Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate
2005-06-07
2005-06-07
Wong, Albert K. (Department: 2635)
Communications: electrical
Wellbore telemetering or control
Using a specific transmission medium
C340S854600, C166S381000, C324S333000, C324S339000
Reexamination Certificate
active
06903660
ABSTRACT:
Systems and methods for downhole communication and measurement utilizing an improved metallic tubular having an elongated body with tubular walls and a central bore adapted to receive a run-in tool. The tubular including slotted stations to provide through-tubular signal transmission and/or reception. Hydraulic isolation between the interior and exterior of the tubular is provided by pressure barrier means at the slotted stations. Sensors and/or sources are mounted on the run-in tool, which is adapted for transmission through a drill string to engage within the tubular in alignment with the slotted stations. A run-in tool configuration includes a modulator for real-time wireless communication with the surface and/or remote downhole tools. A tubular and run-in tool configuration also includes inductive couplers for wireless signal data transfer. A method for measuring a formation characteristic utilizing a run-in tool adapted with an interchangeable end segment for multi-mode downhole transport. Methods for sealing an opening on the surface of a tubular having an elongated body with tubular walls and a central bore.
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“Logging while Tripping Cuts Time to Run Gamma Ray,”Oil and Gas J., pp. 65-66 (Jun. 10, 1996).
Bonner Stephen
Clark Brian
Collins Anthony
Frey Mark T.
Hunka John
Echols Brigitte L.
Gaudier Dale
McEnaney Kevin P.
Schlumberger Technology Corporation
Wong Albert K.
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