Abstract

A compaction and/or hydro fracture generation device (10) comprises a compression device (11), a vibration generator device (12) arranged to generate vibrations in the ultrasonic frequency range, and a power source connected to the vibration generator.

IPC Classes  ?

• E21B 28/00 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
• E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
• E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping

Abstract

A system for cleaning of a drill bit, comprises a vibration generator arranged to generate vibrations in the ultrasonic frequency range in at least parts of the drill bit, and a power source connected to the vibration generator.

IPC Classes  ?

• E21B 7/24 - Drilling using vibrating or oscillating means, e.g. out-of-balance masses
• E21B 7/26 - Drilling without earth removal, e.g. with self-propelled burrowing devices

Abstract

A drill bit is provided, which comprises a cutter structure, at least one opening in the drill bit for removal of cuttings from the cutter structure, and at least two transport screws arranged in connection to the opening for transporting cuttings into the opening and further to a location remote from the drill bit.

IPC Classes  ?

• E21D 9/06 - Making by using a driving shield
• E21B 10/00 - Drill bits
• E21B 7/00 - Special methods or apparatus for drilling

Abstract

A system for communication through subterranean structures underneath a surface comprises at least one exploration tool adapted to penetrate into the underground, at least one transmitter, at least one receiver, and signal transfer means for transmitting signals between the exploration tool and a recording unit arranged overground, where at least one of the transmitter or receiver is integrated in the exploration tool. The exploration tool is a device which is able to penetrate into the underground in order to bring equipment into the underground independent of any existing or new wells.

IPC Classes  ?

• G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
• E21B 1/00 - Percussion drilling

Abstract

System for communicating over a power cable, comprising a power line connected to a power source at one end, a switch mode transformer connected to the power line at the other end for transforming voltage received from the power source through the power line, means for modulating the switch mode transformer, and a receiver situated at the power source end and adapted to detect and process ripple signals from the switch mode transformer propagated on the power line.

IPC Classes  ?

• H04B 3/54 - Systems for transmission via power distribution lines
• E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Abstract

A high voltage transformer (1) for cascade coupling wherein the high voltage transformer (1) comprises a primary winding (8), a high voltage winding (16) and a transformer core (4), and wherein the primary and high voltage windings (8, 16) encircles concentrically at least a part of the transformer core (4), and wherein the high voltage transformer (1) is provided with a secondary winding (24), as the high voltage winding (16) comprises one or more single layers connected in parallel.

IPC Classes  ?

• H01F 38/16 - Cascade transformers, e.g. for use with extra high tension
• H01F 30/04 - Fixed transformers not covered by group having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies
• H01F 27/38 - Auxiliary core membersAuxiliary coils or windings

Goods & Services

Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components; drilling machines; drilling bits (parts of machines); drilling heads; transmissions, other than for land vehicles; compressors; robots; control mechanisms for machines, engines or motors; extractors; parts and fittings for all the aforementioned goods. Scientific, nautical, weighing, measuring and checking (supervision) apparatus and instruments; sensors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electric cables and conductors; testing apparatus; computer programmes; data processing equipment; electronic signal transmitters; parts and fittings for all the aforementioned goods. Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; packing, stopping and insulating materials; insulation for electric cables and electricity conduits; waterproof packings; valves of India-rubber or vulcanized fiber; flexible pipes, not of metal; parts and fittings for all the aforementioned goods. Systematization and compilation of information into computer databases; computerized file management; statistical information; sales services concerning and the bringing together, for the benefit of others, of machines and machine tools, motors, machine coupling and transmission components, drilling machines, drilling bits and drilling heads, transmissions, other than for land vehicles, compressors, robots, control mechanisms for machines, engines and motors, extractors, scientific, nautical, weighing, measuring, checking (supervision) and regulating apparatus and instruments, sensors, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric cables and conductors, testing apparatus, computer programs, data processing equipment, electronic signal transmitters, rubber, gutta-percha, gum, asbestos, mica and goods made from these materials, packing, stopping and insulating materials, insulation for electric cables and electricity conduits, waterproof packings, valves of India-rubber or vulcanized fiber, flexible pipes, parts and fittings for all the aforementioned goods, enabling customers to conveniently view and purchase those goods. Repair services; installation services; installation, maintenance, repair and rental of machines and machine tools, motors, machine coupling and transmission components, drilling machines, drilling bits and drilling heads, transmissions, other than for land vehicles, compressors, robots, control mechanisms for machines, engines and motors, extractors, scientific, nautical, weighing, measuring and checking (supervision) apparatus and instruments, sensors, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric cables and conductors, testing apparatus, computer programmes, parts and fittings for all the aforementioned goods; drilling of wells. Scientific and technological services and research and design relating thereto; industrial analysis and research services; analysis for oil-field and gas-field exploration and exploitation; analysis for exploitation of natural resources; oil-field and gas-field surveys; geological research; geological prospecting; geological surveys; chemical analysis; consultancy services concerning geological prospecting, exploration and surveys; underwater exploration; engineering; design and development of computer hardware and software; design, updating and maintenance of computer software; rental of computers and software; quality control.

