Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120127829 | GENERATING FLUID TELEMETRY A downhole tool includes a tool body, stator, and rotor. The tool body is aligned along a tool centerline and includes an aperture therethrough operable to pass a fluid to an exterior of the body. The stator is fixed relative to the tool body and includes a fluid flow r... | 05/24/2012 |
| 20120018228 | Method and Apparatus for Transforming a Pressure Drop into a Continuous Fluid Flow An apparatus energizes a consumer of a pressurized fluid using a high pressure source and a low pressure source. The apparatus may include a fluid circuit in fluid communication with the consumer. The fluid circuit may have a first and a second reservoir. In one arrange... | 01/26/2012 |
| 20120018227 | COMPONENTS AND MOTORS FOR DOWNHOLE TOOLS AND METHODS OF APPLYING HARDFACING TO SURFACES THEREOF A component for a downhole tool includes a rotor and a hardfacing precursor. The hardfacing precursor includes a polymeric material, hard particles, and a metal. A hydraulic drilling motor includes a stator, a rotor, and a sintered hardfacing material on an outer surfac... | 01/26/2012 |
| 20110315451 | DRIVE SYSTEM FOR A DOWNHOLE TOOL A turbine drive system (10) for a downhole tool comprises a stator (12) and a rotor (14). The rotor (14) is mounted externally of the stator (12) and, in use, the rotor (14) is rotated relative to the stator (12) to drive... | 12/29/2011 |
| 20110303461 | Clutch for a Jack Element A downhole tool string, comprising a tool string bore and a drill bit located at the bottom of the tool string. The drill bit comprises a body intermediate a shank and a working surface. The working surface may comprise a substantially coaxial rotationally isolated jack... | 12/15/2011 |
| 20110192648 | Bearing Assembly for Downhole Motor A downhole motor for drilling and servicing of wells has an elongated outer housing and an elongated mandrel rotatably disposed within the housing. A primary thrust bearing is disposed between the lower end of the housing and the mandrel, and transfers axial loads downw... | 08/11/2011 |
| 20110180329 | SYSTEMS AND METHODS FOR PROVIDING A GEARLESS DRILLING TURBINE A drilling sub assembly adapted to be coupled between a drill bit of a drilling rig and a drill pipe, the drilling sub assembling including a turbine unit directly coupled to the drill bit via a mandrel, such that passage of a drilling fluid through the drilling sub ass... | 07/28/2011 |
| 20110168447 | REAMING TOOL A reaming tool for use in reaming a bore includes a body adapted for location in a bore. The body defines a rotor of a rotary drive arrangement. A shaft adapted for location is disposed in the body. The shaft defines a stator of the rotary drive arrangement. A seal elem... | 07/14/2011 |
| 20110147091 | DOWNHOLE MOTOR A downhole motor having a motor section, a drive shaft section, and an output shaft section, the output shaft section having a rotatable output shaft with a first end and a second end, a first thrust bearing assembly proximal to the first end of said output shaft, a sec... | 06/23/2011 |
| 20110120776 | HYDRODYNAMIC BEARING ASSEMBLIES, AND HYDRODYNAMIC BEARING APPARATUSES AND MOTOR ASSEMBLIES USING SAME Hydrodynamic bearing assemblies and apparatuses are disclosed. Such hydrodynamic bearing assemblies may be employed in bearing apparatuses for use in downhole motors of a subterranean drilling system or other mechanical systems. In one embodiment of the present inventio... | 05/26/2011 |
| 20110100715 | CENTER DISCHARGE GAS TURBODRILL A compact gas turbine motor and a speed reduction transmission capable of providing the speed and torque required for drilling with center discharge bits. The transmission includes two sun gears of different pitch diameters, keyed to the turbine shaft. Upper planet gear... | 05/05/2011 |
| 20110083903 | DRILLING MACHINE POWER PACK WHICH INCLUDES A CLUTCH A drilling machine includes a compressor coupled to a prime mover through a hydraulic clutch, wherein the hydraulic clutch is repeatably moveable between engaged and disengaged conditions. The compressor is allowed to provide air and is restricted from providing air in ... | 04/14/2011 |
| 20110073374 | Flow Pulsing Device for a Drilling Motor A downhole flow pulsing device comprises a housing connected in series with a drill string and a valve with a rotating portion in the housing arranged to vary an area of a flow passage through the housing. A fluid actuated positive displacement motor drives rotation of ... | 03/31/2011 |
