Injectrol® NWB Conformance Service

Specific Challenge

Conformance Service for an oil producer in California

REGION - USA / CALIFORNIA

Bakersfield, California

Oil producer under cyclical steam injection (400°F) in Bakersfield, CA
Two upper zones were previously hydraulically fractured and operator wanted to permanently shut them off to improve production from lower intervals

RBP set to protect lower zones
Injectrol® NWB was bullheaded to isolate upper zone
Injectrol® NWB formulation was optimized for leakoff control against proppant pack (an increase of 300 psi was achieved during the treatment squeeze)

300

psi Increase

1st

Attempt Completed Isolation

Injectrol® NWB Conformance Service – Case History