition and rock fabric parameters are used to develop algorithms for modelling mechanical properties such as Poisson’s ratio and Young’s modulus. Mechanical properties are controlled by mineralogy and fabric. Understanding these relationships makes it possible to predict the mechanical properties. Mechanical properties of unconventional reservoirs are very important in exploitation of oil and gas reserves. If a rock is too ductile or too strong it may not be possible to induce hydraulic fractures, emplace proppant or to prevent closure of fractures that do propagate.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd2cf72d67858e73d1294/1586287333521/duv+core+spectral.png</image:loc>
      <image:title>Duvernay Core - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd3c46bba1d170435d33a/1586287569447/duv+core+trace.png</image:loc>
      <image:title>Duvernay Core - Trace Elements</image:title>
      <image:caption>Trace elements log suites can be useful for helping to identify reservoir characteristics such as detrital source, cement chemical signatures, and zone markers. One of the main purposes of conducting the XRF analyses on core is to build a vertical stratigraphy chemical profile so that the same stratigraphic packages can be identified when drilling a horizontal well. Trace element chemistry is a great tool for locating which stratigraphic interval the well is located in when drilling through packages with similar mineralogy.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cd39c05bb9a1eed70e3d5/1586287544056/duv+core+res+q.png</image:loc>
      <image:title>Duvernay Core - Reservoir Properties</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability and TOC. These are displayed along with gamma wireline log data. These properties aid in the location of zones with the best reservoir properties. The parameters displayed in the reservoir quality log suite are determined from the proprietary phase theory and semi-empirical specific mineral interaction models. Individual points overlaying curves are reference lab data.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/new</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/montney-vt</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dea676cc0735a3a7ba6b6/1586358897243/mont+core+spec.png</image:loc>
      <image:title>Montney Core - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8debbfce118367c46b6cf4/1586359236831/mont+core+trace.png</image:loc>
      <image:title>Montney Core - Trace Elements</image:title>
      <image:caption>Trace elements log suites can be useful for helping to identify reservoir characteristics such as detrital source, cement chemical signatures, and zone markers. One of the main purposes of conducting the XRF analyses on core is to build a vertical stratigraphy chemical profile so that the same stratigraphic packages can be identified when drilling a horizontal well. Trace element chemistry is a great tool for locating which stratigraphic interval the well is located in when drilling through packages with similar mineralogy.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dea81d54e3f3497ad4e42/1586358922046/mont+core+maj.png</image:loc>
      <image:title>Montney Core - Major Elements</image:title>
      <image:caption>The major elements are used to construct a basic stratigraphy over the target zone. They represent building blocks of the main rock forming minerals and allow the client to see changes in stratigraphy before any significant processing of the data has occurred. The elements Aluminum (Al), Potassium (K) and Iron (Fe) can also be used to help determine what type of clay minerals are present.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dea95b95f697524de2f39/1586358952788/mont+core+min.png</image:loc>
      <image:title>Montney Core - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms. XRF mineral calculations are compared to XRD results (individual points overlaying curves).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8df246fcef2e58f042e2d0/1586360912941/mont+core+shear.png</image:loc>
      <image:title>Montney Core - Fracture and Fault Indicators</image:title>
      <image:caption>There are a variety trace elements and ratios that are indicative of mineralized natural fractures or zones with a high cement content. Highlighted here is a shear zone from core that possessed elevated levels of Ca, Sr, Ba, Cu, As and Ni.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8deb0c8ce9a85e1981a3b5/1586359067269/mont+core+res+q.png</image:loc>
      <image:title>Montney Core - Reservoir Quality</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability and TOC. These are displayed along with gamma wireline log data. These properties aid in the location of zones with the best reservoir properties. The parameters displayed in the reservoir quality log suite are determined from the proprietary phase theory and semi-empirical specific mineral interaction models. Individual points overlaying curves are reference lab data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8deaf2a6d950053552ef40/1586359035623/mont+core+mech.png</image:loc>
      <image:title>Montney Core - Mechanical Properties</image:title>
