Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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 |
| 8085050 | Robust inversion systems and methods for azimuthally sensitive resistivity logging tools Methods and systems for determining the horizontal resistivity, vertical resistivity, and relative dip angle of anisotropic earth formations. Some of the disclosed methods and systems measure sinusoidal variation of azimuthally sensitive resistivity logging tool mea... | 12/27/2011 |
| 8072221 | Externally guided and directed field induction resistivity tool An induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component having an outer surface, and at least one induction transmitter assembly disposed along the outer surface. The transmitter assembly includes at lea... | 12/06/2011 |
| 8035392 | Method and apparatus for while-drilling transient resistivity measurements Structure for deep MWD resistivity measurements suitable for both geo-steering and measurements ahead of the drill bit is disclosed. The structure is capable of extracting information about resistivity of formation in the presence of conductive drill. In one embodim... | 10/11/2011 |
| 8035391 | Methods of logging geological formations A method of method of logging an invaded geological formation comprises the steps of: (i) operating plural receivers in order to receive signals generated by one or more transmitters and thereby create logs of overlapping lengths o... | 10/11/2011 |
| 8030936 | Logging tool with independently energizable transmitters A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver ... | 10/04/2011 |
| 7994791 | Resistivity receiver spacing A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver ... | 08/09/2011 |
| 7982463 | Externally guided and directed field induction resistivity tool In one aspect an induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component comprising an outer diameter and at least one induction transmitter assembly disposed along the outer diameter. The at least one tran... | 07/19/2011 |
| 7982464 | Drilling systems and methods using radial current flow for boundary detection or boundary distance estimation Systems and methods for look-ahead boundary detection and distance estimation are disclosed. In some embodiments, a drilling method includes extending a borehole with a drill string that includes a resistivity logging tool. The logging tool makes upward-looking and ... | 07/19/2011 |
| 7969153 | Borehole conductivity simulator verification and transverse antenna balancing A reactance is introduced into a flow path of axial currents in an induction logging tool. The reactance may be a capacitor or an inductor. A transmitter antenna is operated at a frequency defined by a cutoff frequency related to the reactance. ... | 06/28/2011 |
| 7948239 | Method for controlling a depth of an induction field In one aspect of the present invention, an induction resistivity tool includes an induction transmitter and an induction receiver located along the length of the tool. The transmitter is located adjacent at least one induction bucking coils of the tool. When activat... | 05/24/2011 |
| 7932723 | Borehole conductivity simulator verification and transverse coil balancing Calibration of the arrays of a multicomponent induction logging tool is achieved by positioning the tool horizontally above ground. The upper and lower housings of the tool are connected by a borehole conductivity simulator which as a resistance comparable to that o... | 04/26/2011 |
| 7915895 | Method of calibrating an azimuthal inductive cross-coil or tilted coil instrument A phase error in measurements made by a resistivity logging tool is estimated by positioning the tool above a conducting surface. Deviation of the measured phase difference between the transmitter and the receiver from 90° gives the phase error in the electronics. ... | 03/29/2011 |
| 7902827 | Method and apparatus for combined induction and imaging well logging An induction logging device is provided with additional electrodes. One set of electrodes provides voltages that are indicative of the current distribution in the borehole. The output of the first set of electrodes may be used for estimating formation resistivity. A... | 03/08/2011 |
| 7898259 | Downhole induction resistivity tool A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver ... | 03/01/2011 |
| 7888940 | Induction resistivity cover A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver ... | 02/15/2011 |
| 7884611 | Method for controlling a characteristic of an induction field In one aspect of the present invention, an induction resistivity tool includes an induction transmitter and an induction receiver located along the length of the tool. The transmitter is located adjacent at least one induction bucking coils of the tool. When activat... | 02/08/2011 |
| 7816921 | Resistivity tools with load-bearing azimuthally sensitive antennas and methods of using same The disclosure provides apparatus and method for estimating an electrical property downhole. The apparatus, in one aspect, includes an antenna that comprises a unitary metallic member that has a longitudinal axis and a radial axis, at least one slot made in the meta... | 10/19/2010 |
| 7812609 | Antennas for deep induction array tools with increased sensitivities Improved receiver antennas are disclosed for long offset tensor induction army logging tools. The disclosed antennas include a bobbin which accommodates a ferromagnetic core. The outer surface of the bobbin is wrapped around a binding so that winding is thicker or i... | 10/12/2010 |
| 7800372 | Resistivity tools with segmented azimuthally sensitive antennas and methods of making same In one aspect, an apparatus and a method for estimating one or more electrical properties downhole are provided. The apparatus, in one embodiment, may include a metallic member that has a longitudinal axis and a radial axis, at least two groups of slots formed in th... | 09/21/2010 |
| 7733093 | Method of and apparatus for measuring tensor resistivity An induction or propagation apparatus for performing measuring the tensor resistivity of a sample of matter includes a non-conductive, generally cylindrical tubular member adapted to receive the matter therein, a triaxial transmitter, at least one triaxial receiver,... | 06/08/2010 |
| 7679366 | Selectable tap induction coil An electromagnetic logging tool includes a support configured for disposal in a well; at least one antenna mounted on the support; and a plurality of coils mounted on the support proximate the at least one antenna, wherein the plurality of the coils are configured f... | 03/16/2010 |
