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Changzhou Oilfield Petroleum Equipment Co., Ltd.
Changzhou Oilfield Petroleum Equipment Co., Ltd.
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OCTG-casing J55 K55 N80 L80 P110 Q125

Changzhou Oilfield Petroleum Equipment Co., Ltd.
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OCTG-casing J55 K55 N80 L80 P110 Q125

OCTG-casing J55 K55 N80 L80 P110 Q125

The casing string in the hole drilling, used to prevent the formation of formation fluid flow and collapse. The tubing string into the production casing, components of underground reservoir and the ...

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