Abstract: A system, composition and method for controlling fracture grown in the extraction of geothermal energy from an underground formation includes (i) introducing a first fracking fluid into an underground formation; (ii) introducing a second fracking fluid into the underground formation; wherein the specific gravity of the second fracking fluid is different from the specific gravity of the first fracturing fluid, thereby controlling the growth of at least one fracture in a downward direction, and wherein the fracking fluid in at least one of steps (i) or (ii) contains proppant particles having a thermal conductivity contrast of at least 5.

Abstract: A geothermal power system includes a power generation unit and at least one production well coupled to the power generation unit. The at least one production well is positioned at least partially within a geothermal reservoir. The production well includes at least one wellbore with a wellbore wall. A first tubing is positioned within the at least one wellbore and defines a first annular flow path through the first tubing. A second tubing is positioned around the first tubing and defines a second annular flow path between the first tubing and the second tubing. A third annular flow path is between the second tubing and the wellbore wall. A production fluid may flow in the same direction as a working fluid through the production well. The working fluid is used to generate electricity with the power generation unit. The working fluid may be a liquid, gas, or supercritical fluid.

Abstract: A geopressure and geothermal power system includes at least one pressure exchanger configured to receive a production fluid and a working fluid. At least one power generation unit is fluidly coupled to the pressure exchanger. At least one production well is positioned at least partially within a geothermal reservoir and provides the production fluid to the pressure exchanger. The system may also include at least one heat exchanger fluidly coupled to the at least one pressure exchanger and configured to one of, a) receive from and b) provide to, the at least one pressure exchanger the production fluid and the working fluid.

Abstract: A geothermal power system includes a power generation unit and tubing configured to be positioned within a wellbore coupled to the power generation unit. The tubing includes a first pipe with a first annular wall defining a first inner diameter and a first outer diameter. The first pipe has a first thermal conductivity. A second, pipe at least partially surrounds the first pipe. The second pipe includes a second annular wall defining a second inner diameter that is larger the first outer diameter of the first pipe. The second pipe has a second thermal conductivity. A coating applied to at least a portion of at least one of the first outer diameter of the first pipe and the second inner diameter of the second pipe has a coating thermal conductivity that is less than at least one of the first thermal conductivity and the second thermal conductivity.

Abstract: A geopressure and geothermal power system includes at least one pressure exchanger configured to receive a production fluid and a working fluid. At least one power generation unit is fluidly coupled to the pressure exchanger. At least one production well is positioned at least partially within a geothermal reservoir and provides the production fluid to the pressure exchanger. The system may also include at least one heat exchanger fluidly coupled to the at least one pressure exchanger and configured to one of, a) receive from and b) provide to, the at least one pressure exchanger the production fluid and the working fluid.

Abstract: A system, composition and method for controlling fracture grown in the extraction of geothermal energy from an underground formation includes (i) introducing a first fracking fluid into an underground formation; (ii) introducing a second fracking fluid into the underground formation; wherein the specific gravity of the second fracking fluid is different from the specific gravity of the first fracturing fluid, thereby controlling the growth of at least one fracture in a downward direction, and wherein the fracking fluid in at least one of steps (i) or (ii) contains proppant particles having a thermal conductivity contrast of at least 5.

Abstract: A geopressure and geothermal power system includes at least one pressure exchanger configured to receive a production fluid and a working fluid. At least one power generation unit is fluidly coupled to the pressure exchanger. At least one production well is positioned at least partially within a geothermal reservoir and provides the production fluid to the pressure exchanger. The system may also include at least one heat exchanger fluidly coupled to the at least one pressure exchanger and configured to one of, a) receive from and b) provide to, the at least one pressure exchanger the production fluid and the working fluid.

Abstract: A system, composition and method for controlling fracture grown in the extraction of geothermal energy from an underground formation includes (i) introducing a first fracking fluid into an underground formation; (ii) introducing a second fracking fluid into the underground formation; wherein the specific gravity of the second fracking fluid is different from the specific gravity of the first fracturing fluid, thereby controlling the growth of at least one fracture in a downward direction, and wherein the fracking fluid in at least one of steps (i) or (ii) contains proppant particles having a thermal conductivity contrast of at least 5.

