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| Number | Title | Issue Date |
| 8172000 | Method for feeding control lines for drilling or workovers A method for feeding a downhole line between two tubulars is provided. The method can include connecting a clamping apparatus about a first tubular member. The method can include supporting a second tubular member with a support surface of the clamping apparatus, fe... | 05/08/2012 |
| 8167052 | System and method for delivering a cable downhole in a well A system for delivering a cable through a tubing string to a downhole location in a well, includes a plug and a receiver. The plug includes a first connector configured to be operably connected to the cable and further includes a plug housing adapted to fit within t... | 05/01/2012 |
| 8042617 | System and method for deploying one or more tools in a wellbore A system and method for deploying one or more tools in a wellbore according to which a clamp is coupled to a flexible interconnect. ... | 10/25/2011 |
| 7967073 | Control line running system A control line running system includes a control line storage unit and a guiding system having a guiding device and a guide rail for guiding a control line from the control line storage unit toward a well center. The system may also include a control line manipulato... | 06/28/2011 |
| 7954554 | Coiled tubing equipment lifting methods A method of lifting a coiled tubing reel is provided that includes providing a coiled tubing reel including a pair of flanges connected by a core around which a string of coiled tubing is wrapped, and a pair of hubs with each hub connected to a corresponding one of ... | 06/07/2011 |
| 7946350 | System and method for deploying optical fiber A technique is provided for utilizing optical fiber in a well environment. A well system is combined with a tube-in-tube system designed to protect one or more internal optical fibers. The tube-in-tube system has an entry at one end and a turn around at an opposite ... | 05/24/2011 |
| 7921926 | Jointed spearhead assembly A jointed spearhead assembly can include a base portion that is adapted to be connected to a down-hole object and a spearhead portion having a first end and a second. The second end includes a follower tab with a non-convex first follower interface. The spearhead po... | 04/12/2011 |
| 7905295 | Electrocoil tubing cable anchor method Submersible pump power cable is inserted into a length of tubing. The device comprises an anchoring system attachable to the cable affixed to the tubing inner surface. The anchoring system includes an anchoring sleeve slideable over the cable and insertable into the... | 03/15/2011 |
| 7866407 | Method for construction of low thermal expansion and low resistance wire for logging applications A device is provided, the device comprising a downhole tool comprising a wire comprising at least one strand comprising a low thermal expansion material. The low thermal expansion material may have a low electrical resistance material disposed thereon. ... | 01/11/2011 |
| 7836960 | Method for running a continuous communication line through a packer Techniques are provided for sealing a communication line within a device positioned in a wellbore. The communication line may be continuous and extends through a pass-through arranged generally longitudinally through the device. Swellable sealing material is positio... | 11/23/2010 |
| 7793731 | Entry swivel apparatus and method An apparatus for use with a wireline on a drilling rig. The apparatus includes a main body having first and second entry ports, and wherein the first entry port is configured to receive the wireline. A bearing nut is operatively attached to the main body. A mandrel ... | 09/14/2010 |
| 7770656 | System and method for delivering a cable downhole in a well A system for delivering a cable through a tubing string to a downhole location in a well, includes a plug and a receiver. The plug includes a first connector configured to be operably connected to the cable and further includes a plug housing adapted to fit within t... | 08/10/2010 |
| 7753129 | Wireline or coiled tubing deployed electric submersible pump An electric submersible pump and motor assembly for downhole applications has an electric motor having a stationary nonrotating through bore, a pump driven by the electric motor, a deployment line upon which the electric motor and pump may be lowered down through a ... | 07/13/2010 |
| 7740078 | Method and device to clamp control lines to tubulars The invention relates to an apparatus for connecting a control line to a tubular string. In one embodiment, the apparatus includes a guide boom pivotable around a location adjacent the string and with a guide member at an end thereof to guide the control line. The a... | 06/22/2010 |
| 7730956 | Downhole pressure balanced electrical connections Pressure balanced downhole connections. A well system includes a well tool, a conduit assembly connected to the well tool, the conduit assembly including a conduit and a line positioned within the conduit, the line being connected to the well tool for operation of t... | 06/08/2010 |
| 7730957 | Well tool with line and installation method Installation of lines in well tools. A well tool for use in conjunction with a subterranean well includes connectors at opposite ends of the well tool, a line extending between the connectors; at least one threaded connection at a position between the connectors; an... | 06/08/2010 |
| 7717184 | Safety interlock for control lines A protection tool is provided to protect a control line in a safe area while one or more slips of a spider are being closed. In another embodiment, a safety interlock system is provided to prevent the closing of the slips before the control line is pulled away from ... | 05/18/2010 |
| 7699114 | Electro-optic cablehead and methods for oilwell applications An oil and gas well assembly is provided that includes a wireline cable having at least one optical fiber; a downhole tool having at least one optical fiber; and a cablehead having a first end connected to the wireline cable, a second end connected to the downhole t... | 04/20/2010 |
| 7686091 | Device to insert a flexible member into pressurized wellhead housing A drive assembly for inserting hose within a wellhead housing that intermittently reciprocates the hose feed into the housing. The intermittent reciprocating action feeds the hose past obstacles in the wellhead housing, such as within annuluses between tubulars. The... | 03/30/2010 |
| RE41141 | Combined drilling apparatus and method Method and apparatus for drilling, completion, well workovers and well control, combining an integrated lifting unit and a coiled tubing unit, the method and apparatus permit running jointed pipe and coil tubing in combination, and standing multiple joints of pipe n... | 02/23/2010 |