| 20100319995 | SELF-CIRCULATING DRILL BIT A drilling system comprising a drive shaft having a fluid flow conduit extending therethrough; a drill bit mounted for rotation by the drive shaft and having a bit face which, in use, contacts a formation to be drilled, and including a fluid flow passage with an outlet ... | 12/23/2010 |
| 20100307833 | JET TURBODRILL A turbine drill motor capable of operation at ultra-high rotary speeds (i.e., in excess of 1000 rpm, which is very high for turbine drill motors), with a high-pressure jet-assist functionality for drilling and well service applications. The ultra-high rotary speed enabl... | 12/09/2010 |
| 20100288559 | METHOD AND DEVICE FOR MANUFACTURING A DOWN HOLE MOTOR RADIAL BEARING The present invention concerns the down hole motors used in the oil prospecting industry to drive drill bits for drilling the ground at great depths. The down hole motor (1) comprises a drive shaft (5) held in the motor body (3) by an axial thrust b... | 11/18/2010 |
| 20100212966 | Downhole Tool Actuation In one aspect of the invention, a downhole tool string component has at least one end adapted to connect to an adjacent tool sting component and a bore adapted to accommodate a flow of drilling fluid. A turbine is disposed within the bore and an actuating assembly is ar... | 08/26/2010 |
| 20100187014 | Thrust Bearing Assembly A thrust bearing assembly comprising a rotating bearing runner and a stationary bearing carrier, the carrier defining a plurality of thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier constraining movement of the thr... | 07/29/2010 |
| 20100175925 | PUMP CONTROL FOR FORMATION TESTING A while-drilling tool comprising a motor, a transmission coupled to the motor, and a pump comprising a first piston disposed in a first chamber and a second piston disposed in a second chamber and coupled to the first piston. A planetary roller-screw is coupled between ... | 07/15/2010 |
| 20100126774 | VALVE-CONTROLLED DOWNHOLE MOTOR The present invention relates to systems and methods for controlling downhole motors. One aspect of the invention provides a valve-controlled downhole motor including: a downhole motor and a spool valve. The downhole motor includes a sealed chamber having a first port a... | 05/27/2010 |
| 20100122850 | Systems and methods for protecting drill blades in high speed turbine drills A drilling assembly in an elongated hole including a housing defining an interior with a plurality of motor stages in the interior. Each motor stage has at least one blade with supporting platform surfaces. A casing within the interior surrounds the plurality of motor s... | 05/20/2010 |
| 20100116554 | Turbo-gear for speedy drilling wells A turbo-gear supplied with operating fluid for driving a drill bit is proposed. It preferably comprises a non-rotatable casing, an upper shaft rotatably mounted in the casing, coupled with blades configured to receive pressure of the operating fluid causing rotation of ... | 05/13/2010 |
| 20100108393 | DOWNHOLE MUD MOTOR AND METHOD OF IMPROVING DURABILTY THEREOF Disclosed herein is a downhole mud motor. The mud motor includes, a stator, a rotor in operable communication with the stator, a polymer in operable communication with the stator and the rotor, and a plurality of carbon nanotubes embedded in the polymer.... | 05/06/2010 |
| 20100089653 | ISOLATION SYSTEM FOR DRILLING SYSTEMS In at least one example, an isolation system includes at least one air bladder assembly including at least one air bladder and at least one coupling member coupling the air bladder to a drill head, wherein the air bladder is configured to compress and expand to counter ... | 04/15/2010 |
| 20100078219 | JET MOTOR An exemplary embodiment of the jet motor includes a control sleeve, and power shaft having at least one opening thereon. The power shaft is rotatable in relation to the control sleeve. The power shaft has a central longitudinal shaft axis and upper and lower ends. The a... | 04/01/2010 |
| 20100065334 | Turbine Driven Hammer that Oscillates at a Constant Frequency In one aspect of the present invention a hammer assembly comprises a substantially coaxial jack element with a distal end extending beyond a working face of a drill bit. A porting mechanism within the bore comprises a first and second disc substantially contacting along... | 03/18/2010 |
