-United State Patents
-
- 6,247,533
- Utilization of energy from flowing fluids
- 6,059,031-
Utilization of energy from flowing fluids
- 5,582,247
- Methods of treating conditions in a borehole employing a backward whirling
mass
- 5,515,918
- Method of consolidating a slurry in a borehole
- 5,309,405
- Methods of employing vibrational energy in a borehole
- RE34,435
- Whirl resistant bit
- 5,210,381-
Apparatus for generating vibrational energy in a borehole
- 5,131,478
- Low friction subterranean drill bit and related methods
- 5,042,596
- Imbalance compensated drill bit
- 5,010,789
- Method of making imbalanced compensated drill bit
- 4,982,802
- Method for stabilizing a rotary drill string and drill bit
- 4,948,925
- Apparatus and method for rotationally orienting a fluid conducting conduit
- 4,932,484
- Whirl resistant bit
- 4,905,776
- Self-balancing drilling assembly and apparatus
- 4,905,775
- Drilling system and flow control apparatus for downhole drilling motors
- 4,881,605
- Stabilizing and drilling apparatus and method
- 4,862,974
- Downhole drilling assembly, apparatus and method utilizing drilling motor
and stabilizer
- 4,815,342
- Method for modeling and building drill bits
- 4,721,172
- Apparatus for controlling the force applied to a drill bit while drilling
- 4,705,117
- Method and apparatus for reducing drill bit wear
- 4,660,656
- Method and apparatus for controlling the rotational torque of a drill
bit
- 4,655,303
- Drill bit
-Great
Britain Patents
