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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 QYSCS 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 shakerYJ 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
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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
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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
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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
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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
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JarsEffective tools for relieving stuck drilling operations, to convert the potential energy inside the stretched drilling tools into kinetic energy.
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Drilling ToolsDrilling 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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Fishing ToolsFishing 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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Casing AccessoriesCasing 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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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.
“GAOFENG” has strict systems of scientific research and quality assurance
“GAOFENG” has strict systems of scientific research and quality assurance
180℃ extreme verification! Guizhou Gaofeng ultra-high temperature full hydraulic directional drilling impactor passed the expert group's on-site appraisal, performance reached the international leading level
2025-05-27
The "fully hydraulic downhole impactor" successfully completed performance verification in an extreme high-temperature environment of 180℃. After on-site evaluation by a panel of experts, its high-temperature resistance, stability, and operational efficiency have reached internationally leading levels, marking a significant technological breakthrough for China in the field of high-end oil downhole tools.
Guizhou Gaofeng Petroleum May 26, 2025 17:31 Guizhou
180℃ Limit Test! Guizhou Gaofeng's ultra-high temperature, full hydraulic downhole impactor passes expert group on-site appraisal, performance reaches the international leading level
The "full hydraulic downhole impactor" successfully completed performance verification in an extreme high-temperature environment of 180℃. According to the on-site appraisal by the expert group, its high-temperature resistance performance, stability, and operational efficiency have reached the internationally leading level, marking a major technological breakthrough for China in the field of high-end oil well downhole tools.
Traditional mechanical impactors are prone to failure due to material thermal fatigue above 150℃, resulting in a sharp drop in the success rate of unblocking. The company innovatively adopted full hydraulic closed-loop control technology, successfully breaking through the temperature limit of materials and structures. The expert group stated: This tool fully meets or even surpasses some international top products, solving the problem of deep formation drilling tools difficulties.
Currently, global oil and gas exploration is moving towards 10,000-meter deep layers, and high-temperature and high-pressure tools have become a core bottleneck restricting industry development. This technological breakthrough not only fills the technological gap in China for ultra-high temperature downhole tools but also pushes China's independent R&D capabilities of high-end equipment to a new height. At the Xinjiang test site, as the last set of data passed verification, the operation team witnessed with warm applause the new chapter written by Chinese equipment in "deep earth engineering" through independent innovation.
Pictures and text: Zheng Boqiang
Editor: Chang Yi
Reviewer: Chen Lei
Supervisor: Party Committee Work Department
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