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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7806670 | Protector for electrical submersible pumps A system and method is used to protect a motor of a submersible pumping system. A variety of motor protector features are provided to facilitate operation of the motor protector and submersible pumping system in multiple wellbore environments and applications. ... | 10/05/2010 |
| 7802622 | Cable-protective pipe section, a method of protectively arranging at least one cable on the outside of the pipe section and use of a device for protecting the cable A technique protectively arranges at least one cable on the outside of and along at least one pipe section of a pipe string. The cable is secured to at least one cable protector coupled to the outside of at least one pipe section of the pipe string. The cable protec... | 09/28/2010 |
| 7798212 | System and method for forming downhole connections A technique is provided to facilitate connection of completion assemblies at a downhole location. A completion assembly comprises a control line conduit having a connector designed for coupling with a corresponding connector of a next adjacent completion assembly. A... | 09/21/2010 |
| 7778780 | Well characterisation method One aspect of the invention relates to a method (10) for characterizing a well (700) using distributed temperature sensor (DTS) data to optimise a well model (12). The method comprises providing a well model of flow and thermal properties (12... | 08/17/2010 |
| 7757773 | Latch assembly for wellbore operations A latch for interconnecting a first wellbore element and a second wellbore element in a manner such that the first and second elements can be conveyed into a wellbore in tandem and then disconnected from one another includes a first latch head connectable to the fir... | 07/20/2010 |
| 7748461 | Method and apparatus for multi-drop tool control A hydraulic actuator is connected between a downhole tool and a hydraulic control line for operating the downhole tool through an actuation sequence. The hydraulic actuator comprises a valve shuttle section having an inlet port in connection with the hydraulic contr... | 07/06/2010 |
| 7681640 | Screen and method having a partial screen wrap The present invention provides a screen for a well that utilizes a partial screen wrapping used to advantage with side conduits (e.g., alternate flowpaths), control lines, intelligent completions devices, and the like. It is emphasized that this abstract is provided... | 03/23/2010 |
| 7673676 | Electric submersible pumping system with gas vent A technique is provided for pumping fluids from a wellbore. An electric submersible pumping system is deployed in a wellbore on a tubing. Free gas can potentially accumulate around the electric submersible pumping system, but a gas vent is positioned to remove free ... | 03/09/2010 |
| 7665536 | System and method for preventing cross-flow between formations of a well In general, a system and valve is provided to prevent the cross flow between formations during the shut-in period of a well intersecting at least two formations, with flow from at least one of the formations being controlled by a multi-position valve. In one embodim... | 02/23/2010 |
| 7654315 | Apparatus, pumping system incorporating same, and methods of protecting pump components Apparatus and pumping systems including the apparatus are described, the apparatus including a protector body comprising a material allowing expansion and contraction of an internal fluid, the body serving as a barrier between fluids external of the body and the int... | 02/02/2010 |
| 7648332 | System and method for reducing thrust acting on submersible pumping components A technique is provided to facilitate pumping of fluids in a well environment. A submersible pumping system having a submersible pump incorporates features that manage thrust loads resulting from rotating impellers. The thrust reducing features cooperate with the ac... | 01/19/2010 |
| 7591321 | Zonal isolation tools and methods of use Zonal isolation tools and methods of using same are described. The zonal isolation tools include a wellbore sealing member expandable by fluid pressure to contact a wellbore over an initial contact area, an inflation valve open during expansion of the sealing member... | 09/22/2009 |
| 7584800 | System and method for indexing a tool in a well A technique is provided to control a downhole tool in a well. An indexer is used to adjust a downhole tool to specific positions on a plurality of positions. The indexer is actuated between settings via control fluid input. The indexer is designed such that a unique... | 09/08/2009 |
| 7581734 | Peek coated seal surfaces A sealing apparatus is combined in a housing, such as a motor protector housing, having a hole extending therethrough. A shaft is movably disposed through the hole. A lip is disposed about the shaft and a ring is movably disposed about the shaft between the section ... | 09/01/2009 |
| 7580797 | Subsurface layer and reservoir parameter measurements Method and system for determining a characteristic of a subsurface formation traversed by a wellbore. A fluid flow rate in the wellbore is established, the flow being associated with fluid movement in one or more layers in the formation. Fluid data is generated from... | 08/25/2009 |
| 7543641 | System and method for controlling wellbore pressure during gravel packing operations A technique is provided to facilitate gravel packing in a well. A conduit surrounded by a screen is deployed in an isolated lower wellbore region. The conduit cooperates with one or more valves that can be selectively opened to relieve wellbore pressure resulting fr... | 06/09/2009 |
