| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Blowout preventer stacks | EP85301987.5 | 1985-03-22 | EP0159813A2 | 1985-10-30 | Walker, Stephen J. |
An improved blowout preventer stack includes a plurality of ram type blowout preventers (14), an annular blowout preventer (13), and a plurality of tie rods (18) connecting the blowout preventers into a stack. The upper ends of the rods (18) are secured to the side of the upper member of the stack and the lower end of the rods are secured to the lower end of the stack with securing means (20) to maintain the preset tension in the tie rods. An improved test stump (38) is provided to supportthe stack and connect to and exert tension of the tie rods responsive to pressure supplied to the rest stump to preset the tension therein. The improved method of the present invention includes the step of assembling the components into a stack supported on the test stump, securing the tie rods to the upper member of the stack, connecting the pressure responsive means of the test stump to the lower end of the tie rods, supplying pressure to the pressure responsive means of the test stump to pretension the tie rods and tightening the securing means on the end of the tie rods to maintain the preset tension in the tie rods. |
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| 162 | Downhole instrument and methods of manufacturing and using the same | EP83101245 | 1983-02-09 | EP0085989A3 | 1985-07-03 | Dickinson, Ben Wade Oakes, III |
Bore hole instrument and methods of manufacturing and using the same. The instrument includes an elongated flexible probe which is inserted into a bore hole and can travel freely around bends of relatively short radius in the hole. The probe includes a plurality of sensors, explosive charges or the like which are spaced apart and embedded in a flexible body comprising a mass of cushioning material, with a flexible outer casing of fabric having a high tensile strength. The probe is driven into a bore hole in piston-like fashion, and the flexible body enables the probe to travel freely around bends of relatively short radius. Instrumentation for processing signals from the probe is located at the surface of the earth, and a flexible cable interconnects the instrumentation with the probe. |
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| 163 | METHOD OF CONVERTING A CABLE IN THE GROUND INTO A CLOSED GUIDING TRACK FOR INSERTION OF NEW CONDUCTORS | EP81902058.0 | 1981-07-13 | EP0055760A1 | 1982-07-14 | EDVARDSEN, Einar |
| Procede d'extraction des parties interieures de cables souterrains, de preference des cables coaxiaux (1) et de telecommunication (2), pour l'introduction de nouveaux conducteurs. Le materiau d'isolation (3, 4) peut etre dissout ou decompose par l'action chimique du xylene ou de l'ethylene diamine cuprique par exemple, pour le cable coaxial (1) et le cable de telecommunication (2), respectivement, de telle sorte que la solution serve d'agent de glissement par le retrait du/des conducteur(s) (5, 6). Les rondelles isolantes (3) du cable coaxial (1) peuvent etre fondues par insertion d'un element chauffant (8) ou par la chaleur provenant d'une resistance electrique dans les pieces (5, 7, 9) du cable. Les rondelles isolantes (3) dans le cable coaxial (1) et les conducteurs (6) avec le materiau isolant (4) dans un cable de telecommunication (2) peuvent etre broyees et retirees. En appliquant des oscillations electromagnetiques sous pression, les rondelles isolantes (3) du cable coaxial (1) peuvent etre detruites. Le materiau isolant (3) et le conducteur (5) d'un cable coaxial (1) peuvent etre retires en introduisant un fluide sous pression oscillant avec, simultanement, une tension dans le conducteur central (5). | ||||||
| 164 | CONTROLLED TIMING OF ACTUATED PLUG ELEMENT AND METHOD | US16134147 | 2018-09-18 | US20190153799A1 | 2019-05-23 | John T. HARDESTY |
| A ball for sealing a plug in a well, the ball including a body; an actuation mechanism located inside the body and configured to break the body into parts; and a sensor connected to the actuation mechanism and configured to measure a parameter outside the body. The actuation mechanism includes a first timer that is triggered by a first measured value of the parameter, and also includes a second timer that is triggered by a second measured value of the parameter. | ||||||
| 165 | Well-component severing tool with a radially-nonuniform explosive cartridge | US15127678 | 2014-05-12 | US10145195B2 | 2018-12-04 | Gerald Graves Craddock, Jr.; Justine Marie Davidson |
| An assembly for an explosive device for severing a well component is provided. The assembly can include an outer housing. The assembly can also include a radially-nonuniform explosive cartridge disposed within the outer housing, and the radially-nonuniform explosive cartridge can include at least four protrusions. | ||||||
| 166 | Methods of removing a wellbore isolation device using a eutectic composition | US13523095 | 2012-06-14 | US10145194B2 | 2018-12-04 | Pete Dagenais; Michael Fripp; Syed Hamid |
| A wellbore isolation device comprises: a first composition, wherein the first composition comprises: (A) a first substance; and (B) a second substance, wherein the first composition has a solid-liquid phase transformation temperature less than the solid-liquid phase transformation temperatures of at least the first substance or the second substance at a specific pressure. A method of removing a wellbore isolation device comprises: increasing the temperature surrounding the wellbore isolation device; and allowing at least a portion of the first composition to undergo a phase transformation from a solid to a liquid. A method of inhibiting or preventing fluid flow in a wellbore comprises: decreasing the temperature of at least a portion of the wellbore; positioning the wellbore isolation device in the at least a portion of the wellbore; and increasing the temperature of the at least a portion of the wellbore. | ||||||
