Techcore Oil Tools Co.,Ltd,
Professional Provider & Manufacture of DST tools, Coiled Tubing Tools & Wireline Tools
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Wireline Link Jar Wireline Spang Jar Mechnical Jar Basic Wireline Tools
The link jar is a kind of wireline mechanical jars which is the wireline basic tools used in wireline fishing operations with stems. The weight of stems and jars can be used by operator for jarring by pulling and then releasing wireline. The wireline link jars are available in various sizes and strokes. During the wireline jar down action, speed is limited due to limited travel and gravity. The wireline mechnical jar of action is more effective as speed can be increased by increasing the spooling speed of wireline unit and using long jars.
Specification of Wireline Link Jar
| Tools O.D. | Fishneck O.D. | Stroke
| Connection Type |
| 1.250〞 | 1.187〞 | 20〞 | UN Thread Quick connection |
| 24〞 | |||
| 30〞 | |||
| 1.500〞 | 1.375〞 | 20〞 | |
| 24〞 | |||
| 30〞 | |||
| 1.875〞 | 1.750〞 | 20〞 | |
| 24〞 | |||
| 30〞 | |||
| 2.125〞 | 1.750〞 | 20〞 | |
| 24〞 | |||
| 30〞 | |||
| 2.500〞 | 2.313〞 | 20〞 | |
| 24〞 | |||
| 30〞 |
Type of wireline jar
| 1 | Link Jar | 1.25＂,1.5＂,1.75＂,1.875＂,2.125＂,2.5＂ |
| 2 | Tubular Jar | 1.25＂,1.5＂,1.75＂,1.875＂,2.125＂,2.5＂ |
| 3 | Spring Jar | 1.5＂,1.75＂,1.875＂,2.125＂,2.5＂ |
| 4 | Hydraulic Jar | 1.5＂,1.75＂,1.875＂,2.125＂,2.5＂ |
| 5 | Knuckle Jar | 1.25＂,1.5＂,1.75＂,1.875＂,2.125＂,2.5＂ |
About Techcore oil tools
Techcore Oil Tools established a professional Reserch and Development (R&D) department with skilled engineers whom were committed to the design of downhole tools for more than ten years and Techcore is equiped with advance equipments to manufacture the oil downhole tools and its related parts in high quality.
Techcore oil tools is certified by ISO, all the manufacture is strictly conformed with ISO system including Quality Control Management, Environmental Management and Occupational Health & Safety Management. For each downhole tools and each parts, we make the trace-ability from the raw material till the products. And any TPI inspection are available with us from SGS/BV/ TUV /DNV etc.
Techcore's Dowhole Tools
Downhole oil tools manufactured by Techcore
* Drill stem testing tools for cased hole, open hole and slim hole:
Retrievable packer, circulating valve, safety joint, downhole tester valve, LPR- N Valve, omni valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
*Coiled Tubing Tools: Double slip connector, roll on connector, roll on x thread connector, double flapper check valve, motor head, dual function circulating valve, hydraulic jar, fishing tools etc.
* Wireline Tools : Rope socket, wireline jar, stem, swivel joint, centralizer, knuckle joint, wireline crossover etc.
Welcome to contact us for information about the downhole tools