Non Magnetic Slick Drill Collars
...Drill Collars ROSCHEN Supply Group offers new drill collars. Drill collars comprise about one-third of all product sales for ROSCHEN Supply Group. The new drill collars we provide come from only reputable steel manufacturers and are made to outperform all industry requirements. In their initial phase of manufacturing, drill collars......
ROSCHEN GROUP
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Non Magnetic Auger Oilfield Drilling Collar 9150 MM Length
... collars and drill collars with slip grooves. Product Specifications Ф79 drill collar, Ф89 drill collar, Ф105 drill collar, Ф121 drill collar, Ф146 drill collar, Ф159 drill collar, Ф165 drill collar, Ф178 drill collar, Ф203 drill collar, Ф229 drill collar....
Shaanxi FORUS Petroleum Machinery Equipment Co., Ltd
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REG Thread AISI 4145H Non Magnetic Slick Drill Collars
.../8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers' request. Trepanning and Heat Treatment: Drill collars are trepanned and drifted to API Spec 7-1. Full-length heat-treatment processes ensure that...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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P550 Downhole Drilling Tools Spiral Non Magnetic Drill Collar NMDC
... steel with rather low magnetic permeabiilidity and the cross section of the inside and outside pipe are both round. it is an importand part of drill string, drill collar can supply the drill bit and increase the rigidity of drill string. Trepanning and...
Topland Oilfield Supplies Ltd
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NMDC Non Magnetic Drill Collar NC23 NC26 NC31 Thread SY5411 standard
...Drill Collar And NMDC Non Magnetic Drill Collar Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the drill bit to break rock efficiently while drilling. They are made of AISI 4145H or 4145H modified steel and are connected between drill pipes and drill bits. Our drill collar......
Dongying Oilman Machinery Equipment Co.,Ltd.
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Lightweight Drill Collar Slip Carbon Steel Material For Energy / Mining
Drill Collar Slip Introduction: Type DCS Drill Collar Slip The Type DCS drill collar slips are designed and manufactured in API Spec 7K and SY5049-91.It is manufactured in a structure of multi-segment pieces with firm structure, light weight, and large holding range, which is easy to fit the changing of the external diameter of the drill collar......
XIAN ATO INTERNATIONAL CO.,LTD
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Deep Hole Water Well Drilling Tools Spiral Drill Collars 800kgs Heavy Weight
... to drill pipe and centralize the drill bit. According to API Spec7-1 specifications, the material quality is 4145H that’s after heat treatment, thread hardening treatment and phosphate to better ......
Beijing Jincheng Mining Technology Co., Ltd.
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High Performance Trenchless Drilling Equipment Drill Collar Providing Weight
High Performance Trenchless Drilling Equipment Drill Collar Providing Weight Description Drill collar is a component of a drill string that provides weight on bit for drilling. This kind of trenchless tool is a thick-walled tubular piece that is machined......
Jiangsu Sinocoredrill Exploration Equipment Co., Ltd
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22mm HDD Drill Parts Sub Saver Puller Start Rod Shackle Drill Collar For Drilling
... a replaceable sub-saver to bear the brunt of the wear so your drill rod threads don’t have to. Changing out worn sub-savers and drive chucks is an inexpensive and easy way to get the maximum life out of your drill rod. If they are allowed to wear too...
CGE Group Wuxi Drilling Tools Co., Ltd.
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Oil & Well drilling API spec standard drill collar/ Slick drill collar, Spiral drill colla
The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly, equal pressure, with less differential ......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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