Wells – Processes – Distinct – separate injection and producing wells
Patent
1996-01-17
1997-11-25
Schoeppel, Roger J.
Wells
Processes
Distinct, separate injection and producing wells
166279, E21B 4316
Patent
active
056901747
ABSTRACT:
This invention relates to a process for increasing the effectiveness of production chemicals by reducing the number of squeezing and shut-in operations needed to increase the production rate from an oil well. The process includes injecting into an oil-bearing rock formation a water-miscible formulation including as components: (a) a water-miscible surfactant which is an alkyltriglycol ether and (b) at least one water-miscible oil field or gas field production chemical, said components of the formulation being introduced either as a pre-formed single composition, or simultaneously in parallel or sequentially in either order into the rock formation via the production well.
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Chapman Richard George
Collins Ian Ralph
Goodwin Stephen Paul
Lucy Andrew Richard
Stewart Nevin John
BP Chemicals Limited
Schoeppel Roger J.
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