Wireline Tool String Knuckle Joint For Wireline / Slick Line Operation

Wireline Knuckle Joints are the tools used in wireline tool string to add flexibility to the tool string and knuckle joints are effective in deviated wells. Whenever Stem and jar are not aligned or not moving freely it is impossible to operate tools. However adding knuckle joint in a string this situation can be avoided. Knuckle Joints are run immediately below Mechanical Jar. For additional flexibility additional Knuckle Joint can be included between stem and jar.

Specification of Knuckle Joint

Downhole Oil Tools

- Drill stem testing tools (APR tools):

Full Bore Retrievable Packer, CHAMP Packer, HPHT Packer, RTTS Circulating Valve,

Rupture Disc Circulating Valve, RD Safety Circulating Valve, RTTS Safety Joint, OMNI Valve, Multi-cycle Circulating valve, Downhole Tester Valve, Select Tester Valve, LPR N-Tester Valve, Mechanical Tester Valve, Tubing Tester Valve, Super Safety Valve, BOP Safety Valve, Sleeve Type Drain Valve, Rupture Disc Sampler etc.

- Coiled Tubing Tools

Connector, Check Valve, Motor Head, Rotating Wash Tools, Surface Knuckle joint,

Slip Slide Type Clamp, Centralizer etc.

- Perforating tools

Perforator, Perforating Gun System, Perforating Shaped Charge Case.

- Wireline Tool String: Rope Socket- Pear Drop, Rope Socket-Disc&Spring Type, Rope Socket- Slip Type, Swivel Joint, Heavy Duty Swivel Joint, Stem-Standard, Stem-Tungsten,Stem-Lead Filled, Stem- Tungsten Filled, Stem-Roller, Accelerator, Link Jar, Tubular Jar, Spring Jar, Hydraulic Jar, Knuckle Jar, Breech Lock Quick Joint, BDK Heavy Duty Q.R.J, Wireline Knuckle Quick Joint, Crossover, Wireline Knuckle Joint, Heavy Duty Knuckle Joint, Spring Centralizer, Fluted Centralizer, Roller Centralizer

Welcome to contact us for more information of 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