Hydraulic Drilling Jar Frees Stuck Pipe in 7 Hours, Minimizing NPT and Rig Costs for Apache Canada | SLB
Tech Report
Location
Canada, North America
Details

Alberta, Canada
Keg River Formation

Operator
Apache Canada Ltd.

Lithology
Dolomite and carbonate

Background
While drilling in a dolomite and carbonate formation in the Keg River formation, Apache Canada needed to free a drillstring that was packed off by calcium carbonate buildup in the formation.
Products Used

Hydraulic Drilling Jar Frees Stuck Pipe in 7 Hours, Minimizing NPT and Rig Costs for Apache Canada

Successful jarring avoids fishing operation

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The Hydra-Jar AP double-acting hydraulic drilling jar fired more than 200 times in 7 h with no loss of hitting force, enabling the operator to free the stuck pipe and continue drilling to TD without a fishing operation.
Products Used

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