Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8179279 | Method and device for producing hydrocarbons using wireless communication A subsea production system adapted for wireless communication so that production tree operation can be controlled locally wirelessly from a workover umbilical or remotely controlled vehicle. The production system includes a wellhead assembly and an umbilical termina... | 05/15/2012 |
| 8154420 | System and method for downhole telemetry A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output from the mud-pulse tool and generates an EM signal that mimics a mud-pu... | 04/10/2012 |
| 7982632 | Sensor system and method of communicating data between a downhole device on a remote location Disclosed herein is a sensor system having a sensor and at least one communication line operable with the sensor. The transmission medium is configured to convey data transmitted by the sensor to a remote location. The sensor transmits data on the communication line... | 07/19/2011 |
| 7880640 | Wellbore communication system A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includ... | 02/01/2011 |
| 7656309 | System and method for sharing information between downhole drill strings A system for sharing information between downhole drill strings is disclosed in one embodiment of the invention as including a first drill string and a communications network integrated into the first drill string. The communications network includes multiple nodes ... | 02/02/2010 |
| 7652592 | Data transmission device The device relates to an installation comprising a cavity extending from the surface of the ground and provided with at least one electrically conductive tubular element. The device comprises a single-strand smooth cable for supporting an action and/or measurement a... | 01/26/2010 |
| 7649474 | System for wireless communication along a drill string A wireless communication and drill string telemetry system. The communication system is used for communicating information along a drill string between a boring tool and a boring machine. An insulator assembly provides an electrically insulated gap between the drill... | 01/19/2010 |
| 7636052 | Apparatus and method for monitoring acoustic energy in a borehole A system, method and device may be used to monitor acoustic energy in a borehole. Electromagnetic energy is used to energize a resonant circuit incorporating a sensor. The sensor modulates the electromagnetic energy in accordance with received acoustic energy and tr... | 12/22/2009 |
| 7605716 | Telemetry system with an insulating connector The present invention provides an electromagnetic telemetry apparatus and methods that include an insulating connector that comprises an outer metallic female member that has an inner conical longitudinal surface. In one embodiment, a tubular metallic male member is... | 10/20/2009 |
| 7598886 | System and method for wirelessly communicating with a downhole drill string A system for communicating with a downhole network integrated into a downhole drill string is disclosed in one aspect of the invention as including a data transmission coupler mounted to a downhole tool and adapted to transmit data across a tool joint. The data tran... | 10/06/2009 |
| 7573397 | System and method for downhole telemetry A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output from the mud-pulse tool and generates an EM signal that mimics a mud-pu... | 08/11/2009 |
| 7518528 | Electric field communication for short range data transmission in a borehole The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the est... | 04/14/2009 |
| 7477162 | Wireless electromagnetic telemetry system and method for bottomhole assembly A wireless electromagnetic telemetry system for broadcasting signals across a bottomhole assembly disposed in a borehole drilled through a subterranean formation includes an insulated gap at a first point in the bottomhole assembly, at least one magnetic field senso... | 01/13/2009 |
| 7436320 | Sensor system and method of communicating data between a downhole device on a remote location Disclosed herein is a sensor system having a sensor and at least one communication line operable with the sensor. The transmission medium is configured to convey data transmitted by the sensor to a remote location. The sensor transmits data on the communication line... | 10/14/2008 |
| 7424176 | Optical fiber termination apparatus and methods of use, and optical fiber termination process Apparatus and methods for terminating and anchoring fiber optic connections are disclosed. One apparatus includes a sealed body enclosing a passage for one or more optical fibers terminating in connections proximate a first end of the sealed body, the sealed body ha... | 09/09/2008 |
| 7411517 | Apparatus and method for providing communication between a probe and a sensor A wireless data communication system for a down hole environment. The system includes a housing containing a sensor, positioned within a tubular, for collecting information and processing the information, a modulator for modulating the information from the sensor in... | 08/12/2008 |
| 7367405 | Electric pressure actuating tool and method Disclosed herein is a downhole tool actuation arrangement. The arrangement includes a housing having a chamber, at least one piston in operable communication with the chamber and at least one electrode exposed to the chamber. The electrodes are receptive to a power ... | 05/06/2008 |
| 7357197 | Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface A method and apparatus for signalling the surface operator about downhole conditions. Sensors located downhole collect data while drilling and the data is processed to determine bit failure, for example. When the sensor data indicates a failure, the pressure of dril... | 04/15/2008 |
| 7358848 | Wireless remote sensor An integrated circuit implements a wireless remote sensor. The wireless remote sensor includes an antenna coupled to an energy distribution unit to allow passive collection of electrical charge. A signal processing unit couples to the energy distribution unit and mo... | 04/15/2008 |
