Downhole pipe selection for acoustic telemetry

Patent · Tue Dec 19 00:00:00 EST 1995

OSTI ID:170449

Drumheller, D S

A system is described for transmitting signals along a downhole string including a plurality of serially connected tubular pipes such as drill or production pipes, a transmitter for transmitting a signal along the string and a receiver for receiving the signal placed along the string at a location spaced from said transmitting means, wherein the pipes between the transmitter and the receiver are ordered according to length of tube to minimize loss of signal from said transmitter to said receiver. 7 figs.

• Research Organization: AT&T
• DOE Contract Number: AC04-76DP00789
• Assignee: Sandia Corp., Albuquerque, NM (United States)
• Patent Number(s): US 5,477,505/A/
• Application Number: PAN: 8-304,012
• OSTI ID: 170449
• Resource Relation: Other Information: PBD: 19 Dec 1995
• Country of Publication: United States
• Language: English

Related Subjects

44 INSTRUMENTATION
INCLUDING NUCLEAR AND PARTICLE DETECTORS
DATA TRANSMISSION SYSTEMS
DESIGN
SONIC LOGGING
DATA ACQUISITION SYSTEMS
DRILL PIPES
WELL CASINGS
DATA TRANSMISSION
DIMENSIONS