| 20100038142 | APPARATUS AND METHOD FOR HIGH TEMPERATURE DRILLING OPERATIONS An apparatus (50) for drilling a wellbore that transverses a subterranean hydrocarbon bearing formation. The apparatus (50) includes a drill string (52) having an inner fluid passageway (66). A drill bit (64) is disposed at a distal en... | 02/18/2010 |
| 20100032170 | METHOD AND APPARATUS FOR RUNNING TUBULARS A method is disclosed for running a completion string, such as casing, into a predrilled wellbore while allowing rotation of a downhole component with respect to the completion string. The downhole component may be a drill shoe or reamer shoe for example. There is also ... | 02/11/2010 |
| 20100006342 | METHOD OF MAKING WELLBORE MOINEAU DEVICES A method of making a drilling motor for use in a wellbore includes defining a profile for an inner surface of a stator; configuring at least one cutting element on a support to at least partially form the profile; translating the support through a bore of the stator suc... | 01/14/2010 |
| 20090272581 | LOAD DISTRIBUTION FOR MULTI-STAGE THRUST BEARINGS A drilling motor includes an upper end connection adapted to connect to a drill string, and a lower end connection adapted to connect to a drill bit, a thrust bearing assembly having a plurality of stages assembled in a stack, each stage including at least one rotating ... | 11/05/2009 |
| 20090236148 | Flow Guide Actuation 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 ex... | 09/24/2009 |
| 20090229883 | Flow Guide Actuation 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 ex... | 09/17/2009 |
| 20090223676 | Selective Agitation A fluid actuated downhole tool for inducing movement of a downhole apparatus is described. The tool comprises a body for coupling to downhole apparatus, the body being adapted to accommodate now of fluid therethrough and including a flow-modifying arrangement for modify... | 09/10/2009 |
| 20090159281 | RUNNING BORE-LINING TUBULARS A method of running a tubular string into a wellbore comprises running a bore-lining tubular string into a wellbore substantially without rotation, while rotating a cutting structure at a distal leading end of the tubular string. Other methods provide for rotation of th... | 06/25/2009 |
| 20090152009 | Nano particle reinforced polymer element for stator and rotor assembly A nano particle reinforced polymer element of a stator and rotor assembly for a power section of a positive displacement fluid motor or a progressive cavity pump. Nano-sized particles are blended with an uncured polymer to improve the physical and chemical properties of... | 06/18/2009 |
| 20090095528 | Downhole Motor Assembly with Torque Regulation A downhole motor assembly for driving a drill bit. The assembly includes a hydraulic drive section with a stator and a rotor located inside the stator to form a flow path between the stator and the rotor. Fluid flowing through the flow path in response to a pressure dif... | 04/16/2009 |
| 20090097788 | Hydrodynamic bearing assemblies, and hydrodynamic bearing apparatuses and motor assemblies using same Hydrodynamic bearing assemblies and apparatuses are disclosed. Such hydrodynamic bearing assemblies may be employed in bearing apparatuses for use in downhole motors of a subterranean drilling system or other mechanical systems. In one embodiment of the present inventio... | 04/16/2009 |
| 20090057016 | Downhole Turbine In one aspect of the present invention, a drill bit has a jack element that is substantially coaxial with an axis of rotation of the drill bit and the jack element has an asymmetrical distal end that extends beyond a working face of the drill bit. A turbine is located w... | 03/05/2009 |
| 20090050372 | Downhole Turbine In one aspect of the present invention, a drill bit has a jack element that is substantially coaxial with an axis of rotation of the drill bit and the jack element has an asymmetrical distal end that extends beyond a working face of the drill bit. A turbine is located w... | 02/26/2009 |
| 20080264693 | Drive System The invention relates to a drive system, in particular a downhole drilling assembly (10). In the preferred embodiment, a bearing mechanism (14,24) of the assembly (10) is isolated from a gear mechanism (20) of the assembly (10), to pre... | 10/30/2008 |
