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| Number | Title | Issue Date |
| 5166905 | Means and method for dynamically locating positions on a marine seismic streamer cable A marine seismic system includes a streamer cable which is towed by a vessel in a body of water. The streamer cable includes a plurality of hydrophones located at predetermined positions in the streamer cable which receives vibrations resulting from a sei... | 11/24/1992 |
| 5165450 | Means for separating a fluid stream into two separate streams Valve means includes a first pipe which receives a signal fluid stream. The stream is separated into two substreams in accordance with a control signal. A second and third pipe are connected to the separating apparatus provides the substreams external to ... | 11/24/1992 |
| 5140271 | Watercut means and method with debris reducing test cell A petroleum stream microwave watercut monitor of the present invention includes a test cell having a petroleum flowing through it. A source, connected to a first antenna located within the test cell, provides microwave energy to the first antenna so as to... | 08/18/1992 |
| 5127272 | Multiphase flow rate monitoring means and method The flow rate monitor includes a test line containing a chamber wherein the test line is declinated at a predetermined angle so stratification of liquid and gas will occur in the chamber. A sample stream is removed from the liquid in the chamber and provi... | 07/07/1992 |
| 5107219 | Means and method for determining the conductance of a fluid The conductance meter includes source means which irradiates a fluid with microwave energy. A receiver receives microwave energy that has passed through the fluid and provides the received microwave energy as test microwave energy. Electronic apparatus de... | 04/21/1992 |
| 5101164 | Petroleum stream monitoring system and method with sample verification A multiphase petroleum stream monitoring system and method includes withdrawing a first sample stream from the petroleum stream. Both sample streams are irradiated with microwave energy. A second sample stream is withdrawn from the petroleum stream. Micro... | 03/31/1992 |
| 5095758 | Water cut monitoring means and method The present invention is a water cut monitor which includes a settling tank in which a quantity of fluid from a producing well is accumulated. The fluid is removed as a stream of fluid after a predetermined interval from the accumulation of the fluid by t... | 03/17/1992 |
| 5070725 | Water-cut monitoring means and method Oil well production is often measured by using a settling tank, pump, flowmeter and a water-cut meter. Fluid from a well being tested is allowed to accumulate in the settling tank and, after a predetermined settling time, is pumped through the flowmeter a... | 12/10/1991 |
| 5058425 | Earthen core analyzing means and method for determining the methane storage capacity of the core An analyzer includes a test cell which contains a core of coal from a coal bed methane reservoir. A tomographic system is used for testing the core at different times and provides signals corresponding to the tests. While the earthen core is being tested,... | 10/22/1991 |
| 5052814 | Shallow marine seismic system and method The present invention includes a buoy floating on a body of water. Positioning devices attached to the buoy are responsive to control signals to control the position of the buoy. A hydrone is suspended from the buoy to a predetermined shallow depth with a... | 10/01/1991 |
| 5036193 | Earthen core analyzing means and method An earthen core analyzer includes a test cell which contains an earthen core. A tomographic system is used for testing the earthen core and provides signals corresponding to the tests. While the earthen core is being tested, a fluid is provided to the ear... | 07/30/1991 |
| 5033289 | Water cut monitoring means and method Apparatus monitors the water cut of a petroleum stream flowing in a pipeline by comparing a probe signal to a reference signal. A probe is located in the pipeline and is connected to the reference signal through a series resistance. The probe signal chang... | 07/23/1991 |
| 5014010 | Dual frequency microwave water cut monitoring means and method A dual frequency microwave water cut monitor includes a microwave source which provides microwave energies at two different frequencies to a circulator which in turn provides the microwave energies to an antenna. The antenna provides the microwave energie... | 05/07/1991 |
| 5001434 | Variable mode microwave water cut monitor and method A variable mode microwave water cut monitor includes a test cell which contains a fluid sample. Apparatus controls the provision and removal of the fluid sample to effect different modes of operation for the monitor, a normal test mode and at least two ca... | 03/19/1991 |
