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Class Information
Number: 73/152.24
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 > From formation wall
Description: Subject matter wherein the sample is taken of fluid flowing from the formation into the borehole.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7581440 |
Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation |
Sep. 1, 2009 |
| 7568521 |
Wellbore formation evaluation system and method |
Aug. 4, 2009 |
| 7565835 |
Method and apparatus for balanced pressure sampling |
Jul. 28, 2009 |
| 7428925 |
Wellbore formation evaluation system and method |
Sep. 30, 2008 |
| 7416023 |
Formation pressure testing apparatus with flexible member and method of formation pressure testing |
Aug. 26, 2008 |
| 7395703 |
Formation testing apparatus and method for smooth draw down |
Jul. 8, 2008 |
| 7380599 |
Apparatus and method for characterizing a reservoir |
Jun. 3, 2008 |
| 7363972 |
Method and apparatus for well testing |
Apr. 29, 2008 |
| 7317989 |
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
Jan. 8, 2008 |
| 7260985 |
Formation tester tool assembly and methods of use |
Aug. 28, 2007 |
| 7243536 |
Formation fluid sampling apparatus and method |
Jul. 17, 2007 |
| 7222524 |
Method and apparatus for determining an optimal pumping rate based on a downhole dew point pressure determination |
May. 29, 2007 |
| 7222671 |
Apparatus and method for formation evaluation |
May. 29, 2007 |
| 7210344 |
Method for measuring formation properties with a time-limited formation test |
May. 1, 2007 |
| 7195063 |
Downhole sampling apparatus and method for using same |
Mar. 27, 2007 |
| 7194902 |
Apparatus and method for formation evaluation |
Mar. 27, 2007 |
| 7162918 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Jan. 16, 2007 |
| 7155967 |
Formation testing apparatus and method |
Jan. 2, 2007 |
| 7140436 |
Apparatus and method for controlling the pressure of fluid within a sample chamber |
Nov. 28, 2006 |
| 7117734 |
Method for measuring formation properties with a time-limited formation test |
Oct. 10, 2006 |
| 7090012 |
Method and apparatus for subsurface fluid sampling |
Aug. 15, 2006 |
| 7037724 |
Method for storing and transporting crude oil |
May. 2, 2006 |
| 7036579 |
Method for measuring formation properties with a time-limited formation test |
May. 2, 2006 |
| 6966234 |
Real-time monitoring and control of reservoir fluid sample capture |
Nov. 22, 2005 |
| 6964301 |
Method and apparatus for subsurface fluid sampling |
Nov. 15, 2005 |
| 6941804 |
Determining the PVT properties of a hydrocarbon reservoir fluid |
Sep. 13, 2005 |
| 6938470 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Sep. 6, 2005 |
| 6923052 |
Methods to detect formation pressure |
Aug. 2, 2005 |
| 6893874 |
Method for storing and transporting crude oil |
May. 17, 2005 |
| 6837314 |
Sub apparatus with exchangeable modules and associated method |
Jan. 4, 2005 |
| 6786086 |
Determining the in situ effective mobility and the effective permeabilty of a formation |
Sep. 7, 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 |
| 6672386 |
Method for in-situ analysis of formation parameters |
Jan. 6, 2004 |
| 6467340 |
Asphaltenes monitoring and control system |
Oct. 22, 2002 |
| 6343507 |
Method to improve the quality of a formation fluid sample |
Feb. 5, 2002 |
| 6164126 |
Earth formation pressure measurement with penetrating probe |
Dec. 26, 2000 |
| 6058773 |
Apparatus and method for sampling formation fluids above the bubble point in a low permeability, high pressure formation |
May. 9, 2000 |
| 6058772 |
Sampling device |
May. 9, 2000 |
| 5803186 |
Formation isolation and testing apparatus and method |
Sep. 8, 1998 |
| 5775424 |
Depth-discrete sampling port |
Jul. 7, 1998 |
| 5703286 |
Method of formation testing |
Dec. 30, 1997 |
| 5689068 |
Determination of the porosity and permeability of a geological formation from an electrofiltering phenomenon |
Nov. 18, 1997 |
| 5663499 |
Method for estimating permeability from multi-array induction logs |
Sep. 2, 1997 |
| 5587525 |
Formation fluid flow rate determination method and apparatus for electric wireline formation testing tools |
Dec. 24, 1996 |
| 5546798 |
Method and composition for preserving core sample integrity using a water soluble encapsulating material |
Aug. 20, 1996 |
| 5497658 |
Method for fracturing a formation to control sand production |
Mar. 12, 1996 |
| 5416024 |
Obtaining collective fluid inclusion volatiles for inclusion composition mapping of earth's subsurface |
May. 16, 1995 |
| 5361631 |
Apparatus and methods for determining the shear stress required for removing drilling fluid deposits |
Nov. 8, 1994 |
| 5341100 |
Electromagnetic wave method and apparatus for downhole measurement of fluid conductivity and hydrocarbon volume during formation testing |
Aug. 23, 1994 |
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