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| Bid |
Type |
Language / Subject |
| 0 | Sell | Non-magnetic drill collar
...r request
6) Drill collar, stick drill collar, non-magnetic drill collar, spiral drill collar covering all size. Specification: 1) standard: AISI 4145H a... ...formance. It is mainly used for the inspection in the process of petroleum drilling, and the structure is the same with the ordinary drill collar. Magneti... ... petroleum drilling, and the structure is the same with the ordinary drill collar. Magnetic permeability (MPS=1×105/4∏A/m) 1. Average: Ur<1.010
...
Posted on: 2014-01-06 from China - Shanxi
|  | | 0 | Sell | Integral Heavy Weight drill Pipe
...t is to extend the central
upset of heavy weight drill pipe
and to cut spiral groove on
heavy weight drill pipe. 01 Design & working procedure
Conf... ...he wall thickness of heavy
weight drill pipe is between drill
pipe and drill collar, its structure
is similar with drill pipe. It is
made from prem... ...l thickness of heavy
weight drill pipe is between drill
pipe and drill collar, its structure
is similar with drill pipe. It is
made from premium all...
Posted on: 2013-11-05 from China - Shanxi
| | | 0 | Sell | Spiral Drill Collar
The Spiral Drill Collar of Weigao is made from AISI 4145H modified alloy steel, and c... The Spiral Drill Collar of Weigao is made from AISI 4145H modified alloy steel, and complet... The Spiral Drill Collar of Weigao is made from AISI 4145H modified alloy steel, and completely mee...
Posted on: 2013-11-05 from China - Shanxi
| | |
| | 0 | Sell | Drill collar for oil exploration API standard complied
...tion capacity in Asia, 80, 000 tons Drill Pipe, 8, 000 joints
(slick & spiral) Drill Collars/HWDP, and 120, 000 Tool Joint couples. Moreover, all Ront... Drill collar for oil exploration API
standard complied
Rontech has been end... Drill collar for oil exploration API
standard complied
Rontech has been endorsed w...
Posted on: 2013-04-14 from China - Jiangsu
| | | 0 | Sell | Drill pipe
...nnually output including 80,000 tons drill pipe, and 8,000 joints (slick & spiral) drill collars/HWDP, and 120, 000 tool joint couples with different connec... ...ontech Petroleum is a professional and leading manufacturer of drill pipe, drill collar, tool joint, and other oil/gas related tools. We are regular suppli... ... Petroleum is a professional and leading manufacturer of drill pipe, drill collar, tool joint, and other oil/gas related tools. We are regular supplier of l...
Posted on: 2011-06-25 from China - Jiangsu
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