      <image:caption>Mineral composition and rock fabric parameters are used to develop algorithms for modelling mechanical properties such as Poisson’s ratio and Young’s modulus. Mechanical properties are controlled by mineralogy and fabric. Understanding these relationships makes it possible to predict the mechanical properties. Mechanical properties of unconventional reservoirs are very important in exploitation of oil and gas reserves. If a rock is too ductile or too strong it may not be possible to induce hydraulic fractures, emplace proppant or to prevent closure of fractures that do propagate.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8deabece7366284b82f3e7/1586359001525/mont+core+fluids.png</image:loc>
      <image:title>Montney Core - Fluid Estimate and TOC</image:title>
      <image:caption>Portable XRF instruments cannot directly measure organic compounds like hydrocarbons or water. Several chemical indicators distinguish between oxidizing and reducing environments. Values, predicted using the XRF Solutions algorithm, can be compared to lab measured TOC, oil, water and gas for samples from the same intervals to confirm XRF data (individual points overlaying curves).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/conventional-vt</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0f6ea9fffa35401e4127/1586368387926/conv+core+res+q.png</image:loc>
      <image:title>Conventional Core - Reservoir Properties</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability, Qtz/Zr and TOC. These are displayed along with gamma wireline log data. These properties aid in the location of zones with the best reservoir properties. The parameters displayed in the reservoir quality log suite are determined from the proprietary phase theory and semi-empirical specific mineral interaction models. Individual points overlaying curves are reference lab data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0f09a9fffa35401e278d/1586368278904/conv+core+psd.png</image:loc>
      <image:title>Conventional Core - Particle Size Distribution</image:title>
      <image:caption>Mineralogy and trace element chemistry are used to model particle size distribution (PSD). Sands with more heavy minerals are finer grained. PSD shows changes in grain size within quartz rich sands and can help to identify sand on sand contacts. XRF PSD compares favorably to Laser PSD reference data. XRF PSD is used to estimate permeability through a variation of Berg’s model (Berg, 1970).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0ee6da7c2e61171b84c7/1586368251348/conv+core+clay.png</image:loc>
      <image:title>Conventional Core - Clay Mineralogy</image:title>
      <image:caption>XRF clay mineralogy shows changes in clay composition. Not all shale is the same, highlighted in blue is what we characterize as a “cold shale” which has a high kaolinite content, and is hidden from the gamma. Highlighted in red is what we characterize as a “hot sand” which has a high gamma relative to clay content. “Hot sand” is due to heavy mineral concentrations which XRF can detect.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0f535f014114a551ea4d/1586368349934/conv+core+greain+size.png</image:loc>
      <image:title>Conventional Core - Grain Size</image:title>
      <image:caption>Grain size can be estimated as a function the particle size distribution by binning the PSD data. Sands with a higher Qtz/Zr ratio (chert) are coarser grained.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0e7abcc74033b6709527/1586368149079/conv+core+spec.png</image:loc>
      <image:title>Conventional Core - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e0ea53b7d772b9e3e7414/1586368201890/conv+core+min.png</image:loc>
      <image:title>Conventional Core - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms. Qtz/Zr is used as a proxy for chert or quartz cement.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/oil-sands-vt</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8c9c0d5d5f322a43bf2b0a/1586876134693/Oil+sands+hot+sands.png</image:loc>
      <image:title>Oil Sands Core - Radioactive “Hot” Sands</image:title>
      <image:caption>Radioactive “hot” sands are sandy intervals with high gamma readings. These sands contain heavy mineral assemblages. The radioactive heavy minerals are likely Monazite (Th and U) and Zircon (U). On wire line logs they are see as; Increased gamma, that looks like high clay. Increased grain density, that looks like decreased porosity. Increased conductivity, which looks like less hydrocarbon.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8ca48714cbe00a7138e206/1586876207393/oil+sands+res+qual.png</image:loc>
      <image:title>Oil Sands Core - Reservoir Properties &amp; Bitumen Analysis</image:title>
      <image:caption>Chemical analysis of oil sands core provides mineral composition, sediment source and clay typing information about the rock. This information combined with trace elements allows for the estimation of porosity, permeability, oil saturation, water/gas saturation and a degradation index (S in oil) comparable to Dean-Stark results. The completed XRF analysis of a single core can be conducted in a few days once a model is developed.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8c9bdf19a22319569a5c58/1586876124546/Oil+sands+spectral+Gamma.png</image:loc>
