| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Shaped charge tubing cutter | US13506691 | 2012-05-10 | US20130299194A1 | 2013-11-14 | William T. Bell; James G. Rairigh |
| A shaped charge pipe cutter is constructed with the cutter explosive material packed intimately around an axially elongated void space that is continued through a heavy wall boss portion of the upper thrust disc. The boss wall is continued to within a critical initiation distance of a half-cuter junction plane. An explosive detonator is positioned along the void space axis proximate of the outer plane of the upper thrust disc. Geometric configurations of the charge thrust disc and end-plate concentrate the detonation energy at the critical initiation zone. | ||||||
| 242 | Apparatus for deploying and activating a downhole tool | US13071655 | 2011-03-25 | US08579022B2 | 2013-11-12 | Robert B. Cook; Glenn M. Walls |
| An apparatus for deploying and activating a downhole tool activated by an explosive charge such as a drill pipe cutter or hole puncher. The apparatus includes a sealing member with an external wedge-shaped profile that forms a metal-to-metal partial seal with a profile at the top end of a pipe joint in a drill pipe string. The apparatus includes an impact force absorbing device that maintains a firing rod in a non-actuated position during impact of the apparatus. The apparatus includes a differential pressure piston that actuates at a pre-determined well bore pressure to release the firing rod to activate the downhole tool. | ||||||
| 243 | Downhole severing tool | US13986528 | 2013-05-13 | US20130284441A1 | 2013-10-31 | James E. Brooks |
| The pipe cutting capacity of an explosive pipe cutter may be improved by directing colliding shock fronts from opposite axial directions against a disc of metal having a shock impedance substantially corresponding to the shock impedance capacity of the explosive material | ||||||
| 244 | Wellbore laser operations | US13614556 | 2012-09-13 | US08528643B2 | 2013-09-10 | Roger L. Schultz; Loyd E. East; Harold G. Walters; Billy Wilson McDaniel; Mohamed Y. Soliman; Neal Gregory Skinner |
| Methods, systems, and devices related to downhole wellbore operations such as drilling and completing wells in an earth formation include a laser device. For example, a method may include characterizing a subterranean formation, selecting an orientation of an aperture based on characteristics of the subterranean formation, and using a laser to form an aperture of the selected orientation in the wall of the wellbore. | ||||||
| 245 | SELECTABLE, INTERNALLY ORIENTED AND/OR INTEGRALLY TRANSPORTABLE EXPLOSIVE ASSEMBLIES | US13750786 | 2013-01-25 | US20130133889A1 | 2013-05-30 | Timothy G. SCHACHERER; Marvin G. BATRES; Tommy THAMMAVONGSA; Randall S. MOORE |
| A system can include multiple explosive assemblies, each assembly comprising an outer housing, an explosive component rotatable relative to the housing, and a selective firing module which causes detonation of the component in response to a predetermined signal. A method can include assembling multiple explosive assemblies at a location remote from a well, installing a selective firing module, an electrical detonator and an explosive component in a connector, and connecting the connector to an outer housing, and then transporting the assemblies from the remote location to the well. A well perforating method can include assembling multiple perforating guns, each gun comprising a gun body, a perforating charge, and a selective firing module which causes detonation of the charge in response to a predetermined signal. The guns are installed in a wellbore, with the charge of each gun rotating relative to the respective gun body. | ||||||
| 246 | Blowout Container | US13452822 | 2012-04-20 | US20130126153A1 | 2013-05-23 | Dwight BAKER |
| A system for containing and recovering from the blowout of an oil or gas well. The blowout containment (BOC) system is operable in place of, or as a failsafe alternative to, standard blowout preventer (BOP) systems. The BOC system includes a hydraulically operated gate valve positioned over the well at the wellhead. The gate valve includes a check valve operable when the gate valve is closed. The BOC system further includes at least one shearing assembly positioned over the gate valve. The shearing assembly orients explosive charges into the well flow path. An activation trigger detonates the explosive charges to clear the well flow path of obstructions to permit the gate valve to close. Operation of the BOC system is preferably monitored and controlled from a remote location apart from the rig associated with the well. | ||||||
| 247 | AGENTS FOR ENHANCED DEGRADATION OF CONTROLLED ELECTROLYTIC MATERIAL | US13294246 | 2011-11-11 | US20130118759A1 | 2013-05-16 | James B. Crews |
