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

• Model “ZJQ” Drilling Accelerator

• Two-action Drill Accelerator Type SZJQ

• Double Acting Full Hydraulic Drilling Jar Lock Type QYS
• CS V type super shock absorber

• ZJS hydraulic accelerator

• KX Ⅱ Type Open Type Downloader

• BXJ Type Closed Downloader

• DJ type ground shaker

• DX type ground shaker

• ZDXJQ type vibration hammer

• DJQ type cable shaker
• YJ type hydraulic shock absorber

• SJ type bidirectional shock absorber

• JZ-HY Ⅱ type mechanical hydraulic shock absorber

• HNG type constant torque thruster

• JZ-J heavy-duty shock absorber

• JZ-TS type cam shock absorber

• DQJ type top drive shock absorber

• XZQ type drill string shock absorber

• ZDQ type hydraulic oscillator

• 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
• HYQ type eye scraper

• LX type integral spiral stabilizer

• YTLX hydraulic variable diameter stabilizer

• TSDJ type lifting short section

• ZTX type high-efficiency oscillation drag reduction tailpipe insertion device

• JYXZ type wellbore straightening tool

• XLQS type cyclone sand cleaner

• FMT type casing wear-resistant ring

• 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
• AJ safety connector

• H/J type safety joint

• LT-T type retractable slip fishing drum

• LB type salvage cup

• LL type reverse circulation fishing basket

• LM type retractable slip fishing spear

• CL Strong Magnetic Salvage Device

• DLQ type multifunctional salvager

• DLM-T type retractable inverted fishing spear

• GZ type male cone

• MZ type female cone

• AZ-LM type multi-purpose casing salvage spear

• NG type mechanical internal cutting knife

• Hydraulic Internal Cutter Type AND-S

• WD-J type mechanical external cutting knife

• WD-S hydraulic external cutting knife

• 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
• GGQH IV type casing scraper

• GGQX Ⅱ High Efficiency Scraper

• GGQZ type casing scraper

• GGQM type brush scraper

• GX-M type sleeve brush scraper

• GQC type high-efficiency strong magnetic salvager

• QC Strong Magnetic Salvage Device

• ST type pressure test plug

• SZZ type double acting casing shaper

• Casing Compensator Type TBQ

• Lead Seal Casing Compensator type TBQ-Q

• Lead Seal Casing Compensator Type TBQ-QⅡ

• GGQH IV type casing scraper

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
• FZF type drilling tool float valve

• HY type throwing back pressure valve

• JF type arrow check valve

• SJF type dual function arrow shaped back pressure valve

• XS III type square drill pipe plug

• QKF Ⅱ Type Fully Open Safety Valve

• NFQ type drilling tool internal blowout preventer

• Floating valve core

• LXF type continuous circulation valve

• FJ type arrow check valve

• 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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