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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Durrand; Christopher
Address:
Pleasant Grove, UT
No. of patents:
9
Patents:












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










 
 
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