| A method for degrading a downhole article includes exposing the downhole article comprising a controlled electrolytic material to a composition that comprises a reducing agent. The method also includes contacting the downhole article with the reducing agent to degrade the downhole article. Additionally, a composition for degrading a downhole article includes water, chelant, metal ions, and a reducing agent that includes ascorbic acid, erythorbic acid, a derivative thereof, a salt thereof, or a combination thereof. | ||||||
| 248 | Methods for Stimulating Multi-Zone Wells | US13700973 | 2011-04-25 | US20130105159A1 | 2013-05-02 | Jose Oliverio Alvarez; Michael T. Hecker; Ted A. Long; Scott R. Clingman |
| A method for stimulating a multi-zone wellbore completed with a string of production casing, including pumping a first volume of acidic fluid into the wellbore under pressure, and then injecting the first volume of acidic fluid into a first zone of interest along the production casing dropping at least one plug into the wellbore, the plug being fabricated from a material that substantially dissolves in the presence of the acidic fluid at or over a selected period of time. | ||||||
| 249 | Apparatus and Methods Utilizing Nonexplosive Energetic Materials for Downhole Applications | US13252809 | 2011-10-04 | US20130081825A1 | 2013-04-04 | Gerald D. Lynde; Yang Xu; Bennett M. Richard; Douglas J. Murray; Edward J. O'Malley |
| In one aspect, a method of method of performing a wellbore operation is disclosed that in one embodiment may include: providing a device that includes a non-explosive energetic material configured to disintegrate when subjected to a selected energy; placing the device at a selected location in the wellbore to perform a selected function; and subjecting the device to the selected energy to disintegrate the device in the wellbore after the device has performed the selected function. In another aspect an apparatus for use in a wellbore is disclosed that in one embodiment may include a device placed in the wellbore at a selected location, wherein the device includes a non-explosive energetic material configured to disintegrate when subjected to a selected energy, and a source of the selected energy configured to subject the device to the selected energy in the wellbore to disintegrate the device. | ||||||
| 250 | WELLBORE LASER OPERATIONS | US13614703 | 2012-09-13 | US20130008658A1 | 2013-01-10 | Roger L. Schultz; Loyd E. East; Harold G. Walters; Billy W. McDaniel; Mohamed Y. Soliman; Neal G. Skinner |
| Methods, systems, and devices related to downhole wellbore operations such as drilling and completing wells in an earth formation include a laser device. | ||||||
| 251 | WELLBORE LASER OPERATIONS | US13614549 | 2012-09-13 | US20130008653A1 | 2013-01-10 | Roger L. Schultz; Loyd E. East; Harold G. Walters; Billy W. McDaniel; Mohamed Y. Soliman; Neal Gregory Skinner |
| Methods, systems, and devices related to downhole wellbore operations such as drilling and completing wells in an earth formation include a laser device. | ||||||
| 252 | Dissolvable material application in perforating | US12603996 | 2009-10-22 | US08342094B2 | 2013-01-01 | Manuel P. Marya; Wenbo Yang; Lawrence A. Behrmann; Steven W. Henderson; Robert Ference |
| A shaped charge includes a charge case; a liner; an explosive retained between the charge case and the liner; and a primer core disposed in a hole in the charge case and in contact with the explosive, wherein at least one of the case, the liner, the primer core, and the explosive comprising a material soluble in a selected fluid. A perforation system includes a perforation gun, comprising a gun housing that includes a safety valve or a firing valve, wherein the safety valve or the firing valve comprises a material soluble in a selected fluid. | ||||||
| 253 | Method for removing a consumable downhole tool | US12190877 | 2008-08-13 | US08327926B2 | 2012-12-11 | Michael C. Robertson |
| A method for providing a torch apparatus into a well bore for providing heat to a material that includes the step of inserting the torch apparatus into the well bore, such that a plurality of slots along the torch apparatus are oriented to provide the heat and a source of oxygen to the material. The method further includes igniting a fuel load of the torch apparatus to provide the heat and the source of oxygen through the plurality of slots to the material so that the portion of the material is at least partially consumed. The interstitial spaces between the plurality of slots allow longitudinal flow of heat and the source of oxygen along the torch apparatus without interfering with the flow of heat and the source of oxygen through the slots. | ||||||
| 254 | Explosive well tool firing head | US13317657 | 2011-10-25 | US08302523B2 | 2012-11-06 | William T. Bell |
| A firing head embodiment of the invention confines a connected capacitance cartridge, explosive detonator, and wireline connection switch within an independent, cylindrical housing tube that is environmentally capped at both ends by threaded closures for secure transport to a well site. | ||||||