| 7665535 | Rigless one-trip system and method A one-trip system for use in a subterranean well includes a tubing hanger, a production tubing, a perforating gun assembly and a screen assembly. The tubing hanger is adapted to be mounted to one of a well in the well casing near the earth's surface. The production ... | 02/23/2010 |
| 7640993 | Method of deploying and powering an electrically driven in a well A system for installing a powered device in a downhole tube has a power line extending down a production tube and terminating in a power connector or contact. The powered device toolstring is down the tube and has a corresponding power connector or contact. The two ... | 01/05/2010 |
| 7628214 | Automatic control line insertion tools and system A system for inserting control lines to a control line receptacle at an alternate path structure including an upper guide having a path structure engagement roller, a control line insertion wheel and a control line bypass space. The system further includes a lower g... | 12/08/2009 |
| 7575061 | Wireline entry sub and method of using A wireline entry sub includes a body having an upper end, a lower end and a longitudinal, center axis therebetween, the body adapted for connection below a top drive to a wellbore string of tubulars; a slot on the body open a depth from a body outer surface to at le... | 08/18/2009 |
| 7537061 | System and method for releasing and retrieving memory tool with wireline in well pipe Memory tool deployment method, system, and apparatus include a landing ring fit on a pipe deployed in a well. A drop-off tool has a landing collar and has a tool string with one or more memory tools. The drop-off tool is connected to a wireline and is deployed throu... | 05/26/2009 |
| 7533732 | Dual entry apparatus for a subterranean borehole A borehole entry apparatus is disclosed. The apparatus includes a dual entry apparatus for use in borehole entry applications, such as slick line and/or wireline (electric wireline) applications. Exemplary embodiments of this invention enable first and second boreho... | 05/19/2009 |
| 7503397 | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly In one embodiment, a top drive system for drilling with casing is provided with an access tool to retrieve a downhole tool. The top drive system for drilling with casing comprises a top drive; a top drive adapter for gripping the casing, the top drive adapter operat... | 03/17/2009 |
| 7434627 | Method and apparatus for friction reduction in a downhole tool A system for facilitating the insertion of a tool into a wellbore, especially a non-vertical wellbore. In one embodiment a tool is fixable in a wellbore and includes centralizing, friction-reducing members that serve to keep the body of the tool off the walls of the... | 10/14/2008 |
| 7416028 | Telemetry system for the bi-directional communication of data between a well point and a terminal unit situated on the surface A telemetry system for bi-directional communication of data between a well point and a terminal unit situated on a surface, which can be used inside drilling or production strings. The system includes data transmission and optional reception devices. An active vehic... | 08/26/2008 |
| 7392850 | Side entry apparatus and method An apparatus for lowering wireline into a well. The apparatus comprises a sleeve having a first and second end, wherein the first end contains a first plurality of wedges and the second end contains a second plurality of wedges. The apparatus further includes an upp... | 07/01/2008 |
| 7383879 | Well string injection system and method A continuous feed injection unit used for example for injection and removal of continuous well string from wells operates in a dual speed configuration. The unit comprises a first hydraulic motor, a second hydraulic motor, cooperating continuous well string gripping... | 06/10/2008 |
| 7377316 | Side entry apparatus and method An apparatus for lowering wireline into a well. The apparatus comprises a sleeve having a first and second end, wherein the first end contains a first plurality of wedges and the second end contains a second plurality of wedges. The apparatus further includes an upp... | 05/27/2008 |
| 7366055 | Ocean bottom seismic sensing system Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments, networks of optical ocean bottom seismic (OBS) stations are provided, in w... | 04/29/2008 |
| 7350589 | Telemetering system A pipe installation system has a pipe composed of sections that are added and removed to increase and decrease a length of the pipe. The system further has a cable storage spool for stowing a length of cable in a compact manner inside the pipe and for paying out the... | 04/01/2008 |
| 7348894 | Method and apparatus for using a data telemetry system over multi-conductor wirelines A data telemetry system for multi-conductor wirelines to enhance transmission of analog and digital signals with frequency content up to 100 kHz by assigning at least two conductors to a first terminal of a data transmittal means and to a first terminal of a data re... | 03/25/2008 |
| 7340819 | Field weldable connections The present invention provides a field weldable connection. In one embodiment, the field weldable connection is a downhole connector assembly for sealingly attaching a first and a second segment of a control line. The control line has an outer housing that encapsula... | 03/11/2008 |
| 7331398 | Multi-drop flow control valve system A multi-drop flow control valve system having a plurality of hydraulically actuated flow control valve, each valve set in an initial operating position. The flow control valves are connected to a hydraulic control line in sequence, wherein the second flow control va... | 02/19/2008 |
| 7322415 | Subterranean electro-thermal heating system and method A subterranean electro-thermal heating system including one or more heater cable sections extending through one or more heat target regions of a subterranean environment and one or more cold lead sections coupled to the heater cable section(s) and extending through ... | 01/29/2008 |
| 7322421 | Fiber optic deployment apparatus and method A head member having a piston provided thereon is connected to an elongate tube such as a micro-tube. The micro-tube contains one or more optical fibres, preferably suspended therein by a protective fluid such as a scavenging gel. The head member is preferably inser... | 01/29/2008 |
| 7322410 | Controllable production well packer An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable va... | 01/29/2008 |
