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API Spec Non magnetic spiral Drill Collar

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API Spec Non magnetic spiral Drill Collar

Place of Origin : China

Brand Name : SHUGUANG

Certification : API 7-1;NS-1

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The surface finish of slick drill collar shall be hot-rolled and mill –finished.

Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly, equal pressure, with less differential pressure sticking.

JSH can provide optional slip and elevator groove to improve operation efficiency and safety. Cold-roll the upper radius to increase product life. Slip and elevator groove can be used together or separately. Unless otherwise specified, slip and elevator groove will be processed according to API RP7G (Latest version).

API Spec Non magnetic spiral Drill Collar


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