Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate
2008-07-15
2008-07-15
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Wellbore telemetering or control
Using a specific transmission medium
C340S853100, C340S854400, C340S855600, C367S081000, C367S082000, C367S083000, C367S084000
Reexamination Certificate
active
07400262
ABSTRACT:
A system for communicating between a first location and a second location comprises a jointed tubular string having a first section and a second section connected at a connection joint, with the tubular string having a fluid in an internal passage thereof. A first acoustic transducer is mounted in the internal passage of the first section proximate the connection joint, and a second acoustic transducer is mounted in the internal passage of the second section proximate the connection joint. A signal transmitted from the first location to the second location is transmitted across the connection joint as an acoustic signal in the fluid from the first acoustic transducer to the second acoustic transducer.
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Aronstam Peter
Chemali Roland E.
Fincher Roger
Krueger Volker
Watkins Larry
Baker Hughes Incorporated
Hofsass Jeffery
Madan Mossman & Sriram P.C.
Yacob Sisay
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