A method of optimizing a design of a wellbore drilling operation based on at least one set of offset well data. A drilling path record for each offset well comprises a set of drilling parameters separated into depth segments. An optimization process determines a drilling dysfunction for each set of drilling parameter by comparing the drilling parameter to a maximum value. The optimization process determines the maximum rate of penetration for each depth segment by comparing the sets of drilling parameters without a drilling dysfunction. The optimization process generates an optimum drilling roadmap in response to determining the drilling parameters for the maxim um rate of penetration for each depth segment. A drilling operation can drill a wellbore via the optimum drilling roadmap.

An ice auger handle attachment assembly that includes a first bushing with a recess on the end side for a first pin of a handle, a second bushing with two symmetrical flat side surfaces made on the part of the length of the second bushing and having arcuate recesses that form stops. The second bushing partially covers the first bushing and is attached thereto by means of a stud fixed on the end of the handle. Further, a blocking element and the second pin pass through a slot in the second bushing and a hole in the stud. A spring is mounted on the stud between the first and second bushings, and a fork-shaped lever covering the second bushing in the area of the flat side surfaces and hinged thereon by means of the second pin.

Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The transportable polymerization unit comprises a cylindrical upper part, a conical part at its lower end, feeds for the aqueous monomer solution, a closable bottom opening, and means allowing to deploy the polymerization unit in a vertical manner.

A method is provided. An actual fatigue curve limit is determined for actual stress of a drilling component based on an actual yield strength of a material of the drilling component. A plurality of drilling parameters is simulated for the drilling component to determine one or more estimated stresses enacted on the drilling component for one or more combinations of the plurality of drilling parameters. A component life cycle of the drilling component is determined based on the actual fatigue curve limit and the plurality of drilling parameters. A consumed component life of the drilling component is determined for an actual drilling step utilizing the drilling component, and a remaining life of the drilling component after the actual drilling step is determined.

The present invention provides a machining fluid comprising a first phase fluid and a second phase fluid pressurized to be dissolved in the first phase fluid. The present invention further provides a machining device comprising an injecting head having a nozzle and a flow channel communicating with the nozzle for guiding the machining fluid to the nozzle injecting the machining fluid to an object. Alternatively, the present invention further provides a machining device comprising a light source for generating a laser beam and an injecting head having a nozzle and a flow channel communicating with the nozzle. The flow channel guides a machining fluid having a first phase fluid and a second phase fluid such that the machining fluid is injected to an object by the nozzle. The injecting head also receives the laser beam and guides the laser beam to the object through the nozzle.

A method can include, in a runtime environment of compiled multi-domain code for multiple different domains that describe physical operations performed using equipment, responsive to input, issuing a call to a planning domain definition language planner; responsive to the call, receiving a plan that includes at least one action; and dispatching at least one of the at least one action to call for performance of at least a portion of at least one of the physical operations.

A pipe union assembly that includes a female end of a first pipe section and a male end of a second pipe section. The pipe union assembly also includes a quick union nut securable to the female end, a retainer collar securable to the quick union nut and a segmented load ring disposed between the male end of the second pipe section and the quick union nut. The quick union nut, the retainer collar and the segmented load ring cooperate to maintain the male end of the second pipe section inside the female end of the first pipe section. A method of using the pipe union assembly to join a first pipe section and a second pipe section.

A direct high voltage flow-through water heater system transmits high voltage power to a remote ice penetrating robot, converts the power to heat in a very small space, and then uses the heat to melt the ice, providing a path ahead of the robot allowing penetration deeper into a remote ice-covered location, such ice of substantial (e.g., kilometers) thickness, such as, for example, glacial ice caps. High voltage, low current, AC power is passed through a moving conducting fluid, inducing resistive heating in the fluid with 100% efficiency. The exiting fluid is stripped of common mode voltage before exiting. Energy transfer from the electrical source to the fluid is instantaneous and occurs at 100% efficiency. In an alternative embodiment, the fluid heater system operates at standard residential/industrial mains voltages and runs from 220 VAC as other applications of the present invention include the traditional water heater industry as well.

A ratcheting auger bracing device having a support frame with spaced-apart elongated side bars and first and second end bars connecting the side bars, and a pair of pivotable braces each having a proximal hinge end secured pivotally to and around the end bars of the support frame, a distal end bar, and a pair of opposed arms connecting the distal end bar to the proximal hinge end. The opposed arms are angled downwardly, acing the shaft of the auger section, to provide improved operation of the ratcheting auger bracing device in muddy operation conditions. An elevating frame provides an elevating base and legs that elevate the support frame and the hinged pair of pivotable braces at a distance above the ground level, and positions the hinged ends of the pivotable braces a distance above the ground level that avoids or prevents mud that may pool around the well hole.

A system for monitoring and controlling downhole pressure of a well borehole relative to a lithostatic pressure of rock surrounding the borehole is provided. The system can include a millimeter wave drilling apparatus including a gyrotron configured to inject millimeter wave radiation energy into a borehole of a well via a waveguide configured for insertion into the borehole. The borehole can be formed via the millimeter wave drilling apparatus and having a downhole pressure monitored at a bottom of the well. The system can also include a compressor fluidically coupled to the borehole and configured to control the downhole pressure via a gas supplied into and/or received from the borehole. The compressor can be configured to control the downhole pressure relative to a lithostatic pressure determined for rock surrounding the well at the bottom of the well.