Abstract: A system for fracturing a subterranean formation that includes a supply of a slurry including at least 5% by weight of particles; a pump coupled to the supply of the slurry; a conduit coupled to the pump and extending into the subterranean formation; and a controller operably coupled to the pump for controlling the operation of the pump. The particles have an average equivalent particle diameter of less than 50 microns.

Abstract: A system, composition and method for controlling vertical growth direction (up and down) of one or more fractures and/or rate of growth of one or more fractures by varying the specific gravity of one or more slurries or fluids being pumped into a well during a tracking operation.

Abstract: A system, composition and method for controlling vertical growth direction (up and down) of one or more fractures and/or rate of growth of one or more fractures by varying the specific gravity of one or more slurries or fluids being pumped into a well during a tracking operation.

Abstract: A system, composition and method for controlling vertical growth direction (up and down) of one or more fractures and/or rate of growth of one or more fractures by varying the specific gravity of one or more slurries or fluids being pumped into a well during a fracking operation.

Abstract: A system, composition and method for controlling fracture grown in the extraction of geothermal energy from an underground formation includes (i) introducing a first fracking fluid into an underground formation; (ii) introducing a second fracking fluid into the underground formation; wherein the specific gravity of the second fracking fluid is different from the specific gravity of the first fracturing fluid, thereby controlling the growth of at least one fracture in a downward direction, and wherein the fracking fluid in at least one of steps (i) or (ii) contains proppant particles having a thermal conductivity contrast of at least 5.

Abstract: A system for fracturing a subterranean formation that includes a supply of a slurry including at least 5% by weight of particles; a pump coupled to the supply of the slurry; a conduit coupled to the pump and extending into the subterranean formation; and a controller operably coupled to the pump for controlling the operation of the pump. The particles have an average equivalent particle diameter of less than 50 microns.

Abstract: A method to provide a plurality of fractures in a subterranean formation includes providing an essentially horizontal wellbore in the subterranean formation and providing a casing in the essentially horizontal wellbore. The method also includes providing communication between an inside of the casing and the subterranean formation at a plurality of locations along the length of the horizontal wellbore and providing a mortar slurry within the casing. The method further includes initiating a plurality of fractures from the plurality of locations and propagating the plurality of fractures by adding mortar slurry to the wellbore. A pressure inside the casing within the subterranean formation is above a fracture opening pressure while the plurality of fractures is propagating.

Abstract: A system, composition and method for controlling vertical growth direction (up and down) of one or more fractures and/or rate of growth of one or more fractures by varying the specific gravity of one or more slurries or fluids being pumped into a well during a fracking operation.

Abstract: A method to provide a fractured subterranean formation includes providing an essentially horizontal wellbore in the subterranean formation and providing fractures in the subterranean formation using a plurality of fracturing fluids. At least one of the fracturing fluids has a specific gravity that exceeds the fracture gradient within the subterranean formation and at least one of the fracturing fluids has a specific gravity that is less than the fracture gradient of the subterranean formation.

Abstract: A system for fracturing a subterranean formation that includes a supply of a slurry including at least 5% by weight of particles; a pump coupled to the supply of the slurry; a conduit coupled to the pump and extending into the subterranean formation; and a controller operably coupled to the pump for controlling the operation of the pump. The particles have an average equivalent particle diameter of less than 50 microns.

Abstract: A system for performing a desired subsea well-servicing operation, comprises a vessel, a service apparatus for performing the desired subsea well-servicing operation, the service apparatus being supported on the vessel; and a support apparatus mounted on the vessel, the support apparatus having first and second modes, wherein in the first mode the support means does not provide access to a well by the service apparatus and wherein in the second mode the support means does provide access to a well by the service apparatus. The vessel may be a vessel of opportunity and the service apparatus may be selected from the group consisting of subsea tree installation apparatus, perforating apparatus, acidizing apparatus, fracturing apparatus, workover apparatus, reservoir stimulation apparatus, wireline apparatus, coiled tubing apparatus, and snubbing apparatus.

Abstract: An expandable tubular liner includes a first tube, a second tube, a mechanical coupling for coupling the first and second tubes, and an insert coupled to the mechanical coupling. The insert is capable of forming a metallurgical bond with at least one of the tubes when energy is injected into the insert.