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Class Information
Number: 166/250.01
Name: Wells > Processes > With indicating, testing, measuring or locating
Description: Process including a step of: providing evidence of a condition; e.g., leak, oil-gas interface; performing an analysis; e.g., downhole pressure; counting; or determining the position of an object or formation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5996690 |
Apparatus for controlling and monitoring a downhole oil/water separator |
Dec. 7, 1999 |
| 5995020 |
Downhole power and communication system |
Nov. 30, 1999 |
| 5992519 |
Real time monitoring and control of downhole reservoirs |
Nov. 30, 1999 |
| 5954452 |
In situ remediation of underground organic pollution |
Sep. 21, 1999 |
| 5952569 |
Alarm system for wellbore site |
Sep. 14, 1999 |
| 5947213 |
Downhole tools using artificial intelligence based control |
Sep. 7, 1999 |
| 5947199 |
Method of monitoring a mineral reservoir |
Sep. 7, 1999 |
| 5931237 |
Soil testing assemblies |
Aug. 3, 1999 |
| 5905036 |
Characterization of organic contaminants and assessment of remediation performance in subsurface formations |
May. 18, 1999 |
| 5888022 |
Method and system for treating bio-degradable waste material through aerobic degradation |
Mar. 30, 1999 |
| 5871047 |
Method for determining well productivity using automatic downtime data |
Feb. 16, 1999 |
| 5864057 |
Method and apparatus for conducting well production tests |
Jan. 26, 1999 |
| 5859367 |
Method for determining sedimentary rock pore pressure caused by effective stress unloading |
Jan. 12, 1999 |
| 5856790 |
Remote control for a plug-dropping head |
Jan. 5, 1999 |
| 5850879 |
Method of comminicating data through a slickline of other single cable suspension element |
Dec. 22, 1998 |
| 5829520 |
Method and apparatus for testing, completion and/or maintaining wellbores using a sensor device |
Nov. 3, 1998 |
| 5826654 |
Measuring recording and retrieving data on coiled tubing system |
Oct. 27, 1998 |
| 5823261 |
Well-pump alignment system |
Oct. 20, 1998 |
| 5804713 |
Apparatus for sensor installations in wells |
Sep. 8, 1998 |
| 5787050 |
Well test imaging |
Jul. 28, 1998 |
| 5784004 |
Apparatuses and systems for reducing power consumption in remote sensing applications |
Jul. 21, 1998 |
| 5767680 |
Method for sensing and estimating the shape and location of oil-water interfaces in a well |
Jun. 16, 1998 |
| 5680899 |
Electronic wellhead apparatus for measuring properties of multiphase flow |
Oct. 28, 1997 |
| 5678981 |
Method to control sucker rod pump |
Oct. 21, 1997 |
| 5662165 |
Production wells having permanent downhole formation evaluation sensors |
Sep. 2, 1997 |
| 5660238 |
Switch actuator and flow restrictor pilot valve assembly for measurement while drilling tools |
Aug. 26, 1997 |
| 5661233 |
Acoustic-wave sensor apparatus for analyzing a petroleum-based composition and sensing solidification of constituents therein |
Aug. 26, 1997 |
| 5647435 |
Containment of downhole electronic systems |
Jul. 15, 1997 |
| 5646379 |
Attentuator for borehole acoustic waves |
Jul. 8, 1997 |
| 5639380 |
System for automating groundwater recovery controlled by monitoring parameters in monitoring wells |
Jun. 17, 1997 |
| 5637795 |
Apparatus and test methodology for measurement of bit/stabilizer balling phenomenon in the laboratory |
Jun. 10, 1997 |
| 5635636 |
Method of determining inflow rates from underbalanced wells |
Jun. 3, 1997 |
| 5623992 |
Method and system for decontaminating soils and groundwater of gasoline |
Apr. 29, 1997 |
| 5612493 |
Method of determining gas-oil ratios from producing oil wells |
Mar. 18, 1997 |
| 5610331 |
Thermal imager for fluids in a wellbore |
Mar. 11, 1997 |
| 5607015 |
Method and apparatus for installing acoustic sensors in a wellbore |
Mar. 4, 1997 |
| 5597042 |
Method for controlling production wells having permanent downhole formation evaluation sensors |
Jan. 28, 1997 |
| 5586608 |
Method of making an anti-bit balling well fluid using a polyol having a cloud point, and method of drilling |
Dec. 24, 1996 |
| 5585555 |
Borehole strainmeter |
Dec. 17, 1996 |
| 5579842 |
Bottomhole data acquisition system for fracture/packing mechanisms |
Dec. 3, 1996 |
| 5577558 |
In-well device for in situ removal of underground contaminants |
Nov. 26, 1996 |
| 5555220 |
Slickline conveyed wellbore seismic receiver |
Sep. 10, 1996 |
| 5551287 |
Method of monitoring fluids entering a wellbore |
Sep. 3, 1996 |
| 5548563 |
Well test imaging |
Aug. 20, 1996 |
| 5520483 |
Method and system for remediation of groundwater contamination |
May. 28, 1996 |
| 5509474 |
Temperature logging for flow outside casing of wells |
Apr. 23, 1996 |
| 5505259 |
Measuring device and method in a hydrocarbon production well |
Apr. 9, 1996 |
| 5501272 |
Multi-sensor relief valve well test system |
Mar. 26, 1996 |
| 5497658 |
Method for fracturing a formation to control sand production |
Mar. 12, 1996 |
| 5492175 |
Method for determining closure of a hydraulically induced in-situ fracture |
Feb. 20, 1996 |
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