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Class Information
Number: 166/250.01
Name: Wells > Processes > With indicating, testing, measuring or locating
Description: Process including a step of: providing evidence of a condition; e.g., leak, oil-gas interface; performing an analysis; e.g., downhole pressure; counting; or determining the position of an object or formation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6997255 |
In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
Feb. 14, 2006 |
| 6997256 |
Use of fiber optics in deviated flows |
Feb. 14, 2006 |
| 6998999 |
Hybrid piezoelectric and magnetostrictive actuator |
Feb. 14, 2006 |
| 6994162 |
Linear displacement measurement method and apparatus |
Feb. 7, 2006 |
| 6994169 |
In situ thermal processing of an oil shale formation with a selected property |
Feb. 7, 2006 |
| 6994161 |
In situ thermal processing of a coal formation with a selected moisture content |
Feb. 7, 2006 |
| 6991033 |
In situ thermal processing while controlling pressure in an oil shale formation |
Jan. 31, 2006 |
| 6990045 |
Methods for acquiring seismic data while tripping |
Jan. 24, 2006 |
| 6989764 |
Apparatus and method for downhole well equipment and process management, identification, and actuation |
Jan. 24, 2006 |
| 6978831 |
System and method for sensing data in a well during fracturing |
Dec. 27, 2005 |
| 6978832 |
Downhole sensing with fiber in the formation |
Dec. 27, 2005 |
| 6977367 |
Providing a light cell in a wellbore |
Dec. 20, 2005 |
| 6973375 |
System and method for flow monitoring and control |
Dec. 6, 2005 |
| 6968905 |
Distributed control system |
Nov. 29, 2005 |
| 6966373 |
Inflatable sealing assembly and method for sealing off an inside of a flow carrier |
Nov. 22, 2005 |
| 6957700 |
Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties |
Oct. 25, 2005 |
| 6955218 |
Placing fiber optic sensor line |
Oct. 18, 2005 |
| 6955217 |
Method and apparatus for a tubing conveyed perforating guns fire identification system using fiber optics |
Oct. 18, 2005 |
| 6953088 |
Method and system for controlling the production rate of fluid from a subterranean zone to maintain production bore stability in the zone |
Oct. 11, 2005 |
| 6948563 |
In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content |
Sep. 27, 2005 |
| 6945327 |
Method for reducing permeability restriction near wellbore |
Sep. 20, 2005 |
| 6943340 |
Method and apparatus of providing an optical fiber along a power supply line |
Sep. 13, 2005 |
| 6942034 |
Extent of detonation determination method using seismic energy |
Sep. 13, 2005 |
| 6938689 |
Communicating with a tool |
Sep. 6, 2005 |
| 6927698 |
Shuttle-in receiver for radio-imaging underground geologic structures |
Aug. 9, 2005 |
| 6918443 |
In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range |
Jul. 19, 2005 |
| 6913078 |
In Situ thermal processing of hydrocarbons within a relatively impermeable formation |
Jul. 5, 2005 |
| 6913079 |
Method and system for monitoring smart structures utilizing distributed optical sensors |
Jul. 5, 2005 |
| 6880634 |
Coiled tubing acoustic telemetry system and method |
Apr. 19, 2005 |
| 6880633 |
In situ thermal processing of an oil shale formation to produce a desired product |
Apr. 19, 2005 |
| 6877557 |
In-well monitoring and flow control system |
Apr. 12, 2005 |
| 6871713 |
Apparatus and methods for sampling and testing a formation fluid |
Mar. 29, 2005 |
| 6868906 |
Closed-loop conveyance systems for well servicing |
Mar. 22, 2005 |
| 6863127 |
System and method for making an opening in a subsurface tubular for reservoir monitoring |
Mar. 8, 2005 |
| 6860327 |
Pressure containing assembly used to detect the location of anomalies within a blowout preventer (BOP) stack |
Mar. 1, 2005 |
| 6847034 |
Downhole sensing with fiber in exterior annulus |
Jan. 25, 2005 |
| 6845819 |
Down hole tool and method |
Jan. 25, 2005 |
| 6843119 |
Apparatus for measuring and recording data from boreholes |
Jan. 18, 2005 |
| 6843316 |
Method for improving well quality |
Jan. 18, 2005 |
| 6832515 |
Method for measuring formation properties with a time-limited formation test |
Dec. 21, 2004 |
| 6828547 |
Wellbores utilizing fiber optic-based sensors and operating devices |
Dec. 7, 2004 |
| 6827149 |
Method and apparatus for conveying a tool in a borehole |
Dec. 7, 2004 |
| 6820688 |
In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio |
Nov. 23, 2004 |
| 6820701 |
Visual probes and methods for placing visual probes into subsurface areas |
Nov. 23, 2004 |
| 6817411 |
System for displacement of water in coalbed gas reservoirs |
Nov. 16, 2004 |
| 6817412 |
Method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system |
Nov. 16, 2004 |
| 6819628 |
Wave migration by a krylov space expansion of the square root exponent operator, for use in seismic imaging |
Nov. 16, 2004 |
| 6799634 |
Tracer release method for monitoring fluid flow in a well |
Oct. 5, 2004 |
| 6799633 |
Dockable direct mechanical actuator for downhole tools and method |
Oct. 5, 2004 |
| 6798350 |
Method for repeating messages in long intelligent completion system lines |
Sep. 28, 2004 |
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