Products > APR Drill Stem Testing Tools

LPR-N Valve


Product Number: KW-DST-05 The Pressure Operated tester valve (LPR-N Valve) is a full- opening, annulus pressure-operated valve


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KINGWELL LPR-N Valve Features & Benefits:
 
The Pressure Operated tester valve (LPR-N Valve) is a full- opening, annulus pressure-operated valve. It measures multiple closed-in pressures in cased holes where pipe manipulation is restricted and a full-opening string is required.
 
The Pressure operated tester valve is composed of a ball valve section, a power section, and a metering section. The ball valve section provides multiple downhole closures. 

KINGWELL LPR-N Valve Technical Data:

Specification 3 7/8" 5"
Outside Diameter 99mm 127.5mm
Drift Diameter 45mm 57mm
Total Length 5163mm 4940mm
Working Pressure 70MPa 105MPa
Working Temperature  -29℃+177℃  -29 ℃ +177℃
Resistance to Tension 1479KN 2377KN
Internal Pressure Strength 135MPa 148MPa
Outer Pressure Resistance 126MPa 138MPa
Torque Strength 34KN.m 37.1KN.m
Binding Screw Thread 2 7/8" CAS & 2 7/8" EU 3 7/8" CAS & 3 1/2" IF


KINGWELL LPR-N Valve Drawing



Tester valve with lock-open module (10k or 15k), qty 1
Description:
Downhole Tester Valve is the centrepiece of the Drill Stem Test (DST) String, which provides control of the well flow safely during a Drill Stem Test. It is a full bore – full opening down hole tester valve that operated (opened or closed) by applying annulus pressure, and it should be opened or closed as many times as necessary for multiple flows and shut-in periods. The tool should include a lock-open module that can be used at any time during the test. With this module, after three (03) cycles minimum, the ball valve can be held open (full open) when the annulus pressure is bled off. The lock open module is useful in the following procedures:  
Ø  Bleeding annulus pressure during long flow periods.
Ø  Running wire line (or coiled tubing) through the tester valve with annulus pressure bled off.
Ø  Circulating to condition the mud and clean the hole while tripping in hole (the packer is not set).
Ø  Lifting with nitrogen and stimulation …




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