3 7/8" 15000 psi Slim Hole DST Round Mandrel Slip Joint
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1
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Pieces
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Origin
China Mainland
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Product Detail
Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level slip joint manufacturers and suppliers, with professional factory, we are able to produce API and oilfield dst slip joint, well testing slip joint, round mandrel slip joint, welcome to contact us.
Briefly Introduce:
The round mandrel slip joint, like other slip joints, accepts the movement associated with ocean heave or temperature change without allowing the movement to disturb the placement of downhole tools.
Characteristics:
• Top of the mandrel slip joint has 4 3/4-in. (120.65-mm) drill collar profile for easy handling with the rig elevators and slips
• Maintains its full tensile rating when collapsed and locked
• Can be locked in the closed position for handling, reducing the risk of damage to the lifting/sealing mandrel
• Internally pressure and volume balanced
• String can be picked up with the slip joint locked; the slip joint can then be unlocked before it is run into the hole
• Provides free travel in the string to reciprocate tools without unseating the packer
Features and Benefits
• Provides a variable-length joint to allow the pipe to expand and contract during testing or stimulation
• Keeps vertical movement of the drilling vessel from disturbing tool placement
• Helps space out the testing string when the subsea tree is landed
• Provides a constant weight on the packer during testing or stimulation
Specification
Size/in | OD/ mm | ID/ mm | Working pressure / Mpa | Service environment | Working temperature | Connection |
3 7/8” | 98.5 | 45 | 70 105 | Mud, Crude Oil, Natural gas with H2S and acid | --29oC ~ +204oC | EUE IF CAS |
5" | 127.5 | 57 |
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