Method for reduced water coning in a horizontal well during heav

Details Method for reduced water coning in a horizontal well during heav Method for reduced water coning in a horizontal well during heav

1991-09-13

1994-03-29

Britts, Ramon S.

Wells

Processes

Distinct, separate injection and producing wells

166302, 166 50, 166 57, 166 64, E21B 4324

Patent

active

052976270

ABSTRACT:
A method to reduce water coning in viscous oil formations during primary oil production wherein a horizontal wellbore is heated by circulating steam therein thereby heating a radial area near the wellbore. Near wellbore heating alters a pressure profile in the radial area near the wellbore. Reduced inflow pressure gradients near the wellbore flatten out a pressure sink associated with the wellbore. This reduces substantially water coning which allows more oil to be produced before high water production begins.

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