2002
DOI: 10.2118/02-03-03
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Proposed Air Injection Recovery of Cold-Produced Heavy Oil Reservoirs

Abstract: This concept paper explores the potential applications of air injection (in situ combustion) as a follow-up to cold production of heavy oils. Cold-produced fields are ideal potential candidates for air injection due to the significant resource that remains at the economic limit of cold production, and because wormhole- type channels are present in the depleted reservoir. The authors propose steaming the depleted reservoir for a short period of time to collapse the wormholes, thus creating high permeability hea… Show more

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Cited by 21 publications
(5 citation statements)
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“…With the continuous decline of conventional oil resources, more attention has been shifting to the extensive heavy oil and bitumen reserves discovered in Western Canada, though most of which are contained in thin payzones less than 10 m. , It is a great challenge to develop economically and effectively such resources due to the high viscosity . Conventional steam-based techniques have been used for enhancing heavy oil recovery, e.g., steam-assisted gravity drainage (SAGD), steam flooding, and cyclic steam stimulation (CSS).…”
Section: Introductionmentioning
confidence: 99%
“…With the continuous decline of conventional oil resources, more attention has been shifting to the extensive heavy oil and bitumen reserves discovered in Western Canada, though most of which are contained in thin payzones less than 10 m. , It is a great challenge to develop economically and effectively such resources due to the high viscosity . Conventional steam-based techniques have been used for enhancing heavy oil recovery, e.g., steam-assisted gravity drainage (SAGD), steam flooding, and cyclic steam stimulation (CSS).…”
Section: Introductionmentioning
confidence: 99%
“…Cold heavy oil production (CHOP) methods usually leave 80-95% of the original-oil-in-place (OOIP) behind at the economic limit (Miller et al, 2002). Some thermal-based heavy oil and bitumen recovery processes are currently being applied in oil fields to enhance heavy oil and bitumen recovery, such as steamassisted gravity drainage (SAGD), cyclic steam stimulation (CSS), and in-situ combustion (ISC) (Butler et al, 1981;Vittoratos et al, 1990;Moore et al, 1995).…”
Section: Introductionmentioning
confidence: 99%
“…In the recent ten years, with the development of low permeability and unconventional reservoirs, temporary plugging technology has developed rapidly [9][10][11]. At present, the temporary plugging and diverting technology has been applied in major oilfields and has achieved good transformation results [12][13][14][15][16][17][18]. However, the geological conditions of different oilfields are quite different, and the temporary plugging materials and construction schemes are different.…”
Section: Introductionmentioning
confidence: 99%