| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | ENHANCING THE EFFECTIVENESS OF ENERGY HARVESTING FROM FLOWING FLUID | EP11760201 | 2011-03-24 | EP2473735A4 | 2017-11-29 | PABON JAHIR; BETTIN GIORGIA |
| An apparatus and method to enhance the efficiency of an energy harvesting device is disclosed. A modulator module creates fluctuations in the flow at a predetermined frequency or group of frequencies and these fluctuations increase mechanical vibrations which are then harvested by an energy harvesting module. | ||||||
| 102 | OPTIMIZING POWER DELIVERED TO AN ELECTRICAL ACTUATOR | EP15851944.7 | 2015-09-21 | EP3209858A1 | 2017-08-30 | ZACHARKO, Jonathan Peter; WONG, David Yan Lap; LOZINSKY, Clint Paul |
| A method for controlling an electrical actuator is disclosed. The method may include driving an electrical actuator at a power level during each of a plurality of actuation attempts and determining whether the electrical actuator actuated during each of the plurality of actuation attempts. The method may also include counting a number of failed actuation attempts, counting a number of successful actuation attempts. In addition, the method may include adjusting the power level based on at least one of the number of failed actuation attempts and the number of successful actuation attempts, and driving the electrical actuator at an adjusted power level. | ||||||
| 103 | A DOWNHOLE ASSEMBLY | EP08788546.3 | 2008-09-04 | EP2198113B1 | 2017-08-16 | Mcloughlin, Stephen John; Swietlik, George |
| 104 | DOWNHOLE TURBINE ASSEMBLY | EP14907899.0 | 2014-12-09 | EP3201422A1 | 2017-08-09 | RILEY, Benjamin Scott; CHAMBERS, Larry DeLynn |
| A downhole turbine assembly includes a stator housing having one or more stator blades positioned within the stator housing and extending radially inward therefrom. A rotor shaft having a first end and a second end is rotatably positioned within the stator housing and has a first portion exhibiting a first diameter and a second portion exhibiting a second diameter greater than the first diameter. One or more rotor blades are secured to the second portion for rotation with the rotor shaft, and a first bearing assembly is positioned at the first end and a second bearing assembly is positioned at the second end. At least one of the bearing housings provides a primary flow path and a secondary flow path, and one or more radial bearings and one or more thrust bearings are arranged in the secondary flow path. | ||||||
| 105 | WIRELESS POWER TRANSMISSION TO DOWNHOLE WELL EQUIPMENT | EP15736157.7 | 2015-06-30 | EP3161250A1 | 2017-05-03 | AHMAD, Talha, Jamal |
| Wireless power transmission to downhole well installations is provided using acoustic guided Lamb waves and a tubular conduit (production tubing, casing) as the power transmission medium. A phased array of acoustic transmitters is present at the transmitting end (surface) and an array of acoustic receivers at the receiving end (downhole). Both transmitter and receiver arrays are coupled to the tubular conduit. Beamforming techniques are used along with power amplifiers to generate directional, high power and low frequency acoustic guided Lamb waves along the wellbore to transmit power over long distances. A downhole multi-channel acoustic energy collecting system receives the transmitted acoustic signal, and generates electrical power and stores the power in downhole electrical power storage. This power is used to operate downhole well equipment including sensing, control and telemetry devices. | ||||||
| 106 | ELECTRICAL GENERATOR AND ELECTRIC MOTOR FOR DOWNHOLE DRILLING EQUIPMENT | EP13884036 | 2013-06-14 | EP2964868A4 | 2017-03-08 | GAWSKI VICTOR; SNYDER JOHN KENNETH |
| 107 | MODULAR SIGNAL INTERFACE DEVICES AND RELATED DOWNHOLE POWER AND DATA SYSTEMS | EP14764474 | 2014-03-15 | EP2971494A4 | 2017-01-18 | COOLEY JOHN J; SIGNORELLI RICCARDO; GREEN MORRIS; LANE JOSEPH; KALABATHULA SUSHEEL; DEANE CHRISTOPHER JOHN SIBBALD; EPSTEIN JAMES; FLEMING KYLE; CAHILL TOM |
