Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8164980 | Methods and apparatuses for data collection and communication in drill string components A drill string component includes a box-end and a pin-end. Each end includes a signal transceiver, which are operably coupled together. Each signal transceiver communicates with another signal transceiver in another component to form a communication network in the d... | 04/24/2012 |
| 8064289 | Measuring device for a drilling apparatus A measuring device for a drilling apparatus which comprises a series of drilling rods, rotary and axially mobile. The measuring device comprises sensors, disposed on the series of rods, and feed devices of the electromagnetic induction type, able to feed the sensors... | 11/22/2011 |
| 8040755 | Wired pipe depth measurement system A method and apparatus for estimating a change in length of a wellbore conveyance device in a wellbore. A reference signal is sent along a first path and a wellbore signal having a phase relationship with the reference signal is sent along a wellbore path. A change ... | 10/18/2011 |
| 7911879 | Method of detecting signals in acoustic drill string telemetry A method of acoustic telemetry in a drill string in a wellbore, comprises; transmitting an acoustic signal related to a parameter of interest from a transmitting location into the drill string; detecting signals propagated through the drill string at a receiving loc... | 03/22/2011 |
| 7872945 | Dynamic efficiency optimization of piezoelectric actuator This invention applies to the means whereby capacitance changes due to varying temperature and/or pressure in a piezoelectric transducer used for acoustic telemetry in a drilling environment is dynamically offset by modifying one or more parameters associated with t... | 01/18/2011 |
| 7590029 | Methods and systems for communicating data through a pipe An acoustic telemetry system includes a piezoelectric stack at least partially disposed within a segment of pipe, and electrical circuitry for controlling the piezoelectric stack. In response to a signal from the electrical circuitry, the piezoelectric stack generat... | 09/15/2009 |
| 7453768 | High-speed, downhole, cross well measurement system In one aspect of the invention, a high-speed measurement system has a first and a second well bore. A first and second plurality of network nodes is integrated into and spaced at intervals along the first and second well bore, respectively. A communications channel ... | 11/18/2008 |
| 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 |
| 7429934 | Mud pulse landing assembly for use in directional drilling A mud pulse landing assembly (10) which allows for the removal of the mud pulse generator (16) containing the mud pulse orifice (106), thus creating an unobstructed passageway for any tool or instrumentation that may need to be passed through th... | 09/30/2008 |
| 7423550 | Two sensor impedance estimation for uplink telemetry signals Measurements made with dual sensors (flow rate or pressure) are used to attenuate pump noise in a mud pulse telemetry system. ... | 09/09/2008 |
| 7400262 | Apparatus and methods for self-powered communication and sensor network A system for communicating between a first location and a second location comprises a jointed tubular string having a first section and a second section connected at a connection joint, with the tubular string having a fluid in an internal passage thereof. A first a... | 07/15/2008 |
| 7369904 | Integration method for automation components A method for integrating a number of automation components into an industrial controller with a uniform running level model of the runtime system. The basic clock of the running level model is devised from either an internal timer, an internal clock of a communicati... | 05/06/2008 |
| 7359845 | Method and system for predictive stratigraphy images Methods and systems are provided for displaying and forecasting the lithology and wellbore conditions to be encountered while conducting drill string operations in a wellbore. A method and system is described for predicting and modeling lithology while operating a d... | 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 |
| 7339494 | Acoustic telemetry transceiver One embodiment includes an apparatus that includes a piezoelectric transducer to generate an acoustic signal that is to modulate along a mandrel, wherein the piezoelectric transducer includes at least one piezoelectric element and at least one electrode that is with... | 03/04/2008 |
| 7334661 | Acoustic logging tool sleeve An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a... | 02/26/2008 |
| 7325605 | Flexible piezoelectric for downhole sensing, actuation and health monitoring Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the members. By proper spacing of transducers and phasing of driving signal... | 02/05/2008 |
| 7322744 | Temperature measurement device A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c... | 01/29/2008 |
| 7324010 | Acoustic telemetry systems and methods with surface noise cancellation Acoustic telemetry systems and methods with surface noise cancellation. One illustrative embodiment may include an acoustic telemetry system comprising a transmitter configured to generate an acoustic information signal that propagates along a drillstring, and a rec... | 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 |
| 7310580 | Method for borehole measurement of formation properties The present invention is a method of estimating formation properties by analyzing acoustic waves that are emitted from and received by a bottom hole assembly. A bottom hole assembly may be deployed in a borehole to estimate formation properties. From the bottom hole... | 12/18/2007 |
