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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 |
| 7606666 |
System and method for performing oilfield drilling operations using visualization techniques |
Oct. 20, 2009 |
| 7598886 |
System and method for wirelessly communicating with a downhole drill string |
Oct. 6, 2009 |
| 7594551 |
Downhole supercharger process |
Sep. 29, 2009 |
| 7581440 |
Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation |
Sep. 1, 2009 |
| 7584056 |
Multiple suppression in angle domain time and depth migration |
Sep. 1, 2009 |
| 7578359 |
Downhole acoustic source |
Aug. 25, 2009 |
| 7571777 |
Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
Aug. 11, 2009 |
| 7567869 |
Induction tool for detail evaluation of near borehole zone |
Jul. 28, 2009 |
| 7554329 |
Method and apparatus for determining formation resistivity ahead of the bit and azimuthal at the bit |
Jun. 30, 2009 |
| 7546885 |
Apparatus and method for obtaining downhole samples |
Jun. 16, 2009 |
| 7546209 |
Formation dip geo-steering method |
Jun. 9, 2009 |
| 7536262 |
Kalman filter approach to processing electromagnetic data |
May. 19, 2009 |
| 7535696 |
Method of mounting a power distribution apparatus in a rack |
May. 19, 2009 |
| 7526930 |
Method system and program storage device for synchronizing displays relative to a point in time |
May. 5, 2009 |
| 7527109 |
Locating apparatus and system |
May. 5, 2009 |
| 7520324 |
Completion apparatus for measuring streaming potentials and determining earth formation characteristics |
Apr. 21, 2009 |
| 7516802 |
Assembly and method for determining thermal properties of a formation and forming a liner |
Apr. 14, 2009 |
| 7490664 |
Drilling, perforating and formation analysis |
Feb. 17, 2009 |
| 7487047 |
Method of interpreting well data |
Feb. 3, 2009 |
| 7466136 |
While-drilling methodology for determining earth formation characteristics and other useful information based upon streaming potential measurements |
Dec. 16, 2008 |
| 7438128 |
Identifying zones of origin of annular gas pressure |
Oct. 21, 2008 |
| 7426968 |
Drill bit assembly with a probe |
Sep. 23, 2008 |
| 7410011 |
Method to determine the concentration of deuterium oxide in a subterranean formation |
Aug. 12, 2008 |
| 7404456 |
Apparatus and method of identifying rock properties while drilling |
Jul. 29, 2008 |
| 7403857 |
Enhanced measurement of azimuthal dependence of subterranean parameters with filters and/or discretely sampled data |
Jul. 22, 2008 |
| 7400978 |
Method for updating a geologic model by seismic data |
Jul. 15, 2008 |
| 7398837 |
Drill bit assembly with a logging device |
Jul. 15, 2008 |
| 7395879 |
MWD formation tester |
Jul. 8, 2008 |
| 7388380 |
While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics and other useful information |
Jun. 17, 2008 |
| 7350568 |
Logging a well |
Apr. 1, 2008 |
| 7293613 |
Logging-while-coring method and apparatus |
Nov. 13, 2007 |
| 7275593 |
Gripper assembly for downhole tools |
Oct. 2, 2007 |
| 7261168 |
Methods and apparatus for using formation property data |
Aug. 28, 2007 |
| 7258175 |
Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties and wellbore geometry |
Aug. 21, 2007 |
| 7228902 |
High data rate borehole telemetry system |
Jun. 12, 2007 |
| 7224288 |
Link module for a downhole drilling network |
May. 29, 2007 |
| 7207397 |
Multi-pole transmitter source |
Apr. 24, 2007 |
| 7191851 |
Unattended ground sensor assembly |
Mar. 20, 2007 |
| 7185715 |
Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha |
Mar. 6, 2007 |
| 7187784 |
Borescope for drilled shaft inspection |
Mar. 6, 2007 |
| 7178608 |
While drilling system and method |
Feb. 20, 2007 |
| 7178607 |
While drilling system and method |
Feb. 20, 2007 |
| 7178591 |
Apparatus and method for formation evaluation |
Feb. 20, 2007 |
| 7168487 |
Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore |
Jan. 30, 2007 |
| 7168506 |
On-bit, analog multiplexer for transmission of multi-channel drilling information |
Jan. 30, 2007 |
| 7168507 |
Recalibration of downhole sensors |
Jan. 30, 2007 |
| 7168508 |
Logging-while-coring method and apparatus |
Jan. 30, 2007 |
| 7162918 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Jan. 16, 2007 |
| 7151254 |
Logging tool with response invariant to changes in borehole pressure |
Dec. 19, 2006 |
| 7143826 |
Method for determining sand free production rate and simultaneously completing a borehole |
Dec. 5, 2006 |
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