High Pressure Drill Stem Testing Tools Full H2S Service DST Tools

A Drill stem testing is kind of downhole testing service for evaluating the hydrocarbon potential of a reservoir. The drill stem test is a valuable and cost effective test that is mainly employed in exploratory wells. The main objective of the test is to study the reservoir characteristics as well as evaluate the commercial aspects of the reservoir. And a Drill Stem Test is carried out in a wellbore and the

DST tool string contains many kinds of components including high pressure packer, circulating valve, downhole tester valve, sampler, safety joint, safety valve, drain valve, gauge carrier and cross over sub.

* Retrievable Packers in 70Mpa and 105 Mpahaving expandable seals that isolate the formation.

* Downhole tester valves that open and close the well for reservoir build up studies during flow. These valves are also closed during emergency situations including mechnical tester valve, select tester valve, tubing string tester valve, LPR - N valve.

* The gauge carrier with data recorder that collects the pressure and temperature data during the testing period.

* The Rupture Disk Sampler that collect the sample near the wellbore at the existing conditions.

Specification of the Drill stem testing tools string

About Techcore Oil Tools

Techcore Oil Tools was rebuilt with ZZ TOP Oil Tools in 2016 to expand the production floor and products range. Techcore is expertised 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 oil tools is certified by ISO, all the manufacture is strictly conformed with ISO system including Quality Control Management, Environmental Management and Occupational Health & Safety Management. For each downhole tools and each parts, we make the trace-ability from the raw material till the products. And any TPI inspection are available with us from SGS/BV/ TUV /DNV etc..

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.

Continuous after sales service

Techcore provides the prompt after-sales service to our customers to guarantee your benefits. For the complete downhole tools, we provide the free training in our factory, and if you need the site instruction, we can appoint our technical engineer to your site for the training.