| 7301852 | Methods of generating directional low frequency acoustic signals and reflected signal detection enhancements for seismic while drilling applications The present invention provides a method and apparatus for using an acoustic logging tool conveyed in a borehole in an earth formation for determining a characteristic of the formation. The method comprises using a first acoustic source for generating an acoustic sig... | 11/27/2007 |
| 7301473 | Receiver for an acoustic telemetry system One embodiment includes a method comprising receiving an acoustic signal that is propagated along a drill string. The method also includes correlating the acoustic signal to a first stored acoustic signal representing a first symbol, wherein the first stored acousti... | 11/27/2007 |
| 7301472 | Big bore transceiver In a subterranean well completion a bi-directional signal transmission system includes an in-line acoustic transceiver mounted in a tubing string extending through the wellbore, the transceiver being disposed beneath a hanger structure engaging the tubing string. Vi... | 11/27/2007 |
| 7298286 | Apparatus for interfacing with a transmission path A downhole communication apparatus has a signal coupler disposed in an end of a downhole tubular component. The signal coupler has a transceiver portion and a conductor portion. A data conductor integrated into the downhole tubular component is operably connected at... | 11/20/2007 |
| 7289909 | Method for borehole measurement of formation properties The present invention is a method of estimating formation properties by analyzing acoustic waves that are emitted from and received by a bottom hole assembly. A bottom hole assembly may be deployed in a borehole to estimate formation properties. From the bottom hole... | 10/30/2007 |
| 7277358 | Apparatus, method and system for digitally transmitting acoustic pulse gun signals The present invention is directed to overcoming analog transmission difficulties by digitizing transducer signals at or near the transducer of an acoustic pulse gun and then transmitting the transducer signals in a digital form so that the signals can be recovered w... | 10/02/2007 |
| 7277026 | Downhole component with multiple transmission elements A tubular component in a downhole tool string has a first end and a second end. The first end includes first and second inductive couplers, and the second end includes third and fourth inductive couplers. The component further has a first conductive medium and secon... | 10/02/2007 |
| 7274990 | Downhole library of master wavelets for VSP-while-drilling applications A controllable seismic source is used in a seismic-while-drilling system for obtaining VSP data. Coded information is sent downhole about the signal generated by said controllable source. The information about the seismic source is used for reconstructing the source... | 09/25/2007 |
| 7268697 | Laterally translatable data transmission apparatus A data transmission apparatus having first and second electrical conductors is disclosed. The first and second electrical conductors are disposed within recesses of a first and second complementary surfaces that are magnetically conducting and electrically insulatin... | 09/11/2007 |
| 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 |
| 7268517 | Method and system for energy reclamation and reuse The present invention relates to a system and method for harvesting ambient electromagnetic energy, and more particularly, to the integration of antennas and electronics for harvesting ubiquitous radio frequency (RF) energy, transforming such electromagnetic energy ... | 09/11/2007 |
| 7265682 | Joint source-channel coding for multicarrier modulation Methods and systems employing combined source-channel coding for multi-carrier modulation (MCM). In some embodiments, a described method comprises: estimating channel gain to noise ratio (CGNR) as a function of frequency bin; determining MCM parameters that minimize... | 09/04/2007 |
| 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 |
| 7256707 | RF transmission line and drill/pipe string switching technology for down-hole telemetry A modulated reflectance well telemetry apparatus having an electrically conductive pipe extending from above a surface to a point below the surface inside a casing. An electrical conductor is located at a position a distance from the electrically conductive pipe and... | 08/14/2007 |
| 7257050 | Through tubing real time downhole wireless gauge A telemetry system having: a pipe; a SCADA box acoustically coupled to the pipe; and a gauge inserted in the pipe, the gauge comprising: an acoustic wave generator; a coupler mechanically connected to the acoustic wave generator, wherein the coupler is engageable an... | 08/14/2007 |
| 7257489 | Quadrupole acoustic shear wave logging while drilling A tool generates signals indicative a shear wave slowness of the formation surrounding a borehole. The tool comprises a collar portion adapted for mounting in a drill string, a quadrupole sonic transmitter mounted to the collar portion, and a quadrupole sonic receiv... | 08/14/2007 |
| 7240734 | System and method for fail-safe disconnect from a subsea well A system and method for controllably separating a conduit into an upper portion and a lower portion. The system includes a first valve in the upper portion of the conduit above a point of separation, and a second valve in the lower portion of the conduit below the p... | 07/10/2007 |
| 7234519 | Flexible piezoelectric for downhole sensing, actuation and health monitoring Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the members. By proper spacing of transducers and phasing of driving signal... | 06/26/2007 |
| 7234517 | System and method for sensing load on a downhole tool A system and method for determining load on a downhole tool according to which one or more sensors are embedded in one or more components of the tool or in a material on one or more of the components. The sensors are adapted to sense load on the components. ... | 06/26/2007 |
