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| Number | Title | Issue Date |
| 4736316 | Minimum time, optimizing and stabilizing multivariable control method and system using a constraint associated control code In accordance with the present invention, a constraint dependent control method and system for a large scale refinery, chemical process or the like, is provided that allows on-line optimization of one and preferably two plant inputs without need for optim... | 04/05/1988 |
| 4714889 | Method of interpreting impedance distribution of an earth formation using precursor logging data provided by a multi-electrode logging array stationary within a borehole The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 12/22/1987 |
| 4703279 | Method of interpreting impedance distribution of an earth formation penetrated by a borehole using precursor data provided by a moving logging array having a single continuously emitting current electrode and a multiplicity of potential electrodes The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 10/27/1987 |
| 4677385 | Methd of logging an earth formation penetrated by a borehole to provide an estimate of impedance distribution with depth using end emitting current electrodes sequentially activated and a multiplicity of potential electrodes of a moving logging array The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 06/30/1987 |
| 4677386 | Method of interpreting impedance distribution of an earth formation obtained by a moving array using end emitting current electrodes sequentially activated and a series of potential electrodes The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 06/30/1987 |
| 4675610 | Method of logging an earth formation penetrated by a borehole to provide an improved estimate of impedance distribution with depth using a single continuously emitting current electrode and a multiplicity of potential electrodes of a moving logging array The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 06/23/1987 |
| 4675611 | Method of logging an earth formation penetrated by a borehole to provide an improved estimate of impedance distribution of the formation The response characteristics of a combination of hole-centered electric logging tools in a variety of borehole conditions can be obtained by means of impedance values as entries of a matrix resulting from measurements over a series of depth increments, ut... | 06/23/1987 |
| 4674068 | Method and apparatus associated with a microcomputer system for automatically indicating a next-in-time positional parameter of an exploration system that includes two recording trucks The present invention relates to a method and apparatus for generating, displaying and transmitting next-in-time from a first recording truck to a second recording truck to thereby provide coordination of operations between trucks.... | 06/16/1987 |
| 4661934 | Ground position controller and method for automatically indicating parameters that spatially cross-reference the locations of seismic spread and source arrays during exploration for hydrocarbons and the like The present invention relates to a ground position controller utilizing a microcomputer system interconnected to a digital field system (DFS) via a system bus, for generating, formatting and displaying information (for insuring integrity of field operatio... | 04/28/1987 |
| 4659675 | Predicting hydrocarbon potential of an earth formation underlying a body of water by analysis of seeps containing low concentrations of methane using improved cryogenic entrapment The present invention provides for on-site capture of methane at sea at dry ice temperature, for isotopic examination. In more detail, after interfering gas species have been removed from subsequent operational steps, the methane is oxidized to carbon dio... | 04/21/1987 |
| 4646022 | Computer-linked nuclear magnetic logging tool and method having a sham polarizing cycle for rapidly dispersing components of residual polarization associated with a prior-in-time NML collection cycle The present invention decreases the time needed between collection cycles of a NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operations, viz., usin... | 02/24/1987 |
| 4646021 | Computer-linked nuclear magnetic logging tool and method having slowly rising polarizing field turn-on segments for rapidly dispersing precessing components of residual polarization associated with a prior-in-time NML collection cycle The present invention decreases the time needed between collection cycles of a NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operating parameters, ... | 02/24/1987 |
| 4646020 | Computer-linked nuclear magnetic logging tool and method for rapidly dispersing components of residual polarization associated with a prior-in-time NML collection cycle The present invention decreases the time needed between collection cycles of a NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operating parameters o... | 02/24/1987 |
| 4646018 | Computer-linked NML tool and method having a series of sham polarizing cycles for rapidly dispersing components of residual polarization associated with a prior-in-time NML collection cycle as well as reduce tuning errors during ring down The present invention decreases the time needed between collection cycles of an NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operations, while gua... | 02/24/1987 |
