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Class Information
Number: 340/855.2
Name: Communications: electrical > Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) > Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) > Cable or wire (e.g., conductor as support, etc.) > Single conductor cable or wire
Description: Subject matter wherein the signal conductor is composed of a single piece of solid material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7382273 |
Wired tool string component |
Jun. 3, 2008 |
| 7209407 |
Seismic data acquisition system |
Apr. 24, 2007 |
| 7201240 |
Biased insert for installing data transmission components in downhole drilling pipe |
Apr. 10, 2007 |
| 7096961 |
Method and apparatus for performing diagnostics in a wellbore operation |
Aug. 29, 2006 |
| 6950034 |
Method and apparatus for performing diagnostics on a downhole communication system |
Sep. 27, 2005 |
| 6843119 |
Apparatus for measuring and recording data from boreholes |
Jan. 18, 2005 |
| 6501996 |
Process automation system |
Dec. 31, 2002 |
| 6396414 |
Retractable electrical/optical connector |
May. 28, 2002 |
| 6392561 |
Short hop telemetry system and method |
May. 21, 2002 |
| 6158276 |
Apparatus for measuring and recording data from boreholes |
Dec. 12, 2000 |
| 5747750 |
Single well system for mapping sources of acoustic energy |
May. 5, 1998 |
| 5670931 |
Method and apparatus for transmitting data over a power cable utilizing a magnetically saturable core reactor |
Sep. 23, 1997 |
| 5589825 |
Logging or measurement while tripping |
Dec. 31, 1996 |
| 5521592 |
Method and apparatus for transmitting information relating to the operation of a downhole electrical device |
May. 28, 1996 |
| 5119089 |
Downhole seismic sensor cable |
Jun. 2, 1992 |
| 4828051 |
Method and apparatus for data transmission in a well using a flexible line with stiffener |
May. 9, 1989 |
| 4808996 |
Simultaneous digitizing apparatus for an acoustic tool |
Feb. 28, 1989 |
| 4806928 |
Apparatus for electromagnetically coupling power and data signals between well bore apparatus and the surface |
Feb. 21, 1989 |
| 4790380 |
Wireline well test apparatus and method |
Dec. 13, 1988 |
| 4691203 |
Downhole telemetry apparatus and method |
Sep. 1, 1987 |
| 4605268 |
Transformer cable connector |
Aug. 12, 1986 |
| 4541481 |
Annular electrical contact apparatus for use in drill stem testing |
Sep. 17, 1985 |
| 4450539 |
Apparatus for measuring the relative position of a downhole tool in a bore hole |
May. 22, 1984 |
| 4415895 |
Well logging data transmission system |
Nov. 15, 1983 |
| 4304451 |
Interconnection technique for downhole instrumentation |
Dec. 8, 1981 |
| 4282523 |
Method and apparatus for logging inclined earth boreholes |
Aug. 4, 1981 |
| 4227405 |
Digital mineral logging system |
Oct. 14, 1980 |
| 4220381 |
Drill pipe telemetering system with electrodes exposed to mud |
Sep. 2, 1980 |
| 4130169 |
Downhole connector for use with drill string telemetering system |
Dec. 19, 1978 |
| 4095865 |
Telemetering drill string with piped electrical conductor |
Jun. 20, 1978 |
| 4051456 |
Apparatus for establishing and maintaining electric continuity in drill pipe |
Sep. 27, 1977 |
| 4035763 |
Wireline tool for measuring bottom-hole pressure in pumping wells |
Jul. 12, 1977 |
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