Bizarre Patents
A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8164339 | Apparatus and system for geosteering and formation evaluation utilizing improved antennas An apparatus for measuring one or more earth formation properties during applications including formation evaluation and geosteering applications is provided. The apparatus includes: an elongated body; at least one recessed portion on a periphery of the elongated bo... | 04/24/2012 |
| 7394257 | Modular downhole tool system A downhole tool for formation logging includes a tool body configured to move in a borehole; and at least one sensor module mounted in at least one mounting location on the tool body, wherein the at least one sensor module is interchangeable with other sensor module... | 07/01/2008 |
| 7327145 | Azimuthally focused electromagnetic measurement tool An azimuthally sensitive electromagnetic measurement tool is provided. The tool may be suitable, for example, to measure azimuthal variations of electrical properties of a subterranean formation. The tool includes a transmitter disposed to transmit electromagnetic e... | 02/05/2008 |
| 7239145 | Subsurface electromagnetic measurements using cross-magnetic dipoles Sensor assemblies including transmitter and receiver antennas to respectively transmit or receive electromagnetic energy. The sensor assemblies are disposed in downhole tools adapted for subsurface disposal. The receiver is disposed at a distance less than six inche... | 07/03/2007 |
| 7233150 | While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics Earth formations are characterized by using an array of electrodes which can measure streaming potentials in the formation, and by interpreting the data obtained by the electrodes. The electrodes are placed on a wireline tool, a LWD tool, or in a fixed manner about ... | 06/19/2007 |
| 7224288 | Link module for a downhole drilling network A repeater is disclosed in one embodiment of the present invention as including a cylindrical housing, characterized by a proximal end and a distal end, and having a substantially cylindrical wall, the cylindrical wall defining a central bore passing therethrough. T... | 05/29/2007 |
| 7095233 | System, apparatus, and method of conducting borehole resistivity measurements A logging-while-drilling tool is adapted for incorporation with a drill string having a longitudinal axis. The drill string is further adapted for drilling a wellbore penetrating a geological formation. The drilling tool includes a tool body having a central axis di... | 08/22/2006 |
| 7083006 | Non-rotating sensor assembly for measurement-while-drilling applications An MWD method and apparatus for determining parameters of interest in a formation has a sensor assembly mounted on a slidable sleeve slidably coupled to a longitudinal member, such as a section of drill pipe. When the sensor assembly is held in a non-rotating positi... | 08/01/2006 |
| 7000903 | Wireline subsea metering head and method of use A system and method to measure positioning with respect to deploying a subsea load, the system comprising a subsea metering head having a position sensor; a controllable winch operatively connected to the winch flexible cable; and a controller operatively in communi... | 02/21/2006 |
| 6927578 | Detection of borehole currents due to a decentered transverse magnetic dipole transmitter The invention provides an apparatus for making an electromagnetic measurement from within a subsurface borehole. The apparatus comprises an elongated support having electrically conductive segments and adapted for disposal within the borehole; an antenna adapted to ... | 08/09/2005 |
| 6920689 | Method for making a socket to perform testing on integrated circuits A interconnect structure is inexpensively manufactured and easily insertable into a socket. The interconnect structure is manufactured by forming a sacrificial substrate with cavities that is covered by a masking material having openings corresponding to the cavitie... | 07/26/2005 |
| 6712139 | Method of well casing cathodic protection optimization using the drill stem data A method of cathodic current optimization measures drill stem resistances along a well hole being drilled, correlates the drill stem resistances to respective types of underground formations at corresponding positions along the well hole, predicts a respective posit... | 03/30/2004 |
| 6454023 | Mapping tool for tracking and/or guiding an underground boring tool Systems and associated methods for tracking and/or guiding an underground boring tool use one or more detectors to measure the intensity of an electromagnetic field which is transmitted from an underground boring tool. The measured intensities may then be... | 09/24/2002 |
| 5767674 | Apparatus for protecting a magnetic resonance antenna The instruments of a pulsed nuclear magnetic resonance device are included in a drill collar for evaluating earth formations. The resulting tool makes NMR measurements through an electrically non-conductive shield while the formation is being drilled.... | 06/16/1998 |
| 5359324 | Well logging apparatus for investigating earth formations A logging-while-drilling system is disclosed in which a first subassembly is included near the drill bit, and this subassembly comprises a conducting body with measuring means disposed in it and a first toroidal coil antenna disposed on the body, means fo... | 10/25/1994 |
| 5343152 | Electromagnetic homing system using MWD and current having a funamental wave component and an even harmonic wave component being injected at a target well Apparatus for measuring magnetic fields while drilling includes an electrode located adjacent or in contact with a target well casing to produce an electrical current. The current including a fundamental wave component having two opposite zero crossings p... | 08/30/1994 |
| 5184692 | Retrievable radiation source carrier A retrievable radiation source carrier assembly for a logging while drilling tool is disclosed. The carrier includes a solid rod or member of high strength and low elastic modulus that connects the housings of at least two radiation sources. In a preferre... | 02/09/1993 |
| 5103920 | Surveying system and method for locating target subterranean bodies An improved system for use in drilling a relief well to intersect a target blowout well. A probable location distribution is used to survey the location of the candidate relief wells and the blowout well. Through the use of the relative probable location ... | 04/14/1992 |
| 4912415 | Sonde of electrodes on an earth drill for measuring the electric formation resistivity in earth strata A sonde has an at least approximately cylindrical drill-stem member, whereby the drill-stem member may be coupled with other drill-stem members into a drill string. A spiral winding is longitudinally about the drill-stem member for conveying drilled out e... | 03/27/1990 |
| 4901804 | Articulated downhole surveying instrument assembly An articulated downhole surveying instrument and method for measuring parameters of a wellbore includes one or more laterally flexible coupling sections. The laterally flexible coupling sections are rigid in axial tension and axial compression, and are sm... | 02/20/1990 |
| 4625173 | System for monitoring formation spontaneous potential and polarization constant while drilling An electrode insulated from and mounted to the outside of a drill collar in a drill string positioned in a borehole is used for measuring formation spontaneous potential. A current measuring device, such as an ammeter, is connected through a varible ammet... | 11/25/1986 |
| 4578675 | Apparatus and method for logging wells while drilling An information while drilling apparatus and method for characterizing strata in the vicinity of a drill bit at the lower end of a drill string, including a down-hole module unit and surface receiving and control units. Excitation currents are caused to pa... | 03/25/1986 |
| 4496174 | Insulated drill collar gap sub assembly for a toroidal coupled telemetry system An insulated drill collar gap sub assembly for a toroidal coupled telemetry system including a first annular sub member (150) operable to be connected at one end to a drill collar and a second annular sub member (156) operable to form a part of a drill co... | 01/29/1985 |
| 4494072 | Well logging apparatus with replaceable sensor carrying insulating sleeve disposed in rotation restrained position around a drill string A replaceable insulating sleeve is disposed around the lower end of a drill string used in drilling a well. The sleeve is restrained from rotating relative to the drill string, but can be released and quickly slipped off the drill string in the field to p... | 01/15/1985 |
| 4001774 | Method of transmitting signals from a drill bit to the surface A system for performing wellbore telemetry operations wherein a communication link between a subsurface location in a well and the location substantially at the surface is established and maintained through electromagnetic coupling between two insulated e... | 01/04/1977 |
