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

Published: 08/14/2014

Concrete blue texture
Hydra-Jar AP
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.
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
Double-acting hydraulic drilling jar

Free stuck drillstem components during drilling or workover operations in vertical or deviated wells.
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