Full H2S Select Tester Valve Dst Well Test Tubing Tester Valve
Cased Hole
Introudction of Tubing tester Valve
The Tubing Tester valve is a full opening test valve that
allows the drill stem test string to be pressure
tested at any depth while running in the hole.The tubing
tester valve is operated after it is stung into a permanent packer
or a retrievable packer is set. The tubing tester valve
primarily consists of flapper valve and spring, shear pin section
and locking dogs.
Two sized of the tubing tester valves are available : 3 7/8" for
slim hole and 5" for the cased hole, and the valve is made of alloy
steel and Inconel steel can be served in standard DST operation and
Full H2S well testing service
Specification of Tubing Tester Valve
| Tool Size /in | OD /in | ID /in | Thread Connections | Length / in | Working Pressure | Working condition |
| 3 7/8 | 3.9 | 1.8 | 2 7/8 CAS | 44.67 | 15,000 psi | Standard testing
Full H2S service |
| 5 | 5.03 | 2.28 | 3 7/8 CAS | 48 |
What kind of test will done to check the tubing tester
valve
Test Condition:
- No sands and dust in the place of production depositary.
- Temperature:0~35℃
Test requirment:
* Inner sealing Testing
Attach testing caps on top and bottom of tools, bleed off air in
the tool by increasing pressure from bottom, increasing pressure
upto 105Mpa gradually, Closed the check valve on testing cap, keep
the pressure 15 minutes, check if pressure drop, leakage.
* Flapper valve sealing testing
Attach testing caps on top and bottom of tools, bleed off the air
in tools, increase pressure gradually upto 105Mpa,keep pressure for
15 minutes.
* Tools function Testing
Install 6pcs shear pins into tool, increasing pressure from
circulating port in pressure housing upto 22.2+-1Mpa, shear pins
sheared, the mandrel move upward, increasing pressure again upto
70Mpa, keep the pressure, the flapper valve open fully, locking
block locked, check if pressure drop, leakage.
Flapper valve sealing testing of the tubing tester valve
Inner sealing test chart of tubing tester valve
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.
We approach every client’s enquiry with meticulous attention to
technical specifications, and a high level of appreciation for
their urgency.
Downhole Oil Tools Tubing Tester Valve Cased Hole Select Tester
Valve
