A downhole turbine includes a plurality of fins. The plurality of fins have an exit angle that exerts a tangential force on the fin, which imparts a torque on a hub. The fins have an adjustable exit angle that changes in response to changes in the properties of a drilling fluid. The changing exit angle changes the tangential force, which changes the torque on the hub.

A downhole turbine includes a plurality of fins. The plurality of fins have an exit angle that exerts a tangential force on the fin, which imparts a torque on a hub. The fins have an adjustable exit angle that changes in response to changes in the properties of a drilling fluid. The changing exit angle changes the tangential force, which changes the torque on the hub.

Disclosed is a system for generating energy. The system is incorporated into a disposal or injection well. A conduit is extended down in the well from the surface. Water disposed in the well is used to drive some sort of mechanical-energy creating device that has an axis that runs up the wellbore. The device is used to turn a shaft that extends up in the well, and is used to either generate electrical power, or be used for some mechanical purpose outside the wellbore.

Disclosed is a system for generating energy. The system is incorporated into a disposal or injection well. A conduit is extended down in the well from the surface. Water disposed in the well is used to drive some sort of mechanical-energy creating device that has an axis that runs up the wellbore. The device is used to turn a shaft that extends up in the well, and is used to either generate electrical power, or be used for some mechanical purpose outside the wellbore.

A turbine includes a rotor. The rotor is connected to at least one blade. The blade is at least partially ultrahard material.

A turbine includes a rotor. The rotor is connected to at least one blade. The blade is at least partially ultrahard material.

A technique facilitates control over the actuation of a device by utilizing a rotor and a corresponding stator system. The technique employs a rotor and a corresponding stator component in a progressive cavity type system. The rotor and corresponding stator component are mounted such that rotational and/or axial motion may be imparted to at least one of the rotor or stator components relative to the other component. The controlled rotation may be utilized in providing controlled motion of an actuated device via the power of fluid moving through the progressive cavity type system.

A technique facilitates control over the actuation of a device by utilizing a rotor and a corresponding stator system. The technique employs a rotor and a corresponding stator component in a progressive cavity type system. The rotor and corresponding stator component are mounted such that rotational and/or axial motion may be imparted to at least one of the rotor or stator components relative to the other component. The controlled rotation may be utilized in providing controlled motion of an actuated device via the power of fluid moving through the progressive cavity type system.

The present invention concerns a system for extracting the liquids from a well producing liquid and gas. The system comprises a separation wall defining, in the well, a first space and a second space; a liquid-gas separator; and a system for eliminating separated liquid. The first space is suitable for conveying a mixture comprising the gas and liquid from a production area to the separator. The separator is suitable for separating the gas and liquid from the mixture. The second space receives the liquid separated from the mixture. Finally, the elimination system is suitable for eliminating the separated liquid using at least the gravitational potential energy of said separated liquid in the second space.

The present invention concerns a system for extracting the liquids from a well producing liquid and gas. The system comprises a separation wall defining, in the well, a first space and a second space; a liquid-gas separator; and a system for eliminating separated liquid. The first space is suitable for conveying a mixture comprising the gas and liquid from a production area to the separator. The separator is suitable for separating the gas and liquid from the mixture. The second space receives the liquid separated from the mixture. Finally, the elimination system is suitable for eliminating the separated liquid using at least the gravitational potential energy of said separated liquid in the second space.