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2011 (Vol. 3, Issue: 05)
Article Information:

Theoretical Analysis of Gravity-controlled Waterfloods

T.N. Ofei and R. Amorin
Corresponding Author:  Richard Amorin 

Key words:  Aquifer, dumpflooding, finite, gas cap, infinite, reservoir,
Vol. 3 , (05): 369-376
Submitted Accepted Published
2010 September, 03 2010 December, 25 2011 May, 25
Abstract:

Gravity waterflooding (also known as “dumpflooding”) is a process in which water flows from a high pressure aquifer zone to a low pressure oil-producing zone using natural gravity. The water flows through a well connecting the two zones, enhancing the oil sweep into a producing well. This process is economically attractive due to the absence of injection surface facilities and injection fluid costs. This research quantifies the rate of fluid transfer from a high pressure aquifer zone to a low pressure oil producing zone. Detailed theoretical equations are derived to evaluate the rate of water injection from an aquifer into an oil reservoir with a gas cap by dumpflooding. Two cases considered are: (1) A finite aquifer injecting into a finite oil reservoir with a gas cap, and (2) An infinite aquifer injecting into a finite oil reservoir with a gas cap. A single-well model has also been built using an Excel spreadsheet to solve the ordinary differential equations using the bisection iterative technique.
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  Cite this Reference:
T.N. Ofei and R. Amorin, 2011. Theoretical Analysis of Gravity-controlled Waterfloods.  Research Journal of Applied Sciences, Engineering and Technology, 3(05): 369-376.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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