Alloy Steel Double Flapper Check Valve For Coiled Tubing 10000psi Working Pressure

Introudction of CT Check Valve

The double flapper check valve is applied the coiled tubing operation in oilfield, the check valves are the standard part of the coiled tubing string, when the coiled tubing string or surface equipment is failed to work or damaged, the double flapper check valve will prevent the down-hole liquid refluxing into the tubing string.

The double flapper check valve featured with dual seal deisgn to improve the reliable of the sealing, the elastomeric seal is mainly for the low pressure sealing and the metal sealing is for the high pressure sealing during the coiled tubing operation.This sort of flapper check valve can be utilized on low or high-pressure applications.

Features of the Double Flapper Check Valve

* The check valve has dual elastomer seal for each group of flapper

* The flapper check valve is designed for working in high & low-pressure wells

* Easy to install onto the coiled tubing bottom hole assembly

* The flapper in the check valve can be removable and easy to maintain

* The flapper check valve with full bore design

Application of the flapper check valve

All standard Coiled Tubing Operations

Milling operations

Fishing operations

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Technical parameter of Double Flapper Check Valve

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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