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Date
IP Address
2025-08-28
16.15.0.209
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ClassC
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2025-09-06
16.15.4.210
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2025-11-03
52.219.116.67
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ClassC
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data-show-onmobile> div classheader--row-inner header-main-inner> div classcontainer> div classrow row--wrapper data-sectionhfg_header_layout_main> div classhfg-slot left>div classbuilder-item tablet-left mobile-left>div classitem--inner builder-item--logo data-sectiontitle_tagline data-item-idlogo> div classsite-logo> a classbrand hrefhttp://easuperheat.com/ aria-labelEnergy Analyst LLC Superheated steam for enhanced oil recovery relhome>img width200 height49 srchttp://easuperheat.com/wp-content/uploads/2023/07/cropped-ea-logo-2-2023.png classneve-site-logo skip-lazy alt data-variantlogo decodingasync>/a>/div> /div>/div>/div>div classhfg-slot right>div classbuilder-item tablet-left mobile-left>div classitem--inner builder-item--nav-icon data-sectionheader_menu_icon data-item-idnav-icon> div classmenu-mobile-toggle item-button navbar-toggle-wrapper> button typebutton class navbar-toggle valueNavigation Menu aria-labelNavigation Menu aria-expandedfalse onclickif(undefined ! typeof 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style>.is-menu-sidebar .header-menu-sidebar { visibility: visible; }.is-menu-sidebar.menu_sidebar_slide_left .header-menu-sidebar { transform: translate3d(0, 0, 0); left: 0; }.is-menu-sidebar.menu_sidebar_slide_right .header-menu-sidebar { transform: translate3d(0, 0, 0); right: 0; }.is-menu-sidebar.menu_sidebar_pull_right .header-menu-sidebar, .is-menu-sidebar.menu_sidebar_pull_left .header-menu-sidebar { transform: translateX(0); }.is-menu-sidebar.menu_sidebar_dropdown .header-menu-sidebar { height: auto; }.is-menu-sidebar.menu_sidebar_dropdown .header-menu-sidebar-inner { max-height: 400px; padding: 20px 0; }.is-menu-sidebar.menu_sidebar_full_canvas .header-menu-sidebar { opacity: 1; }.header-menu-sidebar .menu-item-nav-search:not(.floating) { pointer-events: none; }.header-menu-sidebar .menu-item-nav-search .is-menu-sidebar { pointer-events: unset; }.nav-ul li:focus-within .wrap.active + .sub-menu { opacity: 1; visibility: visible; }.nav-ul li.neve-mega-menu:focus-within .wrap.active + .sub-menu { display: grid; }.nav-ul li > .wrap { display: flex; align-items: center; position: relative; padding: 0 4px; }.nav-ul:not(.menu-mobile):not(.neve-mega-menu) > li > .wrap > a { padding-top: 1px }/style> main idcontent classneve-main>div idwp-block-themeisle-blocks-advanced-columns-512cc8e9 classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-center>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-d0923845 classwp-block-themeisle-blocks-advanced-column ticss-772a8d7e>h1 classwp-block-heading has-text-align-center has-text-color stylecolor:#2b2b2b>Superheated Steam for Enhanced Oil Recovery /h1>h5 classwp-block-heading has-text-align-center>Upgrade conventional OTSG steam to superheated steam at marginal cost to overcome deficiencies and increase production./h5>h5 classwp-block-heading has-text-align-center>US Patent # 10,641,481 B2/h5>div idwp-block-themeisle-blocks-button-group-089c65f7 classwp-block-themeisle-blocks-button-group collapse-mobile wp-block-buttons align-center>div idwp-block-themeisle-blocks-button-c5161ab0 classwp-block-themeisle-blocks-button wp-block-button>a hrefhttp://easuperheat.com/contact/ target_self relnoopener noreferrer classwp-block-button__link>span>GET IN TOUCH/span>/a>/div>/div>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-d68eee3c classwp-block-themeisle-blocks-advanced-columns alignfull has-3-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center has-light-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-80f0db44 classwp-block-themeisle-blocks-advanced-column has-light-bg>div classwp-block-themeisle-blocks-service>div idwp-block-themeisle-blocks-font-awesome-icons-832668e3 classwp-block-themeisle-blocks-font-awesome-icons>span classwp-block-themeisle-blocks-font-awesome-icons-container>i classfas fa-check>/i>/span>/div>h3 idwp-block-themeisle-blocks-advanced-heading-9ce62e7d classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-9ce62e7d>Experience/h3>p idwp-block-themeisle-blocks-advanced-heading-4d9cde9e classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-4d9cde9e>Experience in design, fabrication and fielding of direct contact steam generators dating back to DOE Project DEEP STEAM, 1977/p>/div>/div>div idwp-block-themeisle-blocks-advanced-column-75651b0e classwp-block-themeisle-blocks-advanced-column>div