Selling Leads

Non-magnetic drill collars

Non-magnetic drill collars

  Non-magnetic drill collar adopts a kind of chrome manganese alloy steel as material, low carbon obtained by combining a proprietary chemical analysis and rotary hammer process. The material is resistant to corrosion crack, with low magnetic conductivity, with no tendency to galling and high wearproof performances.  Magnetic permeability (when MPS=1105/4NM) relative...

Spiral drill collars

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 pressure through reduction of touching area. Spiral drill collar is widely used because of its special structure. The special grooves...

casing and tubing

casing and tubing

  N80/P110/J55/K55    for material API 5CT. Please feel free to contact us. sunshulialiAThotmail.com pipeATshiruida.cn

our patent ARMACOR hardbanding

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.Please feel free to contact us. sunshulialiAThotmail.com pipeATshiruida.cn

drill collar

drill collar

The drill collar are trepanned and drifted to API Spec 7. Grinding crafts adopted finish boring technology eliminates regions of the weld stress concentration, making welding appearance more perfect, and increasing their life. The full length thermal treatment ensure the mechanical performance fullfil even exceed API Spec 7 requirements.Please feel free to contact us....

drill pipe

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 up to API standards. Please feel free to contact us. sunshulialiAThotmail.com pipeATshiruida.cn