Hydra-Jar AP Drilling Minimizes NPT and Avoids Sidetracking, Improving Drilling Efficiency | SLB
Tech Report
Location
Kazakhstan, Asia
Details

Chinarevskya
Kazakhstan

Lithology
Sandstone, shale

Pilot hole size
8 1/2 in
Enlarged hole size
9 1/4 in

Reamed interval
877 m

Drilled interval
261 m

Total circulating time
107.3 h

Flow rate
300-500 galUS/min

Background
An operator planned to drill through the abrasive sandstone and shale lithology of Chinarevskya, Kazakhstan, while maintaining orientation throughout the jarring operation.
Products Used

Hydra-Jar AP Drilling Minimizes NPT and Avoids Sidetracking, Improving Drilling Efficiency

Hydraulic drilling jar fires a total of 2,600 times at varying force to free stuck drillstring components

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The double-acting hydraulic drilling jar enables the driller to jar up or down and vary impact force to free stuck drillstring components, minimizing NPT and avoiding sidetracking.
Products Used

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