Abstract: In some embodiments, a system may include an electrical motor including a cylindrical rotor including an inner circumferential magnetic array and an outer circumferential magnetic array spaced apart by an air gap. The electrical motor may further include a stator including a circumferential array of coils sized to fit within the air gap and a plurality of power electronic circuits. Each power electronic circuit of the plurality of power electronic circuits may independently control current to one or more coils of the circumferential array of coils.

Abstract: A pump system may include a plurality of motors coupled to a shaft and configured to cause the shaft to rotate, and a power end coupled to the shaft. The power end may include a plurality of yoke frames, each of which may include one or more push rods. The pump system may further include multiple fluid ends coupled to the power end. Each fluid end may include a cylinder chamber including a piston-plunger assembly configured to couple to one of the one or more push rods of the power end. The pump system may also include a device to disconnect or isolate one or more of individual piston assemblies, or one or more of the multiple fluid ends. The pump system may also include a multiplicity of controllers which may enhance performance, reliability, and operating life in a number of modes and conditions in a health management method.

Abstract: An integrated fracking system may include one or more fuel systems, one or more power generation systems, one or more low-pressure fluid mixture feed units, one or more pumping units, and a control system. The control system may include a computing system accessible by an operator to manage one or more operating parameters and may include a plurality of distributed control elements. In some implementations, the integrated fracking system may include a comprehensive control system, which may include the computing system and the distributed control elements to provide integration of one or more stages of delivery of fracturing solids and fluids to the well. The comprehensive control system may include sensors, control logic, and other components, which may be distributed through various elements of the fracking system and which may be configured to independently and, in conjunction with other components, manage the health of the system.

Abstract: In some embodiments, a method and apparatus are described for moving heavy objects while providing for precise movements and alignments along any desired path, making the apparatus ideally suited for moving heavy equipment including tunnel boring equipment or structures, such as land drilling rigs. In certain embodiments, an apparatus may include at least two load bearing subassemblies. Each load bearing subassembly can include a support structure configured to support a load, a bearing mat; and a plurality of linear actuators coupled between the support structure and the bearing mat. The plurality of linear actuators may be configured to raise, shift, and lower the load relative to the bearing mat or reference base to move the load.

Abstract: In some embodiments, an electric motor may include a plurality of magnetic circuit modules, where each magnetic circuit module includes a rotor having a first magnetic array and a second magnetic array extending substantially parallel with one another and spaced apart by a channel. The electric motor may further include a stator including a coil assembly configured to fit within the channel and to provide an electromagnetic force within the channel to accelerate the magnetic arrays.

Abstract: In some embodiments, an apparatus may include a frame structure including a first end configured to couple to a frame of a vehicle and including a second end. The second end includes an upper attachment element and a lower attachment element. The apparatus further includes a camber housing coupled between the lower attachment element and a wheel. The camber housing includes a guide element and configured to pivot about the lower attachment element. The apparatus includes a slider coupled to the upper attachment element and configured to move along the guide element to provide a dynamically and continuously variable adjustable camber angle.

Abstract: In some embodiments, an apparatus may include a wheel module including a linear actuator, a piston, a drive element, and a coil. The linear actuator may include a stator and a piston configured to fit within the stator. The piston includes a plurality of permanent magnets responsive to coils of the stator to move relative to the stator. The apparatus further includes a drive element threadably coupled to an external surface of the linear actuator. The drive element includes a plurality of permanent magnets responsive to the coils of the stator to move relative to the stator. The apparatus also includes a coil configured to fit over the linear actuator.

Abstract: In some embodiments, a system can include an integrated wheel module coupled to a rim of a tire and to a structure of a vehicle. The integrated wheel module can include control electronics and a power supply. The integrated wheel module may further include a plurality of electric motors, including a first motor responsive to the control electronics and configured to rotate the tire about an axis; a second motor responsive to the control electronics and configured to turn the tire about a pivot point; a third motor responsive to the control electronics and configured to continuously and dynamically adjust a camber of the tire; a fourth motor responsive to the control electronics and configured to continuously and dynamically adjust a suspension associated with the tire; and a fifth motor configured to adjust the suspension spring in accordance with the load, conditions and optimum performance desired.

Abstract: A land drilling rig and associated methods are described that facilitate fast rig up of the drilling rig for drilling a well. In some embodiments, the drilling rig may include a rear trunk, a center trunk, and an alignment frame. The alignment frame may be coupled to an edge of the rear trunk and to an edge of the center trunk during unloading of one of the rear trunk and the center trunk from a trailer to align them during unloading. The drilling rig may be formed form a plurality of components, some of which may be dual purpose structures that store equipment during transit, testing, and rig up and that form a part of the support structure of the drilling rig. Further, base boxes may include moveable feet that can be controlled to walk the base boxes and the drilling rig to a selected location.

Abstract: In some embodiments, a method and apparatus are described for moving heavy objects while providing for precise movements and alignments along any desired path, making the apparatus ideally suited for moving heavy equipment including tunnel boring equipment or structures, such as land drilling rigs. In certain embodiments, an apparatus may include at least two load bearing subassemblies. Each load bearing subassembly can include a support structure configured to support a load, a bearing mat; and a plurality of linear actuators coupled between the support structure and the bearing mat. The plurality of linear actuators may be configured to raise, shift, and lower the load relative to the bearing mat or reference base to move the load.

Abstract: A land drilling rig and associated methods are described that facilitate fast rig up of the drilling rig for drilling a well. In some embodiments, the drilling rig may include a rear trunk, a center trunk, and an alignment frame. The alignment frame may be coupled to an edge of the rear trunk and to an edge of the center trunk during unloading of one of the rear trunk and the center trunk from a trailer to align them during unloading. The drilling rig may be formed form a plurality of components, some of which may be dual purpose structures that store equipment during transit, testing, and rig up and that form a part of the support structure of the drilling rig. Further, base boxes may include moveable feet that can be controlled to walk the base boxes and the drilling rig to a selected location.

Abstract: In some embodiments, a drilling system can include a top drive and one or more pressure intensifiers coupled between a mud pump and the top drive to increase fluid pressure of drilling fluid driven down into a hole. In some aspects, the one or more pressure intensifiers may be coupled to a traveling block ahead of a top drive or may be coupled to at least one of a drill floor, a mast, a crown, a setback, and an offset of a drilling rig. Further, in some aspects, the drilling system may include a mud pump coupled to a mud tank and configured to pump the drilling fluid through a low pressure conduit to the one or more pressure intensifiers.