Apparatus for pressure testing pipelines

Details Apparatus for pressure testing pipelines Apparatus for pressure testing pipelines

1988-10-05

1989-10-10

Chapman, John

Measuring and testing

With fluid pressure

Leakage

73 495, G01M 304

Patent

active

048723363

ABSTRACT:
Apparatus for pressure testing fluid transmission pipelines comprising spaced apart annular inflatable seal members supported by support members which are interconnected by an elongated flexible tube to define an annular space which may be pressurized to pressure test a section of pipe between the seal members. The tubular member defines a flow passage for pipeline fluid during operation of the apparatus. A fluid motor is disposed in the passage and drivably connected to a hydraulic pump which receives fluid from the pipeline to pressurize the seal members and the annular space. The pump may be remotely controlled by radio control receiver-transmitter apparatus to operate the pressure testing apparatus and to monitor pressures in the seal members and the test space. The pump and control members may be disposed in a housing which is mounted adjacent one end of the apparatus. The apparatus is propelled through a pipeline by pressure fluid in the line.

REFERENCES:
patent: 3483895 (1969-12-01), Barto
patent: 3690348 (1972-09-01), Patterson
patent: 4646787 (1987-03-01), Rush et al.

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