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Class Information
Number: 73/152.45
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > During drilling > Drill depth rate > Electronic processing or electronic recording
Description: Subject matter including either a device which works by the emission, the behavior, or the effect of electrons and wherein the device either (a) operates on data pertaining to the determination of the characteristic of the borehole, the casing, or the drill rigging, or (b) makes a permanent record of the determination of the characteristic of the borehole, the casing, or the drill rigging.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7510026 |
Method and apparatus for collecting drill bit performance data |
Mar. 31, 2009 |
| 7506695 |
Method and apparatus for collecting drill bit performance data |
Mar. 24, 2009 |
| 7497276 |
Method and apparatus for collecting drill bit performance data |
Mar. 3, 2009 |
| 7350410 |
System and method for measurements of depth and velocity of instrumentation within a wellbore |
Apr. 1, 2008 |
| 6915686 |
Downhole sub for instrumentation |
Jul. 12, 2005 |
| 6854535 |
Bore location system and method of calibration |
Feb. 15, 2005 |
| 6601658 |
Control method for use with a steerable drilling system |
Aug. 5, 2003 |
| 6405136 |
Data compression method for use in wellbore and formation characterization |
Jun. 11, 2002 |
| 6363780 |
Method and system for detecting the longitudinal displacement of a drill bit |
Apr. 2, 2002 |
| 6324904 |
Miniature pump-through sensor modules |
Dec. 4, 2001 |
| 6321596 |
System and method for measuring and controlling rotation of coiled tubing |
Nov. 27, 2001 |
| 6208265 |
Electromagnetic signal pickup apparatus and method for use of same |
Mar. 27, 2001 |
| 5896939 |
Downhole measurement of depth |
Apr. 27, 1999 |
| 5852235 |
Method and system for real-time estimation of at least one parameter linked with the displacement of a drill bit |
Dec. 22, 1998 |
| 5844132 |
Method and system for real-time estimation of at least one parameter linked with the behavior of a downhole tool |
Dec. 1, 1998 |
| 5551286 |
Determination of drill bit rate of penetration from surface measurements |
Sep. 3, 1996 |
| 5415030 |
Method for evaluating formations and bit conditions |
May. 16, 1995 |
| 4976143 |
System and method for monitoring drill bit depth |
Dec. 11, 1990 |
| 4951505 |
Block position sensor |
Aug. 28, 1990 |
| 4876886 |
Method for detecting drilling events from measurement while drilling sensors |
Oct. 31, 1989 |
| 4852399 |
Method for determining drilling conditions while drilling |
Aug. 1, 1989 |
| 4852052 |
Kelly-to-riser position determining system with adjustment for uncompensated heave |
Jul. 25, 1989 |
| 4843875 |
Procedure for measuring the rate of penetration of a drill bit |
Jul. 4, 1989 |
| 4831871 |
Process and apparatus for calculation of the instantaneous speed of a tool |
May. 23, 1989 |
| 4773263 |
Method of analyzing vibrations from a drilling bit in a borehole |
Sep. 27, 1988 |
| 4736297 |
Continuous real time drilling penetration rate recorder |
Apr. 5, 1988 |
| 4647853 |
Mud turbine tachometer |
Mar. 3, 1987 |
| 4616321 |
Drilling rig monitoring system |
Oct. 7, 1986 |
| 4610005 |
Video borehole depth measuring system |
Sep. 2, 1986 |
| 4570234 |
Oilfield monitor and recorder |
Feb. 11, 1986 |
| 4512186 |
Drill rate and gas monitoring system |
Apr. 23, 1985 |
| 4387295 |
Pneumatic penetration sensor for oil drilling |
Jun. 7, 1983 |
| 4354233 |
Rotary drill automatic control system |
Oct. 12, 1982 |
| 4195699 |
Drilling optimization searching and control method |
Apr. 1, 1980 |
| 4156467 |
Well drilling system |
May. 29, 1979 |
| 4114435 |
Well drilling system |
Sep. 19, 1978 |
| 4099410 |
Rate of penetration recorder |
Jul. 11, 1978 |
| 3982432 |
Well monitoring and analyzing system |
Sep. 28, 1976 |
| 3931735 |
Methods and apparatus for measuring the rate of penetration in well drilling from floating platforms |
Jan. 13, 1976 |
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