Methane Pressure Cycling Process with Horizontal Wells for Thin Heavy Oil Reservoirs
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Résumé
Methane Pressure Cycling Process with Horizontal Wells for Thin Heavy Oil Reservoirs Mingzhe Dong; Mingzhe Dong PTRC Search for other works by this author on: This Site Google Scholar Sam Huang; Sam Huang SRC Search for other works by this author on: This Site Google Scholar Keith Hutchence Keith Hutchence SRC Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, October 2004. Paper Number: SPE-88500-MS https://doi.org/10.2118/88500-MS Published: October 18 2004 Connected Content Related to: Methane Pressure-Cycling Process for Thin Heavy-Oil Reservoirs Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Dong, Mingzhe, Huang, Sam, and Keith Hutchence. "Methane Pressure Cycling Process with Horizontal Wells for Thin Heavy Oil Reservoirs." Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, October 2004. doi: https://doi.org/10.2118/88500-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Asia Pacific Oil and Gas Conference and Exhibition Search Advanced Search Abstract The methane pressure cycling process is an enhanced oil recovery scheme intended for application in some heavy oil reservoirs either after termination of primary, or waterflood, production. The essence of the process is the restoration of the solution gas drive mechanism. The restoration is accomplished by re-injecting an appropriate amount of solution gas (mainly methane) and then re-pressuring the gas back into solution by injecting water until about original reservoir pressure is reached. This, aside from the replacement of produced oil by water, re-creates the primary production conditions. This novel recovery technique is being developed to target the considerable portion of heavy oil resource located in thin reservoirs. Primary and secondary methods have managed to recover at best 10% of the initial oil-in-place. Heat losses to overburden and underburden or bottomwater zones make thermal methods unsuitable for thin reservoirs.Coreflood tests in 30.5 cm (length) H 5.0 cm (diameter) sandpacks were carried out for oils with a range of dead oil viscosities from 1,700 to 5,400 mPa.s. The results showed that the pressure cycling process could create a favorable condition for recharged gas to contact the remaining oil in reservoirs. This restores the situation whereby substantial amounts of gas are in solution for further "primary" production. The effects on the efficiency of the methane pressure cycling process of cycle termination strategy, oil viscosity, and mobile water saturation were investigated. Simulations were conducted to investigate the methane pressure cycling process in three heavy oil reservoirs in Saskatchewan, Canada. The effects on the process of infill wells, oil viscosity, gas injection rate, and the presence of wormholes in reservoirs were studied. Keywords: cycling test, primary production, enhanced recovery, heavy oil reservoir, pressure cycling process, viscosity, oil viscosity, oil production, saturation, methane pressure cycling process Subjects: Improved and Enhanced Recovery Copyright 2004, Society of Petroleum Engineers You can access this article if you purchase or spend a download.
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|---|---|---|
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| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
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| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
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