Techcore Oil Tools Co.,Ltd,
Professional Provider & Manufacture of DST tools, Coiled Tubing Tools & Wireline Tools
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Anti Corrosion Downhole Completion Tools 3 1/2" 5000 PSI Alloy Steel Material
Introudction of Compensation Device
Compensation Device is a string adjusting device used in the well completion, the compensation device is provided with sliding seal by the multiple sealing packings. Additionally, compensation device is equipped with many pins to connect upper and lower connectors assembly and connecting pulling force can be adjusted by the numbers of pins according to site’s requirement. The internal stress of the tubing will be changed due to temperature and pressure changes, then shear pins of central tube are cut and central tube released in order to compensate and adjust tubes string when stress of tubing reaches a certain value.
Features of Compensation Device
Specification of Compensation Device
| Tubing norms | ID (in[mm]) | OD (in[mm]) | |
| 2 7/8 - 4 1/2 | 2 3/8 | 2.44[62] | 4.5[114.3] |
| 3 1/2 - 5 1/2 | 3 1/2 | 2.99[76] | 5.5[139.7] |
| 4 1/2 - 6 1/2 | 4 1/2 | 3.92[99.5] | 6.5[165.1] |
| 5 1/2 - 7 1/2 | 5 1/2 | 4.95[125.7] | 7.5[190.5] |
About Techcore Oil Tools
In order to meet different requirement of downhole operation, in recent years, we joint with other factory who have accumulated abundant experiences in design and development the well completion tools, to manufacture and supply the oil well downhole tools, so that Techcore can offer one-stop purchasing service of downhole operation tools in well testing, well perforation, well completion.
Oil well completion tools include: Subsurface safety valve, wireline retrievable subsurface safety valve, single string production packer, dual strings production packer, ESP packer, mechanical set packer, permanent packer, compensation device, bridge plug, sliding sleeve, nipples etc.
Welcome to contact us for more information!