Measuring and testing – Borehole or drilling – During drilling
Patent
1998-06-09
2000-09-12
Williams, Hezron
Measuring and testing
Borehole or drilling
During drilling
7315218, 7315252, 16625011, 16625001, E21B 4706, E21B 4700
Patent
active
061160857
ABSTRACT:
A coil of continuous steel tubing string is stretched along the ground. An elongate bundle of instrument lines, including thermocouples and pressure sensor wiring, is threaded into the bore of the tubing string. The instrument lines are landed at multiple spaced apart measurement points along the string. The string and the contained bundle are cut at pressure measuring points. A tubular sub having a side port is supplied for each point. One set of cut line ends is threaded through the sub and reconnected with the other set. A pressure sensor is inserted in the string at the cut point and connected with pressure sensor wiring and the port. This process is repeated along the tubing string. The product is a continuous tubing string housing a plurality of pressure sensor assemblies connected to ports along the string and a plurality of thermocouples operative to measure temperature at points along the string. The pressure sensor assemblies and thermocouples are operative to transmit their measurements through the dry tubing bore to ground surface.
REFERENCES:
patent: 3627065 (1971-12-01), Murphy
patent: 4359899 (1982-11-01), Claycomb
patent: 4553428 (1985-11-01), Upchurch
patent: 4741208 (1988-05-01), Vandevier
patent: 5010764 (1991-04-01), Taylor
patent: 5350018 (1994-09-01), Sorem et al.
patent: 5826654 (1998-10-01), Adnan et al.
Chalaturnyk Richard John
Chhina Harbir Singh
Moffatt Terry George
AEC East
Griggs Dennis T.
Promore Engineering Inc.
Wiggins J. David
Williams Hezron
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