| 167 | DOWNHOLE TOOLS HAVING CONTROLLED DEGRADATION AND METHOD | US15599128 | 2017-05-18 | US20180283142A1 | 2018-10-04 | Zhihui Zhang; Zhiyue Xu; Goang-Ding Shyu; Juan Carlos Flores Perez; James Doane; Yingqing Xu |
| A downhole assembly includes a downhole tool including a degradable-on-demand material including: a matrix material; and, a unit in contact with the matrix material. The unit includes a core including an energetic material configured to generate energy upon activation to facilitate degradation of the downhole tool; and, an activator disposed in contact with the core, the activator including a triggering system having an electrical circuit and an igniter within the electrical circuit, the electrical circuit having an open condition and a closed condition, the electrical circuit configured to be in the closed condition after movement of an object downhole that engages directly or indirectly with the triggering system, and the igniter arranged to ignite the energetic material in the closed condition of the electrical circuit. In the open condition of the electrical circuit the igniter is inactive, and in the closed condition of the electrical circuit the igniter is activated. | ||||||
| 168 | DOWNHOLE TOOLS HAVING CONTROLLED DISINTEGRATION | US15472382 | 2017-03-29 | US20180283119A1 | 2018-10-04 | Zhihui Zhang; Zhiyue Xu; Goang-Ding Shyu; Juan Carlos Flores Perez |
| A multilayered unit includes a core comprising an energetic material and an activator; a support layer disposed on the core; and a protective layer disposed on the support layer, wherein the support layer and the protective layer each independently comprises a polymeric material, a metallic material, or a combination comprising at least one of the foregoing, provided that the support layer is compositionally different from the protective layer. The multilayered unit can be embedded in a component, attached to a component, or disposed between two components of a downhole assembly. The downhole assembly containing the multilayered unit has controlled disintegration in a downhole environment. | ||||||
| 169 | Method and apparatus for string access or passage through the deformed and dissimilar contiguous walls of a wellbore | US14412960 | 2013-07-05 | US10081998B2 | 2018-09-25 | Bruce A. Tunget |
| Method and apparatus for providing access to a lower end wellbore through an impasse using an circumferential adaptable apparatus and downhole devices to pilot a tool string through an existing obstructive frictional or restricted passageway with dissimilar well bore walls, wherein piloting a tool string may comprise displacing debris within and/or deforming its proximally circular and/or deformed bores or traversing an obstructive passageway therebetween, and whereby various downhole devices may be incorporated, deployed and oriented relative to a proximal axis or proximally contiguous wall, using the expandable and collapsible members of the present invention engaged about a plurality of shafts, usable to pilot the tool string through a conventional impasse or restriction of said walls of said dissimilar contiguous passageways. | ||||||
| 170 | Well tool centralizer systems and methods | US14825005 | 2015-08-12 | US10077617B2 | 2018-09-18 | William T. Bell; James G. Rairigh |
| An apparatus and method, usable for centering downhole well tools within a pipe or wellbore, comprises a cylindrical end boss extension, from a distal end of a well tool housing, and a thin ring secured about said end boss comprising a plurality of radial apertures. Thin metallic wires, having distal ends secured within said apertures, extend radially from said ring into contact with the inside wall(s) of the pipe or wellbore. An alternative embodiment includes an annular extension from the distal end of said well tool that encloses a cavity within. A plurality of diametrically opposite apertures in said annular extension receives respective wires across a tool housing axis to project in opposite directions into contact with said inside wall of the pipe or wellbore. Said wires may be secured to said well tool by a potting compound, including a high temperature silica compound, an adhesive paste, or other compounds. | ||||||
| 171 | HELICAL COIL ANNULAR ACCESS PLUG AND ABANDONMENT | US15918393 | 2018-03-12 | US20180258735A1 | 2018-09-13 | Randall S. SHAFER |
| A method for creating access to annular spacing during P&A operations is described. Specifically, helical coils are cut into one or more casings before the plugging material is set. The plugging material is able to exit the helical coils, forming multiple, small rock-to-rock seals. | ||||||
| 172 | DOWNHOLE TOOLS HAVING CONTROLLED DEGRADATION | US15456752 | 2017-03-13 | US20180258722A1 | 2018-09-13 | Ryan Allen |
| A method of controllably disintegrating a downhole article comprises disposing the downhole article in a downhole environment, the downhole article containing a matrix material; a first chemical; and a second chemical physically isolated from the first chemical, and allowing the first chemical to contact and react with the second chemical generating an acid, a salt, heat, or a combination comprising at least one of the foregoing that accelerates the degradation of the matrix material in a downhole fluid. | ||||||
| 173 | DOWNHOLE TOOLS AND METHODS OF CONTROLLABLY DISINTEGRATING THE TOOLS | US15446231 | 2017-03-01 | US20180252063A1 | 2018-09-06 | YingQing Xu; Zhihui Zhang; Rajani Satti; Levi Oberg; Derek Shelby Bale; Kim Ann Noren; Dawne Doxey |