Goods & Services

Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components; drilling machines; drilling bits (parts of machines); drilling heads; transmissions, other than for land vehicles; compressors; robots; control mechanisms for machines, engines or motors; extractors; parts and fittings for all the aforementioned goods. Scientific, nautical, weighing, measuring and checking (supervision) apparatus and instruments; sensors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electric cables and conductors; testing apparatus; computer programmes; data processing equipment; electronic signal transmitters; parts and fittings for all the aforementioned goods. Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; packing, stopping and insulating materials; insulation for electric cables and electricity conduits; waterproof packings; valves of india-rubber or vulcanized fiber; flexible pipes, not of metal; parts and fittings for all the aforementioned goods. Systematizing and compilation of information into computer databases; computerized file management; statistical information; sales services concerning and the bringing together for the benefit of others of machines and machine tools, motors, machine coupling and transmission components, drilling machines, drilling bits and drilling heads, transmissions, other than for land vehicles, compressors, robots, control mechanisms for machines, engines and motors, extractors, scientific, nautical, weighing, measuring, checking (supervision) and regulating apparatus and instruments, sensors, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric cables and conductors, testing apparatus, computer programmes, data processing equipment, electronic signal transmitters, rubber, gutta-percha, gum, asbestos, mica and goods made from these materials, packing, stopping and insulating materials, insulation for electric cables and electricity conduits, waterproof packings, valves of india-rubber or vulcanized fiber, flexible pipes, parts and fittings for all the aforementioned goods enabling customers to conveniently view and purchase those goods. Repair services; installation services; installation, maintenance and repair of machines and machine tools, motors, machine coupling and transmission components, drilling machines, drilling bits and drilling heads, transmissions, other than for land vehicles, compressors, robots, control mechanisms for machines, engines and motors, extractors, scientific, nautical, weighing, measuring and checking (supervision) apparatus and instruments' sensors, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric cables and conductors, testing apparatus, computer programmes, parts and fittings for all the aforementioned goods; rental of machines and machine tools, motors and engines, machine coupling and transmission components, drilling machines, drilling bits, drilling heads, transmissions, other than for land vehicles, compressors, robots (machines), control mechanisms for machines, engines and motors, extractors, parts and fittings for all the aforementioned goods; drilling of wells. Scientific and technological services and research and design relating thereto; industrial analysis and research services; analysis for oil-field and gas-field exploration and exploitation; analysis for exploitation of natural resources; oil-field and gas-field surveys; geological research; geological prospecting; geological surveys; chemical analysis; consultancy services concerning geological prospecting, exploration and surveys; underwater exploration; engineering; design and development of computer hardware and software; design, updating and maintenance of computer software; rental of scientific, nautical, weighing, measuring and checking (supervision) apparatus and instruments, sensors, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric cables and conduits, testing apparatus, computers and computer programmes; quality control.