-
Mechanical Drilling Jar Type JZ Full-Hydraulic Drilling Jar Type QYⅢ Hydro-Mechanical Drilling Jar Type JYQ Full-Hydraulic Drilling Jar Type SS Drilling Accelerator Type ZJQ Two-action Drill Accelerator Type SZJQ Double Acting Full Hydraulic Drilling Jar Lock Type QYSSuper 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 DJQHydraulic 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
-
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
-
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 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
-
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
-
JarsEffective tools for relieving stuck drilling operations, to convert the potential energy inside the stretched drilling tools into kinetic energy.
-
Drilling ToolsDrilling tools play a crucial role in the drilling process, with design and use directly affect the efficiency, safety and cost of drilling.
-
Fishing ToolsFishing tools are one of the special tools most widely used, the most frequently used, with the most complete variety and specifications.
-
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.
-
-
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
Releasing and Circulating Overshot Type LT-T
Model “LT-T” Releasing and Circulating Overshot is an external fishing tool used for catch the fish with smooth external surface.
Category：
Detailed introduction
Model “LT-T” Releasing and Circulating Overshot is an external fishing tool used for catch the fish with smooth external surface. Its circulation can be carried out under high pump pressure and the fish can be released on the inside of well. According to different uses, it may be equipped with some accessories, such as extension sub, wall hook, enlarged guide, etc.
Specifications
Model | O.D mm(in) | Max. Catch size of Spiral Grapple mm(in) | Max. Catch size of Basket Grapple mm(in) | Connection API |
LT－T86 | 86(3 3/8) | 61.9(2 7/16) | 50.8(2) | NC26 |
LT－T89 | 89(3 1/2) | 65(2 9/16) | NC26 | |
LT－T92 | 92(3 5/8) | 63.5(2 1/2) | 50.8(2) | NC26 |
LT－T95 | 95(3 3/4) | 73(2 7/8) | 60.3(2 3/8) | NC26 |
LT－T100 | 100(3 15/16) | 77.7(3 1/16) | 64(2 33/64) | NC26 |
LT－T102 | 102(4) | 73(2 7/8) | 64(2 33/64) | NC26 |
LT－T105 | 105(4 1/8) | 82.6(3 1/4) | 72(2 27/32) | NC31 |
LT－T111 | 111(4 3/8) | 85.7(3 3/8) | 66.5(2 5/8) | NC26 |
LT－T117 | 117(4 5/8) | 88.9(3 1/2) | 76.2(3) | NC31 |
LT－T127 | 127(5) | 92.8(3 21/32) | 79.3(3 1/8) | NC38 |
LT－T133 | 133(5 1/4) | 104.8(4 1/8) | 98.4(3 7/8) | NC38 |
LT－T140 | 140(5 1/2) | 117.5(4 5/8) | 104.8(4 1/8) | NC38 |
LT－T143 | 143(5 5/8) | 122(4 13/16) | 108(4 1/4) | NC38 |
LT－T146 | 146(5 3/4) | 123.8(4 7/8) | 108(4 1/4) | NC38 |
LT－T152 | 152(6) | 123(4 27/32) | 107(4 7/32) | NC38 |
LT－T162 | 162(6 3/8) | 127(5) | 114.3(4 1/2) | NC46 |
LT－T168 | 168(6 5/8) | 127(5) | 114.3(4 1/2) | NC46 |
LT－T178 | 178(7) | 125(4 15/16) | 111.1(4 3/8) | NC46 |
LT－T187 | 187(7 3/8) | 146.1(5 3/4) | 127(5) | NC50 |
LT－T194 | 194(7 5/8) | 158.8(6 1/4) | 142(5 19/32) | NC50 |
LT－T197 | 197(7 3/4) | 165.1(6 1/2) | 147.6(5 13/16) | NC50 |
LT－T200 | 200(7 7/8) | 158.8(6 1/4) | 145(5 45/64) | NC50 |
LT－T206 | 206(8 1/8) | 178(7) | 161.9(6 3/8) | NC50 |
LT－T219 | 219(8 5/8) | 178(7) | 159(6 1/4) | NC50 |
LT－T225 | 225(8 7/8) | 197(7 3/4) | 184.2(7 1/4) | NC50 |
LT－T232 | 232(9 1/8) | 203.2(8) | 190(7 31/64) | NC50 |
LT－T245 | 245(9 5/8) | 203.2(8) | 192(7 9/16) | 6 5/8REG |
LT－T254 | 254(10) | 200(7 7/8) | 190.5(7 1/2) | 6 5/8REG |
LT－T256 | 256(1/16) | 210(8 1/4) | 184(7 1/4) | 6 5/8REG |
LT－T257 | 257(10 1/8) | 216(8 1/2) | 196.9(7 3/4) | 6 5/8REG |
LT－T270 | 270(10 5/8) | 228.6(9) | 209.6(8 1/4) | 6 5/8REG |
LT－T273 | 273(10 3/4) | 228.6(9) | 203(8) | 6 5/8REG |
LT－T286 | 286(11 1/4) | 246(9 11/16) | 228.6(9) | 6 5/8REG |
LT－T298 | 298(11 7/8) | 254(10) | 235(9 1/4) | 6 5/8REG |
LT－T324 | 324(12 3/4) | 285.8(11 1/4) | 266.7(10 1/2) | 6 5/8REG |
LT－T340 | 340(13 3/8) | 279.4(11) | 254(10) | 7 5/8REG |
LT－T350 | 350(13 3/4) | 304.5(12) | 285.8(11 1/4) | 6 5/8REG |
LT－T406 | 406(16) | 349.2(13 3/4) | 304.8(12) | 7 5/8REG |
Key words:
Gaofeng petroleum machinery and equipment, oil and gas drilling and production downhole tools
Previous
Previous
Contact Us
Add:No.2, Changling South Road, Guanshanhu Distict, Guiyang City, Guizhou Province
Business Cooperation
WeChat Sweep
Learn more about gaofeng information
Related Products
Fill out the form for more product details!
Started in 1971, oil and gas drilling downhole tools research and development, manufacturing, service!
- All
- Product Management
- News
- Introduction
- Enterprise outlets
- FAQ
- Enterprise Video
- Enterprise Atlas
A key to share:
Address:
No.22, Changling South Road, Guanshanhu Distict, Guiyang City, Guizhou Province
Sweep the attention to us
Copyright © Guizhou Gaofeng Petroleum Machinery Co., Ltd., 2024（gaofengpm.cn）All Rights Reserved. Service Hotline：+86-851-87995502 Website construction：300.cn guiyang
SAF Coolest v1.3.1.2 设置面板 GWOSD-ZHIU-VFAVE-ZXA
无数据提示
Sorry, the current column is being updated, please look forward to it!
You can view other columns or returnHome Page