| 255 | Consumable downhole tools | US13218198 | 2011-08-25 | US08291969B2 | 2012-10-23 | Loren C. Swor; Phillip M. Starr; Don R. Smith; Brian Keith Wilkinson; Michael C. Robertson |
| A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magnesium oxide when exposed to heat and a source of oxygen. The downhole tool may further comprise a torch with a fuel load that produces the heat and source of oxygen when burned. The fuel load may comprise a flammable, non-explosive solid, such as thermite. | ||||||
| 256 | SELECTABLE, INTERNALLY ORIENTED AND/OR INTEGRALLY TRANSPORTABLE EXPLOSIVE ASSEMBLIES | US13078423 | 2011-04-01 | US20120247769A1 | 2012-10-04 | Timothy G. SCHACHERER; Marvin G. BATRES; Tommy THAMMAVONGSA; Randall S. MOORE |
| A system can include multiple explosive assemblies, each assembly comprising an outer housing, an explosive component rotatable relative to the housing, and a selective firing module which causes detonation of the component in response to a predetermined signal. A method can include assembling multiple explosive assemblies at a location remote from a well, installing a selective firing module, an electrical detonator and an explosive component in a connector, and connecting the connector to an outer housing, and then transporting the assemblies from the remote location to the well. A well perforating method can include assembling multiple perforating guns, each gun comprising a gun body, a perforating charge, and a selective firing module which causes detonation of the charge in response to a predetermined signal. The guns are installed in a wellbore, with the charge of each gun rotating relative to the respective gun body. | ||||||
| 257 | METHOD FOR REMOVING A CONSUMABLE DOWNHOLE TOOL | US12190877 | 2008-08-13 | US20120199351A1 | 2012-08-09 | Michael C. Robertson |
| A method for providing a torch apparatus into a well bore for providing heat to a material that includes the step of inserting the torch apparatus into the well bore, such that a plurality of slots along the torch apparatus are oriented to provide the heat and a source of oxygen to the material. The method further includes igniting a fuel load of the torch apparatus to provide the heat and the source of oxygen through the plurality of slots to the material so that the portion of the material is at least partially consumed. The interstitial spaces between the plurality of slots allow longitudinal flow of heat and the source of oxygen along the torch apparatus without interfering with the flow of heat and the source of oxygen through the slots. | ||||||
| 258 | PLUG AND METHOD OF UNPLUGGING A SEAT | US12947048 | 2010-11-16 | US20120118583A1 | 2012-05-17 | Michael H. Johnson; Zhiyue Xu |
| A method of unplugging a seat, including dissolving at least a surface of a plug seated against the seat, and unseating the plug from the seat. | ||||||
| 259 | Detonator for material-dispensing wellbore tools | US12684516 | 2010-01-08 | US08141639B2 | 2012-03-27 | Jeffrey David Gartz; Garret William Hansen; Robert Michael Frederick Lesiuk |
| An apparatus for use in dispensing fluid into a wellbore includes a piston element releasably coupled to a housing and a detonator in the housing that applies a force sufficient to release the piston element from the housing when activated. The apparatus also has an intermediate section that mates with the upper section, an elongated member coupled to the piston and that is positioned in a bore of the intermediate section; and a lower section having a housing that mates with the intermediate section. The housing includes at least one opening providing communication between a bore of the housing and an exterior of the housing; and a movable barrier in the lower section. The movable barrier has a first position, wherein the barrier substantially blocks communication between the bore of the intermediate section and the at least one opening, and a second position, wherein the barrier does not substantially block communication between the bore of the intermediate section and the at least one opening. | ||||||
| 260 | WELLBORE TUBULAR CUTTER | US13239008 | 2011-09-21 | US20120067578A1 | 2012-03-22 | Jeffrey D. Wood; Timothy Edward LaGrange; Matthew Clay |
| An apparatus and a method for cutting a wellbore tubular are described herein. The apparatus and the method may include an upper section and a lower section mating at a juncture plane defined by a plane transverse to the longitudinal axis of the wellbore tubular. Each section may include a support plate having a passage, a liner positioned adjacent to the support plate, and an energetic material disposed between the support plate and the liner. An initiator having a shaft may be positioned in the passages of the upper section and the lower section. | ||||||
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