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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8146669 | Multi-step heater deployment in a subsurface formation A method for installing a horizontal or inclined subsurface heater includes placing a heating section of a heater in a horizontal or inclined section of a wellbore with an installation tool. The tool is uncoupled from the heating section. A lead in section is mechan... | 04/03/2012 |
| 8118105 | Modular electro-hydraulic controller for well tool An actuator control system includes a housing assembly having at least one line therein for controlling operation of an actuator, and a modular controller attached externally to the housing assembly and interconnected to the line. A method of constructing an actuato... | 02/21/2012 |
| 7997346 | Percussion drilling assembly with annular locking member A percussion drilling assembly for boring into the earth. In an embodiment, the assembly comprises a tubular case having a central axis and a lower end. In addition, the assembly comprises a driver sub having an upper end threadingly engaged with the lower end of th... | 08/16/2011 |
| 7849928 | System and method for supporting power cable in downhole tubing ESP power cable is inserted into a length of tubing disposed in a wellbore. The device comprises a support attachable to the cable that is in frictional sliding contact with the tubing inner surface. The frictional sliding contact between the support and the tubing ... | 12/14/2010 |
| 7810573 | Method for retrofitting a downhole drill string with a flow through subassembly and method for making same A method for retrofitting a downhole drill string with a flow through subassembly having a hollow outer body or barrel with a plurality of outwardly extending blades. Fluid flow inlets are provided in the lower section of the body below the blade openings and flow o... | 10/12/2010 |
| 7784550 | Downhole apparatus with a swellable connector A kit of parts which is assembled to form downhole apparatus comprises a swellable member, which expands upon contact with at least one predetermined fluid, and a connector. The swellable member has a first mating profile towards a first end and a second mating prof... | 08/31/2010 |
| 7775287 | Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods Earth-boring rotary drill bits including a bit body attached to a shank. In some embodiments, the bit body and the shank may have abutting surfaces concentric to an interface axis offset relative to a longitudinal axis of the drill bit. In additional embodiments, th... | 08/17/2010 |
| 7708078 | Apparatus and method for delivering a conductor downhole A conductor delivery arrangement includes a length of feedable tubing; a landing tool in operable communication with the feedable tubing; and a conductor in operable communication with the landing tool and method. ... | 05/04/2010 |
| 7703539 | Expandable downhole tools and methods of using and manufacturing same An expandable downhole tool is disclosed that employs naturally occurring organic matter as the expandable material. The expandable material is located within an enclosure formed in part by an impermeable element, which may form a hydraulic seal, and a permeable mem... | 04/27/2010 |
| 7658230 | High pressure insulated electrical, fiber and tubing feed-through fitting assembly A protective pressure-resistant enclosure, or housing is provided, which can be incorporated into a production assembly within a wellbore. A conductor associated with the monitoring system is passed through a bulkhead using a hermetically sealed arrangement wherein ... | 02/09/2010 |
| 7464765 | Inner guide seal assembly and method for a ram type BOP system An improved ram inner seal assembly used in ram-type BOPs is disclosed. The disclosed invention provides an inner guide seal assembly that comprises a specially shaped guide body and a separate sealing element. When the ram-type BOP is closed, two opposing rams move... | 12/16/2008 |
| 7431095 | Non-tubing deployed well artificial lift system A progressing cavity pump (PCP) system that may be deployed in an existing well configuration without the need for a workover rig. A stator and tubing stop are first set in a conduit, such as production tubing, at a desired depth. In subsequent wireline runs, a pack... | 10/07/2008 |
| 7387167 | Insulating device and assembly There is disclosed an electrically insulating device in the form of a sleeve (12) for a downhole tool, for electrically insulating a first threaded electrically conductive member in the form of an anchor sub (16) from a second threaded electrically con... | 06/17/2008 |
| 7373989 | Flow nozzle assembly The present invention generally provides apparatuses and methods for an improved shunt nozzle which is part of an alternative pathway for a slurry to by-pass an obstruction such as a sand bridge during gravel packing. In one embodiment, the nozzle has a hardened ins... | 05/20/2008 |
| 7367402 | Blow-out preventor make/break tool The present invention provides a tubular make/break tool having a body section and a center weldment positioned within the body section. There are at least two linear actuators in opposed orientation disposed in the body section and the linear actuators are connecte... | 05/06/2008 |
| 7363986 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 04/29/2008 |
| 7360603 | Methods and apparatuses for wellbore operations A dual sided elevator for supporting a tubular member in a wellbore operation, the elevator in one aspect having an openable back end and an openable front end, either end openable by using opening apparatus at the front of the elevator; such an elevator with operat... | 04/22/2008 |
| 7350563 | System for lining a wellbore casing A system for lining a wellbore casing includes a support member, an expansion device coupled to an end of the support member, and a tubular liner coupled to the expansion device. The tubular liner includes an expandable tubular member that includes a first tubular p... | 04/01/2008 |
| 7308755 | Apparatus for forming a mono-diameter wellbore casing A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation ... | 12/18/2007 |