| 4646017 | Computer-linked nuclear magnetic logging tool and method for rapidly dispersing components of residual polarization associated with a prior-in-time collection cycle as well as reduce tuning errors during ring down The present invention decreases the time needed between collection cycles of a NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operating parameters o... | 02/24/1987 |
| 4646016 | Computer-linked nuclear magnetic logging tool and method having a series of sham polarizing cycles for rapidly dispersing components of residual polarization associated with a prior-in-time NML collection cycle The present invention decreases the time needed between collection cycles of an NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operations, viz., usi... | 02/24/1987 |
| 4645935 | Method and apparatus for measuring thermal neutron absorption cross-section The thermal neutron absorption cross-section of a sample is measured by placing the sample in a sample container which surrounds a cavity within which a neutron source is positioned. A detector is positioned along a line parallel to an axis passing throug... | 02/24/1987 |
| 4646019 | Computer-linked nuclear magnetic logging tool and method having a sham polarizing cycle for rapidly dispersing components of residual polarization associated with a prior-in-time NML collection cycle as well as reduce tuning errors during ring down The present invention decreases the time needed between collection cycles of a NML tool located in a wellbore penetrating an earth formation by zeroing the effect of prior-in-time residual polarization via a surprising change in the operations while guard... | 02/24/1987 |
| 4486866 | Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing that results in distortion-free final records particularly useful in stratigraphic trap determination The disclosed invention is a method of seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes. The method has the channel-capacity economy of sign-bit recording and the distortion-free quality of full-waveform se... | 12/04/1984 |
| 4419616 | Power-up rack and method of use in association with portable microcomputers within a refinery and the like A power-up storage rack for microcomputers is provided for use in accommodating automatic recharging of each microcomputer irrespective of its multiple uses by several different operators. The rack resembles an H-shaped channel beam. Recharging results vi... | 12/06/1983 |
| 4380054 | Method and apparatus associated with a microcomputer system for indicating next-in-time parameters, and for controllably generating a positional code for a rollalong switch associated with a seismic source-detector array of an exploration system The present invention relates to a method and apparatus for selectively generating a next-in-time positional code for disconnectably connecting recording circuitry to different but contiguous sets of detectors, i.e. an "active" array, from among a plurali... | 04/12/1983 |
| 4369505 | Method and apparatus associated with a microcomputer system for automatically testing a next-in-time positional parameter of an exploration system that includes two recording trucks The present invention relates to testing--at a second recording truck--a positional reference code (generated by a first recording truck); the reference code (associated with next-in-time positions of a source-detector array operatively connected to the s... | 01/18/1983 |
| 4369507 | Conditional updating method and apparatus associated with a microcomputer system for automatically indicating and recording parameters that spatially define locations of seismic exploration spread and source arrays The present invention relates to a method and apparatus for conditionally updating source-detector array parameters related to a seismic exploration system, especially during generation and collection of seismic data using a vibratory source detector arra... | 01/18/1983 |
| 4355379 | Continuous automatic migration of seismic data with waveform preservation Amplitude-versus-time information of a seismic time section is automatically migrated so that events on the time section are displaced, both vertically and horizontally, into positions on a seismic depth section that correspond to actual spatial positions... | 10/19/1982 |
| 4353117 | Method of diagnosing errors off-line in pipe specification files of a computer-aided graphics system A method of updating pipe specification files of a computer-dominated piping graphics system, off-line. Interactive cross-checking of new data increases likelihood of effective, later batch operations.... | 10/05/1982 |
| 4346461 | Seismic exploration using vibratory sources, sign-bit recording, and processing that maximizes the obtained subsurface information The disclosed invention is a method of seismic exploration using vibratory sources activated by stationary, Gaussian codes. The method has the channel-capacity economy of sign-bit recording, at both the sources and receivers, without the sacrifice of any ... | 08/24/1982 |
| 4316268 | Method for interpretation of seismic records to yield indication of gaseous hydrocarbons The present invention indicates that gas-containing strata of an earth formation have low Poisson's ratios and that the acoustic contrast with the overburden rock has a surprising effect as a function of the angle of incidence on a seismic wave associated... | 02/16/1982 |
