Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8159226 | Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations An apparatus for monitoring a location of a borehole for production of petroleum from an earth formation is provided. The apparatus includes: a detection source disposable within a detection source conduit, the detection source including an elongated electrically co... | 04/17/2012 |
| 8049506 | Wired pipe with wireless joint transceiver A wireless transceiver for transmitting data across a pipe joint is described herein. At least some illustrative embodiments include a wireless communication apparatus including a housing configured to be positioned inside/proximate of/to an end of a drill pipe. The... | 11/01/2011 |
| 7924013 | Apparatus and system for well placement and reservoir characterization A resistivity array having a modular design includes a transmitter module with at least one antenna, wherein the transmitter module has connectors on both ends adapted to connect with other downhole tools; and a receiver module with at least one antenna, wherein the... | 04/12/2011 |
| 7755361 | Apparatus and system for well placement and reservoir characterization A modular downhole apparatus to determine a formation property, the apparatus being incorporated into a drill string comprising one or more downhole tools and drill pipe, the drill pipe being of the same or various lengths, the modular downhole apparatus comprising ... | 07/13/2010 |
| 7626393 | Apparatus and method for measuring movement of a downhole tool An apparatus for detecting movement downhole includes a first downhole component (106) having a sensor (114) coupled thereto and a second downhole component (102) positioned relative to the first downhole component (106). The sensor (1... | 12/01/2009 |
| 7443168 | Compact magnetic sensor for multi-component induction and micro-resistivity measurements A compact magnetic sensor is described that is capable of use in pad-mounted applications and field-focusing applications. A downhole induction tool is described with a compact induction sensor having electromagnetic transmitters wound on a longitudinal core member ... | 10/28/2008 |
| 7420373 | Magnetic head for conductivity imaging for use in boreholes A sensor for performing micro-conductivity measurements during well logging measurements in a borehole includes a magnetic core having a conductive insert wherein windings are driven with alternating current. Some embodiments include a sensor further having a conduc... | 09/02/2008 |
| 7348781 | Apparatus for electromagnetic logging of a formation A tool for electromagnetic logging of a formation includes a tool body configured to move in a borehole penetrating the formation; an antenna array disposed on the tool body; and an electronic unit configured to control operation of the antenna array, wherein the an... | 03/25/2008 |
| 7319410 | Downhole transmission system A transmission system in a downhole component comprises a data transmission element in both ends of the downhole component. Each data transmission element houses an electrically conducting coil in a MCEI circular trough. An electrical conductor connects both the tra... | 01/15/2008 |
| 7286091 | Co-located antennas Techniques for implementing antenna configurations with substantially co-located axes are disclosed. A method for constructing co-located antennas includes winding a first antenna on a support, the first antenna having a first magnetic dipole in a first orientation;... | 10/23/2007 |
| 7282704 | Method for determining formation porosity and gas saturation in a gas reservoir Measurements made with porosity and density logging tools in a gas reservoir may differ due to invasion effects. The effects are particularly large on measurement-while-drilling applications where invasion is minimal. Using a Monte-Carlo method, a relationship is es... | 10/16/2007 |
| 7248177 | Down hole transmission system A transmission system in a downhole component comprises a data transmission element in both ends of the downhole component. Each data transmission element houses an electrically conducting coil in a MCEI circular trough. The electrically conducting coil comprises at... | 07/24/2007 |
| 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 |
| 7227363 | Determining formation anisotropy based in part on lateral current flow measurements Disclosed herein are methods and apparatus using one or more toroids to measure formation anisotropy and/or vertical conductivity. In one embodiment, a disclosed method comprises: inducing a current to flow through a conductive surface of a tool body into a surround... | 06/05/2007 |
| 7170294 | Subsurface imagery for temperature measurement and fluid flow for oil recovery using electromagnetic impedance tomography (EMIT) A new application of electromagnetic tomography is described directly related to the efficient recovery of oil and gas as well the removal of unwanted liquids from subsurface formations. The process involves the deployment of both surface and a single borehole magne... | 01/30/2007 |
| 7164123 | Method for filtering spurious resonances from an NMR dataset A method for filtering spurious resonances from an NMR dataset comprises the steps of: (a) creating a first, non-oscillating magnetic field of a predetermined field strength across a sample, (b) intermittently expo... | 01/16/2007 |
| 7154411 | Reservoir management system and method A remote sensing unit for sensing subsurface formation is provided. The remote sensing unit is an active device with the capability of responding to control commands to determine subsurface formation characteristics, and transmitting corresponding data values. Some ... | 12/26/2006 |
| 7148693 | Process and device for prospecting a porous geological formation A porous geological formation contains electrolytic fluid. During the geophysical prospecting of the formation, a region of interest of the formation where the electrolytic fluid is found is stimulated with an excitation signal. The excitation signal corresponds to ... | 12/12/2006 |
| 7046165 | Method for collecting geological data ahead of a drill bit A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a downhole receiver coupled to a well casing and a transmitter coupled to the ... | 05/16/2006 |
| 7038455 | Electromagnetic wave resistivity tool A method and system of operating an electromagnetic resistivity tool wherein at least one transmitting antenna of the tool is selectively operable at three or more resonant frequencies for better resistivity profiling of a formation. ... | 05/02/2006 |
| 7031839 | Multi-frequency focusing for MWD resistivity tools An induction logging tool is used on a MWD bottom hole assembly. Due to the finite, nonzero, conductivity of the mandrel, conventional multi frequency focusing (MFF) does not work. A correction is made to the induction logging data to give measurements simulating a ... | 04/18/2006 |
