Oilfield Downhole Mechanical Tester Valve / NACE MR0175 Standard Tester Valve

Oilfield Downhole Mechnical Tester Valve High Pressure Tester Valve

Introudction of Mechanical tester Valve

Mechanical tester valves are the kind of the downhole tester valve is opening and closing the well by lifting and lowering the drill pipe or tubing to

control the ball valve of the tester valve. The tester valve is closed while the tool is running in hole. When the tool reached the predetermined depth,

J-slot mandrel will move up and down by applying the weight of workstring, and the transposition lug can rotate freely, then it will move along the

travel of index groove. The workstring is lifted or set down one time, the position of J-slot mandrel will change one time, like this, the ball valve can

be opened and closed finally. Above movement can be repeated many times as required.

Specification of the Mechanical Tester Valve

About Techcore Oil Tools

Techcore Oil Tools expertise in manufacture of the Drill Stem Testing 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.

Techcore designs and chooses the raw material of DST tools according to the customers' oil well condition, and make all our effort to supply the cost effective well testing tools to satisfy the customer, and improve the test tools to meet the industry’s demand for ultra-high pressure and temperature downhole 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

* Techcore supply the cost effect products with 12 months guarantee

* Techcore insist on the traceability of each Drill stem testing tools and related DST parts

from the raw material to the finished products to meet on requirements of onshore and offshore standards.

The drill stem testing tools are applied in cased hole, open hole and slim hole, the main DST tool string includes RTTS packer, circulating valve, safety joint, select tester valve, omni valve, hydraulic jar, shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.

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. 

DST Tools Warehouse