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Class Information
Number: 166/250.07
Name: Wells > Processes > With indicating, testing, measuring or locating > Bottom hole pressure
Description: Testing including the step(s) of determining weight per volume at the well total depth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624801 |
Control system and method for controlling a hybrid petroleum extractor/power generator |
Dec. 1, 2009 |
| 7588081 |
Method of modifying permeability between injection and production wells |
Sep. 15, 2009 |
| 7548681 |
Prevention of optical fiber darkening |
Jun. 16, 2009 |
| 7530392 |
Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates |
May. 12, 2009 |
| 7527094 |
Double barrier system for an in situ conversion process |
May. 5, 2009 |
| 7458420 |
Downhole measurement system and method |
Dec. 2, 2008 |
| 7438128 |
Identifying zones of origin of annular gas pressure |
Oct. 21, 2008 |
| 7438135 |
Method of suspending, completing and working over a well |
Oct. 21, 2008 |
| 7401655 |
Downhole gas compressor |
Jul. 22, 2008 |
| 7387160 |
Use of sensors with well test equipment |
Jun. 17, 2008 |
| 7380597 |
Deployment of underground sensors |
Jun. 3, 2008 |
| 7353869 |
System and method for utilizing a skin sensor in a downhole application |
Apr. 8, 2008 |
| 7343970 |
Real time optimization of well production without creating undue risk of formation instability |
Mar. 18, 2008 |
| 7325597 |
Safety valve apparatus for downhole pressure transmission systems |
Feb. 5, 2008 |
| 7311142 |
Apparatus and method for aquiring information while drilling |
Dec. 25, 2007 |
| 7290601 |
Braided thermocouple cable bundle |
Nov. 6, 2007 |
| 7270179 |
Method for stimulation of liquid flow in a well |
Sep. 18, 2007 |
| 7261168 |
Methods and apparatus for using formation property data |
Aug. 28, 2007 |
| 7201226 |
Downhole measurement system and method |
Apr. 10, 2007 |
| 7181380 |
System and process for optimal selection of hydrocarbon well completion type and design |
Feb. 20, 2007 |
| 7172020 |
Oil production optimization and enhanced recovery method and apparatus for oil fields with high gas-to-oil ratio |
Feb. 6, 2007 |
| 7168487 |
Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore |
Jan. 30, 2007 |
| 7143826 |
Method for determining sand free production rate and simultaneously completing a borehole |
Dec. 5, 2006 |
| 7114562 |
Apparatus and method for acquiring information while drilling |
Oct. 3, 2006 |
| 7093662 |
System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud |
Aug. 22, 2006 |
| 7073580 |
Inflation tool with real-time temperature and pressure probes |
Jul. 11, 2006 |
| 7059405 |
Methods of treating subterranean formations using low-molecular-weight fluids |
Jun. 13, 2006 |
| 7062420 |
Production optimization methodology for multilayer commingled reservoirs using commingled reservoir production performance data and production logging information |
Jun. 13, 2006 |
| 7031841 |
Method for determining pressure of earth formations |
Apr. 18, 2006 |
| 6994160 |
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range |
Feb. 7, 2006 |
| 6988547 |
Method and system of fluid analysis and control in hydrocarbon well |
Jan. 24, 2006 |
| 6959762 |
Method and apparatus for formation damage removal |
Nov. 1, 2005 |
| 6926080 |
Operation method of an oil well pumping unit for well development and device for performing said operation method |
Aug. 9, 2005 |
| 6923258 |
In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
Aug. 2, 2005 |
| 6918442 |
In situ thermal processing of an oil shale formation in a reducing environment |
Jul. 19, 2005 |
| 6896074 |
System and method for installation and use of devices in microboreholes |
May. 24, 2005 |
| 6886631 |
Inflation tool with real-time temperature and pressure probes |
May. 3, 2005 |
| 6863128 |
Method of predicting friction pressure drop of proppant-laden slurries using surface pressure data |
Mar. 8, 2005 |
| 6860325 |
Downhole flow meter |
Mar. 1, 2005 |
| 6814142 |
Well control using pressure while drilling measurements |
Nov. 9, 2004 |
| 6808028 |
Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore |
Oct. 26, 2004 |
| 6755247 |
Fluid property sensors and associated methods of calibrating sensors in a subterranean well |
Jun. 29, 2004 |
| 6729396 |
In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |
May. 4, 2004 |
| 6722429 |
In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas |
Apr. 20, 2004 |
| 6708758 |
In situ thermal processing of a coal formation leaving one or more selected unprocessed areas |
Mar. 23, 2004 |
| 6705398 |
Fracture closure pressure determination |
Mar. 16, 2004 |
| 6695052 |
Technique for sensing flow related parameters when using an electric submersible pumping system to produce a desired fluid |
Feb. 24, 2004 |
| 6675914 |
Pressure reading tool |
Jan. 13, 2004 |
| 6629564 |
Downhole flow meter |
Oct. 7, 2003 |
| 6609568 |
Closed-loop drawdown apparatus and method for in-situ analysis of formation fluids |
Aug. 26, 2003 |
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