Jars

Jars
Effective tools for relieving stuck drilling operations, to convert the potential energy inside the stretched drilling tools into kinetic energy.
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• Drilling Jars

• Fishing Jars

• Shock Absorbers
• Mechanical Drilling Jar Type JZ

• Full-Hydraulic Drilling Jar Type QYⅢ

• Hydro-Mechanical Drilling Jar Type JYQ

• Mechanical & Hydraulic Drilling Jar Type YJHM

• Full-Hydraulic Drilling Jar Type SS

• Drilling Accelerator Type ZJQ

• Two-action Drill Accelerator Type SZJQ

• Double Acting Full Hydraulic Drilling Jar Lock Type QYS
• Super Fishing Jar Type CS V

• Jar intensifier Type ZJS

• Fishing Bumper Sub Type KXⅡ

• Lubricated Fishing Bumper Sub Type BXJ

• Surface Bumper Jar Type DJ

• Surface Bumper Jar Type DX

• Continuous Bumper Sub Type ZDXJQ

• Cable Jar Type DJQ
• Hydraulic Shock Sub Type YJ

• Two-Way Shock Sub Type SJ

• Mechanical And Hydraulic shock Absorber Type JZ-HYⅡ

• Anti Stick Slip Tool Type HNG

• Heavy Weight Shock Absorber Type JZ-J

• Cam Shock Absorber Type JZ-TS

• Top Drive Shock Absorber Type DQJ

• Drilling Shock Eliminator Type XZQ

• Hydroscillator Type ZDQ

• Hydraulic Thruster Type TLQ

Drilling Tools

Drilling Tools
Drilling tools play a crucial role in the drilling process, with design and use directly affect the efficiency, safety and cost of drilling.
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• Drilling Tools
• Roller Reamer Type HYQ

• Spiral Drilling Stabilizer Type LX

• Hydraulic Adjustable Stabilizer Type YTLX

• Lifting Sub Type TSDJ

• High-efficient Vibration Resistance Reduction Tailpipe Running tool Type ZTX

• Hole Straightener Reamer Type JYXZ

• Cyclone Desander Type XLQS

• Casing Wear Bushing Type FMT

• Borehole Dressing Tool Type JYXZ-M

• Hydraulic Hole Opener type KY

• Drilling Safety Joint Type AJ-SZ

• Reaming Stabilizer Type HYF

• Non-magnetic Drill Collars

Fishing Tools

Fishing Tools
Fishing tools are one of the special tools most widely used, the most frequently used, with the most complete variety and specifications.
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• Fishing Tools
• Safety Joint Type AJ

• Safety Joint Type HAJ&JAJ

• Releasing and Circulating Overshot Type LT-T

• Junk Sub Type LB

• Reverse Circulating Junk Basket Type LL

• Grapple Releasing Spear Type LM

• Fishing Magnet Type CL

• Fishing Multifunction Type DLQ

• Releasable Reversing Spear Type DLM-T

• Taper Tap Type GZ

• Die Collar Type MZ

• Muti-purpose Casing Spear Type AZ-LM

• Mechanical Internal Cutter Type NG

• Hydraulic Internal Cutter Type AND-S

• Mechanical External Cutter Type WD-J

• Hydraulic External Cutter Type WD-S

• Flat Bottom Junk Mill Type MXP

• Tapered Mill Type XZ

• Pilot Junk Mill Type GMX/YMX

Casing Accessories

Casing Accessories
Casing accessories play an important role in oil drilling and cementing engineering. Their main purpose is to ensure smooth construction and improve engineering quality.
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• Casing Accessories
• Casing Scraper Type GGQHⅣ

• High-efficient Casing Scraper Type GGQXⅡ

• Casing Scraper Type GGQZ

• Casing Brush Type GGQM

• Brush Scraper Model GX-M

• High-efficient Fishing Magnet Type GQC

• Fishing Magnet Type QC

• Pressure Testing Packer Type ST

• Double Acting Casing Swage Type SZZ

• Casing Compensator Type TBQ

• Lead Seal Casing Compensator type TBQ-Q

• Lead Seal Casing Compensator Type TBQ-QⅡ

Others

Others
Downhole tools play a vital role in downhole operations. designed and used to solve various technical problems in downhole operations to ensure the normal operation and efficient production of oil and gas Wells.
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• Others
• Float Sub Type FZF

• Throw-Type Back Pressure Valve Type HY

• Arrow Back-Pressure Valve Type JF

• Double Function Arrow-shaped Back Pressure Valve Type SJF

• Kelly Valve Type XS Ⅲ

• Full Open Safety Valve Type QKFⅡ

• IBOP Type NFQ

• Floating valve core

• Continuous Circulating Valve Type LXF

• Arrow Back-Pressure Valve Type FJ

• Simple Assembly Stand Type JZP

• Hydraulic Test Stand Models S120, 1150, and 2200

• Full-hydraulic Mounting Rack Type YZJ200

• Bucking Unit Type YXD20

About Us

About Us
“GAOFENG” has strict systems of scientific research and quality assurance. It has a research & development technology center, a modern product line and maintenance service for oilfield drilling tools, and facilities together with advanced techniques of physical and chemical analysis as well as ultrasonic flaw detection for materials.
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