NON-MAGNETIC DRILL COLLAR
DeRunnon-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability. API monogram, serial number, OD,ID, type and size of connections are stamped on recessed mill flats.
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COMBINATION OCTANE RATING UNIT | Combination (Research & Motor Method) Octane Rating Unit FTC-M1is a complete system for octane determination, conforming to ASTM D 2699 (ISO 51... |
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ВЕДУЩИЕ БУРИЛЬНЫЕ ТРУБЫ | DeRunprovides square Kelly and hexagonal Kelly which is manufactured strictly according to API Spec7-1 and SY/T6509-2000 standard. Description &... |
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可通过钻井液压马达在一个海洋平台或沙漠平台上进行大位移钻井、丛式井钻井技术 | Sealed driving shaft drilling motors: The ordinary mud lubricated driving shaft is replaced with oil lubricated seal driving shaft, which improves ... |
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FISHING TOOLS | Taper Tap |
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