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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 |
| 6629564 |
Downhole flow meter |
Oct. 7, 2003 |
| 6623646 |
In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater |
Sep. 23, 2003 |
| 6615916 |
Method of saving string of tools installed in an oil well and a corresponding transmission assembly |
Sep. 9, 2003 |
| 6614716 |
Sonic well logging for characterizing earth formations |
Sep. 2, 2003 |
| 6595294 |
Method and device for gas lifted wells |
Jul. 22, 2003 |
| 6591906 |
In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content |
Jul. 15, 2003 |
| 6591907 |
In situ thermal processing of a coal formation with a selected vitrinite reflectance |
Jul. 15, 2003 |
| 6588503 |
In Situ thermal processing of a coal formation to control product composition |
Jul. 8, 2003 |
| 6588505 |
Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation |
Jul. 8, 2003 |
| 6585044 |
Method, system and tool for reservoir evaluation and well testing during drilling operations |
Jul. 1, 2003 |
| 6585045 |
Formation testing while drilling apparatus with axially and spirally mounted ports |
Jul. 1, 2003 |
| 6581680 |
Apparatus for mounting an electronic device for use in directional drilling |
Jun. 24, 2003 |
| 6578634 |
Method of monitoring pumping operations of a service vehicle at a well site |
Jun. 17, 2003 |
| 6575244 |
System for controlling the operating pressures within a subterranean borehole |
Jun. 10, 2003 |
| RE38129 |
Phase change analysis in logging method |
Jun. 3, 2003 |
| 6568487 |
Method for fast and extensive formation evaluation using minimum system volume |
May. 27, 2003 |
| 6568481 |
Deep well instrumentation |
May. 27, 2003 |
| 6564883 |
Rib-mounted logging-while-drilling (LWD) sensors |
May. 20, 2003 |
| 6557630 |
Method and apparatus for determining the temperature of subterranean wells using fiber optic cable |
May. 6, 2003 |
| 6554064 |
Method and apparatus for a sand screen with integrated sensors |
Apr. 29, 2003 |
| 6550322 |
Hydraulic strain sensor |
Apr. 22, 2003 |
| 6550538 |
Communication with a downhole tool |
Apr. 22, 2003 |
| 6547010 |
Annular pack having mutually engageable annular segments |
Apr. 15, 2003 |
| 6547016 |
Apparatus for measuring weight and torque on drill bit operating in a well |
Apr. 15, 2003 |
| 6543540 |
Method and apparatus for downhole production zone |
Apr. 8, 2003 |
| 6540020 |
Motor by-pass valve |
Apr. 1, 2003 |
| 6538576 |
Self-contained downhole sensor and method of placing and interrogating same |
Mar. 25, 2003 |
| 6536522 |
Artificial lift apparatus with automated monitoring characteristics |
Mar. 25, 2003 |
| 6527052 |
Methods of downhole testing subterranean formations and associated apparatus therefor |
Mar. 4, 2003 |
| 6525540 |
Method and device for detection of em waves in a well |
Feb. 25, 2003 |
| 6513599 |
Thru-tubing sand control method and apparatus |
Feb. 4, 2003 |
| 6497280 |
Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation |
Dec. 24, 2002 |
| 6497279 |
Method of using a heater with a fiber optic string in a wellbore |
Dec. 24, 2002 |
| 6490916 |
Method and system of fluid analysis and control in a hydrocarbon well |
Dec. 10, 2002 |
| 6478087 |
Apparatus and method for sensing the profile and position of a well component in a well bore |
Nov. 12, 2002 |
| 6478096 |
Apparatus and method for formation testing while drilling with minimum system volume |
Nov. 12, 2002 |
| 6474152 |
Methods and apparatus for optically measuring fluid compressibility downhole |
Nov. 5, 2002 |
| 6464004 |
Retrievable well monitor/controller system |
Oct. 15, 2002 |
| 6457521 |
Method and apparatus for continuously testing a well |
Oct. 1, 2002 |
| 6450257 |
Monitoring fluid flow through a filter |
Sep. 17, 2002 |
| 6450256 |
Enhanced coalbed gas production system |
Sep. 17, 2002 |
| 6446718 |
Down hole tool and method |
Sep. 10, 2002 |
| 6408943 |
Method and apparatus for placing and interrogating downhole sensors |
Jun. 25, 2002 |
| 6405798 |
Downhole tool and method |
Jun. 18, 2002 |
| 6397946 |
Closed-loop system to compete oil and gas wells closed-loop system to complete oil and gas wells c |
Jun. 4, 2002 |
| 6378627 |
Autonomous downhole oilfield tool |
Apr. 30, 2002 |
| 6367548 |
Diversion treatment method |
Apr. 9, 2002 |
| 6360820 |
Method and apparatus for communicating with downhole devices in a wellbore |
Mar. 26, 2002 |
| 6357524 |
System for using inert gas in oil recovery operations |
Mar. 19, 2002 |
| 6359569 |
Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation |
Mar. 19, 2002 |
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