idwp-block-themeisle-blocks-font-awesome-icons-7b11599f classwp-block-themeisle-blocks-font-awesome-icons>span classwp-block-themeisle-blocks-font-awesome-icons-container>i classfas fa-check>/i>/span>/div>h3 idwp-block-themeisle-blocks-advanced-heading-e574c793 classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-e574c793>Modular/h3>p idwp-block-themeisle-blocks-advanced-heading-77ddd0de classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-77ddd0de>Begin with a small basic system and grow in complexity as data on liquid and gas production is acquired/p>/div>div idwp-block-themeisle-blocks-advanced-column-27094f67 classwp-block-themeisle-blocks-advanced-column>div idwp-block-themeisle-blocks-font-awesome-icons-ee4b6d4b classwp-block-themeisle-blocks-font-awesome-icons>span classwp-block-themeisle-blocks-font-awesome-icons-container>i classfas fa-check>/i>/span>/div>h3 idwp-block-themeisle-blocks-advanced-heading-868c0873 classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-868c0873>Field Time/h3>p idwp-block-themeisle-blocks-advanced-heading-a1a200dc classwp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-a1a200dc>Long term field operation of direct contact system at 400 sup>O/sup>F superheat (over 800 sup>O/sup>F injection temperature)/p>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-ea00312e classwp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-f0003287 classwp-block-themeisle-blocks-advanced-column has-light-bg>h2 classwp-block-heading>Background/h2>p classhas-text-align-left>Two-phase steam injection from once-through boilers has seen extensive utilization for thermal oil recovery for many years. /p>p classhas-text-align-left>As a mature technology, various benefits and deficits have been observed. /p>p classhas-text-align-left>Heated oil viscosity is reduced and particularly for heavy oils, high viscosity is a recognized limiting factor in production. /p>p classhas-text-align-left>Observed deficiencies include: boiler emissions which are coming under increased scrutiny in sensitive areas, formation channeling which bypasses a non-negligible fraction of OOIP, and thermodynamic linkage of temperature to injection pressure. This limits two-phase steam temperature for shallow formations where connate water cannot be vaporized to flush associated oil from tight pore volumes./p>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>GET IN TOUCH/a>/div>/div>div idwp-block-themeisle-blocks-advanced-column-ea5d33c3 classwp-block-themeisle-blocks-advanced-column>figure classwp-block-image size-large is-style-default>img fetchpriorityhigh decodingasync width1024 height683 srchttp://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-1024x683.jpg alt classwp-image-138 srcsethttp://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-1024x683.jpg 1024w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-300x200.jpg 300w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-768x512.jpg 768w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-1536x1024.jpg 1536w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-2048x1365.jpg 2048w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-528574174-930x620.jpg 930w sizes(max-width: 1024px) 100vw, 1024px>/figure>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-ad20c616 classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center has-light-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-cb2b8741 classwp-block-themeisle-blocks-advanced-column ticss-44eccd86>h2 classwp-block-heading>Known and Anticipated Benefits of EA Direct Contact Superheat Steam/h2>ol classwp-block-list>li>Temperature is not limited by injection pressure so that higher temperatures and further viscosity reduction can be achieved, even in shallow formations./li>li>Pyrolysis of heated oil produces lighter fractions which will proceed thermal front. Light hydrocarbon gases will solubilize in low temperature virgin oil ahead of thermal zone, thus reducing viscosity of cold oil. TGA results from Los Alamos National Laboratories indicated that for a mid-continent heavy crude, 87% of sample, by mass, was pyrolyzed at 500sup>O/sup>C, leaving a carbonaceous/ash residue. /li>li>Observed excess non-solubilized pyrolysis gases arriving at production well may be sufficient to fire all heating equipment, including boiler and superheater after initial start-up period. Excess produced fuel can be used for power generation or other heating needs./li>li>Permeability improvement of tight formations has been observed in various core flood tests (reported in literature)./li>li>Channeling and fingering of steam/condensed water in formation is reduced./li>li>For slim hole injection, heat transfer coefficient between superheated steam and casing is greatly reduced compared to two-phase