| A downhole power system is provided that includes an energy storage adapted to operate at high temperatures, and a modular signal interface device that serves to control the energy storage component as well as offer a means of data logging at high temperatures. The controller is fabricated from pre-assembled components that may be selected for various combinations to provide desired functionality. The energy storage may include at least one ultracapacitor. | ||||||
| 108 | ELECTRICAL POWER GRID FOR A DOWNHOLE BHA | EP14803871 | 2014-05-05 | EP3004529A4 | 2016-12-28 | LI FEI; EL-HALAWANI TAMIR |
| 109 | Method and system for control and protection of direct current subsea power systems | EP14176708.7 | 2014-07-11 | EP2827158B1 | 2016-12-14 | Dong, Dong; Garces, Luis Jose; Lai, Rixin; Chi, Song; Todorovic, Maja Harfman; Zhang, Di |
| 110 | A DOWNHOLE COMPLETION SYSTEM | EP15170311.3 | 2015-06-02 | EP3101220A1 | 2016-12-07 | Larsen, Jesper Oluf |
The present invention relates to a downhole completion system for charging a device outside a well tubular metal structure. The downhole completion system comprises the well tubular metal structure having an inner and an outer face and a centre axis; a power receiving unit arranged outside the well tubular metal structure, comprising an inductive coil having windings around a coil axis; and a power consuming device arranged outside the well tubular metal structure, configured to receive power from the power receiving unit. The coil axis is parallel or coincident with the centre axis.
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| 111 | WELL TOOL HAVING OPTICAL TRIGGERING DEVICE FOR CONTROLLING ELECTRICAL POWER DELIVERY | EP14743402 | 2014-01-08 | EP2948627A4 | 2016-09-21 | SKINNER NEAL G; SHARP DAVID P |
| A method of controlling electrical power delivery to a well tool can include transmitting trigger light via an optical waveguide to a circuit in a well, and the circuit delivering the electrical power to the well tool in response to the circuit receiving the trigger light. A circuit for supplying electrical power to at least one well tool can include a photodiode which receives light from an optical waveguide in a well, a voltage increaser which increases a voltage output by the photodiode, and an electrical energy storage device which receives electrical energy via the voltage increaser, whereby the electrical power can be supplied to the downhole well tool from the storage device. | ||||||
| 112 | TURBINE-PUMP SYSTEM | EP14852090.1 | 2014-10-02 | EP3055574A1 | 2016-08-17 | Baski, Henry |
| A turbine-pump system adapted for use with well liquid that is displaceable within a well conduit. The turbine-pump system may include a bowl assembly; and a bowl support device fixedly attachable to the bowl assembly and selectively engageable with the well conduit for holding a portion of the bowl assembly in substantially axially, radially and rotationally fixed relationship with the well conduit. A turbine-pump system bowl assembly for use with flowing liquid in a liquid conduit has an impeller subassembly that includes multiple axially abutting impeller members. | ||||||
| 113 | DOWNHOLE MUD POWERED BATTERY | EP16000213.5 | 2016-01-29 | EP3051615A1 | 2016-08-03 | Shitikov, Vladimir |
Methods, systems, and devices for powering downhole tools with an electrochemical device are provided. A downhole power system includes an electrochemical device having an anode and a cathode. The power system includes a downhole tool electrically communicating with the electrochemical device to provide electrical power to the downhole tool. The electrochemical device is activated when immersed in a downhole fluid and inactive when not immersed in the downhole fluid, the downhole fluid functioning as an electrolyte.
