Downhole Tester Valve For Case Hole Drill Stem Testing Service
The downhole tester valve is a full opening, annulus pressure operated tool used in cased holes. The tester valve has the capabilities of taking multiple downhole closures where pipe manipulation is restricted and a full opening string is desired. The downhole tester valve is composed of four basic sections; ball valve section, upper hydraulic section, nitrogen section and the metering section
The downhole tester valve has the same basic features of the 15K “N”Tester Valve That Without Lock open function plus additional features that include:
* The ability to lock the ball valve in the open position at any point during the test.
* The ability to reactivate the tool for normal operations.
Technical parameter of Downhole Tester Valve
OD | 127.5mm(5”) |
ID | 57mm |
Length | 7384mm |
Ball valve Open Diff.Pressure | 35Mpa |
Ball valve top and bottom diff.pressure | 70Mpa |
Working Pressure | 105Mpa |
Tensile Strength | 1947KN |
Torque Strength | 661KN.M |
Working Temperature | -29C~204C |
Service | H2SNACEMR 0175 |
Connection Thread | 31/2”IF BXP 37/8”CASB XP |