      <image:title>Oil Sands Core - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8c9e44bab1a6495e7dac6a/1586876160700/oil+sands+mineralogy.png</image:loc>
      <image:title>Oil Sands Core - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms. High resolution sampling ensures no details are overlooked in the core.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8ca379bd1cfd4b8da10510/1586876198121/oil+sands+grain+size.png</image:loc>
      <image:title>Oil Sands Core - Grain Size</image:title>
      <image:caption>Grain size can be estimated as a function the particle size distribution by binning the PSD data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8ca02a91fe8b5e598974d3/1586876182167/oil+sands+PSD.png</image:loc>
      <image:title>Oil Sands Core - Particle Size Distribution</image:title>
      <image:caption>Mineralogy and trace element chemistry are used to model particle size distribution (PSD). Sands with more heavy minerals are finer grained. PSD shows changes in grain size within quartz rich sands and can help to identify sand on sand contacts. XRF PSD compares favorably to Laser PSD reference data. XRF PSD is used to estimate permeability through a variation of Berg’s model (Berg, 1970).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8c9c3e90a8bb5cd9575a2a/1586876153838/oil+sands+majors.png</image:loc>
      <image:title>Oil Sands Core - Major Elements</image:title>
      <image:caption>The major elements are used to construct a basic stratigraphy over the target zone. They represent building blocks of the main rock forming minerals and allow the client to see changes in stratigraphy before any significant processing of the data has occurred. The elements Aluminum (Al), Potassium (K) and Iron (Fe) can also be used to help determine what type of clay minerals are present.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8c9f8df67a214eadedc84d/1586876167061/oil+sands+clay+min.png</image:loc>
      <image:title>Oil Sands Core - Clay Mineralogy</image:title>
      <image:caption>The viewing side of the oil sands core is analyzed with the bitumen, so there is no loss of fines or clays.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/process</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-07-09</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/heavy-oil-hz</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc4fef1e18465f525a946/1586283785669/heavy+oil+hz+res+props.png</image:loc>
      <image:title>Heavy Oil Horizontal - Reservoir Properties &amp; Bitumen Analysis</image:title>
      <image:caption>Chemical analysis of heavy oil formations provides mineral composition, sediment source and clay typing information about the rock. This information combined with trace elements allows for the estimation of porosity, permeability, oil saturation and water/gas saturation. It should be noted that in this case the cuttings have been cleaned of all oil, pore water can be used as an estimate of original oil in place.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc33799fd2166b9da6eae/1586283328996/heavy+oil+HZ+psd.png</image:loc>
      <image:title>Heavy Oil Horizontal - Particle Size Distribution</image:title>
      <image:caption>Mineralogy and trace element chemistry are used to model particle size distribution (PSD). Sands with more heavy minerals are finer grained. PSD shows changes in grain size within quartz rich sands and can help to identify sand on sand contacts. XRF PSD compares favorably to Laser PSD reference data. XRF PSD is used to estimate permeability through a variation of Berg’s model (Berg, 1970).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc289363d8113755c2bd6/1586283153201/heavy+oil+hz+min.png</image:loc>
      <image:title>Heavy Oil Horizontal - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc3af05bb9a1eed6d1918/1586283445457/heavy+oil+hz+grain+size.png</image:loc>
      <image:title>Heavy Oil Horizontal - Grain Size</image:title>
      <image:caption>Grain size can be estimated as a function the particle size distribution by binning the PSD data. This data is useful for customizing liner slot sizes. .</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc2381916b536836001fe/1586283082334/heavy+oil+hz+spectral.png</image:loc>
      <image:title>Heavy Oil Horizontal - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cc2ebfe2c274dd8feb545/1586283261449/hevy+oil+hz+clay+min.png</image:loc>
      <image:title>Heavy Oil Horizontal - Clay Mineralogy</image:title>
      <image:caption>Major element composition determined by XRF can be used to obtain clay mineralogy through normative calculations.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/montney-hz</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfe5514608d7c62f70c94/1586364002744/mont+hz+frac.png</image:loc>
      <image:title>Montney Horizontal - Fracture and Fault Indicators</image:title>
      <image:caption>There are a variety trace elements and ratios that are indicative of mineralized natural fractures or zones with a high cement content. Highlighted in green is an interval with anhydrite filled fractures, and highlighted in purple are indicators of a shear zone.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfdd47d855f3ee74dc527/1586363877956/mont+hz+maj.png</image:loc>