steam injection./li>li>Accelerated production and higher sweep efficiency associated with non-condensable flue gas injection provides/enhances drive mechanism./li>li>Based on apparent advantages of superheat, conventional design indirect contact superheaters have been built and field tested but because of high cost, size, and zero mobility (which results in high heat loss from central plant), the effort has experienced questionable benefits./li>/ol>hr classwp-block-separator has-alpha-channel-opacity>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>CONTACT US/a>/div>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-5e6f3a8e classwp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-4949e572 classwp-block-themeisle-blocks-advanced-column has-light-bg>h2 classwp-block-heading>Energy Analyst (EA) Approach/h2>p>By using a direct contact superheater, the unit can be configured to superheat two-phase or saturated steam vapor from a conventional once-through boiler, provided that feed water has been de-mineralized or a separator used to eliminate the liquid phase which retains the dissolved solids. In this configuration, it can be deployed as an add-on to existing boilers and steam flood operations. /p>p>Alternately, a direct contact superheater can be constructed as a stand-alone device, provided that minerals are removed from feed water. /p>p>In either approach, the oxidizer can be air or oxygen. If oxygen is used as the oxidizer, then nitrogen will not appear in produced gases which will consist primarily of hydrogen, methane and low carbon number hydrocarbons as well as any carbon dioxide which has not been solubilized into forward, cold formation crude oil. Even at high fractions of carbon dioxide, produced gases can be passed directly to the boiler burner or superheater as fuel. If superheater is stand-alone, there will be no emissions. /p>p>At end of project, reservoir can be sealed; thus sequestering all generated carbon dioxide./p>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>GET IN TOUCH/a>/div>/div>div idwp-block-themeisle-blocks-advanced-column-372f2dc9 classwp-block-themeisle-blocks-advanced-column>figure classwp-block-image size-large is-style-default>img decodingasync width1024 height733 srchttp://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-1024x733.jpg alt classwp-image-140 srcsethttp://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-1024x733.jpg 1024w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-300x215.jpg 300w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-768x550.jpg 768w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-1536x1099.jpg 1536w, http://easuperheat.com/wp-content/uploads/2023/07/iStock-178100133-2048x1466.jpg 2048w sizes(max-width: 1024px) 100vw, 1024px>/figure>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-2d901622 classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center has-light-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-58f234a7 classwp-block-themeisle-blocks-advanced-column ticss-44eccd86>h2 classwp-block-heading>What does Energy Analyst (EA) have to offer?/h2>ol classwp-block-list>li>Experience in design, fabrication and fielding of direct contact steam generators dating back to DOE Project DEEP STEAM, 1977, with multiple subsequent commercial endeavors, as oil prices fluctuate./li>li>Long term field operation of direct contact system at 400 sup>O/sup>F superheat (over 800 sup>O/sup>F injection temperature)./li>li>Some experience in design, fabrication and fielding of a direct contact steam generator using pure oxygen as oxidizer and field gas fuel./li>li>Team includes a registered chemical/mechanical engineer with design, fabrication and field experience with direct contact steam generators, a petroleum engineer experienced in large field projects and with access to reservoir modeling and simulation, and a knowledgeable hardware/manufacturing interface providing access to custom equipment manufacture in ASME code shop./li>li>Team has identified appropriate heavy oil deposits and has contact with lease holders with interest in implementing technology if funding can be secured./li>li>Operation can begin with small basic system and grow in complexity and added patterns as data regarding liquid and gas production is acquired./li>li>Intellectual property covered by US Patent # 10,641,481 B2./li>/ol>hr classwp-block-separator has-alpha-channel-opacity>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>CONTACT US/a>/div>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-04f594d2 classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center has-dark-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-00c5b9c2 classwp-block-themeisle-blocks-advanced-column>h2 classwp-block-heading has-white-color