| 7012432 | Induction logging antenna An antenna assembly for an induction logging tool for use in a drilling operation. The assembly includes an outer pressure housing, a coil former within the pressure housing, magnetic cores mounted in the housing, a core carrier within the coil former and the pressu... | 03/14/2006 |
| 6995684 | Retrievable subsurface nuclear logging system Systems and methods utilizing an elongated sub body adapted to receive a run-in tool within its inner bore. The run-in tool including nuclear sources and sensors to provide nuclear formation evaluation while tripping. The nuclear sources and sensors align with parti... | 02/07/2006 |
| 6958610 | Method and apparatus measuring electrical anisotropy in formations surrounding a wellbore A logging tool is disclosed having transmitting and receiving antennas to measure formation anisotropy. The antennas may preferably be combinations of toroidal, horizontal electric dipole, and horizontal magnetic dipole antennas. In one embodiment, the tool: (a) ind... | 10/25/2005 |
| 6925031 | Method of using electrical and acoustic anisotropy measurements for fracture identification Measurements made by a cross-dipole acoustic logging tool in a borehole are processed to determine the principal directions of azimuthal anisotropy of a subsurface formation. Measurements indicative of azimuthal resistivity variations are also made with a multicompo... | 08/02/2005 |
| 6917303 | Logging sondes for use in boreholes A wireline logging sonde for sensing fluid properties in a bore hole. The sonde has a main body and a plurality of sensor capsules mounted peripherally to the main body on fingers. A sensor element is located in each sensor capsule. The sensor elements receive power... | 07/12/2005 |
| 6903660 | Inductively-coupled system for receiving a run-in tool Systems and methods for downhole communication and measurement utilizing an improved metallic tubular having an elongated body with tubular walls and a central bore adapted to receive a run-in tool. The tubular including slotted stations to provide through-tubular s... | 06/07/2005 |
| 6891376 | Method for attenuating conductive sonde mandrel effects in an electromagnetic induction well logging apparatus An electromagnetic induction logging method is disclosed. The method includes measuring electromagnetic induction response in earth formations surrounding a wellbore. The measuring is performed on an electrically conductive sonde support. The measured response is de... | 05/10/2005 |
| 6538576 | Self-contained downhole sensor and method of placing and interrogating same The present invention provides a self-contained sensor module for use in a subterranean well that has a well transmitter or a well receiver associated therewith. In one embodiment, the sensor module comprises a housing, a signal receiver, a parameter sens... | 03/25/2003 |
| 6525540 | Method and device for detection of em waves in a well A method for detecting electrical properties in a geological formation in a well which has within it a tubing string comprising the steps of mounting a transmitter antenna outside of the tubing string in a fixed position with respect to the geological for... | 02/25/2003 |
| 6462561 | Standoff distance variation compensator and equalizer An inventively enhanced near-field sensor includes circuitry which removes variation in standoff distance (of the sensor from the inspected object) as a factor in the inspection system readings. An original output voltage which varies linearly according t... | 10/08/2002 |
| 6435286 | Apparatus and method for detecting a location and an orientation of an underground boring tool An apparatus and method for determining a location and an orientation of an underground boring tool by employment of a radar-like probe and detection technique. The boring tool is provided with a device which generates a specific signature signal in respo... | 08/20/2002 |
| 6426917 | Reservoir monitoring through modified casing joint An apparatus and a method for controlling oilfield production to improve efficiency includes a remote sensing unit that is placed within a subsurface formation, an antenna structure for communicating with the remote sensing unit, a casing joint having non... | 07/30/2002 |
| 6161630 | Apparatus and method for controlling an underground boring tool An apparatus and method for determining a location and an orientation of an underground boring tool by employment of a radar-like probe and detection technique. The boring tool is provided with a device which generates a specific signature signal in respo... | 12/19/2000 |
| 6084052 | Use of polyaryletherketone-type thermoplastics in downhole tools The present invention relates generally to the use of polyaryletherketone-based thermoplastic materials in the fabrication of logging tools employed in high pressure, high temperature, downhole logging applications. A polyaryletherketone resin bonded with... | 07/04/2000 |
| 5859533 | Process for the production of a supply current of a solenoid for a measuring probe for electromagnetic tomography An emitter for a system of electromagnetic tomographic measurements, as well as a process and a generator (5) adapted to produce a variable frequency current supplying a solenoid (1), constituted of turns wound about a magnetic core (3). The solenoid (1) ... | 01/12/1999 |
| 5663073 | Earth formation porosity estimation method A method for determined porosity of an earth formation surrounding a borehole without prior knowledge of formation lithology. Neutron logging tools are used to measure thermal neutron porosity, epithermal neutron porosity and formation absorption cross se... | 09/02/1997 |
| 5631562 | Time domain electromagnetic well logging sensor including arcuate microwave strip lines An electromagnetic well logging tool for imaging the electrical characteristics of a borehole. A tool inserted into the borehole includes the appropriate mechanical apparatus to align a plurality of transmission lines adjacent to the borehole wall without... | 05/20/1997 |
| 5530359 | Borehole logging tools and methods using reflected electromagnetic signals A borehole logging tool such as a wireline logging tool or a logging-while drilling tool includes a tool body; a transmitting antenna located in the body; a pulser for causing the transmitting antenna to transmit an electromagnetic signal; a receiving ant... | 06/25/1996 |
| 5491488 | Electromagnetic propagation tool using magnetic dipole antennas An electromagnetic propagation tool using magnetic dipole antennas comprising small current loops having characteristics of a point dipole is presented. The electromagnetic tool comprises a drill collar segment having at least one dipole antenna for each ... | 02/13/1996 |
