20 3/4″ 3000psi Single Ram Bop Oil Well Blowout Preventer Single Ram Bop is used to pack off a pumping well. The Single Ram Bop can be permanently ... 자세히보기
Well Drilling Hydril Packing Element 7 1/16"-5000 Psi Hydril Packing Element Characters: The blowout preventers in the structure are separated into ... 자세히보기
Well Drilling Hydril Packing Element 7 1/16"-5000 Psi Hydril Packing Element Characters: The blowout preventers in the structure are separated into ... 자세히보기