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Class Information
Number: 73/152.23
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > Fluid flow measuring or fluid analysis > With sampling
Description: Subject matter including means for obtaining a predetermined portion of the fluid to be tested.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7596995 |
Single phase fluid sampling apparatus and method for use of same |
Oct. 6, 2009 |
| 7520158 |
Method and apparatus for reservoir characterization using photoacoustic spectroscopy |
Apr. 21, 2009 |
| 7516654 |
Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents |
Apr. 14, 2009 |
| 7484563 |
Formation evaluation system and method |
Feb. 3, 2009 |
| 7472589 |
Single phase fluid sampling apparatus and method for use of same |
Jan. 6, 2009 |
| 7438128 |
Identifying zones of origin of annular gas pressure |
Oct. 21, 2008 |
| 7395691 |
Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration |
Jul. 8, 2008 |
| 7373812 |
Apparatus for sampling and logging on all producing zones of a well |
May. 20, 2008 |
| 7240546 |
Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents |
Jul. 10, 2007 |
| 7234521 |
Method and apparatus for pumping quality control through formation rate analysis techniques |
Jun. 26, 2007 |
| 7231819 |
Chemical sensor for wellbore applications |
Jun. 19, 2007 |
| 7210344 |
Method for measuring formation properties with a time-limited formation test |
May. 1, 2007 |
| 7210342 |
Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration |
May. 1, 2007 |
| 7210343 |
Method and apparatus for obtaining a micro sample downhole |
May. 1, 2007 |
| 7197923 |
Single phase fluid sampler systems and associated methods |
Apr. 3, 2007 |
| 7191672 |
Single phase sampling apparatus and method |
Mar. 20, 2007 |
| 7178391 |
Insertion tube methods and apparatus |
Feb. 20, 2007 |
| 7155967 |
Formation testing apparatus and method |
Jan. 2, 2007 |
| 7100689 |
Sensor apparatus and method of using same |
Sep. 5, 2006 |
| 7062958 |
Receptacle for sampling downhole |
Jun. 20, 2006 |
| 7032444 |
Module for extracting gas from an underground liquid and installation equipped therewith |
Apr. 25, 2006 |
| 7025138 |
Method and apparatus for hydrogen sulfide monitoring |
Apr. 11, 2006 |
| 7008793 |
Method and device for taking a sample of an emulsion circulating in a line |
Mar. 7, 2006 |
| 6941804 |
Determining the PVT properties of a hydrocarbon reservoir fluid |
Sep. 13, 2005 |
| 6938691 |
Portable groundwater sampling system |
Sep. 6, 2005 |
| 6923052 |
Methods to detect formation pressure |
Aug. 2, 2005 |
| 6865933 |
Multi-level monitoring well |
Mar. 15, 2005 |
| 6845657 |
Apparatus for sampling drill hole cuttings |
Jan. 25, 2005 |
| 6826972 |
Lysimeter methods and apparatus |
Dec. 7, 2004 |
| 6823721 |
Method and system for mass flow balance accounting |
Nov. 30, 2004 |
| 6758090 |
Method and apparatus for the detection of bubble point pressure |
Jul. 6, 2004 |
| 6745835 |
Method and apparatus for pressure controlled downhole sampling |
Jun. 8, 2004 |
| 6662644 |
Formation fluid sampling and hydraulic testing tool |
Dec. 16, 2003 |
| 6499344 |
Apparatus and method to obtain representative samples of oil well production |
Dec. 31, 2002 |
| 6435021 |
Process for verifying the effectiveness of drilling fluids in stabilizing oil well walls |
Aug. 20, 2002 |
| 6430994 |
Process for the continuous determination of the interaction between drilling fluids and shale formations |
Aug. 13, 2002 |
| 6415659 |
Method for analyzing purge water |
Jul. 9, 2002 |
| 6408691 |
Well monitoring system |
Jun. 25, 2002 |
| 6301959 |
Focused formation fluid sampling probe |
Oct. 16, 2001 |
| 6232598 |
Process and devices for characterizing ground water measurement points by distinguishing ground water from subterranean water accumulation |
May. 15, 2001 |
| 6194216 |
Method for determination of amine-based additives in drilling fluid filtrates |
Feb. 27, 2001 |
| 6164127 |
Well flowmeter and down-hole sampler |
Dec. 26, 2000 |
| 6148914 |
Sampling hydrocarbons in a well using a flexible bag |
Nov. 21, 2000 |
| 6092416 |
Downholed system and method for determining formation properties |
Jul. 25, 2000 |
| 6029744 |
Method and apparatus for retrieving fluid samples during drill stem tests |
Feb. 29, 2000 |
| 5905036 |
Characterization of organic contaminants and assessment of remediation performance in subsurface formations |
May. 18, 1999 |
| 5901788 |
Well fluid sampling tool and well fluid sampling method |
May. 11, 1999 |
| 5775424 |
Depth-discrete sampling port |
Jul. 7, 1998 |
| 5759859 |
Sensor and method for detecting trace underground energetic materials |
Jun. 2, 1998 |
| 5686299 |
Method and apparatus for determining nutrient stimulation of biological processes |
Nov. 11, 1997 |
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