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Class Information
Number: 73/152.29
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > Fluid flow measuring or fluid analysis > Rate of fluid flow
Description: Subject matter wherein the determination of the characteristic of the borehole, the casing, or the drill rigging is made by measuring a speed of flow, a volume rate of flow, or a mass rate of flow of a fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600419 |
Wellbore production tool and method |
Oct. 13, 2009 |
| 7596996 |
Christmas tree with internally positioned flowmeter |
Oct. 6, 2009 |
| 7574907 |
Apparatus and method for fluid flow measurement with sensor shielding |
Aug. 18, 2009 |
| 7509852 |
Fluid flow measuring device and method of manufacturing thereof |
Mar. 31, 2009 |
| 7475593 |
High temperature near infrared for measurements and telemetry in well boreholes |
Jan. 13, 2009 |
| 7389684 |
Gas lift flow surveillance device |
Jun. 24, 2008 |
| 7114386 |
Method and apparatus for acquiring data in a hydrocarbon well in production |
Oct. 3, 2006 |
| 7110920 |
Water monitoring systems |
Sep. 19, 2006 |
| 7064677 |
Method of monitoring service operations of a service vehicle at a well site |
Jun. 20, 2006 |
| 6928864 |
Tool assembly and monitoring applications using same |
Aug. 16, 2005 |
| 6860325 |
Downhole flow meter |
Mar. 1, 2005 |
| 6851444 |
Closed loop additive injection and monitoring system for oilfield operations |
Feb. 8, 2005 |
| 6832515 |
Method for measuring formation properties with a time-limited formation test |
Dec. 21, 2004 |
| 6820702 |
Automated method and system for recognizing well control events |
Nov. 23, 2004 |
| 6799634 |
Tracer release method for monitoring fluid flow in a well |
Oct. 5, 2004 |
| 6711947 |
Conductive fluid logging sensor and method |
Mar. 30, 2004 |
| 6650280 |
Measurement system and method |
Nov. 18, 2003 |
| 6578634 |
Method of monitoring pumping operations of a service vehicle at a well site |
Jun. 17, 2003 |
| 6532813 |
Method and device for determining a fill level of liquid in a container |
Mar. 18, 2003 |
| 6356205 |
Monitoring, diagnostic, and reporting system and process |
Mar. 12, 2002 |
| 6328103 |
Methods and apparatus for downhole completion cleanup |
Dec. 11, 2001 |
| 6176129 |
Method and apparatus for acquiring data in a hydrocarbon well |
Jan. 23, 2001 |
| 6125934 |
Downhole tool and method for tracer injection |
Oct. 3, 2000 |
| 6076398 |
Method for measuring of flow and flowmeter |
Jun. 20, 2000 |
| 6058771 |
Determination of fluid influx or efflux |
May. 9, 2000 |
| 5970422 |
Method for generating a flow profile of a wellbore from pulsed neutron logs |
Oct. 19, 1999 |
| 5881807 |
Injector for injecting a tracer into an oil or gas reservior |
Mar. 16, 1999 |
| 5861562 |
Flow measurement mandrel |
Jan. 19, 1999 |
| 5804714 |
Flow meter |
Sep. 8, 1998 |
| 5736637 |
Downhole multiphase flow sensor |
Apr. 7, 1998 |
| 5635636 |
Method of determining inflow rates from underbalanced wells |
Jun. 3, 1997 |
| 5631413 |
Fluid holdup tool and flow meter for deviated wells |
May. 20, 1997 |
| 5616841 |
Flow metering device for landfill gas extraction well |
Apr. 1, 1997 |
| 5553492 |
Measuring system for measuring real time groundwater data |
Sep. 10, 1996 |
| 5551287 |
Method of monitoring fluids entering a wellbore |
Sep. 3, 1996 |
| 5463903 |
Torque flowmeter |
Nov. 7, 1995 |
| 5413175 |
Stabilization and control of hot two phase flow in a well |
May. 9, 1995 |
| 5388455 |
Electromagnetic borehole flowmeter system |
Feb. 14, 1995 |
| 5251479 |
Downhole wellbore tool for measuring flow parameters |
Oct. 12, 1993 |
| 5249461 |
Method for testing perforating and testing an open wellbore |
Oct. 5, 1993 |
| 5178006 |
Well velocity logging |
Jan. 12, 1993 |
| 5150750 |
Device for activating and measuring nonflowing producing wells |
Sep. 29, 1992 |
| 5151658 |
Three-dimensional detection system for detecting fractures and their distributions in the earth crust utilizing an artificial magnetic field and magnetic particle tracer |
Sep. 29, 1992 |
| 5072404 |
Method of tracking fluids flowing along a flow path |
Dec. 10, 1991 |
| 4974452 |
Homogenizing and metering the flow of a multiphase mixture of fluids |
Dec. 4, 1990 |
| 4893504 |
Method for determining capillary pressure and relative permeability by imaging |
Jan. 16, 1990 |
| 4884438 |
Method and apparatus for measuring fluid flow parameters through naturally fractured media |
Dec. 5, 1989 |
| 4861986 |
Tracer injection method |
Aug. 29, 1989 |
| 4854164 |
Rod pump optimization system |
Aug. 8, 1989 |
| 4840061 |
Method of detecting a fluid influx which could lead to a blow-out during the drilling of a borehole |
Jun. 20, 1989 |
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