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Address: No.25th Gaoxin6th Road, Xi'an, China
Contact name:LEE
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Slim Hole Sleeve Type Drain Valve Downhole Drilling Tools 3 7/8" 15000 PSI
Introudction of Slim Hole Drain Valve
The 3 7/8" sleeve type drain valve is used to slim hole drill stem testing operation. Once the well testing is finished, the 3 7/8" valve is to drain the volume fluid and release pressure in the slim hole.The drain valve consists of a ported body, sliding sleeve, and rotating nut. The ports in the sleeve of drain valve will be sealed with two sets of O rings before the drain valve is run in hole, which is to keep the sliding sleeve tighten during downhole operation.
Features of the Slim Hole Drain Valve
* The sleeve type drain valve in 3 7/8" is for slim hole downhole operation
* It is easy to mainten the drain valve.
* The drain valve is used to recover large volume fluid samples
* The drain valve is the full opening type with annulus pressure operation.
Technical parameter of DST Slim Hole Drain Valve
| No. | Specification | |
| 1 | Nominal Tool size | 3 7/8 in |
| 2 | OD | 3.9 in |
| 3 | ID | 2.0 in |
| 4 | Length | 30 in |
| 5 | Thread Connection | 2 7/8 CAS |
| 6 | Working pressure | 105 Mpa |
| 7 | Service Temperature | 450 oF |
Sleeve Type Drain Valve Function Test Chart
The drill stem testing tools are applied in cased hole, open hole and slim hole downhole operation, the DST tools not only used for well testing oepration, but also used for fracturing operation, well completion operation, well flow test operation, and tubing perforating oepraton.
The main DST tool string includes RTTS packer, full bore retrievable circulating valve, full bore retrievable safety joint, select tester valve, downhole tester valve, omni valve / multi-cycle circulating valve, hydraulic jar, radia shock absorber,Vertical shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.
Advantage of Techcore Oil Tools
Techcore Oil Tools expertise in manufacture of the downhole oil 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, coiled tubing tools for CT 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
Welcome to contact us for more information!
Cased Hole Drill Stem Test Tools Sleeve Type Drain Valve 3 7/8" - 15000psi
