| Patent Number |
Title Of Patent |
Date Issued |
| 8267196 |
Flow guide actuation |
September 18, 2012 |
| In one aspect of the present invention, a downhole drill string assembly comprises a bore there through to receive drilling fluid. A turbine may be disposed within the bore and exposed to the drilling fluid. At least one flow guide may be disposed within the bore and exposed to the d |
| 8237584 |
Changing communication priorities for downhole LWD/MWD applications |
August 7, 2012 |
| In one aspect of the present invention, a method for tool string communication comprises the steps of providing a downhole tool string with at least two downhole LWD/MWD instruments in electrical communication with a downhole telemetry system. The instruments are capable of generatin |
| 8140259 |
Location device with a gravity measuring device |
March 20, 2012 |
| A location device has a gravity measurement instrument in communication with a database which has the locations relative to time of an astronomical object. The location device also has a timepiece indicating the time which may be used to determine the location of the astronomical obj |
| 8130117 |
Drill bit with an electrically isolated transmitter |
March 6, 2012 |
| In one aspect of the invention a downhole drill bit with a body intermediate a shank and a working surface. Extending from the work surface is a wear resistant electric transmitter electrically isolated from the drill bit body. A wear resistant electrically conductive receiver, also |
| 8061784 |
Retention system |
November 22, 2011 |
| A retention assembly, comprises a carbide bolster comprising a cavity formed in its base end. A shaft comprises an inserted end disposed within the cavity. The shaft is disposed within a hollow shank which comprises a first end contacting the bolster and a loaded end in mechanical co |
| 8061443 |
Downhole sample rate system |
November 22, 2011 |
| In one aspect of the invention, a downhole sensor system comprises at least one downhole sensor disposed on or within a downhole component of a tool string. The downhole sensor is adapted to detect at least one characteristic of a downhole formation adjacent the downhole component. T |
| 8033615 |
Retention system |
October 11, 2011 |
| A retention assembly has a carbide bolster with a first and second segment brazed together, each segment forming at least part of a cavity formed of the bolster. A shaft has an inserted end is interlocked within the cavity. |
| 7969819 |
Method for taking time-synchronized seismic measurements |
June 28, 2011 |
| A method for taking seismic measurements that includes a downhole sensor positionable within a tool string located within the bore of a well, the tool string having a network which effects communication with a downhole sensor. The downhole sensor includes a downhole clock that may be pla |
| 7946656 |
Retention system |
May 24, 2011 |
| A retention assembly, comprises a carbide bolster comprising a cavity formed in its base end. A shaft comprises an inserted end disposed within the cavity. The shaft is disposed within a hollow shank which comprises a first end contacting the bolster and a loaded end in mechanical co |
