Manually operated blowout preventer and hydraulic operator...

Details Manually operated blowout preventer and hydraulic operator... Manually operated blowout preventer and hydraulic operator...

E - Fixed Constructions

21

B

166/50

E21B 43/263 (2006.01) E21B 33/06 (2006.01)

Patent

CA 1130723

MANUALLY OPERATED BLOWOUT PREVENTER AND HYDRAULIC OPERATOR THEREFOR Abstract of the Disclosure A blowout preventer having a body with a bore and oppos- ing guideways intersecting the bore, a ram in each of the guideways, a cap closing the outer end of each of the guide- ways, an operating stem connecting to each of said rams, extending through its cap in threaded engagement and having means for engagement by a handle, such as flats on its outer end, a pair of hydraulic motors each having a housing and a rotating shaft, means for securing said motor housings to the body surrounding said guideways, means for connecting said drive shafts with the operating stems to rotate said stems, and means supplying hydraulic fluid to said motors for selec- tive rotation of said shafts and said stems in preselected directions.

339193

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