Patent application number | Description | Published |
20100224415 | Methods and apparatus for drilling, completing and configuring U-tube boreholes - A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directional section. A directional drilling component is drilled in at least one of the directional sections to obtain a required proximity between the first and second boreholes. An intersecting component is drilled, utilizing magnetic ranging techniques, from one directional section to provide a borehole intersection between the first and second boreholes, thereby connecting the subterranean path. | 09-09-2010 |
20110114388 | Methods and apparatus for drilling, completing and configuring U-tube boreholes - A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directional section. A directional drilling component is drilled in at least one of the directional sections to obtain a required proximity between the first and second boreholes. An intersecting component is drilled, utilizing magnetic ranging techniques, from one directional section to provide a borehole intersection between the first and second boreholes, thereby connecting the subterranean path. | 05-19-2011 |
20120145463 | METHODS AND APPARATUS FOR DRILLING, COMPLETING AND CONFIGURING U-TUBE BOREHOLES - A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directional section. A directional drilling component is drilled in at least one of the directional sections to obtain a required proximity between the first and second boreholes. An intersecting component is drilled, utilizing magnetic ranging techniques, from one directional section to provide a borehole intersection between the first and second boreholes, thereby connecting the subterranean path. | 06-14-2012 |
20120158305 | DRILLING COLLISION AVOIDANCE APPARATUS, METHODS, AND SYSTEMS - In some embodiments, apparatus and systems, as well as methods, may operate to launch a set of currents into a corresponding set of existing well casings; monitor, in a well under construction, changes in at least one of a magnetic field or an electric field perturbed by the set of currents after each one of the set is launched; and determine a location of the well under construction in relation to the set of existing well casings. In some embodiments, the activities include inducing current into a drillstring located in a well under construction; monitoring, at a set of existing well casings, changes in at least one of a magnetic field or an electric field perturbed by the current after the current is induced; and determining a location of the well under construction in relation to the set of existing well casings. Additional apparatus, systems, and methods are disclosed. | 06-21-2012 |
20120170410 | PIPING COMMUNICATION - Apparatus, systems, and methods may operate to communicate, by an information-bearing signal across a mechanical interface, between a pair of electromechanical transducer elements when the pair is compressively loaded. Compressive loading may occur after coupling a male portion of a pipe joint to a female portion of the pipe joint to form the pipe joint. A first one of the pair of electromechanical transducer elements may be included in the male portion, and a second one of the pair may be included in the female portion. Additional apparatus, systems, and methods are disclosed. | 07-05-2012 |
20130265171 | DATA TRANSMISSION IN DRILLING OPERATION ENVIRONMENTS - Apparatus, systems, and methods may operate to transmit a data signal along a transmission line extending lengthwise along a drill string, the transmission line comprising an outer conductive path provided by a tubular wall of a drill pipe that extends along the drill string; and an internal conductive path extending along an interior passage that is bounded by a radially inner cylindrical surface of the drill pipe and along which drilling fluid is conveyed, the inner conductive path being substantially insulated from the outer conductive path. Additional apparatus, systems, and methods are described. | 10-10-2013 |
20130328442 | MAGNETOSTRICTIVE POWER SUPPLY FOR BOTTOM HOLE ASSEMBLY WITH ROTATION-RESISTANT HOUSING - A power supply includes a rotor having an undulated surface ( | 12-12-2013 |
20130333947 | MAGNETOSTRICTIVE MOTOR FOR A BOREHOLE ASSEMBLY - A motor includes: a rotor including an undulated surface; a rod disposed about the rotor; and a coil disposed about the rod to induce shape changes in the rod, which in turn impart forces to the undulated surface to rotate the rotor. | 12-19-2013 |
20140014372 | Pipe in Pipe Piston Thrust System - A pipe in pipe piston thrust system comprises a plurality of piston assemblies configured to sealingly engage a wellbore, a pump configured to transfer a fluid into the wellbore, and a by-pass disposed between a plurality of annuli formed by the plurality of piston assemblies. The by-pass allows for selective communication of the fluid between the plurality of annuli. | 01-16-2014 |
20140102690 | Pipe in Pipe Piston Thrust System - A pipe in pipe piston thrust system comprises a plurality of piston assemblies configured to sealingly engage a wellbore, a pump configured to transfer a fluid into the wellbore, and a by-pass disposed between a plurality of annuli formed by the plurality of piston assemblies. The by-pass allows for selective communication of the fluid between the plurality of annuli. | 04-17-2014 |
20140110108 | FLUID SAMPLE CAPTURE TOOL - A system and method for capturing fluid samples from a borehole is described. The system includes an outer pipe ( | 04-24-2014 |
20140158426 | Downhole Motors Having Adjustable Power Units - A downhole drilling motor for well drilling operations includes a tubular housing and a stator disposed in the tubular housing. The stator defines an internal cavity passing therethrough, wherein the stator includes one or more lobes defining at least a portion of the cavity. A rotor is operatively positioned in the internal cavity to cooperate with the one or more lobes of the stator. At least a portion of the stator or of the rotor comprises a memory material adapted to expand or contract when heat is applied by a localized heating module to the memory material. A fluid escape gap between the rotor and stator is adjusted by applying heat to the rotor and/or stator. At least one controller is adapted to receive input data and provide output signals increasing and/or decreasing electrical current applied to the at least one localized heating module. | 06-12-2014 |
20140311738 | FLUID CONTAINER RELOADING TOOL - A fluid container reloading tool for a downhole fluid sampling tool ( | 10-23-2014 |
20140326504 | PIPE IN PIPE DOWNHOLE ELECTRIC HEATER - A pipe in pipe electric heater assembly comprising a work string comprising an inner pipe and an outer pipe and a heater element, wherein the heater element is provided with power supplied by the inner pipe and the outer pipe acting at least as conductors and associated methods. | 11-06-2014 |
20140326509 | PIPE IN PIPE BHA ELECTRIC DRIVE MOTOR - A pipe in pipe electric motor assembly comprising: a drilling string comprising an inner pipe and an outer pipe and an electric motor; wherein the electric motor is provided with power supplied by the inner pipe and the outer pipe acting at least as conductors and associated methods. | 11-06-2014 |
20140332281 | FLUID SAMPLING TOOL WITH DEPLOYABLE FLUID CARTIDGES - A system and method for sampling formation fluids is described. The system include a fluid sampling tool ( | 11-13-2014 |
20150083409 | ROTATIONALLY-INDEPENDENT WELLBORE RANGING - In one example of a rotationally independent wellbore ranging system, a housing attached to a rotary component is positioned in a first wellbore and remains substantially stationary relative to the first wellbore when the rotary component rotates in the first wellbore. Multiple sensors affixed to the housing are operable to receive multiple ranging signals from a second wellbore while the rotary component rotates in the first wellbore, and provide the multiple ranging signals to a processor to determine a position of the first wellbore relative to the second wellbore. | 03-26-2015 |