Communications: electrical – Wellbore telemetering or control – In horizontal or inclined passage arrangement
Patent
1981-10-09
1986-02-04
Tubbesing, T. H.
Communications: electrical
Wellbore telemetering or control
In horizontal or inclined passage arrangement
73155, 34087012, 34087026, G01U 140, G01D 512
Patent
active
045689334
ABSTRACT:
An electronic recording device and multiple sensors for measuring various parameters at locations remote from the recording device. The multiple sensors can be joined together to comprise a downhole tool for measuring various parameters within a well bore and transmitting information concerning each parameter to the recording device via a single conductor electrical wireline. The embodiment disclosed within this patent measures the parameters of pressure, temperature, flow rate plus direction, and collar location. A wide variety of sensors can be included within the downhole tool to measure additional parameters as desired. This invention allows the multiple sensors to measure various parameters at any location remote from the recording device and to transmit information concerning each parameter to the recording device on single conductor electrical line as a composite signal.
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McCracken Oliver W.
Montgomery Carlos E.
Taylor Donald F.
Wortham Larry C.
Felger Thomas R.
Kaiser K. R.
Otis Engineering Corporation
Tubbesing T. H.
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