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Boring or penetrating the earth

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
04/10/2014 > 5 patent applications in 4 patent subcategories.

20140097024 - Drill bits having depth of cut control features and methods of making and using the same: A downhole cutting tool for drilling a borehole in an earthen formation may include a tool body having a tool axis and a direction of rotation about the tool axis; at least two blades attached to the tool body, the at least two blades having a leading face facing the... Agent: Smith International, Inc.

20140097025 - Method and apparatus for use of microbes and other gas stimulants in radial enhancement drilling fluid: Microbes, nutrients or other gas stimulants are employed in the drilling fluid that is used to cut radial jet laterals or laterals of any shape or size into subsurface coal formations and other hydrocarbon formations. By employing solutions used for microbial methane farming and the like directly in radial jet... Agent:

20140097026 - Positive displacement motor (pdm) rotary steerable system (rss) and apparatus: A motor steering system includes a drill collar, a transmitter circuit having a power transmitting coil, a rotor, and a receiver circuit having a power receiving coil. The transmitter circuit is coupled to the drill collar and the receiver circuit is coupled to the rotor such that the transmitter circuit... Agent: Schlumberger Technology Corporation

20140097027 - Self-locking top drive guide system: A top drive guide system comprising first and second rail sections axially aligned to form a top drive guide rail. A locking member is coupled to the first rail section and is movable between a locked position and an unlocked position. A locking surface is disposed on the second rail... Agent: National Oilwell Varco LLP

20140097028 - Pointed diamond working ends on a shear bit: In one aspect of the present invention, a drill string has a drill bit with a body intermediate a shank and a working face. The working face has a plurality of blades converging at a center of the working surface and diverging towards a gauge of the working face. At... Agent: Schlumberger Technology Corporation

04/03/2014 > 14 patent applications in 10 patent subcategories.

20140090888 - Apparatus, system, and method for controlling the flow of drilling fluid in a wellbore: A drilling system includes a drill string extending through a BOP and a drilling fluid discharge coupling mounted to the BOP. In addition, the drilling system includes a drilling fluid control system configured to control a pressure or flow rate of a drilling fluid flowing through the discharge coupling. The... Agent: National Oilwell Varco, L.p.

20140090890 - Detection of tool in pipe: Methods and systems for determining whether a tool has been deployed below a drill pipe are provided. A downhole tool can measure various characteristics, which then can be analyzed to determine the likelihood of a tool having been deployed below the drill pipe. For example, density and porosity measurements can... Agent: Schlumberger Technology Corporation

20140090889 - Mining drill with gradient sensing: A drill for excavating a bore in the earth includes a steerable boring tool configured to excavate a bore and sensors coupled to the boring tool. The sensors are spaced apart from one another at multiple azimuthal locations around the steerable boring tool and the sensors are configured to detect... Agent: Elwha LLC

20140090891 - Azimuthal brittleness logging systems and methods: Methods and systems for gathering, deriving, and displaying the azimuthal brittleness index of a borehole. At least some embodiments include various methods for calculating and displaying borehole measurements in real-time for geosteering and drilling operations. At least one disclosed method embodiment for calculating and displaying azimuthal brittleness includes taking measurements... Agent: Halliburton Energy Services, Inc.

20140090892 - Apparatus and methods for controlling drill string vibrations and applying a force to a drill bit: Apparatus and methods for controlling drill string vibrations and applying a force to a drill bit include a body having a first piston at an uphole end in association with a drill string and a second piston at a downhole end in association with a drill bit. A first biasing... Agent:

20140090893 - Obtaining and evaluating downhole samples with a coring tool: Samples of hydrocarbon are obtained with a coring tool. An analysis of some thermal or electrical properties of the core samples may be performed downhole. The core samples may also be preserved in containers sealed and/or refrigerated prior to being brought uphole for analysis. The hydrocarbon trapped in the pore... Agent: Schlumberger Technology Corporation

20140090894 - Diverter latch assembly system: A system and methodology facilitates use of a diverter latch assembly in cooperation with a lateral wellbore. The diverter latch assembly comprises an upper latch assembly coupled with a lower latch assembly via a swivel. The upper latch assembly also comprises a releasable latch positioned to engage a tieback receptacle... Agent:

20140090895 - Compositions and methods for reducing fluid loss: The current application discloses compositions and methods for reducing fluid loss during subterranean operations. CO2 activated swellable elastomers can be used in subterranean operations to reduce fluid loss. In particular, the current application discloses compositions and methods for reducing lost circulation during drilling and drilling related subterranean operations.... Agent:

20140090897 - Invert wellbore fluid: There is described an invert emulsion wellbore fluid that includes: an oleaginous external phase; a non-oleaginous internal phase; an emulsifier; and a rheological additive comprising a sulphonated polymer formed from 100 to 10,000 monomers. There is also described a method of drilling a subterranean hole using the invert emulsion drilling... Agent: M-i L.L.C.

