DAV Rupture Disc Valve

Brand Name:Techcore
Certification:ISO, BV
Model Number:RD DAV
Minimum Order Quantity:1 set
Delivery Time:20-30 days
Place of Origin:CHINA
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Address: No.25th Gaoxin6th Road, Xi'an, China
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Product Details

Well Testing Operation Rupture Disc Dual Action Valve Downhole Tester Valve


In drill stem testing operation, there are different tester valves including select tester valve, LPR-N valve, tubing string tester valve and dual action valve. The dual action vlave is a full-opening and ball valve type tester valve and controlled by annular Rupture disc. The dual action valve can be used as a tester valve or a safety valve to close the well under emergency condition.


The RD-DAV can be run in hole in either the open or closed position, the tool can be operated by twice, so called as Dual action
or dual shot valve.
A two-way ratchet of the dual action valve is used to prevent the operator mandrel from shifting, except in response to annulus overpressure.


The rupture disc dual action valve can be applied for many operations in high pressure high temperature oil wells and gas wells including downhole testing operation, well completion operation, reservoir testing operation, also the the dual action vlave can be used in deviated and deepwater wells.


Specification of Dual Action valve


TypeDAV- StandardDAV-HP
Max. OD, in55 [
Tool ID, in2.252.25

Pressure ratings

Max. differential across wall, psi


10,000


15,000

Max. annular, psi12,00020,500
Max. tubing, psi13,00023,500
Max. across ball from above, psi10,00015,000
Max. across ball from below, psi10,00015,000
Temperature rating, degF350350
Length, ft5.085.08
Weight, lbm246246
Service (NACE International MR-0175)H2S, acidH2S, acid
Tensile strength at min. yield, lbf350,000350,000
Connection31⁄2 IF31⁄2 IF or PH-6



Advantage of Techcore Oil Tools


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 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.


* 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

* Techcore insist on the traceability of each Drill stem testing tools and related DST parts


Welcome to contact us for more information of the downhole tools!


China DAV Rupture Disc Valve supplier

DAV Rupture Disc Valve

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