Method for preventing steam channelling into a non-aquifer bottom water zone
A process for closing pores in a bottom water zone where steam is directed so as to by-pass a zone of the formation containing hydrocarbonaceous fluids. Once a portion of the bottom water zone has reached a temperature in excess of about 300 DEG F., steam entry is ceased. Afterwards, a temperature a...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
13.03.1990
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Subjects | |
Online Access | Get full text |
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Summary: | A process for closing pores in a bottom water zone where steam is directed so as to by-pass a zone of the formation containing hydrocarbonaceous fluids. Once a portion of the bottom water zone has reached a temperature in excess of about 300 DEG F., steam entry is ceased. Afterwards, a temperature activated gellable composition is placed into the bottom water zone. When the composition reaches that portion of the bottom water zone where a temperature in excess of about 300 DEG F. has been reached, the composition activates and forms a rigid gel. Thereafter, a steam flooding method is commenced. Steam is diverted from the bottom water zone and into an upper zone containing hydrocarbonaceous fluids. |
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Bibliography: | Application Number: US19880292129 |