Downhole Wireline Tools And Equipment Roller Stem Wireline Sinker Bar Wireline Stem

Downhole Wireline Roller Stem Wireline Sinker Bar Wireline Stem

A roller stem is a sort of wireline stem used for downhole wireline fishing operation. The wireline roller stem is designed to replace conventional stem for operation in deviated well bores. The rollers on the stem run along the underside wall of the tubing. Roller Stems are used with tool string in deviated wells. Its application is to reduce friction against tubing ID. In assembly of Roller Stems: Roller stem is made of alloy steel to suitable for high temperature / H2S Service, and specialty bearings are assembled with body. Roller Stems are available in various Lengths, ODs, Connections and Rollers diameter.

Specification of the wireline roller stem

Techcore's Dowhole Tools

With the professional Research and Development (R&D) department and skilled engineers whom were committed to the design of downhole tools for more than ten years, Techcore Oil Tools equipped with advance equipment is specialized in manufacture the oil downhole tools and its related parts in high quality.

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

Retrievable packer, circulating valve, safety joint, downhole tester valve, LPR- N Valve, omni valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.

*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.

* Wireline Tools : Rope socket, wireline jar, stem, swivel joint, centralizer, knuckle joint, wireline crossover, sand bailer, tubing swage, tubing cutter, wireline brush etc.

Strict quality control system

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..

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.

Welcome to contact us for information about the downhole tools

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