| 7308943 | Well operations system A wellhead has, instead of a conventional Christmas tree, a spool tree in which a tubing hanger is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the producti... | 12/18/2007 |
| 7303021 | Wellbore rig elevator systems An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus ... | 12/04/2007 |
| 7290617 | Running a completion assembly without killing a well A technique to place a completion assembly in a well while maintaining the well in an underbalanced condition includes running a plug on a deployment tool to a desired depth in the well. The technique includes setting the plug in the well; retrieving the deployment ... | 11/06/2007 |
| 7290605 | Seal receptacle using expandable liner hanger The end of an expandable liner hanger (120) provides a receptacle for another tubular liner (135). ... | 11/06/2007 |
| 7284607 | System and technique for orienting and positioning a lateral string in a multilateral system A technique that is usable with a subterranean well that has a first string that lines a borehole includes running a second string into the well and engaging a deflecting face of a deflector to deflect the second string into a window of the first string. The techniq... | 10/23/2007 |
| 7278477 | Cup tool, cup tool cup and method of using the cup tool A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position i... | 10/09/2007 |
| 7255176 | Method for reducing diameter reduction near ends of expanded tubulars A variety of approaches to reducing or eliminating “end effect” or the tendency of tubular ends to reduce in diameter after expansion are disclosed. Some involve pre-bending the ends outwardly while others involve removing material internally or/and externally n... | 08/14/2007 |
| 7255165 | Field-installable rod guide A field-installable rod guide for a rod moveable within an oilfield tubular having an interior tubular surface for driving a downhole pump to pump liquids to the surface through the oilfield tubular. The rod guide comprises a body including interfitting body members... | 08/14/2007 |
| 7255183 | Gap sub assembly The gap sub assembly comprises a pair of electrically conductive subs. Each sub has a threaded pin and box. A pin and box are threaded together to form a connection. An electrically insulating, woven fabric overlies and conforms with the threads of the connection pi... | 08/14/2007 |
| 7252142 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 08/07/2007 |
| 7237614 | Potable well conversion device Disclosed herein is a coupling device for converting a below-ground potable water well installation to an above-ground installation, the device comprising a housing having a first opening which is dimensioned to receive an upper end of a below-ground well casing and... | 07/03/2007 |
| 7237607 | Tubular stabbing protector and method A tubular stabbing protector includes: a plurality of body sections together forming a first opening and a second opening, the first opening sized to be secured over a pin end of an oilfield tubular and the second opening sized to fit over a connection to which the ... | 07/03/2007 |
| 7231983 | Split locking ring for wellhead components The present invention is directed to a split locking ring for wellhead components. In one illustrative embodiment, the device comprises a first internally threaded wellhead component, a second wellhead component, at least a portion of which is positioned within an o... | 06/19/2007 |
| 7231982 | Perforating gun quick connection system A connection system to be used in conjunction with a perforating gun comprising a top sub formed to receive one end of a gun body of a perforating gun, a circumferential groove disposed on the outer surface of the gun body, and a collet secured to the top sub. The c... | 06/19/2007 |
| 7228912 | Method and system to deploy control lines A control line can be positioned in a downhole completion. For example, the control line can be deployed in a protected position along a stinger to reduce the potential for damaging the control line during installation, removal or operation. ... | 06/12/2007 |
| 7228897 | Cement through side pocket mandrel Well completion cement may be pumped through a side pocket mandrel that includes parallel rows of filler sections to exclude cement from void space within the side pocket tube. The filler sections are drilled with cross-flow jet channels and surface upsets to stimul... | 06/12/2007 |
| 7222676 | Well communication system A well system utilizes a control line system. The control line system is implemented with a completion of the type deployed in a wellbore. The control line system facilitates transmission of monitoring, command or other types of control and telemetry. It is emphasiz... | 05/29/2007 |
| 7219743 | Method and apparatus to isolate a wellbore during pump workover A system and method for actuating a shut-off valve in a wellbore wherein the shut-off valve element can be positively closed before the pump is removed from the well. A hydraulic actuator component is operably associated with the shut-off valve to provide for select... | 05/22/2007 |
| 7219738 | Inner riser adjustable hanger and seal assembly An inner riser adjustable hanger and seal assembly are provided for applying tension to a casing string secured at a lower end within a well and supported at an upper end by a wellhead housing. The wellhead housing has a locking member on an inner surface thereof. A... | 05/22/2007 |
| 7219724 | Downhole magnetic retrieval tool A tool 10 for suspending in a well retrieves various metal debris from the well, and includes an elongate tool body 12 within a plurality of circumferentially shaped slots 14. Each slot having a radially outward portion with a circumferential wi... | 05/22/2007 |
| 7219736 | Externally testable redundant connections for subsea wells An externally testable redundant connection for a subsea well includes a tube, a connector assembly, and collar. The connector assembly includes a jam nut over the tube; a ferrule over the tube adjacent the jam nut; and a double jam nut disposed over the tube adjace... | 05/22/2007 |
