Slim Hole Sleeve Type Drain Valve Downhole Drilling Tools 3 7/8" 15000 PSI

Introudction of Slim Hole Drain Valve

The 3 7/8" sleeve type drain valve is used to slim hole drill stem testing operation. Once the well testing is finished, the 3 7/8" valve is to drain the volume fluid and release pressure in the slim hole.The drain valve consists of a ported body, sliding sleeve, and rotating nut. The ports in the sleeve of drain valve will be sealed with two sets of O rings before the drain valve is run in hole, which is to keep the sliding sleeve tighten during downhole operation.

Features of the Slim Hole Drain Valve

* The sleeve type drain valve in 3 7/8" is for slim hole downhole operation

* It is easy to mainten the drain valve.

Technical parameter of DST Slim Hole Drain Valve

Sleeve Type Drain Valve Function Test Chart

The drill stem testing tools are applied in cased hole, open hole and slim hole downhole operation, the DST tools not only used for well testing oepration, but also used for fracturing operation, well completion operation, well flow test operation, and tubing perforating oepraton.

The main DST tool string includes RTTS packer, full bore retrievable circulating valve, full bore retrievable safety joint, select tester valve, downhole tester valve, omni valve / multi-cycle circulating valve, hydraulic jar, radia shock absorber,Vertical shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.

Advantage of Techcore Oil Tools

Techcore Oil Tools expertise in manufacture of the downhole oil tools for more than Ten years, the professional Reserch and Development (R&D) department improves the advanced technology in design of the Drill stem testing tools for well testing service, coiled tubing tools for CT operation.

* Techcore insist on superior quality, strong packing & timely delivery.

* Third party inspection is available from SGS, BV, DNV etc.

* Techcore do the best to supply thoughtful and prompt after-sales service to guarantee for the

customers' benefits

Welcome to contact us for more information!

Cased Hole Drill Stem Test Tools Sleeve Type Drain Valve 3 7/8" - 15000psi

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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