20140090896 - Method for improving high temperature rheology in drilling fluids: A method for enhancing the rheology of drilling fluids that is effective for any mud weight “clay-free” invert emulsion drilling fluid, even when drilling at high temperatures. The improved rheology is effected with addition of a silicon oil to the drilling fluid. A nonlimiting example of such a rheology additive... Agent: Halliburton Energy Services, Inc.

20140090898 - Casing drilling bottom hole assembly having wireless power and data connection: Various embodiments of methods and systems for wireless power and/or data communications transmissions to a sensor subassembly above a mud motor in a bottom hole assembly are disclosed. Power and/or data are supplied by rotary modulator and power generation system positioned above the mud motor. Wires may connect to an... Agent: Schlumberger Technology Corporation

20140090900 - Blade flow pdc bits: An apparatus that includes one or more flow channels and method for fabricating such flow channels. The apparatus includes a body and one or more blades extending from one end of the body. Each blade includes a leading section, a trailing section, a face section extending from one end of... Agent: Varel International Ind., L.p.

20140090899 - Flow through gauge for drill bit: An apparatus that includes one or more flow channels and method for fabricating such flow channels. The apparatus includes a body, one or more blades from one end of the body, and a corresponding gauge section disposed adjacently and in alignment with a respective blade. Each gauge section includes a... Agent: Varel International Ind., L.p.

20140090901 - Machined high angle nozzle sockets for steel body bits: An apparatus that includes one or more machined high-angle sockets and method for fabricating such sockets. The apparatus includes a body, one or more blades extending outwardly from the body, and one or more high-angle nozzles machined into a portion of the blade. The body includes a bit face at... Agent: Varel International Ind., L.p.

03/27/2014 > 15 patent applications in 9 patent subcategories.

20140083764 - Method and apparatus for expendable tubing-conveyed perforating gun: Methods and apparatus are presented for a “disappearing” perforator gun assembly. In a preferred method of perforating a well casing, inserted into the well casing is a tubing conveyed perforator having an outer tubular made from a metallic glass alloy having high strength and low impact resistance. An inner structure... Agent: Halliburton Energy Services, Inc.

20140083765 - Automatic control system and method for a drilling tool changer apparatus: A control system for an automatic drilling tool changer apparatus for use with a drilling rig includes a drilling control device programmed with a control scheme for controlling the automatic drilling tool changer apparatus, and a user interface coupled to the drilling control device for initiating actions of the automatic... Agent: Caterpillar Global Mining Equipment LLC

20140083766 - Single trip multi-zone completion systems and methods: Disclosed are systems and methods of producing from multiple production zones with a single trip multi-zone completion system. One single trip multi-zone completion system includes an outer completion string having at least one sand screen arranged thereabout and a flow control device movably disposed within the at least one sand... Agent: Halliburton Energy Services, Inc.

20140083767 - System and method for the autonomous drilling of ground holes: A system and method for the drilling of ground holes by a track steer drill rig including a drilling arrangement that permits the speed of drilling holes to be balanced against the stability of the hole thus formed.... Agent: Technological Resources Pty. Limited

20140083769 - Coiled tube drilling bottom hole assembly having wireless power and data connection: Various embodiments of methods and systems for providing wireless power and data communication in a drilling assembly. One embodiment includes a system for transmitting power or data communications in a drill string. The system includes a drilling assembly having an inner cylindrical coil located inside an outer cylindrical coil. The... Agent: Schlumberger Technology Corporation

20140083768 - Drilling bottom hole assembly having wireless power and data connection: A bottom hole assembly (BHA) configured for use in a drill string of a wellsite drilling system. The BHA includes a measuring-while-drilling (MWD) module, a wireless power and data connection, and a rotary steerable system (RSS). The MWD module is configured for coupling to a drill string, and includes a... Agent: Schlumberger Technology Corporation

20140083771 - Mechanical caliper system for a logging while drilling (lwd) borehole caliper: A logging while drilling (LWD) caliper includes a drill collar, at least one movable pad, a hinge coupler, a power transmitter and a power receiver. The hinge coupler couples the movable pad to the drill collar in such a way that the movable pad can move between an open position... Agent: Schlumberger Technology Corporation

20140083773 - Reliability for electromagnetic data telemetry for downhole application on well drilling operations: A tool and associated methods for transmitting electromagnetic data telemetry from a downhole sensor during drilling operations. The tool may include a pressure housing, the pressure housing including an EM transmitter, receiver, or transceiver. A conductive element electrically coupled to the EM transmitter, receiver, or transceiver is positioned between an... Agent: Nabors International, Inc.

