E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
73/172, 73/51.4
E21B 47/00 (2006.01) E21B 23/02 (2006.01) E21B 47/01 (2006.01) E21B 47/06 (2006.01) E21B 49/08 (2006.01)
Patent
CA 1211296
ABSTRACT The present invention comprises a method and apparatus for placement and retrieval of gauges employed to measure temperature, pressure and other parameters in a well bore. The apparatus comprises a gauge receptacle means incorporated in a pipe string including a substan- tially tubular outer housing having a substantially tubular inner housing substantially coaxially therein, the inner housing being supported in the outer housing by a plurality of support rings having longitudinally extending apertures therethrough. The inner housing has a landing nipple profile cut therein, whereby a locking mandrel having a gauge holder secured thereto may be run into the pipe string on a wireline, and locked into the inner housing after which the wireline may be retracted. The locking mandrel may also be subsequently unlocked and retrieved with the gauge holder by wireline.
447844
Company Halliburton
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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