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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
JF type arrow check valve
It's directly connected to drill stem, and can prevent high-pressure oil stream from blowing out from drilling tool.
Category：
Detailed introduction
Model “JF” Arrow Back-Pressure Valve is a sort of pipe inside blowout preventer. It adopts arrow valve structure. It's directly connected to drill stem, and can prevent high-pressure oil stream from blowing out from drilling tool.
Specifications
Model | O.D. mm (in.) | I.D. mm (in.) | Length mm (in) | Connection API |
JF86 | 86 (3 3/8) | 34 (1 5/16) | 400 (15.75) | NC26 |
JF105 | 105 (4 1/8) | 45 (1 3/4) | 400 (15.75) | NC31 |
JF121 | 121 (4 3/4) | 57 (2 1/4) | 500 (19.69) | NC38 |
JF152 | 152 (6) | 74 (2 15/16) | 500 (19.69) | NC46 |
JF162 | 162 (6 3/8) | 83 (3 1/4) | 550 (21.65) | NC50 |
JF165 | 165(6 1/2) | 71(2.8) | 914(36) | NC50 |
JF184 | 184 (7 1/4) | 83 (3 1/4) | 550 (21.65) | 5 1/2FH |
Key words:
Gaofeng petroleum machinery and equipment, oil and gas drilling and production downhole tools
Contact Us
Add:No.2, Changling South Road, Guanshanhu Distict, Guiyang City, Guizhou Province
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