drill collar, High Quality China drill collar Suppliers and Manufacturers

drill collar

Supplier Info

Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd.

[China Supplier]

Contact Person : Ms. bai Sophia

Tel : 0086-0453-6558966

Fax : 0086-0453-5979992

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Product Detail

MS brand drill collar are manufactured strictly from API Spec.7 and SY5144 standard. The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. MS brand drill collar are manufactured strictly from API Spec.7 and SY5144 standard.

drill collar