Intellectual Property


A Reversed-cycle, Single-flow Valve with Controlled Switching

A Reversed-cycle, Single-flow Valve with Controlled Switching

A Kind of One-time Multi-layer Gravel Filling and Sand Control Process and Sand Filling and Control Tool Pillar

A Kind of One-time Multi-layer Gravel Filling and Sand Control Process and Sand Filling and Control Tool Pillar

A Cementing and Fracturing Process and A Cementing and Fracturing Workover Tubing Column

A Cementing and Fracturing Process and A Cementing and Fracturing Workover Tubing Column

A Large Diameter Hydraulically Removable Packer

A Large Diameter Hydraulically Removable Packer

A Hydraulically and Mechanically Releasable Seating Tool

A Hydraulically and Mechanically Releasable Seating Tool

A Mechanically Controlled Reverse Cycle Single Flow Valve

A Mechanically Controlled Reverse Cycle Single Flow Valve

A Separator Valve that Can be Opened and Closed Repeatedly

A Separator Valve that Can be Opened and Closed Repeatedly

A Kind of Packer Performance Test Pilot Device

A Kind of Packer Performance Test Pilot Device

A Filling Tool with Reverse Circulation Function

A Filling Tool with Reverse Circulation Function

An Oil Well Injection Method Based on An Isolation Device for Water Injection

An Oil Well Injection Method Based on An Isolation Device for Water Injection

Wellhead Protector Automatic Control Programme V1.0

Wellhead Protector Automatic Control Programme V1.0

Production Plan Review Software V1.0

Production Plan Review Software V1.0

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