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Reserves definitions: Difference between revisions
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:In gas production operations involving multiple working interest owners, an imbalance in gas deliveries can occur. These imbalances must be monitored over time and eventually balanced in accordance with accepted accounting procedures [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | :In gas production operations involving multiple working interest owners, an imbalance in gas deliveries can occur. These imbalances must be monitored over time and eventually balanced in accordance with accepted accounting procedures [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | ||
;'''Gas Balance''' | |||
In gas production operations involving multiple working interest owners, maintaining a statement of volumes attributed to each, depending on each owner’s portion received. Imbalances may occur that must be monitored over time and eventually balanced in accordance with accepted accounting procedures. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)] | |||
;'''Gas cap gas''' | ;'''Gas cap gas''' | ||
:Gas-Cap Gas is a free natural gas which overlies and is in contact with crude oil in the reservoir. It is a subset of Associated Gas [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | :Gas-Cap Gas is a free natural gas which overlies and is in contact with crude oil in the reservoir. It is a subset of Associated Gas [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | ||
;'''Gas Cap Gas''' | |||
Free natural gas that overlies and is in contact with crude oil in the reservoir. It is a subset of associated gas. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)] | |||
;'''Gas Hydrates''' | |||
Naturally occurring crystalline substances composed of water and gas, in which a solid water lattice accommodates gas molecules in a cage-like structure or clathrate. At conditions of standard temperature and pressure, one volume of saturated methane hydrate will contain as much as 164 volumes of methane gas. Gas hydrates are included in unconventional resources, but the technology to support commercial maturity has yet to be developed. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)] | |||
;'''Gas plant products''' | ;'''Gas plant products''' | ||
:Gas Plant Products are natural gas liquids recovered from natural gas in gas processing plants and, in some situations, from field facilities. Gas Plant Products include ethane, propane, butanes, butanes-propane mixtures, natural gasoline and plant condensates, sulphur, carbon dioxide, nitrogen and helium [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | :Gas Plant Products are natural gas liquids recovered from natural gas in gas processing plants and, in some situations, from field facilities. Gas Plant Products include ethane, propane, butanes, butanes-propane mixtures, natural gasoline and plant condensates, sulphur, carbon dioxide, nitrogen and helium [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | ||
;'''Gas-Oil Ratio''' | |||
Ratio that is calculated using measured natural gas and crude oil volumes at stated conditions. The gas/oil ratio may be the solution gas/oil ratio, Rs; produced gas/oil ratio, Rp; or another suitably defined ratio of gas production to oil production. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)] | |||
;'''Geostatistical Methods''' | |||
A variety of mathematical techniques and processes dealing with the collection, methods, analysis, interpretation, and presentation of large quantities of geoscience and engineering data to (mathematically) describe the variability and uncertainties within any reservoir unit or pool, specifically related here to resources estimates. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)] | |||
;'''Geostatistical methods''' | ;'''Geostatistical methods''' | ||
:A variety of mathematical techniques and processes dealing with the collection, analysis, interpretation and presentation of masses of geological, geophysical and engineering data to (mathematically) describe the variability and uncertainties within any reservoir unit or pool; specifically related here to resource and reserve estimates, including the definition of (all) well and reservoir parameters in 1, 2 and 3 dimensions and the resultant modeling and potential prediction of various aspects of performance. Examples of such processes include: Monte Carlo simulation, 2D gridding and modeling of the spatial variability of geological and petrophysical properties, simulated annealing, object-based simulation, multiple-point statistics, the use of (semi) variograms, and 3D stochastic modeling. New applications include fuzzy mathematics, fast flow simulation, well intervention, and lithology and fluid prediction [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | :A variety of mathematical techniques and processes dealing with the collection, analysis, interpretation and presentation of masses of geological, geophysical and engineering data to (mathematically) describe the variability and uncertainties within any reservoir unit or pool; specifically related here to resource and reserve estimates, including the definition of (all) well and reservoir parameters in 1, 2 and 3 dimensions and the resultant modeling and potential prediction of various aspects of performance. Examples of such processes include: Monte Carlo simulation, 2D gridding and modeling of the spatial variability of geological and petrophysical properties, simulated annealing, object-based simulation, multiple-point statistics, the use of (semi) variograms, and 3D stochastic modeling. New applications include fuzzy mathematics, fast flow simulation, well intervention, and lithology and fluid prediction [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]]. | ||