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 decrease the volume of the contact with the well wall. It leads to the decrease of the sticking and turning of the drill pipe string.
The weight of Spiral drill collar will be reduced approximately 4%-6% by spiral conversion.Please feel free to contact us.
sunshulialiAThotmail.com
pipeATshiruida.cn

Product Origin: china
Model Number:  
Brand Name: pipe
   
   

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Address: Shiruida Machinery Import & Export Co., Ltd
Zip: 300300
Telephone: 86-22-24716013
Fax: 86-22-24716023
E-mail: pipe@shiruida.cn
Website: http://sunshuliali.ietrade.com.cn

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