API 16A Monogrammed Coating Shaffer Annular Bop 7 1/16" 5000psi
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... pipe, tool joint, drill collar, casing, or wireline. They also provide positive pressure control for stripping drill pipe into and out of the hole. Shaffer Annular Bop are available in bolted cover, wedge cover, and dual wedge cover....
Hebei E-valves Petroleum Equipment Co., Ltd.
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762mm Bop Well Control Equipment , 5000psi A Blowout Preventer
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...: The blowout preventer(BOP) is an essential pressure control device during driling and operations, as it serves to prevent the uncontrolled leakage of oil/gas from the wells. Our company can also produce annular BOP, single ram BOP and double ram BOP. The...
Dongying Oilman Machinery Equipment Co.,Ltd.
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