Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2006-06-27
2006-06-27
Gay, Jennifer H. (Department: 3672)
Wells
Processes
Placing fluid into the formation
C166S250100, C073S152380, C073S152390, C073S152510
Reexamination Certificate
active
07066266
ABSTRACT:
A method of stimulating an entire target formation of an oil or gas well during fluid treatment is obtained by dividing the target formation into intermediate zones and initiating stimulation in each intermediate zone. Once stimulation is initiated in each intermediate zone, ball sealers are used to block the casing perforations at the intermediate zone and divert fluids to another intermediate zone. After stimulation has been initiated in all intermediate zones, the ball sealers are removed from the perforations and treatment of the entire target formation is conducted.
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Gay Jennifer H.
Key Energy Services
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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