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Class Information
Number: 175/50
Name: Boring or penetrating the earth > With signaling, indicating, testing or measuring > Indicating, testing or measuring a condition of the formation
Description: Subject matter comprising a step or means for determining the characteristics of the earth formation traversed by a boring tool.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8439130 |
Method and apparatus for seismic data acquisition during drilling operations |
May. 14, 2013 |
| 8434356 |
Fluid density from downhole optical measurements |
May. 7, 2013 |
| 8433520 |
Job monitoring methods and apparatus for logging-while-drilling equipment |
Apr. 30, 2013 |
| 8417457 |
Borehole stress module and methods for use |
Apr. 9, 2013 |
| 8408355 |
Enclosures for containing transducers and electronics on a downhole tool |
Apr. 2, 2013 |
| 8397836 |
Pressure and flow control in drilling operations |
Mar. 19, 2013 |
| 8387722 |
Strength (UCS) of carbonates using compressional and shear acoustic velocities |
Mar. 5, 2013 |
| 8390295 |
Method and apparatus for focusing in resistivity measurement tools using independent electrical sources |
Mar. 5, 2013 |
| 8392120 |
Method and tool for determination of fracture geometry in subterranean formations based on in-situ neutron activation analysis |
Mar. 5, 2013 |
| 8380435 |
Windowed statistical analysis for anomaly detection in geophysical datasets |
Feb. 19, 2013 |
| 8347959 |
Method and system for increasing production of a reservoir |
Jan. 8, 2013 |
| 8340912 |
Seismic attributes for structural analysis |
Dec. 25, 2012 |
| 8321132 |
Combining LWD measurements from different azimuths |
Nov. 27, 2012 |
| 8316964 |
Drill bit transducer device |
Nov. 27, 2012 |
| 8302687 |
Apparatus for measuring streaming potentials and determining earth formation characteristics |
Nov. 6, 2012 |
| 8305083 |
Calibration method for a microresistivity logging tool |
Nov. 6, 2012 |
| 8286730 |
Pressure and flow control in drilling operations |
Oct. 16, 2012 |
| 8290711 |
Method of estimating the fracture density in a rock medium |
Oct. 16, 2012 |
| 8278928 |
Apparatus and method for detection of position of a component in an earth formation |
Oct. 2, 2012 |
| 8279708 |
Measurement method for a granular compaction pile using crosshole seismic testing |
Oct. 2, 2012 |
| 8272438 |
System and method for robustly and accurately obtaining a pore pressure measurement of a subsurface formation penetrated by a wellbore |
Sep. 25, 2012 |
| 8267197 |
Apparatus and methods for controlling bottomhole assembly temperature during a pause in drilling boreholes |
Sep. 18, 2012 |
| 8261855 |
Methods and systems for drilling boreholes |
Sep. 11, 2012 |
| 8261856 |
Methods and systems for drilling boreholes |
Sep. 11, 2012 |
| 8256565 |
Enclosures for containing transducers and electronics on a downhole tool |
Sep. 4, 2012 |
| 8251160 |
Measurement while drilling apparatus and method of using the same |
Aug. 28, 2012 |
| 8237584 |
Changing communication priorities for downhole LWD/MWD applications |
Aug. 7, 2012 |
| 8215384 |
Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor |
Jul. 10, 2012 |
| 8219319 |
Workflow for petrophysical and geophysical formation evaluation of wireline and LWD log data |
Jul. 10, 2012 |
| 8203908 |
Intelligent efficient servo-actuator for a downhole pulser |
Jun. 19, 2012 |
| 8171990 |
In-situ formation strength testing with coring |
May. 8, 2012 |
| 8162080 |
Apparatus and methods for continuous coring |
Apr. 24, 2012 |
| 8162076 |
System and method for reducing the borehole gap for downhole formation testing sensors |
Apr. 24, 2012 |
| 8136591 |
Method and system for using wireline configurable wellbore instruments with a wired pipe string |
Mar. 20, 2012 |
| 8132452 |
Method for sampling fluid from a well with a gas trap |
Mar. 13, 2012 |
| 8130117 |
Drill bit with an electrically isolated transmitter |
Mar. 6, 2012 |
| 8126646 |
Perforating optimized for stress gradients around wellbore |
Feb. 28, 2012 |
| 8113280 |
Formation tester tool assembly |
Feb. 14, 2012 |
| 8096370 |
Apparatus and method for producing soil elements underground |
Jan. 17, 2012 |
| 8082105 |
Method and apparatus for measuring in-situ stress of rock using thermal crack |
Dec. 20, 2011 |
| 8074511 |
Use of flexible member for borehole diameter measurement |
Dec. 13, 2011 |
| 8069932 |
Method and apparatus for determining formation pararmeters using a seismic tool array |
Dec. 6, 2011 |
| 8061442 |
Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well |
Nov. 22, 2011 |
| 8061444 |
Methods and apparatus to form a well |
Nov. 22, 2011 |
| 8061443 |
Downhole sample rate system |
Nov. 22, 2011 |
| 8060311 |
Job monitoring methods and apparatus for logging-while-drilling equipment |
Nov. 15, 2011 |
| 8031081 |
Wireless telemetry between wellbore tools |
Oct. 4, 2011 |
| 8020633 |
Simultaneous drilling and open hole wireline logging for drilling rigs |
Sep. 20, 2011 |
| 8011454 |
Apparatus and methods for continuous tomography of cores |
Sep. 6, 2011 |
| 8011446 |
Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
Sep. 6, 2011 |
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