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Latch Seal Assembly

Latch seal assembly use to tie back with the PBR of production packer and the production string. The latch seal assembly have a latch structure what can latch the PBR automatically.

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Floating Seal Assembly

Floating seal assembly use to tie back with the PBR of production packer and the production string.

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On-Off Tool

The On-Off tool is tubing string releasing, retrieving tool which can provides both left-handed rotations 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 locking groove can fix a large range of flow control equipment, such as plugging device, valves, etc.

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Expansion Joint & Travel Joint

The expansion joint is a key accessory to downhole string which is used for compensation mechanism by the length change of string that caused by internal and external pressure or temperature changes mechanism.

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Collet Catch Sub

This type Collet catch sub can be used for classification in a string and opened step by step. After open the ball seat, the bottom hole without falling objects and can ensure the tubing diameter without drilling. It’s used in small setting force packer and operation is difficult in various of deep well, large deviated well, horizontal well.

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Hydraulic Anchor

The hydraulic anchor is mainly used for anchoring downhole string which can prevent string movement caused by the high pressure from bottom of the packer, prevent the packer setting failure. The hydraulic anchor can withstand higher pressure that can be satisfied the deep well operations.

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