Slim Hole Drill Stem Test ToolsRound Mandrel Slip Joint DST Tool 3 7/8" Size

Slim Hole Drill Stem Test ToolsRound Mandrel Slip Joint DST Tool 3 7/8" Size

Introduction of Round Mandrel Slip Joint

3 7/8" round mandrel slip joints are available for the slim hole well testing service, fracturing operation. Round Mandrel Slip Joint is mainly used in FUL-FLO formation test, fracturing, acidizing operations in drilling operation. The round mandrel slip joint, like other slip joints, accepts the movement associated with ocean heave or temperature change without allowing the movement to disturb the placement of downhole tools. The Round mandrel slip joint can also be used in overland formation testing operation that compensates pipe string elongation and contraction due to temperature and pressure changes. The slip joint can also connected to the lower end of multi-flow testing valve and provide free travel for testing valves switch.

Features of Round Mandrel Slip Joint

• The round mandrel slip joint provides a variable-length joint to allow the pipe to expand and contract during testing or stimulation

• The slip joint keeps vertical movement of the drilling vessel from disturbing tool placement

• When the subsea tree is landed, elps space out the testing string

• Provides a constant weight on the packer during testing or stimulation

Application of the slip joint

* Well Testing DST operations

* Oil & Gas well treating work

* Well Squeeze cementing operations.

Technical Parameter of slim hole round mandrel slip joint

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 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

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.

3 7/8" Round Mandrel Slip Joint for the Slim Hole Drill Stem Tesing operation

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