has-text-color>Results of Proof-of-Concept in Missouri/h2>ol classwp-block-list>li>Injection pattern during conventional steam flooding by a previous operator (200sup>O/sup>C) was shut-in due to high steam-oil ratio. That means the saturated steam was not hot enough to melt the oil./li>li>Our superheated steam injection averaged >425sup>O/sup>C at a pressure of 280 psi (214sup>O/sup>C above saturation temperature) at a rate of 180 barrels per day./li>li>1:1 water injection to total production. That means the test area has sufficient permeability for commercial production. Gas was not utilized during tis proof test. This gas will be used during next test to reduce operating costs./li>li>Temperatures in the northern producers increased from 16sup>O/sup>C at start to 54sup>O/sup>C at test end. The remainder of the producers averaged 32sup>O/sup>C at the end of the test. This means the superheated steam was expanding in all directions to provide maximum production./li>li>Previous experience indicates substantial oil production will not occur until the temperature at the producers reaches 82sup>O/sup>C. This means the proof-of-concept test was too short for commercial production as the oil has to be at least 82sup>O/sup>C to flow to the producer./li>li>The superheater performed flawlessly, and no damage was noted upon teardown at the conclusion of the test. Based on the rate of increase in production, commercial production would have commenced within six additional weeks./li>/ol>figure classwp-block-table>table>tbody>tr>td>Week of/td>td>Produced Water (bbl)/td>td>Produced Oil (bbl)/td>/tr>tr>td>Sep 10/td>td>1008/td>td>5/td>/tr>tr>td>Sep 17/td>td>995/td>td>7/td>/tr>tr>td>Sep 24/td>td>1118/td>td>14/td>/tr>tr>td>Oct 1/td>td>1125/td>td>23/td>/tr>tr>td>Oct 8/td>td>1141/td>td>42/td>/tr>tr>td>Oct 15/td>td>1207/td>td>70/td>/tr>/tbody>/table>/figure>div classwp-block-image>figure classaligncenter size-full>img decodingasync width191 height192 srchttp://easuperheat.com/wp-content/uploads/2023/07/ea-sh-mo-snapshot.png alt classwp-image-147 srcsethttp://easuperheat.com/wp-content/uploads/2023/07/ea-sh-mo-snapshot.png 191w, http://easuperheat.com/wp-content/uploads/2023/07/ea-sh-mo-snapshot-150x150.png 150w sizes(max-width: 191px) 100vw, 191px>/figure>/div>hr classwp-block-separator has-alpha-channel-opacity>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>GET IN TOUCH/a>/div>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-2ab16979 classwp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-63c804b4 classwp-block-themeisle-blocks-advanced-column has-light-bg>h2 classwp-block-heading>Path Forward/h2>p>The lowest risk course of action is to deploy a system similar to one which has already undergone substantial field demonstration. This configuration utilizes compressed air as the oxidizer with saturated steam vapor delivered from a conventional boiler/separator. /p>p>In order to design system to appropriate operating parameters, a target field will need to be identified and lease secured. Needed services will including power, water delivery, water treatment (simple softening if boiler with steam separator is used), gas and air compression, and production infrastructure developed. /p>p>In order to protect casing from elevated superheat temperatures, an affordable insulation system will be installed in the injection wells. /p>p>The project will be expanded as milestones are met. For oxygen oxidizer, an agreement with an air separation partner should be negotiated. Then an appropriate design direct contact superheater can be based on the proven air oxidizer design. /p>p>This approach will entail collaboration with oxygen safe handling technicians as a required component of the effort./p>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttp://easuperheat.com/contact/ stylebackground-color:#fcaf3b>NEXT STEP/a>/div>/div>div idwp-block-themeisle-blocks-advanced-column-e5a15d4e classwp-block-themeisle-blocks-advanced-column>figure classwp-block-image size-full is-style-default>img loadinglazy decodingasync width877 height696 srchttp://easuperheat.com/wp-content/uploads/2023/07/istock-14234903-steam.png alt classwp-image-143 srcsethttp://easuperheat.com/wp-content/uploads/2023/07/istock-14234903-steam.png 877w, http://easuperheat.com/wp-content/uploads/2023/07/istock-14234903-steam-300x238.png 300w, http://easuperheat.com/wp-content/uploads/2023/07/istock-14234903-steam-768x609.png 768w sizesauto, (max-width: 877px) 100vw, 877px>/figure>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-b055f56f classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-bec27eb8 classwp-block-themeisle-blocks-advanced-column>div classwp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex>div classwp-block-column is-layout-flow wp-block-column-is-layout-flow>h2 