shanghai electrical equipment import&export co.,ltd.

petroleum(1)
petroleum equipemnt(2)

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drilling collar
Specification: API SPEC 7
Detail: Material Selected The collars are made of AISI 4145H forging or finish rolling alloy structural steel. Processing and thermal treatment of the pipe hole The drill collar are trepanned and drifted to API Spec 7. Grinding c...

blowout prevent(bop)
Specification: API16A
Detail: Annular Blowout Preventers API Spec 16A Our 'B' &' W' Annular BOPs are co***ct, strong and simple construction with reliably seal which provide positive pressure control for stripping drill into and out of hole. 'W' ...

drilling pipe
Specification: API5D
Detail: Integral heavy weight drill pipe is manufactured from AISI 4142H-4145H modified drill collar material according to SY/T 5146-1997, thick-walled pipe called integral heavy weight drill pipe was developed to provided a gradual t...


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