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Class Information
Number: 166/250.12
Name: Wells > Processes > With indicating, testing, measuring or locating > Tracer
Description: Indicating involving the use of an easily detectable material (e.g., dye, inert gas, halocarbons, cobalt-57, carbon dioxide).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7565928 |
Downhole abrading tool having a taggant injection assembly for indicating excessive wear |
Jul. 28, 2009 |
| 7516788 |
Methods of marking a zone of a wellbore for localizing the source of produced particulate |
Apr. 14, 2009 |
| 7472748 |
Methods for estimating properties of a subterranean formation and/or a fracture therein |
Jan. 6, 2009 |
| 7464771 |
Downhole abrading tool having taggants for indicating excessive wear |
Dec. 16, 2008 |
| 7424911 |
Method of estimating fracture geometry, compositions and articles used for the same |
Sep. 16, 2008 |
| 7410011 |
Method to determine the concentration of deuterium oxide in a subterranean formation |
Aug. 12, 2008 |
| 7401646 |
Methods for reverse-circulation cementing in subterranean formations |
Jul. 22, 2008 |
| 7389815 |
Methods for reverse-circulation cementing in subterranean formations |
Jun. 24, 2008 |
| 7347260 |
Method for determining tracer concentration in oil and gas production fluids |
Mar. 25, 2008 |
| 7178590 |
Well fluids and methods of use in subterranean formations |
Feb. 20, 2007 |
| 7137446 |
Fluids comprising reflective particles and methods of using the same to determine the size of a wellbore annulus |
Nov. 21, 2006 |
| 7096944 |
Well fluids and methods of use in subterranean formations |
Aug. 29, 2006 |
| 7077198 |
In situ recovery from a hydrocarbon containing formation using barriers |
Jul. 18, 2006 |
| 7073581 |
Electroconductive proppant compositions and related methods |
Jul. 11, 2006 |
| 7066256 |
Apparatus and method of detecting interfaces between well fluids |
Jun. 27, 2006 |
| 7032660 |
In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation |
Apr. 25, 2006 |
| 7032662 |
Method for determining the extent of recovery of materials injected into oil wells or subsurface formations during oil and gas exploration and production |
Apr. 25, 2006 |
| 7028773 |
Assessing downhole WBM-contaminated connate water |
Apr. 18, 2006 |
| 6915848 |
Universal downhole tool control apparatus and methods |
Jul. 12, 2005 |
| 6877559 |
Retrieving a sample of formation fluid in as cased hole |
Apr. 12, 2005 |
| 6840316 |
Tracker injection in a production well |
Jan. 11, 2005 |
| 6802373 |
Apparatus and method of detecting interfaces between well fluids |
Oct. 12, 2004 |
| 6799634 |
Tracer release method for monitoring fluid flow in a well |
Oct. 5, 2004 |
| 6691780 |
Tracking of particulate flowback in subterranean wells |
Feb. 17, 2004 |
| 6659175 |
Method for determining the extent of recovery of materials injected into oil wells during oil and gas exploration and production |
Dec. 9, 2003 |
| 6655457 |
Method for use in sampling and/or measuring in reservoir fluid |
Dec. 2, 2003 |
| 6645769 |
Reservoir monitoring |
Nov. 11, 2003 |
| 6581686 |
Method of and device for tracing hydraulic fractures, stimulations, cement jobs, etc. in oil and gas wells |
Jun. 24, 2003 |
| 6564866 |
Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material |
May. 20, 2003 |
| 6446719 |
Methods of downhole testing subterranean formations and associated apparatus therefor |
Sep. 10, 2002 |
| 6439310 |
Real-time reservoir fracturing process |
Aug. 27, 2002 |
| 6302205 |
Method for locating a drill bit when drilling out cementing equipment from a wellbore |
Oct. 16, 2001 |
| 6125934 |
Downhole tool and method for tracer injection |
Oct. 3, 2000 |
| 6125786 |
Underground warning system for underground conduits or pipes |
Oct. 3, 2000 |
| 6003365 |
Characterization of organic contaminants and assessment of remediation performance in subsurface formations |
Dec. 21, 1999 |
| 5595245 |
Systems of injecting phenolic resin activator during subsurface fracture stimulation for enhanced oil recovery |
Jan. 21, 1997 |
| 5413179 |
System and method for monitoring fracture growth during hydraulic fracture treatment |
May. 9, 1995 |
| 5246861 |
Use of nonradioactive complex metal anion as tracer in subterranean reservoirs |
Sep. 21, 1993 |
| 5212093 |
Method to determine drift and residual oil saturation |
May. 18, 1993 |
| 5072387 |
Method for determining a transit time for a radioactive tracer |
Dec. 10, 1991 |
| 5031697 |
Method for troubleshooting gas-lift wells |
Jul. 16, 1991 |
| 4788848 |
Chemical tracer determination of steam quality |
Dec. 6, 1988 |
| 4722394 |
Determining residual oil saturation by radioactively analyzing injected CO.sub.2 and base-generating tracer-providing solution |
Feb. 2, 1988 |
| 4501324 |
Method for identifying the source of an oil |
Feb. 26, 1985 |
| 4420565 |
Method for determining flow patterns in subterranean petroleum and mineral containing formations |
Dec. 13, 1983 |
| 4223725 |
Method for reservoir fluid drift rate determination |
Sep. 23, 1980 |
| 4058366 |
Determination of flow characteristics of petroliferous formations |
Nov. 15, 1977 |
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