| 4982383 | Downhole ultrasonic transit-time flowmetering means and method A sonde in a well logging system of the present invention includes caliper means providing a diameter signal corresponding to the diameter of a borehole traversing an earth formation. First and second transducers which, when so controlled, transmit an ult... | 01/01/1991 |
| 4977915 | Demulsifier control system and method The present invention controls the addition of a demulsifier through a petroleum stream by causing the petroleum stream to have a density gradient relating to its water content. The petroleum stream is sampled at two different locations along the density ... | 12/18/1990 |
| 4977377 | Microwave water cut monitor with temperature controlled test cell A petroleum stream microwave water cut monitor includes test cell means which contains a reference petroleum multiphase fluid sample and which has a sample stream of a petroleum stream passing through it. The test cell is maintained at a predetermined tem... | 12/11/1990 |
| 4974777 | Means and methods for controlling the drying of wet gas The control system and method of the present invention controls a heat treater receiving wet gas from a pipeline. The heat treater reduces the water content of the gas to provide dry gas to the pipeline. A sensor monitors the wet gas and provides a signal... | 12/04/1990 |
| 4972149 | Electromagnetic propagation thin bed resistivity well logging system and method The present invention is a thin bed resistivity well logging system and method which includes a transmitter transmitting electromagnetic energy into an earth formation, from within a borehole traversing the earth's formation, at a frequency lying within a... | 11/20/1990 |
| 4971437 | Optical spectral analysis system and method The present invention is an optical spectral analysis system and method which includes transmitting light through a specimen to be analyzed. The light that is passed through the specimen is filtered. The filtering of the light is obtained by utilizing a r... | 11/20/1990 |
| 4962514 | Method of calibrating a tomographic system for testing earthen cores The present invention concerns a method of calibrating a tomographic system which is used for testing earthen cores. At least two phantoms of a first type of phantom is used in calibrating for contrast resolution. At least two phantoms of a second type of... | 10/09/1990 |
| 4947127 | Microwave water cut monitor A petroleum stream microwave water cut monitor includes test cell means which contains a reference petroleum multiphase fluid sample and which has a sample stream of a petroleum stream passing through it. A source transmits microwave energy to one of a fi... | 08/07/1990 |
| 4947129 | Petroleum stream microwave watercut monitor The petroleum stream watercut monitor includes a test cell having a petroleum stream flowing through it. A microwave transmitter provides microwave energy through an antenna through an isolator. The antenna irradiates the test cell with the microwave ener... | 08/07/1990 |
| 4947128 | Co-variance microwave water cut monitoring means and method A co-variance microwave water cut monitor includes a test cell having a petroleum stress flowing through it while permitting the microwave energy to enter the test cell. A microwave source provides microwave energy to a circulator which in turn provides t... | 08/07/1990 |
| 4939362 | Borehole fluid density well logging means and method The present invention is a density meter which includes a well logging sonde that is inserted into a borehole traversing an earthen formation. The sonde includes within it a source which emits gamma rays into the borehole fluid and a detector assembly whi... | 07/03/1990 |
| 4905203 | Downhole doppler flowmeter A well logging system which monitors the flow rate of a fluid flowing in a borehole traversing an earth formation includes a sonde. A transmitter located in the sonde transmits acoustical waves into the fluid at a predetermined frequency. A receiver also ... | 02/27/1990 |
| 4894604 | Fluid capacitance sensing means and method A fluid capacitance sensor includes a device, receiving a stream of fluid, which converts the fluid flow to annular fluid flow. A capacitance sensing network has an internal capacitance substantially greater than the capacitance of the fluid. The capacita... | 01/16/1990 |
| 4891950 | Control system and method for a synthesis gas process A synthetic gas generator receiving oxygen and natural gas through separate pipes provides synthetic gas. The methane content of the synthetic gas is sensed and a corresponding methane signal is provided. Carbon monoxide and fuel hydrogen are removed from... | 01/09/1990 |
| 4884457 | Means and method for monitoring the flow of a multi-phase petroleum stream The multi-phase petroleum stream monitor includes two densitometers which measure the density of the petroleum stream at two locations and provides corresponding signals. The temperature and the pressure of the petroleum stream are also measured and corre... | 12/05/1989 |