| 4316267 | Method for interpreting events of seismic records to yield indications of gaseous hydrocarbons The present invention indicates that gas-containing strata of an earth formation have low Poisson's ratios and that the acoustic contrast with the overburden rock has a surprising effect as a function of the angle of incidence on a seismic wave associated... | 02/16/1982 |
| 4310884 | Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use In accordance with the invention, satellite navigation, receiver system of an exploration system for exploring for hydrocarbons in earth formations can be tested for fieldworthiness using a portable microcomputer-controlled satellite navigation simulator.... | 01/12/1982 |
| 4301888 | Bi-directional impulse shear wave generator and method of use In accordance with the present invention, an impulse generator of high portability is provided using a pair of guillotinized, separately activated hammer/anvil sub-assemblies. Since each sub-assembly is horizontal positioned, say in contact with the earth... | 11/24/1981 |
| 4233677 | Automatic system and method for testing marine streamers of seismic exploration systems In accordance with the present invention, a marine streamer test system and method (MARSTEST) is disclosed for testing field-worthiness of hydrophone sections within the streamer under both passive and dynamic operating conditions. With regard to a passiv... | 11/11/1980 |
| 4203090 | Transponder system including an oscillator ripple counter controlling a coded analog multiplex network in a circuit with a driver/gate circuit for generating red-alert end condition digital signals in a storage tank gauging system A "red-alert" end condition digital signal is generated by a transponder system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including an oscillator/ripple counter controlling a coded analog multiplexer network in c... | 05/13/1980 |
| 4194177 | Transducer system for continuous monitoring liquid levels in storage tanks and the like The liquid level within a storage tank network is continuously monitored by a transducer system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including a differential pressure (dp) cell in circuit with a digital volt... | 03/18/1980 |
| 4181954 | Computer-aided graphics system including a computerized material control system and method of using same Description is hereinafter had to a digital computer-aided graphics system for producing in a plane having two-dimensional coordinate axes a planar representation of a three-dimensional pipeline described in easy-to-understand coded input format as a seri... | 01/01/1980 |
| 4171520 | Transponder system including an oscillator/ripple counter controlling a fixed gray code logic network in circuit with a driver/gate circuit for generating "red-alert" end condition digital signals in a storage tank gauging system A "red-alert" end condition digital signal is generated by a transponder system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including an oscillator/ripple counter controlling a fixed Gray code logic encoding networ... | 10/16/1979 |
| 4160239 | Transponder system including an oscillator/ripple counter controlling a fixed Gray code logic network in circuit with a decoder/driver network for generating "red alert" end condition digital signals in a storage tank gauging system A "red-alert" end condition digital signal is generated by a transponder system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including an oscillator/ripple counter controlling a fixed Gray code logic encoding networ... | 07/03/1979 |
| 4146872 | Combination flyer-jumper associated with a geophysical data acquisition system and method of manufacture The method and apparatus of the present invention are described in which connection (and disconnection) of a plurality of geophones associated with a digital seismic data acquisition system is greatly simplified without sacrificing flexibility as to the n... | 03/27/1979 |
| 4140993 | Method of providing a series of flyer groups connected to a remote digital acquisition and telemetering circuit unit (RDATC) of a field seismic data acquisition system The method and apparatus of the present invention are described in which connection (and disconnection) of a plurality of geophones associated with a series of stations of a digital seismic data acquisition system is greatly simplified without sacrificing... | 02/20/1979 |
| 4138308 | Heat wand for splicing twisted thermoplastic tapes Instead of being butt-spliced, thermoplastic tapes used to form yarn used by carpet manufacturers are sealed along a longer bias of their off-centered, cross alignment, (providing greater strength but without additional bulk) by means of a heating wand an... | 02/06/1979 |
| 4109522 | Method of borehole logging using passive Josephson current detector to directly determine the presence of hydrocarbons A high-gain Josephson-type two-particle tunneling detector is positioned in a borehole penetrating an earth formation and tuned for response in a frequency range of 8400 to 9600 gigahertz. Result: IR emission due to "stretching" vibration of the C-H bonds... | 08/29/1978 |