      <image:title>Montney Horizontal - Major Elements</image:title>
      <image:caption>The major elements are used to construct a basic stratigraphy over the target zone. They represent building blocks of the main rock forming minerals and allow the client to see changes in stratigraphy before any significant processing of the data has occurred. The elements Aluminum (Al), Potassium (K) and Iron (Fe) can also be used to help determine what type of clay minerals are present.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfe29fa1cee125d62a915/1586363957166/mont+hz+mech.png</image:loc>
      <image:title>Montney Horizontal - Mechanical Properties</image:title>
      <image:caption>Mineral composition and rock fabric parameters are used to develop algorithms for modelling mechanical properties such as Poisson’s ratio and Young’s modulus. Mechanical properties are controlled by mineralogy and fabric. Understanding these relationships makes it possible to predict the mechanical properties. Mechanical properties of unconventional reservoirs are very important in exploitation of oil and gas reserves. If a rock is too ductile or too strong it may not be possible to induce hydraulic fractures, emplace proppant or to prevent closure of fractures that do propagate.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfe3dfa1cee125d62ad55/1586363980715/mont+hz+resq.png</image:loc>
      <image:title>Montney Horizontal - Reservoir Quality</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability and TOC. These are displayed along with gamma, gas, TVD and ROP . The parameters displayed in the reservoir quality log suite are determined from the proprietary phase theory and semi-empirical specific mineral interaction models.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfd97abc7f63c50f86e5e/1586363848179/mont+hz+spec.png</image:loc>
      <image:title>Montney Horizontal - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfe1043d1441c924a8832/1586363935729/Mont+hz+fluids.png</image:loc>
      <image:title>Montney Horizontal - Fluid Estimate and TOC</image:title>
      <image:caption>Portable XRF instruments cannot directly measure organic compounds like hydrocarbons or water. Several chemical indicators distinguish between oxidizing and reducing environments. Values, predicted using the XRF Solutions algorithm, can be compared to lab measured TOC, oil, water and gas for samples from the same intervals to confirm XRF data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8dfdeef37df041eed5829f/1586363909201/mont+hz+min.png</image:loc>
      <image:title>Montney Horizontal - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/duvernay-hz</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cda691916b5368365a7b2/1586289292369/duv+hz+spectral.png</image:loc>
      <image:title>Duvernay Horizontal - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cdb478704b06f82967eee/1586289491258/duv+hz+majors.png</image:loc>
      <image:title>Duvernay Horizontal - Major Elements</image:title>
      <image:caption>The major elements are used to construct a basic stratigraphy over the target zone. They represent building blocks of the main rock forming minerals and allow the client to see changes in stratigraphy before any significant processing of the data has occurred. The elements Aluminum (Al), Potassium (K) and Iron (Fe) can also be used to help determine what type of clay minerals are present.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cdb5b3c5e1a30fe80df48/1586289507553/duv+hz+min.png</image:loc>
      <image:title>Duvernay Horizontal - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cdbc60368e635158e1dbb/1586289621461/duv+hz+trace.png</image:loc>
      <image:title>Duvernay Horizontal - Trace Elements</image:title>
      <image:caption>Trace elements log suites can be useful for helping to identify reservoir characteristics such as detrital source, cement chemical signatures, and zone markers. One of the main purposes of conducting the XRF analyses on core is to build a vertical stratigraphy chemical profile so that the same stratigraphic packages can be identified when drilling a horizontal well. Trace element chemistry is a great tool for locating which stratigraphic interval the well is located in when drilling through packages with similar mineralogy.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cdb6d3c5e1a30fe80e336/1586289528630/duv+hz+fluids.png</image:loc>
      <image:title>Duvernay Horizontal - Fluids and TOC</image:title>
      <image:caption>Portable XRF instruments cannot directly measure organic compounds like hydrocarbons or water. Several chemical indicators distinguish between oxidizing and reducing environments. Values, predicted using the XRF Solutions algorithm, can be compared to lab measured TOC, oil, water and gas for samples from the same intervals to confirm XRF data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8cdbaf2bbdc91f19f162b8/1586289594016/duv+hz+res+q.png</image:loc>