| 7350590 | Instrumentation for a downhole deployment valve The present generally relates to apparatus and methods for instrumentation associated with a downhole deployment valve or a separate instrumentation sub. In one aspect, a DDV in a casing string is closed in order to isolate an upper section of a wellbore from a lowe... | 04/01/2008 |
| 7347283 | Using a rotating inner member to drive a tool in a hollow outer member A rotating inner member is used to drive a downhole tool housed within the hollow outer member of a dual-member drill string. The downhole tool preferably will be adapted to receive rotational energy from the inner member. In a preferred embodiment, the downhole too... | 03/25/2008 |
| 7347271 | Wireless communications associated with a wellbore A subsea communication system includes devices in a wellbore and devices on a floor, where the devices in the wellbore and on the floor are able to communicate wirelessly with each other, such as through a formation. ... | 03/25/2008 |
| 7343261 | Underwater sensor transmitter probe An electronic apparatus for measuring water speed and water temperature then periodically transmitting said data during controlled depth fishing wherein an underwater probe is secured to and insulated conductive downrigger cable and gathers and relays data though th... | 03/11/2008 |
| 7339300 | Structural support member for stator retention and method of assembling an electromechanical transmission An electromechanical transmission includes a motor/generator having a stator and a rotor and including a structural support member that supports the stator in fixed relation thereto and the rotor in rotational relation thereto. By supporting both the stator and the ... | 03/04/2008 |
| 7330397 | Electromagnetic anti-jam telemetry tool A mud-pulse telemetry tool includes a tool housing, a motor disposed in the tool housing, and a magnetic coupling coupled to the motor and having an inner shaft and an outer shaft. The tool may also include a stator coupled to the tool housing, a restrictor disposed... | 02/12/2008 |
| 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 |
| 7317321 | Methods and systems for automated pipeline testing A method for testing effectiveness of a cathodic protection device configured to apply at least one voltage across an underground structure and a reference point is described. The method includes providing a sample of the material from which the underground structur... | 01/08/2008 |
| 7315256 | Magnetic signalling in pipelines Method systems and apparatus for signalling within pipelines. The systems methods and apparatus make use of a unit locatable within a tubular piece of metallic structure for the transmission and/or reception of signals. The unit includes a magnetic material core ( | 01/01/2008 |
| 7301474 | Wireless communication system and method A wireless communication system for use in well, subsea, and oilfield-related environments employs one or more wireless network devices that offer short-range wireless communication between devices without the need for a central network which may have a device using... | 11/27/2007 |
| 7284489 | Casing conveyed well perforating apparatus and method Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished us... | 10/23/2007 |
| 7268696 | Directional signal and noise sensors for borehole electromagnetic telemetry system An electromagnetic borehole telemetry system providing improved signal to noise ratio. Adaptive filters use noise channels as references to remove noise from the signal channel. Directional detectors provide a signal channel with reduced noise content and improved n... | 09/11/2007 |
| 7259688 | Wireless reservoir production control A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireles... | 08/21/2007 |
| 7256706 | Hybrid well communication system A hybrid, hardwired and wireless well communication system having a fiber optical, electrical or other signal transmission conduit extending from the wellhead into the well and one or more wireless signal transducers that are located at a distance from the conduit a... | 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 |
| 7253745 | Corrosion-resistant downhole transmission system An apparatus in accordance with the invention may include a downhole tool and a data transmission path incorporated into the downhole tool. The data transmission path may include one or more contact surfaces providing electrical continuity to the data transmission p... | 08/07/2007 |
| 7248178 | RF communication with downhole equipment Data or control signals are communicated over a three phase power cable supplying power from a surface location to a motor/pump assembly located within a wellbore utilizing modulated radio frequency signals. The radio frequency signals may be impressed on the power ... | 07/24/2007 |
| 7235960 | Ground control unit for cable locating A system for selectively grounding each of a plurality of short-haul buried utility conveyances coupled to a common long-haul buried utility conveyance to enable a conveyance locating signal transmitted through the long-haul conveyance to travel from the long-haul u... | 06/26/2007 |
| 7228902 | High data rate borehole telemetry system A system and method for communicating information between downhole equipment in a wellbore and surface equipment, comprising a first device disposed in a wellbore for receiving at least one first signal and transmitting at least one second signal. A surface device i... | 06/12/2007 |
| 7228899 | Warning device and method to prevent clutch burning This invention is generally directed towards a system designed to assist the rig operator by alerting him/her that the air pressure is too low to be using the drum clutch, to provide a log for studies on rig operation technique, and to provide a training tool for ri... | 06/12/2007 |
| 7230542 | Streamlining data transfer to/from logging while drilling tools The invention provides a more efficient way to transfer data to or from a logging tool during a drilling process. A memory module is provided for rapid insertion and retrieval from a logging while drilling tool between drilling runs. The memory module records and st... | 06/12/2007 |
