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    DROP-IN CHECK VALVE

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    • 投入式止回阀(523).jpg
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      • Commodity name: DROP-IN CHECK VALVE
      • Commodity ID: 1457329369175969792

      　　Drop-in check valve is a inside blowout control valve. It can also be used for cutting drill pipe on all kinds of offshore drilling floating equipment. It has a landing sub, which connect the needed position of drill string and put into the well, in order to check valve assembly in place.

      　　Drop-in check valve is a inside blowout control valve. It can also be used for cutting drill pipe on all kinds of offshore drilling floating equipment. It has a landing sub, which connect the needed position of drill string and put into the well, in order to check valve assembly in place.Drop-in check valve is a kind of check valve, and check valve store on the platform, when the blowout signal is found, drop it into drill pipe and pump down in place, When the high pressure flow upwelling, the check valve cuts off the high-pressure flow injected upward in the drill string, thereby achieving the purpose of blowout prevention.

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    INSIDE BOP VALVE

    　　Inside BOP Valve is a kind of check valve with large pressure drop, tapered plug of valve, reduces cutting action of the mud on the seat, to ensure that the correct closed position. Inside BOP Valve connected with drill string can protect swivel, hose and stand pipe. It also can be used before high pressure pump, prevent high pressure blowout. A dedicated release tool keeps the valve normally open and allows reverse flow to pass. This dedicated release tool pre-installed in the valve and the assembly prepared on the drilling platform, for quick installed on the drill stringwhen the first signalappears from the well.

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    FPJ INSIDE BOP VALVE

    　　FPJ inside BOP Valve is a kind of check valve with large pressure drop，Valve seal is arrow type valve seal，the arrow type check valve will shut down rapidly under the action of reverse circulation pressure inside drill tools and spring force, cut off the inner channel of drilling tools, to prevent blowout purpose in the drilling tools. Itcan be placed on the platform for standby, or it can be installed between the drill pipe and drill bit after removing the jacking device to prevent high-pressure oil and gas eject from the drilling tool. A dedicated release tool keeps the valve normally open and allows reverse flow to pass. This dedicated release tool pre-installed in the valve and the assembly prepared on the drilling platform, for quick installed on the drill string when the first signal appears when drill pipe lifts out from the well.

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    FULL OPENING SAFETY VALVE

    　　Full opening safety valve is manual control valve in drill string circulating system，and it is one of the effective tools to prevent blowout。In the drilling operation, in order to avoid malignant accidents，full opening safety valve shall be connected between drill pipes in drilling operation. The special wrench of full opening safety valve rotates 90 ° switch can be achieved on and off. And when need to lift drill pipes or Kelly has not be lifted，as a precaution, it is better to install fully opening safety valve.

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    TUBING VALVE

    　　Tubing valve also named tubing cock, and drilling fluid can flow through the vale without pressure drop. This kind of valve is used as the tubing valves and install above tubing to control blowout or to prevent drilling fluid loss when disassemble the tubing.

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