Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7095232 | Determination of borehole geometry inside cased wells with crosswell electromagnetics A method is disclosed for locating a receiver in a borehole having a conductive liner by inducing an electromagnetic field from a transmitter in a first borehole, detecting at a first location by at least one receiver located in a second borehole having a conductive... | 08/22/2006 |
| 7049821 | Determination of borehole geometry inside cased wells with crosswell electromagnetics A method is disclosed for locating a receiver in a borehole having a conductive liner by inducing an electromagnetic field from a transmitter in a first borehole, detecting at a first location by at least one receiver located in a second borehole having a conductive... | 05/23/2006 |
| 6731114 | Apparatus with capacitive electrodes for measuring subsurface electrical characteristics in the subsoil The invention relates to apparatus with capacitive electrodes for electrical prospecting in a borehole, the apparatus comprising at least two injection electrodes (16, 18), at least two measurement electrodes (28, 34), and a current generator (22 | 05/04/2004 |
| 6147497 | Using electrical impedance tomography to map subsurface hydraulic conductivity The use of Electrical Impedance Tomography (EIT) to map subsurface hydraulic conductivity. EIT can be used to map hydraulic conductivity in the subsurface where measurements of both amplitude and phase are made. Hydraulic conductivity depends on at least ... | 11/14/2000 |
| 5187440 | Measuring resistivity changes from within a first cased well to monitor fluids injected into oil bearing geological formations from a second cased well while passing electrical current between the two cased wells A.C. current is conducted through geological formations separating two cased wells in an oil field undergoing enhanced oil recovery operations such as water flooding operations. Methods and apparatus are disclosed to measure the current leakage conducted ... | 02/16/1993 |
| 4901023 | Methods and apparatus for measurement of low frequency a.c. magnetic fields within cased boreholes to determine properties of geological formations This invention relates to the measurement of the longitudinal components of low frequency A.C. magnetic fields from within cased boreholes which are used to measure the geophysical properties of geological formations. The applied A.C. magnetic fields are ... | 02/13/1990 |
| 4875015 | Multi-array borehole resistivity and induced polarization method with mathematical inversion of redundant data Multiple arrays of electric or magnetic transmitters and receivers are used in a borehole geophysical procedure to obtain a multiplicity of redundant data suitable for processing into a resistivity or induced polarization model of a subsurface region of t... | 10/17/1989 |
| 4755944 | Method for obtaining dielectric constant and conductivity information on subsoil structure using continuous complex geotomography The present invention relates to an economical, high resolution non-destructive method to remotely image rock mass and subsoil features. More specifically, the invention relates to a method measuring the properties of subsoil structure by first creating a... | 07/05/1988 |
| 4281289 | Method of determining interwell oil field fluid saturation distribution A method of determining the oil and brine saturation distribution in an oil field by taking electrical current and potential measurements among a plurality of open-hole wells geometrically distributed throughout the oil field. Poisson's equation is utiliz... | 07/28/1981 |
| 4253063 | Impedance measuring method of and apparatus for detecting escaping leach solution In an in situ uranium leaching process, a method of detecting presence or absence of leach solution escaping from a desired leaching zone involves monitoring the electrical impedance of a zone just outside the desired zone to detect high ionic concentrati... | 02/24/1981 |