| 7543640 | System and method for controlling undesirable fluid incursion during hydrocarbon production A technique is provided to control flow in subterranean applications, such as hydrocarbon fluid production applications. The technique utilizes an aggregate formed, at least in part, of particles that swell in the presence of a specific substance or substances. The ... | 06/09/2009 |
| 7540326 | System and method for well treatment and perforating operations A technique is provided to facilitate perforation operations in a well. A well treatment operation is combined with a perforating operation to increase the efficiency of well preparation. A dart assembly has a dart for moving a well treatment fluid downhole and a pe... | 06/02/2009 |
| 7537056 | System and method for gas shut off in a subterranean well A gas inflow control system is used in a well. A downhole tool is combined with an automatic valve that is automatically actuatable to a flow position in the presence of a well liquid flowing into the downhole tool. In the presence of gas flow into the valve, the va... | 05/26/2009 |
| 7455114 | Snorkel device for flow control The present invention provides for the operation of a downhole flow control device using a snorkel tube. ... | 11/25/2008 |
| 7438130 | Downhole actuating apparatus and method A method and apparatus for actuating a downhole tool is provided. The apparatus of the present invention includes a remotely energized actuator device that facilitates storage of energy needed to actuate a downhole tool after the device is placed downhole. By energi... | 10/21/2008 |
| 7428924 | System and method for completing a subterranean well A technique is provided for completing a subterranean wellbore. A wellbore completion combines a distributed sensing system, such as a distributed temperature sensing system, with at least one flow control valve and a pumping system. The flow control valve is contro... | 09/30/2008 |
| 7347279 | Charge holder apparatus An adapter is provided for holding and mounting a shaped charge having a non-standard size into a standard loading tube of a hollow carrier gun. The adapter may include a housing assembly having an interior bore to hold a relatively small shaped charge and an exteri... | 03/25/2008 |
| 7316272 | Determining and tracking downhole particulate deposition Methods and apparatus provide for the characterization of injected fluid flow within a wellbore. Particular embodiments include injecting a slurry comprising a particulate material and a carrier fluid into an isolated wellbore annulus and acquiring composite density... | 01/08/2008 |
| 7275595 | Method and apparatus to isolate fluids during gravel pack operations The present invention provides for an apparatus and method to displace fluids and to prevent the mixing or bypassing of fluids used in gravel pack operations. A moveable plug is used to create a physical partition between fluids. ... | 10/02/2007 |
| 7273107 | Valve within a control line The invention is a valve that prevents blow-outs through a control line while simultaneously allowing bi-directional flow or pressure transfer through the control line. The invention comprises a shuttle valve disposed in the control line. ... | 09/25/2007 |
| 7182139 | System and method for controlling downhole tools A system and method is provided for integrated control of multiple well tools. Predetermined pressure levels are utilized in independently actuating specific well tools from a plurality of well tools. The number of well tools independently controlled may be greater ... | 02/27/2007 |
| 7182584 | Motor protector A system and method is provided for reducing the wear on a motor protector, particularly when used in an abrasive environment. The motor protector comprises an outer housing having an internal shaft. The motor protector further comprises a head section having an abr... | 02/27/2007 |
| 7154413 | Fused and sealed connector system for permanent reservoir monitoring and production control A connection system is provided for facilitating a downhole electrical reservoir monitoring and/or control system operated by a surface system. The connector system includes a set of fuses and a fuse blowing circuit for isolating a short circuit event and restoring ... | 12/26/2006 |
| 7152689 | System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing The invention is a system and method used to seal between an open wellbore and a tubing by bringing the wellbore wall inwardly so as to enable sections of earth from the wellbore wall to create the required seal against the tubing. The earth sections that make up th... | 12/26/2006 |
| 7149339 | Non-destructive inspection of downhole equipment The present invention provides non-destructive computed tomography (CT) methods of testing downhole equipment. The non-destructive CT methods enable both extrinsic and intrinsic testing to ensure the quality of downhole components in elements such as downhole packer... | 12/12/2006 |
| 7114564 | Method and apparatus for orienting perforating devices The present invention provides an apparatus and method of orienting perforating gun strings conveyed on a tool string. One embodiment of the present invention provides an orienting weight provided in a portion of the perforating device, such as the shaped charge, th... | 10/03/2006 |
| 7059412 | Technique for preventing deposition products from impeding the motion of a movable component A technique for preventing mineral, mineral salt and other deposits from impeding the motion of movable components in a submerged environment. The technique allows for a movable component in a submerged environment to move freely beneath a deformable member. As the ... | 06/13/2006 |
| 6811382 | Integrated pumping system for use in pumping a variety of fluids An integrated pumping system for use in environments, such as subterranean environments, to move a desired fluid from one location to another. The integrated pumping system comprises one or more stages that each have an integrated pump and motor. A controller may be... | 11/02/2004 |