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| 114 | A SYSTEM FOR PERFORMING AN OPERATION IN A WELLBORE | EP14777069.7 | 2014-09-26 | EP3049611A2 | 2016-08-03 | VAN DER ENDE, Andre |
| A system for performing an operation within an elongated space comprises a tool configured for deployment within the elongated space, an insulated slickline connected to the tool, and a winch for hauling in and/or paying out the slickline. The system further comprises a winch controller which is configured to receive information transmitted electrically from the tool along the slickline and to control the winch according to the received information. The tool may comprise a downhole tool, for example a downhole tool for performing an operation in an oil or gas well. The tool may comprise a downhole tractor for advancing a further tool along the elongated space. The tool may comprise an electrical generator tool or a tool for performing a mechanical operation within the elongated space. | ||||||
| 115 | Systems and methods of harvesting energy in a wellbore | EP12158783.6 | 2012-03-09 | EP2497899B1 | 2016-04-27 | Hardin, John R.; Sitka, Mark |
| 116 | ENVIRONMENTALLY POWERED TRANSMITTER FOR LOCATION IDENTIFICATION OF WELLBORES | EP13764851 | 2013-03-22 | EP2828479A4 | 2016-04-20 | SWANSON AARON R; FROST JR ELTON; DWYER JAMES P |
| A method, apparatus and system for performing an operation in a borehole is disclosed. A device is disposed in a downhole environment of the borehole to perform the downhole operation. An energy harvesting unit coupled to the device harvests energy from an energy source in a downhole environment of the device and provides the harvested energy to the device to perform the downhole operation. | ||||||
| 117 | ELECTRICAL POWER STORAGE FOR DOWNHOLE TOOLS | EP14830274.8 | 2014-07-08 | EP2994593A1 | 2016-03-16 | MURPHREE, Zachary, R.; FRIPP, Michael, L.; KYLE, Donald, G. |
| A method of activating a downhole tool can include configuring the tool having an electrical power source, an electrical load, control circuitry which controls the electrical load, and a switch which selectively permits current flow between the power source and the circuitry, and generating electricity, thereby causing the switch to permit current flow between the power source and the circuitry. A downhole tool can include an electrical power source, an electrical load, control circuitry, a switch which selectively permits current flow between the power source and the circuitry, and a generator. Another method can include displacing a fluid and/or an object at the tool, generating electricity in response to the displacing, permitting current flow between an electrical power source and a control circuitry in response to the generating and, after the permitting and in response to detection of a predetermined signal, the circuitry causing activation of an electrical load. | ||||||
| 118 | Downhole wireless transfer system | EP14182419.3 | 2014-08-27 | EP2990593A1 | 2016-03-02 | Vasques, Ricardo Reves; Massey, Dean Richard |
The present invention relates to a downhole wireless transfer system (1) for transferring signals and/or power, comprising a well tubular structure (2) arranged in a borehole (3), defining an annulus (4) therebetween, the well tubular structure having an inner face (5) and an outer face (6), a downhole tool (7) comprising a first ultrasonic transceiver (8), a second ultrasonic transceiver (9) connected to the outer face of the well tubular structure, wherein the tool comprises a projectable means (10) for bringing the first ultrasonic transceiver in contact with the inner face of the well tubular structure, so that signals and/or power can be transferred through the well tubular structure via ultrasonic waves between the first and second ultrasonic transceivers. The present invention also relates to a method for wirelessly transferring signals and/or power in a downhole wireless transfer system according to the present invention.
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| 119 | Bohrkopf und Vorrichtung zum Herstellen einer Bohrung im Erdreich | EP15160434.5 | 2015-03-24 | EP2957710A1 | 2015-12-23 | Jenne, Dietmar; Stauffer, Alexander |
Die Erfindung betrifft einen Bohrkopf (10, 100) und eine Vorrichtung zum Herstellen einer Bohrung im Erdreich, wobei der Bohrkopf (10, 100) eine erste mit einem Innengestänge eines Doppelrohrgestänges koppelbare Einheit (24, 76) und eine zweite mit einem Außengestänge des Doppelrohrgestänges koppelbare Einheit (22) hat. Die erste Einheit (24, 76) ist mit Hilfe des Innengestänges relativ zu der mit Hilfe des Außengestänges antreibbaren zweiten Einheit (22) um eine Drehachse (20) drehbar. Der Bohrkopf (10, 100) hat eine Gleitkontaktanordnung (60, 110) zum Herstellen einer elektrischen Verbindung zwischen der ersten Einheit (24, 76) und der zweiten Einheit (22).
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| 120 | METHOD TO CONTROL A BLOWOUT FROM AN OIL/GAS WELL WITH A DETACHABLE CAPPING DEVICE | EP13872938.9 | 2013-01-28 | EP2948615A1 | 2015-12-02 | Carrascal Ramirez, Liliana |
| Offshore oil well blowouts can bring serious environmental damages which can cause serious economic loses. Oil wells under blowout conditions can be gushing fluids for months before the well is capped and plugged. Placing a capping device on the top of the well head can be challenged. In this paper it is presented a detachable capping device and a method that will help to control the well, or to plug it. The gushing fluids will be redirect through pipe to a surface vessel where they will be collected. | ||||||