      <image:title>Duvernay Horizontal - Reservoir Properties</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability and TOC. These are displayed along with gamma, gas, TVD and ROP . The parameters displayed in the reservoir quality log suite are determined from the proprietary phase theory and semi-empirical specific mineral interaction models.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/conventional-hz</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-14</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e27bc7240795766803dac/1586374605625/conv+hz+Min.png</image:loc>
      <image:title>Conventional Horizontal - Mineralogy</image:title>
      <image:caption>Most geoscientists and engineers that we work with are not familiar with elemental data. The use is generally limited to stratigraphic correlation. However, there is a significant body of data that, if converted to more familiar and more pertinent forms, provide a wealth of information. Reservoir properties are generally a function of the mineralogy and fabric of the rock, not simply the elemental composition. Determination of the mineralogy from the elemental data provides the user with a much more powerful tool. We employ the principles of mineralogy phase theory to construct normative mineral algorithms. Qtz/Zr is used as a proxy for chert or quartz cement. Individual points on the chart are XRD reference data.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e27d5e23ec1577ee16f18/1586374624448/conv+hz+min+clay.png</image:loc>
      <image:title>Conventional Horizontal - Clay Mineralogy</image:title>
      <image:caption>XRF clay mineralogy shows changes in clay composition. There is a very good match between XRF total clay and MWD gamma. This horizontal does not show any characteristics of a “cold shale” or “hot sand” as seen in the core.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e28549747a317de8de8c7/1586374758147/conv+hz+resq.png</image:loc>
      <image:title>Conventional Horizontal - Reservoir Properties</image:title>
      <image:caption>The most important factors for proper evaluation of the target reservoir are gathered into one log suite. The key factors selected for this log suite are detrital framework components, total clay, total carbonate, mechanical properties, porosity, permeability, Qtz/Zr and TOC. These are displayed along with MWD gamma and gas data. XRF porosity shows a strong correlation with MWD gas. Mineralogy, mechanical properties and permeability are key in frac planning.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e278e3b082f5809431d00/1586374552957/conv+hz+spec.png</image:loc>
      <image:title>Conventional Horizontal - Spectral Gamma</image:title>
      <image:caption>XRF analysis directly measures the elemental concentrations of potassium(K), uranium(U), and thorium(Th) in a given rock sample. These amounts are then converted to a synthetic total gamma (XRF GR). Wireline and MWD tools measure natural gamma rays from a volume of rock in-situ, then back calculate how much K, U and Th are present. By comparing the results of down hole readings with XRF gamma, the cuttings or core can be depth shifted to their correct locations of origin. In horizontal wells, the XRF can provide a spectral gamma from drill cuttings to compliment MWD, and potentially identify if a downhole gamma tool has malfunctioned.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e282fda723c5a0b1ba7da/1586374732198/conv+hz+grain+size.png</image:loc>
      <image:title>Conventional Horizontal - Grain Size</image:title>
      <image:caption>Grain size can be estimated as a function the particle size distribution by binning the PSD data. Sands with a higher Qtz/Zr ratio (chert) are coarser grained.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5e8e280ba6041f3aae1871f8/1586374678625/conv+hz+psd.png</image:loc>
      <image:title>Conventional Horizontal - Particle Size Distribution</image:title>
      <image:caption>Mineralogy and trace element chemistry are used to model particle size distribution (PSD). Sands with more heavy minerals are finer grained. PSD shows changes in grain size within quartz rich sands and can help to identify sand on sand contacts. This data is useful for customizing liner slot sizes.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/duvernay</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-07</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/montney</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-08</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/heavy-oil</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-08</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/conventional</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-04-08</lastmod>
  </url>
  <url>
    <loc>https://www.xrfsolutions.ca/featured-studies</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2021-02-01</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/60186e5682413b4f61d71246/1612213858523/Oil+Sands+Picture.jpg</image:loc>
      <image:title>Featured Studies</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5f062e364699a73e3c974c5d/1594240661550/Ellerslie.PNG</image:loc>
      <image:title>Featured Studies</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/5cb61bcf0cf57dee3cd4b51b/t/5f06420e38854501f8b4853a/1594316850944/Mountain+XRF.PNG</image:loc>
      <image:title>Featured Studies</image:title>
    </image:image>
  </url>
</urlset>