| A method of controllably disintegrating a downhole article comprises disposing a first article in a downhole environment, the first article being the downhole article to be disintegrated; disposing a second article in the downhole environment after the first article is disposed, the second article carrying a device, a chemical, or a combination comprising at least one of the foregoing; and disintegrating the first article with the device, chemical, or the combination comprising at least one of the foregoing from the second article. | ||||||
| 174 | REMOVING A CASING SECTION IN A WELLBORE | US15752924 | 2016-08-04 | US20180245450A1 | 2018-08-30 | David A. Stokes; James Bain; Walter E. Friedl; Douglas A. Pipchuk |
| Methods and tools for cutting a component in a wellbore are include use of a downhole tool that is tripped into a wellbore. The downhole tool includes at least one sensor that determines whether a quality of a cement around casing satisfies a predetermined standard. The casing is cut to remove an axial section of the casing and the at least one sensor determines whether at least a segment of the axial section of the casing remains adhered to the cement after the casing is cut. A casing removal tool can be activated to remove any remaining segments of casing in the axial section. A plug can be formed in the area where the axial segment of the casing was removed. The downhole tool may include a cutting tool with a laser, abrasive jet, or other cutting element shielded from wellbore debris by a fluid stream. | ||||||
| 175 | DOWNHOLE TOOLS COMPRISING AQUEOUS-DEGRADABLE SEALING ELEMENTS OF THERMOPLASTIC RUBBER | US15106380 | 2015-12-22 | US20180163503A1 | 2018-06-14 | Michael Linley Fripp; Zachary William Walton; Charles Timothy Smith |
| Downhole tools and methods and systems associated therewith, wherein the downhole tools comprise a body and at least one sealing element comprising an aqueous-degradable thermoplastic rubber copolymer composed of a thermoplastic component and a rubber component. The thermoplastic component is present in an amount of about 5% to about 95% by weight of the aqueous-degradable thermoplastic rubber copolymer, and at least a portion of the sealing element hydrolytically degrades when exposed to an aqueous fluid. | ||||||
| 176 | Well emergency separation tool for use in separating a tubular element | US14241244 | 2012-08-30 | US09982500B2 | 2018-05-29 | Curtis Len Wilie; Simon McKay |
| A method of separating a tubular element, comprising providing a tubular element having an inner and an outer surface, a circumference of said outer surface, a longitudinal axis and a first end and a second end; radially surrounding said tubular element with an explosive shaped charge material, wherein said shaped charge explosive material is capable of generating a high-velocity plasma jet in response to an activation signal, and wherein said explosive material comprises an electrically conductive layer; transmitting said activation signal to said explosive material; generating said high-velocity plasma jet; and separating said tubular element into a first portion comprising said first end and a second portion comprising said second end when said high-velocity plasma jet penetrates said outer surface of said tubular element and exits said inner surface of said tubular element. | ||||||
| 177 | High power laser iris cutters | US14791060 | 2015-07-02 | US09957766B2 | 2018-05-01 | Mark S. Zediker; Robert R. Rice; William F. Krupke; Brian O. Faircloth |
| There are provided using deuterium oxide as a media for transmitting high power lasers to perform laser operations, such as cutting, boring and drilling, a target material. High power laser beams are transmitted through a deuterium oxide beam path to a target material, including material in a pressure containment vessel. | ||||||
| 178 | Tool | US15037247 | 2014-11-18 | US09932792B2 | 2018-04-03 | Rae Andrew Younger; Simon McKay; James George Oag |
| A severance tool for severing a target is described. The severance tool comprises a housing, a plurality of focused energetics, each focused energetic adapted to release energy in a preferred direction and a trigger mechanism adapted to detonate the focused energetics. The focused energetics are aligned such that, on impact with a target comprising a material, the energy released by one of said focused energetics cooperates with the energy released by another of said focused energetics to establish a separating force within the target material. | ||||||
| 179 | Selective restoration of fluid communication between wellbore intervals using degradable substances | US14419760 | 2014-02-14 | US09932791B2 | 2018-04-03 | Zachary W. Walton; Michael L. Fripp; Zachary R. Murphree |
| Methods of removing two or more isolation devices is provided. An example method includes introducing two or more isolation devices into a wellbore comprising at least two wellbore intervals. Each isolation device comprises a substance and each of the substances degrades within the wellbore. The degradation rate of each of the substances causes fluid communication to be restored between the wellbore intervals in a desired amount of time. The method further includes causing or allowing each of the substances to degrade. | ||||||
| 180 | Tubing Removal System | US15519422 | 2015-12-03 | US20180087339A1 | 2018-03-29 | Darren Philip Walters; Kevin Scott Harive |
| Example apparatus, methods, and systems described for cutting tubulars in a downhole environment. In an example apparatus, energetic cutters are housed within a carrier. In some embodiments, the carrier is a cylindrical, tubular member. Radial energetic cutters are positioned at the ends of the carrier and linear energetic cutters are positioned between the radial energetic cutters. Initiation of the energetic cutters results in tubular fragments that fall downhole. | ||||||
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