Abstract: The invention relates to downhole motors for rotating drill bits. The downhole motors may comprise stators, turbines or the like. The drilling motor may comprise a drilling apparatus comprising a drill bit connected to a rotor rotatably housed within a stator (or a turbine rotor in a housing), the rotor comprising at least one magnetic field source or magnetic field detector, and the stator comprising at least one magnetic field source if the rotor comprises a magnetic field detector or comprising at least one magnetic field detector if the rotor comprises a magnetic field source, thereby allowing the rotation speed of the rotor relative to the stator to be measured.

Abstract: The present invention describes methods and apparatus to enable efficient and protected interaction with a virtual world environment. An exemplary embodiment of the present invention provides a system including a virtual world commodity device including a housing and a memory. Furthermore, the system includes a product unique identifier stored in the memory of the virtual world commodity device. The virtual world commodity device is enabled to communicate with a virtual world environment to provide the product unique identifier and the virtual world environment provides a globally unique identifier to be stored in the memory of the virtual world commodity device.

Abstract: A drive mechanism is described for moving/controlling objects/mechanisms/systems coupled with a drillstring and/or pipe. The drive mechanism may be axially arranged on a drillstring or pipe, compact, capable of fine control and delivering high torque or the like and may be electrically and/or hydraulically powered. The drive mechanism may comprising a driving member comprising a plurality of drivers linearly translatable with respect to the driving member, each driving member having at their ends a male engaging portion and an associated driven member, comprising a plurality of female receiving portions adapted to receive a male engaging portion, the arrangement being such that linear translation of a driver causes its engaging portion to engage with a female receiving portion and the action of the engaging portion produces a reaction in the receiving portion causing displacement of the driven member in a direction other than that of the translatable driver.

Abstract: A directional drilling system comprises a main drill bit 24 rotatable about a main bit axis 26, a pilot drill bit 34 rotatable about a pilot bit axis 36 substantially parallel to the main bit axis 26, and adjustment means 28 for adjusting the position of the pilot bit axis 36 relative to the main bit axis 26.

Abstract: A drill string suitable for use in directional drilling of a borehole, comprising a rotatable shaft at the leading end of which is a drill bit, and wherein the shaft comprises a variable friction inducing member, which provides rotational friction by physical contact with an inside face of the borehole, the friction inducing member being arranged to exert a first rotational frictional force when the shaft in the vicinity of the member is substantially rotating and a second rotational frictional force when the shaft in the vicinity of the member is substantially not rotating, wherein the first rotational frictional force is less than the second rotational frictional force.

Abstract: A frame for an electric vehicle with a motor and a transmission, the frame including a steering head unit, a power unit casing, a left side frame and a right side frame. The steering head unit includes a steering head, a left extension and a right extension, wherein the left extension and right extension extend at an angle from the steering head. The power unit casing encloses the motor and the transmission, orienting the gearbox of the transmission vertically underneath the motor. The left and right side frames mount, on one end, to the left and right extensions of the steering head unit, respectively, wherein the other end mounts to the left and right sides of the power unit casing, respectively. The steering head unit, the power unit, the left side frame and the right side frame form an open cage, configured to accept a battery assembly.

Abstract: The present invention recites a method, system and apparatus, wherein said method, system and apparatus comprises a gauge pad for a rotary component received within a borehole, the gauge pad comprising an exterior surface dimensioned for rotation in close proximity to the borehole, a pocket extending through the exterior surface, the pocket in fluid communication with a pressurized fluid source, and wherein the exterior surface is dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the exterior surface and borehole creates a pressure drop sufficient to pull the rotary component toward the gauge pad.

Abstract: The present invention recites a method and apparatus, wherein said methods and apparatus comprises an actuator comprising a first plate, a pocket extending through the first plate, the pocket in fluid communication with a pressurized fluid source and a second plate coupled to a component that is to be actuated, wherein the first plate, the second plate, and the pocket are dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the first plate and the second plate creates a pressure drop sufficient to pull the second plate toward the first plate.

Abstract: A frame for an electric vehicle with a motor and a transmission, the frame including a steering head unit, a power unit casing, a left side frame and a right side frame. The steering head unit includes a steering head, a left extension and a right extension, wherein the left extension and right extension extend at an angle from the steering head. The power unit casing encloses the motor and the transmission, orienting the gearbox of the transmission vertically underneath the motor. The left and right side frames mount, on one end, to the left and right extensions of the steering head unit, respectively, wherein the other end mounts to the left and right sides of the power unit casing, respectively. The steering head unit, the power unit, the left side frame and the right side frame form an open cage, configured to accept a battery assembly.

