Drill Collars Suppliers in Dongying, China

Drill collars are a component of the drill string that makes up part of the bottom hole assembly (BHA). They are thicker-walled, heavier, and more rigid than drill pipes and are primarily used to weigh down the drill bit while dampening vibration and impact forces. (more)
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East Petroleum Equipment Co., Limited
Address: Room 704, Shengtai Mansion, No. 604, Xisi Rd., Dongying, Shandong 257000 China
Business Type: Distributor

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Goldenman Petroleum Equipment Co., Ltd.
Address: 7 / F, Wanda International Mansion, 67 Fuqian Street, Dongying, Shandong 257091 China
Business Type: Manufacturer

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