E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/16 (2006.01) H04B 11/00 (2006.01)
Patent
CA 2280283
An acoustic transmission system is presented, wherein acoustic communication is transmitted over an acoustic medium comprising production tubing, well casing or over continuous tubing in a well (e.g., coil tubing, chemical injection tubing or dewatering string). More specifically, the acoustic medium has an acoustic tool associated therewith, which is permanently located downhole with the sensors and electromechanical devices typically employed in a well, and an acoustic tool associated therewith. uphole. The downhole sensors are connected to the downhole acoustic tool for acoustic communication. The acoustic tool includes a piezoelectric ceramic transducer (i.e., a stack of piezoelectric elements) or an accelerometer for transmitting or receiving acoustic signals transmitting through the medium.
Mendez Luis
Mullins Albert A. II
Tubel Paulo
Baker Hughes Incorporated
Sim & Mcburney
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