OilField 2 7/8''Reg Borehole Spiral Drill Collars 3.2mpa 108mm Non Magnetic
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..., excellent resistance to intergranular corrosion, crack resistance and wear resistance. Advantages Since all magnetic measuring instruments can sense the geomagnetic field of the borehole when measuring the direction of the...
Langfang Pangolin Drilling Tools Co., Ltd.
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108mm Spiral Non Magnetic Drill Collars For Oilfield Equipment
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..., excellent resistance to intergranular corrosion, crack resistance and wear resistance. Advantages Since all magnetic measuring instruments can sense the geomagnetic field of the borehole when measuring the direction of the...
Langfang pangolin construction machinery co. LTD
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