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Shaanxi Gaoton Petroleum Machinery Co.,Ltd

Tel:0086-29-87872212

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Email:sales@sxgtpm.com

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Junk Sub

Junk Sub

Junk Sub During drilling process, drilling fishing cup is applied mainly for fishing of shivers and fallen objects such as carbide tooth, drill bit and bearing which can not be carried out of hole by conventional fluid circulation, etc. It possesses important functions to keep hole toe...

Detailed description

Junk Sub

During drilling process, drilling fishing cup is applied mainly for fishing of shivers and fallen objects such as carbide tooth, drill bit and bearing which can not be carried out of hole by conventional fluid circulation, etc. It possesses important functions to keep hole toe cleaning, increase bit service life, reduce and prevent drill bit from unexpected damage.

Structure
Due to the fact that the O.D. of external bowl of fishing cup is bigger and a smaller circular space is available between external bowl of fishing cup and well hole, the mandrel diameter at cup mouth is larger so that it has a bigger annular space, therefore, the fluid at the cup mouth form a swirls and suddenly fall down so as to reduce the carrying capacity. By this way, some heavy objects will drop in cup and be fished out so that the purpose of cleaning of hole toe is carried out.


Technical Parameters -- Junk Sub



     Model

 

       Hole Size (mm)

 

         Thread Conn.


      I.D. (mm)

 

 O.D. (mm)

    LB94

        108~117.5

        2 3/8 REG

                19

             94

    LB102

        117.5~124

        2 7/8 REG

                32

            102

    LB114

        130~149

        3 1/2 REG

                38

            114

    LB127

        152.4~162

        3 1/2 REG

                38

            127

    LB140

        165~190.5

        3 1/2 REG

                38

            140

    LB168

        190.5~216

        4 1/2 REG

                57

            168

    LB178

        219~244.5

        4 1/2 REG

                57

            178

    LB190

        229~273

        4 1/2 REG

                57

            190

    LB197

        235~297.5

        4 1/2 IF

                70

            197

    LB219

        244~295

        6 5/8 REG

                76

            219

    LB229

        254~305

        6 5/8 REG

                76

            229

    LB245

        292~330

        6 5/8 REG

                76

            245

    LB280

        330~375

        7 5/8 REG

                76

            280

    LB311

        327~375

        7 5/8 REG

                76

            311

    LB327

        375~444.5

        7 5/8 REG

                76

            327

    LB340

        386~456

        7 5/8 REG

                76

            340

If you have any further requirements, please feel free to contact us by sales@sxgtpm.com

Within those famous China oil and gas junk sub manufacturers, GAOTON is a professional such supplier, producer and provider, welcome to wholesale petroleum and oilfield API junk sub from our factory.

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