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Class Information
Number: 33/313
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Borehole direction or inclination > Inclination and direction indications
Description: Device including means for determining both the bearing of the borehole and the deviation of the borehole from the vertical.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7414405 |
Measurement tool for obtaining tool face on a rotating drill collar |
Aug. 19, 2008 |
| 7386942 |
Method and apparatus for mapping the trajectory in the subsurface of a borehole |
Jun. 17, 2008 |
| 7363717 |
System and method for using rotation sensors within a borehole |
Apr. 29, 2008 |
| 7350594 |
System and method for tracking and communicating with a boring tool |
Apr. 1, 2008 |
| 7243719 |
Control method for downhole steering tool |
Jul. 17, 2007 |
| 7234540 |
Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis |
Jun. 26, 2007 |
| 7225550 |
System and method for using microgyros to measure the orientation of a survey tool within a borehole |
Jun. 5, 2007 |
| 7150331 |
System and method for tracking and communicating with a boring tool |
Dec. 19, 2006 |
| 7143521 |
Determination of borehole azimuth and the azimuthal dependence of borehole parameters |
Dec. 5, 2006 |
| 7117605 |
System and method for using microgyros to measure the orientation of a survey tool within a borehole |
Oct. 10, 2006 |
| 7103982 |
Determination of borehole azimuth and the azimuthal dependence of borehole parameters |
Sep. 12, 2006 |
| 7093370 |
Multi-gimbaled borehole navigation system |
Aug. 22, 2006 |
| 7080460 |
Determining a borehole azimuth from tool face measurements |
Jul. 25, 2006 |
| 7002484 |
Supplemental referencing techniques in borehole surveying |
Feb. 21, 2006 |
| 6918186 |
Compact navigation system and method |
Jul. 19, 2005 |
| 6895678 |
Borehole navigation system |
May. 24, 2005 |
| 6883240 |
Borehole surveying |
Apr. 26, 2005 |
| 6871410 |
Autonomous apparatus and method for acquiring borehole deviation data |
Mar. 29, 2005 |
| 6845563 |
Method and device for the measurement of the drift of a borchole |
Jan. 25, 2005 |
| 6823602 |
Continuous measurement-while-drilling surveying |
Nov. 30, 2004 |
| 6668465 |
Continuous measurement-while-drilling surveying |
Dec. 30, 2003 |
| 6631563 |
Survey apparatus and methods for directional wellbore surveying |
Oct. 14, 2003 |
| 6588116 |
Method for drilling under rivers and other obstacles |
Jul. 8, 2003 |
| 6530154 |
Method to detect deviations from a wellplan while drilling in the presence of magnetic interference |
Mar. 11, 2003 |
| 6487782 |
Method and apparatus for use in creating a magnetic declination profile for a borehole |
Dec. 3, 2002 |
| 6460630 |
Method and rock drilling apparatus for controlling rock drilling |
Oct. 8, 2002 |
| 6454023 |
Mapping tool for tracking and/or guiding an underground boring tool |
Sep. 24, 2002 |
| 6321456 |
Method of surveying a bore hole |
Nov. 27, 2001 |
| 6227310 |
Method and apparatus for providing a magnetic direction reference |
May. 8, 2001 |
| 6108921 |
Scraper for determining the position of pipelines |
Aug. 29, 2000 |
| 6041509 |
Method and device for determining a space position of the axis of a cased well |
Mar. 28, 2000 |
| 6008757 |
Surveying probe and method for computing the spatial coordinates of a point |
Dec. 28, 1999 |
| 5806195 |
Rate gyro wells survey system including nulling system |
Sep. 15, 1998 |
| 5806194 |
Method for conducting moving or rolling check shot for correcting borehole azimuth surveys |
Sep. 15, 1998 |
| 5657547 |
Rate gyro wells survey system including nulling system |
Aug. 19, 1997 |
| 5646611 |
System and method for indirectly determining inclination at the bit |
Jul. 8, 1997 |
| 5564193 |
Method of correcting for axial and transverse error components in magnetometer readings during wellbore survey operations |
Oct. 15, 1996 |
| 5452518 |
Method of correcting for axial error components in magnetometer readings during wellbore survey operations |
Sep. 26, 1995 |
| 5435069 |
Method for determining borehole direction |
Jul. 25, 1995 |
| 5398421 |
Method for connecting magnetic measurements performed in a well through a measuring device in order to determine the azimuth thereof |
Mar. 21, 1995 |
| 5331578 |
Procedure for measuring angles and trajectories by means of gyros and inertial systems |
Jul. 19, 1994 |
| 5322441 |
Method and apparatus for providing a portable visual display |
Jun. 21, 1994 |
| 5321893 |
Calibration correction method for magnetic survey tools |
Jun. 21, 1994 |
| 5194859 |
Apparatus and method for positioning a tool in a deviated section of a borehole |
Mar. 16, 1993 |
| 5174033 |
Angle sensor for a steerable boring tool |
Dec. 29, 1992 |
| 5172480 |
Borehole deviation monitor |
Dec. 22, 1992 |
| 5155916 |
Error reduction in compensation of drill string interference for magnetic survey tools |
Oct. 20, 1992 |
| 5128867 |
Method and apparatus for determining inclination angle of a borehole while drilling |
Jul. 7, 1992 |
| RE33708 |
Surveying of boreholes using shortened non-magnetic collars |
Oct. 8, 1991 |
| 5012412 |
Method and apparatus for measurement of azimuth of a borehole while drilling |
Apr. 30, 1991 |
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