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ST-2 ON-OFF TOOL

The ST-2 on-off tool is tubing string releasing, retrieving tool which can provides both left-handed rotation releasing and right-handed rotation releasing. Inserted tubing with fluid control equipment dedicated internal locking groove can achieve safety release and retrieve the string without moving the packer. Internal profile can lock various flow control tools, such as plugging device, valves, etc. The on-off tool consists of two parts, upper part is retrieving sleeve assembly that is connected with tubing; lower part is stinger that is connected with packer. Retrieving sleeve assembly can be designed with left or right hand 1/4 turn to release. The bottom of retrieving sleeve has a guide shoe design which can be easily through borehole debris, retrieve operation is safe and reliable.

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Product Details

 

  1. FEATURES:
  1. Left or right hand 1/4 turn to release, automatically retrieving;
  2. Seals can withstand multiple (within 5 times) release or retrieve operations after RIH;
  3. The SX profile is a standard configuration and can provide various profiles;
  4. Allow tubing to be pulled out without using packer;
  5. Pressure can be allowed during operation;
  6. Simple, compact design;
  7. Maximum rating temperature 375;
  8. Elastomeric /non-elastomeric seals are optional.
  9. Specification

    Tubing size

    Stinger min.ID

    Retrieving sleeve max.OD

    Recommended casing size

    in

    in

    in

    Casing sizein)

    Weightlbs/ft

    2 3/8

    1.875”(with Profile

    1.930”without Profile

    3.650

    4-1/2

    9.5-13.5

    5

    11.5-24.1

    5-1/2

    20-23

    3.750

    4.5

    9.5-13.5

    5

    11.5-24.1

    5-1/2

    20-23

    4.500

    5-1/2

    13-23

    6-5/8

    20-32

    7

    23-38

    5.500

    6-5/8

    20-32

    7

    17-38

    7-5/8

    24-47.1

    8-5/8

    24-49

    6.250

    7

    17-20

    7-5/8

    24-45.3

    8-5/8

    24-49

    9-5/8

    32.3-53.5

    8.125

    9-5/8

    32.3-53.5

    2 7/8

    2.313”(without Profile

    2.377”without Profile

    4.500

    5-1/2

    13-23

    5.500

    6-5/8

    20-32

    7

    17-38

    7-5/8

    24-47.1

    8-5/8

    44-49

    6.250

    7

    32.3-53.5

    7-5/8

    32.3-53.5

    8-5/8

    24-49

    9-5/8

    32.3-53.5

    8.125

    9-5/8

    32.3-53.5

    3 1/2

    2.813”(with Profile

    2.377”without Profile

    5.500

    6-5/8

    20-32

    7

    17-38

    7-5/8

    24-47.1

    5.588

    6-5/8

    20

    7

    17-32

    7-5/8

    24-47.1

    8-5/8

    32-49

    7.250

    8-5/8

    24-49

    9-5/8

    32.3-53.5

    8.125

    9-5/8

    32.3-53.5

    4 1/2

    2.813”(with Profile

    2.942”without Profile

    6.250

    7

    17-20

    7-5/8

    17-20

    8-5/8

    24-45.3

    9-5/8

    32.3-53.5

    8.250

    9-5/8

    32.3-53.5