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

• The compensation device is desinged with drift diameters matched with tubes.
• The distance ranges of compensation is from 10ft to 20 ft.
• Sealing packings’ materials use HNBR, PTFE or Viton.
• Compensation Device is expected to be used in drill stem test operation and production wells
• Materials of comensation device main body include AISI 4140 or 4340
• Working pressure of compensation device is 5000-10000psi

Specification of Compensation Device

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!

ZZ Top Oil Tools Co.,Ltd as head office registered in Xi’an City in 2010, and in 2016, ZZ TOP OIL TOOLS enlarged the downhole oil tools factory under the Brand - TECHCORE in Baoji, which engages in designing and manufacturing the downhole oil tools including DST tools, Coiled tubing tools etc.

As one group, ZZ TOP provides the clients highly efficient & expertise service as well as more comprehensive products to meet the customers' requirements during the work, and insists on "Traceability, Serialization" for each tools and related parts

Equipments List

Techcore specialized in design, manufacture and sales of the oil well downhole tools as below:

* Drill stem testing tools for cased hole,  open hole and slim hole:

Retrievable packer, circulating valve,safety joint, downhole tester valve,LPR- N Valve, multi-cycle circulating valve, hydraulic jar, shock absorber, RD safety circulating valve,CHAMP packer, IPO valve, tubing string test valve, drain valve,RD sampler, super safety valve etc.

* 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.

* Perforating tools: Various perforator & perforating gun system, Shaped Charge Body

 *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. 

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