There are different kinds of drill collars,including round drill collar,spiral drill collar,non-magnetic drill collar,square drill collar and so on.Ordinary drill collar is the circular cross section, the center has a water hole,the wall thickness is larger,the nozzle is ...
Dongying Kangya Petroleum Equipment Co.,Ltd [Manufacturing & Processing Machinery] [Mining Machinery Parts] [2020-03-17 14:08:37 ]
We supply slick drill collars, spiral drill collars and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers\' request. Materials: Drill collars are manufactured from ...
DONGYING LAKE PETROLEUM TECHNOLOGY CO.,LTD. [Manufacturing & Processing Machinery] [Machine Tool Parts] [2019-12-22 23:00:43 ]
We supply slick drill collars, spiral drill collars and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers\' request. Materials: Drill collars are manufactured from ...
Dongying Lake Petroleum Technology Co., Ltd [Manufacturing & Processing Machinery] [-1] [2018-06-08 16:03:39 ]
Drill Collar features: High quality, unique material Special medium frequency heat treatment method Meet the requirements of API SPEC7-1 Advanced super magnetic method and mechanical properties Strict quality management system Slick Drill Collar slick drill collar is made of ...
Dongying Lake Petroleum Technology Co., Ltd. [Minerals & Metallurgy] [Metal & Metallurgy Machinery] [2018-05-25 19:45:59 ]
API 7-1 Spiral non magnetic for well drilling Drill Collar Description: 1. Material: 4145H/4145Hmod or Non-magnetic. 2. Standard: API7-1, NS-1. A. Slick Drill Collar Note: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. ...
Dongying Lake Petroleum Technology Co., Ltd. [Minerals & Metallurgy] [Metal & Metallurgy Machinery] [2018-05-25 19:39:45 ]
Grade:AISI 4145H Welded Line Type:Spiral Place of Origin:Shanxi China (Mainland) Outer Diameter:158.8 Spiral drill collars are one kind of the products of our company. Spiral grooves make mud circulate freely around the drill coll ...
Shanxi Huanjie Petroleum Drilling Tools Manufacturing Co., Ltd. [Minerals & Metallurgy] [Steel]
Grade:AISI 4145H Welded Line Type:Spiral Place of Origin:Shanxi China (Mainland) Outer Diameter:120.7 Spiral drill collars are one kind of the products of our company. Spiral grooves make mud circulate freely around the drill coll ...
Shanxi Huanjie Petroleum Drilling Tools Manufacturing Co., Ltd. [Minerals & Metallurgy] [Steel]
Type:Seamless Usage:oil drilling Outer Diameter:4"--9 7/8" Grade:steel Specification:api Technique:Welded Model Number:Spiral drill Collar Brand Name:Spiral drill Collar Welded:Spiral Welded Line:Spiral Technique:Cold Rolled Surface Treatment:Copper Coated Certification:API ...
Dongying Goldenman Trading Co., Ltd. [Minerals & Metallurgy] [Steel]
Welded Line Type:Spiral Welded Line Type:Spiral Application:Drill Pipe Place of Origin:Henan China (Mainland) Supply perfect quality drill collar with competitive price and excellent service. ...
Henan Zhongyuan Heavy Forging Co., Ltd. [Minerals & Metallurgy] [Steel]
manufacture Technique:Cold Rolled, Cold Rolled Welded Line Type:Spiral Technique:Cold Rolled Alloy Or Not:Is Alloy Place of Origin:China (Mainland) Spiral drill collars are made of 4145H modified chromium molybdenum alloy steel. Standard: API Spec 7 ...
Beijing Kouright Import and Export Co., Ltd. [Minerals & Metallurgy] [Steel]
