SRD Export Co., Ltd, China,Tianjin

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1. Spiral drill collars

Spiral drill collar is a kind of products of our company. Spiral grooves make mud circulate freely around the drill collar to equalize pressure for sake of drill pipe sticking. It reduces the probability of sticking occurrence due to different ...

2. Integral heavy weight drill pipes

Integral heavy weight drill pipes

3. our patent ARMACOR hardbanding

This product is the patent product in our company. Its useful life is much longer than other same product in this field. The product has always been accepted and appraised by many our clients.

4. drill collar

The collars are made of AISI 4145H forging or finish rolling alloy structural steel.The drill collar are trepanned and drifted to API Spec 7. Grinding crafts adopted finish boring technology eliminates regions of the weld stress concentration, ...

5. drill pipe

The drill pipes are conformed to API 5D,API SPEC 7. The material of drill pipe body is up to the 1&3 group of API 5D.(Group 1---grade E75;Group 3---grade X95,G105,S135 )
The matching tool joints are according to your requirements which are ...