| 7656160 | Determining properties of earth formations using the electromagnetic coupling tensor A system and method to determine earth formation properties by positioning a logging tool within a wellbore in the earth formation, the logging tool having a tool rotation axis and a first, a second, and a third tilted transmitter coil, and a tilted receiver coil; r... | 02/02/2010 |
| 7629791 | Method and apparatus for making multi-component measurements in deviated wells Measurements made by a multi-component induction logging tool are corrected for tool eccentricity in a deviated borehole. The eccentricity angle is determined from single frequency skin-effect corrected data and is then used to correct multifrequency data. Multifreq... | 12/08/2009 |
| 7629792 | Correction of misalignment of antennas in a downhole logging tool Misalignment of the transmitter and receiver coils of an induction logging tool is determined by positioning the logging tool with a coil axially encompassing the transmitter coil and/or the receiver coil, and activating the transmitter at a plurality of rotational ... | 12/08/2009 |
| 7629793 | Correction of misalignment of antennas in a logging tool Misalignment of the transmitter and receiver antennas of an induction logging tool is determined by positioning the logging tool with a conducting loop magnetically coupled to the transmitter antenna and/or the receiver antenna, and activating the transmitter at a p... | 12/08/2009 |
| 7612566 | Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells Measurements made with a multicomponent logging instrument when used in a substantially horizontal borehole in earth formations provide diagnostic of the direction of beds relative to the position of the borehole. When the logging instrument is conveyed on a drillin... | 11/03/2009 |
| 7598741 | Method and apparatus for internal calibration in induction logging instruments The present invention improves measurement of the formation induction response in the presence of the primary magnetic field generated by a logging tool's transmitter. A structure is provided having a new combination of electrical and mechanical design features whic... | 10/06/2009 |
| 7598742 | Externally guided and directed field induction resistivity tool In one aspect an induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component comprising an outer diameter and at least one induction transmitter assembly disposed along the outer diameter. The at least one tran... | 10/06/2009 |
| 7541813 | Externally guided and directed halbach array field induction resistivity tool In one aspect of the invention an induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component having an outer diameter. At least one induction transmitter assembly is disposed along the outer diameter. The tran... | 06/02/2009 |
| 7514930 | Apparatus and method for addressing borehole eccentricity effects A well logging tool apparatus is disclosed for conducting measurements in a borehole environment surrounding a borehole that traverses a subsurface formation. The apparatus includes an elongated conductive mandrel having a longitudinal axis, an antenna array positio... | 04/07/2009 |
| 7489134 | Magnetic sensing assembly for measuring time varying magnetic fields of geological formations A magnetic sensing assembly for measuring magnetic field produced by a time varying electric current generated in geological formations is disclosed. The assembly comprises a soft magnetic core, a sensing coil wound on the core, and at least one miniature low noise ... | 02/10/2009 |
| 7471088 | Elimination of the anisotropy effect in LWD azimuthal resistivity tool data Cross-component measurements made with a dual-transmitter configuration are processed to estimate a distance to an interface in an anisotropic earth formation. Optionally, measurements may be made with two receivers, also in the dual transmitter configuration. ... | 12/30/2008 |
| 7463035 | Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells Measurements made with a multicomponent logging instrument when used in a substantially horizontal borehole in earth formations are diagnostic of the direction of beds relative to the position of the borehole. When the logging instrument is conveyed on a drilling as... | 12/09/2008 |
| 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 |
| 7427862 | Increasing the resolution of electromagnetic tools for resistivity evaluations in near borehole zones A tool for performing electromagnetic measurements within a borehole includes a transmitter including a coil having N-turns wound coaxially around a long metallic mandrel and a receiver including a coil having a one-turn receiving loop wound coaxially around the man... | 09/23/2008 |
| 7417436 | Selectable tap induction coil An electromagnetic logging tool includes a support configured for disposal in a well; at least one antenna mounted on the support; and a plurality of coils mounted on the support proximate the at least one antenna, wherein the plurality of the coils are configured f... | 08/26/2008 |
| 7414391 | Electromagnetic logging tool calibration system Techniques for calibrating an electromagnetic logging tool equipped with a plurality of antennas, with at least one antenna having its axis at an angle with respect to a tool axis, include disposing a test loop about the tool such that an axis of the tool and a plan... | 08/19/2008 |
| 7414407 | Method and apparatus for directional resistivity measurement while drilling A resistivity tool has a body with at lest one pair of grooves on its exterior oriented orthogonal to the tool axis. A coil antenna is oriented orthogonal to the grooves in a hole intersecting the grooves and oriented orthogonal to the tool axis. The antenna and an ... | 08/19/2008 |
| 7408355 | Borehole conductivity simulator verification and transverse coil balancing Calibration of the arrays of a multicomponent induction logging tool is achieved by positioning the tool horizontally above ground. The upper and lower housings of the tool are connected by a borehole conductivity simulator which as a resistance comparable to that o... | 08/05/2008 |
| 7386430 | Method of correcting triaxial induction arrays for borehole effect A method for modeling borehole effects of a transverse array induction tool includes selecting a formation-borehole model having a set of parameters, wherein the set of parameters comprises a direction of tool eccentering; determining initial values for the set of p... | 06/10/2008 |
