Patent ID: 6430990
Filing Date: 2002-08-13
Classification: E21B,G01M

Abstract:
An apparatus for forming a test chamber within tubulars and internally pressure testing said tubulars with a test gas comprising:(a) a generally cylindrical tester body having first and second spaced-apart sealing assemblies said sealing assemblies each having a plurality of resilient seals, said seals of said seal assemblies being sealably expandable against the inner wall of said tubular; (b) means for expanding said seals of said first and second seal assemblies against the inner wall of said tubular independent from each other so as to form a test chamber defined by the inner wall of said tubular and said expanded seal assemblies; (c) means for supplying a pressurized test gas to said test chamber; (d) retaining means for retaining test gas that has escaped from said test chamber to the exterior of said tubular; and (e) means for detecting the presence of test gas in said retaining means.