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    HYDRAULIC CASING RUNNING TOOL (EXTERNAL GRIP)

           The external hydraulic casing running tool is used for casing running operation with the top drive drilling system. It is connected with the top drive main mandrel or the compensator, and exactly controls the makeup torque of the casing by top drive transmission. The hydraulic structure drive slip restoration or expansion to release or clamp the casing to deliver rotating and lifting load and finish makeup and lift casing and rotate running in casing. The device uses a self-sealing cup to seal casing, and it can be filled with mud when running in the casing, it can also circulate the mud in time when the casing is blocked, to reduce or avoid in complex accident occur, meanwhile it can test pressure for casing.

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    HYDRAULIC CASING RUNNING TOOL (INTERNAL GRIP)

           Casing running tool is a new technology for running in casing. We developed the more safe and efficient internal grip casing running tool to break the limitation of normal running casing operation. This technology can takefull advantages of top drive drilling, make the casing string rotating, lift and circulating mud at the same time when running in casing, it maximum insure the casing could be running to the well bottom normally, improve the success rate, safety and efficiency of casing running observably.

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    MECHANICAL CASING RUNNING TOOL (EXTERNAL GRIP)

         Casing running system is a new technology of running in casing, in casing operations, the most important thing is to run the casing into the bottom of the well safely. Our company's EMCRT external grip mechanical casing running tool can complete the work of makeup, lift and lower, rotation, circulation, etc.  it maximum ensures that the casing can be run into the bottom of the well, which greatly improves the success rate, safety and efficiency of running in casing operation.

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    TOP DRIVE FLOATING CUSHION SUB

    Top drive floating cushion sub is an important tool in drilling operation. It is suit to the drilling process in oil, gas and geological exploration. Mainly used in inclined and vertical drilling operation and drilling rig vertical drilling operation. It can increase the service life of bearing and gear in top drive rotary box.

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    IBOP FOR TOP DRIVE

           IBOP for top drive can be divided into Upper IBOP and Lower IBOP; they are control valves which are used with the top drive system. Usually the two valves connected to the top drive drilling device. The IBOP adopts high reliable metal seal. Soit can bear high pressure upward and downward. The working pressure can be achieved 10000 psi or 15000 psi. When well kick occurring, the upper IBOP can be closed by remote controlled, but the lower IBOP will be closed manually. Actuator for top drive is a subsidiary body which controls open and close of Upper IBOP. It works with other accessories of the rig, so as to control openning and closing of Upper IBOP on any height of derrick driller console. Both the valve body cavity and accessories have special anticorrosive processing, so that prolong the service life.

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