Treatment for reducing water coning in an oil reservoir

Details Treatment for reducing water coning in an oil reservoir Treatment for reducing water coning in an oil reservoir

E - Fixed Constructions

21

B

31/14

E21B 43/22 (2006.01) E21B 43/16 (2006.01) E21B 43/25 (2006.01) E21B 43/32 (2006.01)

Patent

CA 2018952

The invention has application only to a first oil well producing oil having a high water cut, said oil well being completed in a reservoir having an increased gas saturation, in the vicinity of the first oil well, arising from injection of gas through an adjacent injection well. The first oil well is treated by injecting through it into the reservoir a slug of non- condensible gas in an amount between about 40,000 m3 and 200,000 m3. The first well is then placed back on production and its water cut is significantly reduced.

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