Abstract: A battery module that includes a battery unit composed of a plurality of flat cells and having an end face, a container with an end piece that encloses the battery unit, and a damping assembly disposed between the end face and the end piece. The damping assembly includes a pressure plate, coupled to the end face, that distributes a force substantially equally over the end face. The damping assembly further includes a damping mechanism that damps battery unit oscillations within the container and applies the force to the pressure plate. Coupling the end plate to the damping mechanism compresses the damping mechanism, and causes the damping mechanism to exert a reactionary force against the pressure plate. Furthermore, the damping assembly compresses and substantially suspends the battery unit within the container, such that one face of the battery unit does not substantially contact the container interior.

Abstract: A method for fracturing a wellbore while drilling a wellbore includes inserting a drill string into a wellbore. A fluid is pumped into at least one of an interior passage in the drill string and an annular space between a wall of the wellbore and the drill string. At least one of a pressure and a temperature of the fluid proximate a lower end of the drill string is measured and the measurements are transmitted to the surface substantially contemporaneously with the measuring. At least one of a flow rate and a pressure of the fluid is controlled in response to the measurements to selectively create fractures in formations adjacent to the wellbore.

Abstract: The present invention recites a method and apparatus, wherein said methods and apparatus comprises an actuator comprising a first plate, a pocket extending through the first plate, the pocket in fluid communication with a pressurized fluid source and a second plate coupled to a component that is to be actuated, wherein the first plate, the second plate, and the pocket are dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the first plate and the second plate creates a pressure drop sufficient to pull the second plate toward the first plate.

Abstract: The present invention recites a method, system and apparatus, wherein said method, system and apparatus comprises a gauge pad for a rotary component received within a borehole, the gauge pad comprising an exterior surface dimensioned for rotation in close proximity to the borehole, a pocket extending through the exterior surface, the pocket in fluid communication with a pressurized fluid source, and wherein the exterior surface is dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the exterior surface and borehole creates a pressure drop sufficient to pull the rotary component toward the gauge pad.

Abstract: A steerable drilling system comprises a rotary drill bit 14 secured to a housing 16, a secondary rotary drill component 22 carried by the housing and rotatable therewith, the second rotary drill component 22 having a gauge dimension greater than that of the rotary drill bit 14, and a drive arrangement operable to displace the secondary rotary drill component 22 relative to the housing 16 while maintaining an axis 24 of the secondary rotary drill component 22 substantially parallel to an axis 18 of the housing 16.

Abstract: The present invention describes methods and apparatus to enable efficient and protected interaction with a virtual world environment. An exemplary embodiment of the present invention provides a system including a virtual world commodity device including a housing and a memory. Furthermore, the system includes a product unique identifier stored in the memory of the virtual world commodity device. The virtual world commodity device is enabled to communicate with a virtual world environment to provide the product unique identifier and the virtual world environment provides a globally unique identifier to be stored in the memory of the virtual world commodity device.

Abstract: A directional drilling system comprises a main drill bit 24 rotatable about a main bit axis 26, a pilot drill bit 34 rotatable about a pilot bit axis 36 substantially parallel to the main bit axis 26, and adjustment means 28 for adjusting the position of the pilot bit axis 36 relative to the main bit axis 26.

Abstract: 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 near the center of the bit face; a first fluid flow line extending from the outside of the drive shaft to the flow passage in the drill bit; and a second fluid flow line extending from the outside of the drive shaft to the flow conduit. A method of drilling a well using such a system comprise positioning the system in a borehole; rotating the drive shaft to rotate the bit; urging the bit against the formation to be drilled; and pumping drilling fluid down the borehole so as to pass though the first flow line and to exit the fluid flow passage in the drill bit via the outlet, flow over the bit face and pass into the fluid low conduit via the second fluid flow line.

Abstract: A system and method are provided for drilling a wellbore. The wellbore is formed with a drilling tool that cuts through a formation. A pumping system removes cuttings from the drilling tool and also transports the cuttings along at least a portion of the wellbore formed behind the drilling tool.

Abstract: The invention concerns a system or a method for maintaining zonal isolation in a wellbore. According to the invention, the system comprises, at a specific location along said wellbore, a sealing element, said sealing element being able to deform both during and after placement and is maintained after placement under compression through a pressurizing fluid or by confinement in a volume.

Abstract: A pump system for testing an isolated zone in a borehole includes a testing pump and a testing device. The testing pump may be configured to at least assist in creating a formation fluid flow from the isolated zone in the borehole. The testing pump may be powered by a power fluid, where the power fluid may be delivered from a power fluid source. The power fluid source may be located at a location remote from the testing pump. The testing device may be configured to monitor the formation fluid flow. The testing device may further be configured to determine characteristics of the isolated zone in the borehole based at least in part on the monitored formation fluid flow.