Intellectual Property


Recoverable Trip Column Fracturing and Acidising Completion Process and its Tools

Recoverable Trip Column Fracturing and Acidising Completion Process and its Tools

A Kind of Double Rubber Cylinder Bare Eye Sealer

A Kind of Double Rubber Cylinder Bare Eye Sealer

A Tailpipe Hanger and Seating Tool

A Tailpipe Hanger and Seating Tool

A Hydraulically Removable Packer with Slip-on Sleeve

A Hydraulically Removable Packer with Slip-on Sleeve

A Hydraulically Seated Rotary Unsealed Packer

A Hydraulically Seated Rotary Unsealed Packer

A Hydraulically Seated Rotary Unsealer for Kava Packers

A Hydraulically Seated Rotary Unsealer for Kava Packers

A Self-checking Sealing Kava Packer

A Self-checking Sealing Kava Packer

A High-temperature and High-pressure Hydraulic Retrievable Packer

A High-temperature and High-pressure Hydraulic Retrievable Packer

A Suspender Feeding Tool with Linked Hand Drop

A Suspender Feeding Tool with Linked Hand Drop

A Hydraulically Controlled Repeatable Switchable Downhole Single Flow Valve

A Hydraulically Controlled Repeatable Switchable Downhole Single Flow Valve

A Two-way Anchored Mechanical Packer

A Two-way Anchored Mechanical Packer

A Permanent Packer that Can be Lost in the Hand

A Permanent Packer that Can be Lost in the Hand

A Retrievable Hydraulic Packer

A Retrievable Hydraulic Packer

A Stepless Drag Fracturing Process and Fracturing Tool String in Casing

A Stepless Drag Fracturing Process and Fracturing Tool String in Casing

A Kind of Anti-encounter Hydraulic Packer

A Kind of Anti-encounter Hydraulic Packer

A Closable Hydraulic Opening Slide

A Closable Hydraulic Opening Slide

A Permanent Bridge Plug that Can be Unsealed

A Permanent Bridge Plug that Can be Unsealed

A Desirable Suspension Packer with Double Rubber Cartridges

A Desirable Suspension Packer with Double Rubber Cartridges

A Hydraulic Drop Hand Feeding Tool

A Hydraulic Drop Hand Feeding Tool

An Ultra-short Removable Hydraulic Packer

An Ultra-short Removable Hydraulic Packer

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