20140083770 - System and method for wireless drilling and non-rotating mining extenders in a drilling operation: Various embodiments of methods and systems for wireless power and data communications transmissions to a sensor subassembly below a mud motor in a bottom hole assembly are disclosed. Power and/or communications are transmitted through stationary or fixed coils. By leveraging resonantly tuned circuits and impedance matching techniques for the stationary... Agent: Schlumberger Technology Corporation

20140083772 - Vibration transmission and isolation: r

20140083774 - Drilling tool changer apparatus: A drilling tool changer apparatus for a drilling rig includes a drill tower pivotable between a drilling orientation and a change-out orientation, the drill tower supporting a drill string comprising a drill pipe coupled to a drilling tool. The drilling tool changer apparatus also includes a drilling tool storage device... Agent: Caterpillar Global Mining Equipment LLC

20140083775 - Rotary impact drill and double-layer drilling rod mechanism: A rotary drill and a double-layer drilling rod mechanism are disclosed. The rotary drill comprises a vibration excitation mechanism (1), a rotating mechanism (3) and a flushing mechanism (10). The rotating mechanism (3) consists of a rotary box (8), a driving gear (7), a rotary gear (6) and a rotary... Agent:

20140083776 - Method for initiating fluid circulation using dual drill pipe: A method for operating a dual drill string disposed in a wellbore, the string having a shutoff valve for at least a fluid return drill string therein proximate a bottom end thereof includes pumping fluid into the fluid return string such that a pressure therein is substantially equal to a... Agent:

20140083777 - Rotary steerable tool: A rotary steerable tool has an inner mandrel having a longitudinal axis and an outer housing positioned along the inner mandrel. The outer housing rotates independently of the inner mandrel. The outer housing has an engagement member that moves axially relative to the outer housing and the inner mandrel between... Agent:

20140083778 - Thread device, thread joint and drill string component for percussive rock drilling: A device in a drill string component for percussive rock drilling including a thread for threading together with another drill string component including a complementary thread. The thread includes a thread groove formed by two thread flanks and an intermediate thread bottom. In operation one of the flanks forms a... Agent: Atlas Copco Secoroc Ab

03/20/2014 > 10 patent applications in 10 patent subcategories.

20140076631 - Perforation gun string energy propagation management with tuned mass damper: A perforation tool assembly comprises a perforation gun, and a mass energy absorber coupled to the perforation gun. The mass energy absorber is configured to alter the propagation of mechanical energy released by firing one or more perforation guns. The mass energy absorber comprises a mass and at least one... Agent: Halliburton Energy Services, Inc.

20140076632 - Method to predict overpressure uncertainty from normal compaction trendline uncertainty: A method for predicting a pressure window for drilling a borehole in a formation includes: obtaining a pore pressure related data value of the formation using a data acquisition tool; predicting pore pressure uncertainty from the pore pressure related data value of the formation using a processor; estimating uncertainty of... Agent: Baker Hughes Incoroporated

20140076633 - Housing for downhole measurement: Systems, methods and devices for equipping a rotatable drill string with measurement equipment. The system includes a removable carriage unit arranged and designed to be disposed within a bore of a removable section of the rotatable drill string. The removable carriage unit has measurement equipment disposed within a cavity thereof.... Agent: Schlumberger Technology Corporation

20140076634 - Coring tools and related methods: A coring method includes disposing a coring tool in a borehole adjacent a subterranean formation to be sampled. The method further includes determining a property of the formation and selecting a coring tool operational mode based on the property of the formation. The method also includes obtaining a sample from... Agent: Schlumberger Technology Corporation

20140076635 - Method of carrying out a wellbore operation: A drilling mud comprising a base fluid in the form of a water-in-oil emulsion comprising droplets of a brine phase dispersed in a continuous oil phase wherein the brine phase has a dissolved salt concentration of at least 2.5 weight % and the emulsion is stabilized with (i) a first... Agent: Bp Exploration Operating Company Limited

20140076636 - Gas injection for managed pressure drilling: Injection of gas into a managed pressure drilling system to provide for operation of the drilling system in a pressure window defined by the pore pressure of a formation being drilled and a fracture pressure of the formation. The gas is injected through gas injection ports and drilling fluids are... Agent: Schlumberger Technology Corporation

20140076637 - Bi-stable valve: A bi-stable valve includes a first chamber having a first aperture and a second aperture, and a second chamber having a first aperture and a second aperture. The bi-stable valve also includes a shaft having a first valve member adjacent a first end of the shaft and a second valve... Agent: Schlumberger Technology Corporation

20140076638 - Pressurized fluid flow system having multiple work chambers for a down-the-hole drill hammer and normal and reverse circulation hammers thereof: A pressurized fluid flow system for a down the hole drill hammer has a plurality of chambers that exert work, namely one or more auxiliary drive and lifting chambers besides two main chambers located at opposite ends of the piston, the auxiliary chambers each formed around respective waists on the... Agent: Drillco Tools S.a.

20140076639 - Rock bit and cutter teeth geometries: A rolling cone drill bit for cutting a borehole comprises a rolling cone cutter mounted on a bit body and adapted for rotation about a cone axis. Further, the bit comprises a tooth extending from the cone cutter. The tooth includes a base at the cone cutter and an elongate... Agent:

20140076640 - Polycrystalline diamond structure: A PCD structure comprises a first region (24) and a second region (25) adjacent the first region, the second region being bonded to the first region by intergrowth of diamond grains; the first region comprising a plurality of alternating strata or layers (24c, 24t), each stratum or layer having a... Agent: Element Six Abraives S.a

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