Slick drill collar is made of 4145H modified Cr Mo alloy steel, which are manufactured according to API
Spec 7 and SY/T 5144 standard.
We can supply all kinds of connections for our drill collar.
All threads are phosphated, cooperised or cold worked.
We can process elevator recess, slip recess and stress relief slot according to customer’s needing.
We provide thread protectors free.
Contact Name: Vivian Zhao
Company Name: Jiyuan Sanhe Zhengyuan Petroleum Machinery Co., Ltd
Street Address: South Sanhe
Villiage, Sili Town, Jiyuan City,
Henan Province, China 454650
Member name: jiyuansanhezhengyuan
Member Since: 24 June 2009
Total Leads: 10 jiyuansanhezhengyuan Import Export Business Leads
Business focus: Drilling Tools, Drill Collar, Integral Heavy Weith Drill Pipe, Stabilizer, Pup Joint, Cross Sub
Verify: Safe Import Export Tips
Product Category: Drill collars