classwp-block-heading>Featured Work/h2>/div>div classwp-block-column is-layout-flow wp-block-column-is-layout-flow>/div>/div>/div>/div>/div>div classwp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex>div classwp-block-column is-layout-flow wp-block-column-is-layout-flow styleflex-basis:100%>div idwp-block-themeisle-blocks-advanced-columns-4b3e6edc classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-oneTwo-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center has-light-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-d6d949a6 classwp-block-themeisle-blocks-advanced-column ticss-44eccd86>h5 classwp-block-heading>Journal Article/h5>h2 classwp-block-heading>strong>Crude Oil Pyrolysis Studies: Application to In Situ Superheat Steam Enhanced Oil Recovery/strong>/h2>figure classwp-block-image size-large>img loadinglazy decodingasync width1024 height682 srchttp://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram-1024x682.png alt classwp-image-146 srcsethttp://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram-1024x682.png 1024w, http://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram-300x200.png 300w, http://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram-768x511.png 768w, http://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram-930x620.png 930w, http://easuperheat.com/wp-content/uploads/2023/07/EA-simplified-sh-eor-diagram.png 1074w sizesauto, (max-width: 1024px) 100vw, 1024px>/figure>p>Abstract: This work focuses on the occurrence and composition of flammable pyrolysis gases which can be expected from stimulation of heavy oil with superheat steam. These gases can have commodity value or be used to fire a conventional boiler to generate steam vapor for superheater feed. Seven oil samples taken from different US locations were tested via thermogravimetric analysis (TGA) with off-gas analysis of light hydrocarbons via mass spectrometry (MS). The samples were heated up to 500sup>O/sup>C at 5sup>O/sup>C/min in a gas flow of moist carbon dioxide and held at 500sup>O/sup>C until no further mass loss was noted. Then, carbonaceous residue was exposed to air at 500sup>O/sup>C to determine enthalpy of combustion by differential scanning calorimetry (DSC). To demonstrate that pyrolysis was indeed occurring and not simple de-volatilization, a high-molecular-weight reagent-grade organic molecule, lactose, was first demonstrated to produce components of interest. After treatment under moist COsub>2/sub> at 500sup>O/sup>C, all samples were found to lose around 90% of mass, and the follow-up combustion process with air further reduced the residual mass to between 2% and 12%, which is presumed to be mineral matter and char. The light hydrocarbons methane, ethane, and propane, as well as hydrogen, were detected through MS during pyrolysis of each oil sample. Heavier hydrocarbons were not monitored but are assumed to have evolved, especially during periods where additional mass loss was occurring in the isothermal process, with minimal light hydrocarbon evolution. These results correspond to a possible concept of subsequent in situ combustion drive with or without heat scavenging following high-temperature pyrolysis from in situ superheat steam injection. /p>p>Keywords: superheat enhanced oil recovery; thermal heavy oil stimulation; in situ heavy oil upgrade; mass reduction; thermogravimetric analysis (TGA); differential scanning calorimetry (DSC)/p>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttps://doi.org/10.3390/en16031544 stylebackground-color:#fcaf3b>READ JOURNAL ARTICLE/a>/div>/div>/div>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-2c154cd5 classwp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-center>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-0dd07635 classwp-block-themeisle-blocks-advanced-column has-light-bg>h5 classwp-block-heading>Journal Article/h5>h2 classwp-block-heading>strong>Pyrolysis of Oils from Unconventional Resources/strong>/h2>p>Abstract: In this study, oils from various sources were subjected to pyrolysis conditions; that is, without oxidizer, as the samples were heated to 500sup>O/sup>C, and held at that temperature. The oils studied included: (1) heavy oil from Grassy Creek, Missouri; (2) oil from tar sands of Asphalt Ridge in Utah; (3) mid-continent oil shales of three formations (two of Chattanooga formation, Pennsylvanian (age) formation, and Woodford formation); and (4) a Colorado Piceance Basin shale. Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) with either gas chromatography (GC) or mass spectrometry (MS) were used to quantify the produced gases evolved in the tests. Purge gases of helium, argon, and humid carbon dioxide were utilized. Larger scale pyrolysis tests were conducted in a tube furnace coupled to a MS and a GC. The results consistently showed that pyrolysis occurred between 300sup>O/sup>C and 500sup>O/sup>C, with the majority of gases being mainly hydrogen and light alkanes. This behavior was essentially consistent, regardless of the oil source./p>p>Keywords: enhanced oil recovery; pyrolysis; unconventional oil resource; oil shale; tar sands; superheat steam/p>div classwp-block-button is-style-fill is-style-primary>a classwp-block-button__link has-black-color has-text-color has-background wp-element-button hrefhttps://doi.org/10.3390/en16083455 stylebackground-color:#fcaf3b>READ JOURNAL ARTICLE/a>/div>/div>div idwp-block-themeisle-blocks-advanced-column-f7c3a94d classwp-block-themeisle-blocks-advanced-column>/div>/div>/div>div idwp-block-themeisle-blocks-advanced-columns-b3525c80 classwp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-center has-dark-bg>div classwp-block-themeisle-blocks-advanced-columns-overlay>/div>div classinnerblocks-wrap>div idwp-block-themeisle-blocks-advanced-column-9d431006 classwp-block-themeisle-blocks-advanced-column>h2 classwp-block-heading has-text-align-center has-white-color has-text-color>Let’s work together /h2>p classhas-text-align-center has-white-color has-text-color has-medium-font-size>Get in touch and we can talk about your project!/p>div idwp-block-themeisle-blocks-button-group-f4cfaa7f classwp-block-themeisle-blocks-button-group collapse-mobile wp-block-buttons align-center>div idwp-block-themeisle-blocks-button-2f93f5ec classwp-block-themeisle-blocks-button wp-block-button>a hrefhttp://easuperheat.com/contact/ target_self relnoopener noreferrer classwp-block-button__link>span>Next STEP/span>/a>/div>/div>/div>/div>/div>h6 classwp-block-heading has-nv-light-bg-color has-nv-dark-bg-background-color has-text-color has-background>© 2025 Energy Analyst LLC | All rights reserved | Intellectual property covered by US Patent # 10,641,481 B2/h6>p>/p>/main>!--/.neve-main-->footer classsite-footer idsite-footer> div classhfg_footer> div classfooter--row footer-bottom hide-on-mobile hide-on-tablet layout-full-contained idcb-row--footer-desktop-bottom data-row-idbottom data-show-ondesktop> div classfooter--row-inner footer-bottom-inner footer-content-wrap> div classcontainer> div classhfg-grid nv-footer-content hfg-grid-bottom row--wrapper row data-sectionhfg_footer_layout_bottom> div classhfg-slot left>div classbuilder-item>div classitem--inner>div classcomponent-wrap>div>p>a hrefhttps://themeisle.com/themes/neve/ relnofollow>Neve/a> | Powered by a hrefhttps://wordpress.org/ relnofollow>WordPress/a>/p>/div>/div>/div>/div>/div>div classhfg-slot c-left>/div>div classhfg-slot center>/div> /div> /div> /div>/div>div classfooter--row footer-bottom hide-on-desktop layout-full-contained idcb-row--footer-mobile-bottom data-row-idbottom data-show-onmobile> div classfooter--row-inner footer-bottom-inner footer-content-wrap> div classcontainer> div classhfg-grid nv-footer-content hfg-grid-bottom row--wrapper row data-sectionhfg_footer_layout_bottom> div classhfg-slot left>div classbuilder-item>div classitem--inner>div classcomponent-wrap>div>p>a hrefhttps://themeisle.com/themes/neve/ relnofollow>Neve/a> | Powered by a hrefhttps://wordpress.org/ relnofollow>WordPress/a>/p>/div>/div>/div>/div>/div>div classhfg-slot c-left>/div>div classhfg-slot center>/div> /div> /div> /div>/div> /div>/footer>/div>!--/.wrapper-->script typespeculationrules>{prefetch:{source:document,where:{and:{href_matches:\/*},{not:{href_matches:\/wp-*.php,\/wp-admin\/*,\/wp-content\/uploads\/*,\/wp-content\/*,\/wp-content\/plugins\/*,\/wp-content\/themes\/neve\/*,\/*\\?(.+)}},{not:{selector_matches:arel~\nofollow\}},{not:{selector_matches:.no-prefetch, .no-prefetch a}}},eagerness:conservative}}/script>style idcore-block-supports-inline-css>.wp-container-core-columns-is-layout-9d6595d7{flex-wrap:nowrap;}/style>link relstylesheet idotter-post-v2-5-1755921528.css-css hrefhttp://easuperheat.com/wp-content/uploads/themeisle-gutenberg/post-v2-5-1755921528.css?ver3.1.1 mediaall>link relstylesheet idfont-awesome-5-css hrefhttp://easuperheat.com/wp-content/plugins/otter-blocks/assets/fontawesome/css/all.min.css?ver1f3cd78557ad425c7930 mediaall>link relstylesheet idfont-awesome-4-shims-css hrefhttp://easuperheat.com/wp-content/plugins/otter-blocks/assets/fontawesome/css/v4-shims.min.css?ver1f3cd78557ad425c7930 mediaall>script idneve-script-js-extra>var NeveProperties {ajaxurl:http:\/\/easuperheat.com\/wp-admin\/admin-ajax.php,nonce:3452ada3cb,isRTL:,isCustomize:};/script>script srchttp://easuperheat.com/wp-content/themes/neve/assets/js/build/modern/frontend.js?ver4.0.1 idneve-script-js async>/script>script idneve-script-js-after> var html document.documentElement; 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