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7530737 |
System and method for measuring temperature using electromagnetic transmissions within a well
Exemplary systems and methods are directed to measuring temperature in a borehole located below a surface of a landform using high-energy transmission. A sequence of electromagnetic (EM) energy...
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7398680 |
Tracking fluid displacement along a wellbore using real time temperature measurements
Tracking fluid displacement along a wellbore using real time temperature measurements. A method of tracking fluid displacement along a wellbore includes the steps of: monitoring temperature in real...
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7325971 |
Method and apparatus for locating hydrocarbon deposits
A method and apparatus for locating hydrocarbon deposits includes temperature 16 sensor for measuring earth surface temperature at each of a plurality of locations, and a solar absorption sensor ...
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7246940 |
Method and apparatus for managing the temperature of thermal components
A temperature management system for managing the temperature of a discrete, thermal component. The temperature management system comprises a heat exchanger thermally coupled with the thermal...
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7008103 |
Method and apparatus for temperature sensing utilizing optical fiber
A method and apparatus for sensing temperature using optical fiber is provided. In one embodiment, a method for sensing temperature using optical fiber includes launching a polarized optical signal...
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7004623 |
Disposable sheath for data logger probe and method for measuring and recording temperature in a closed container
A disposable sheath for a data logger probe comprises a mounting plate 12 and an elongated sheath 14 attached perpendicularly to the mounting plate for insertion through the wall or top cover...
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6789937 |
Method of predicting formation temperature
The present invention discloses a method of calculating a static formation temperature in a reservoir penetrated by a wellbore. One embodiment of the present invention comprises estimating the...
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6719068 |
Probing device with microwave transmission
Geological probing device comprising a hollow probing rod to be extended into the geological matter to be probed, and a measuring probe fitted to the probing rod, said measuring probe comprising...
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6589449 |
High-melting-point conductive oxide, method of manufacturing the same, and high-temperature electrically conductive material based on the oxide
A high-melting-point conductive oxide includes a mixture of a powdered Sr compound and Ru compound and/or Ru metal. The mixture is sintered at a primary temperature of 900° C. to 1300° C. in an...
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6585036 |
Energy systems
An earth energy transfer system with a moving energy transfer fluid, the system for transferring energy for an entity, the system, in certain aspects, having apparatus and related items for...
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6585410 |
Radiant temperature nulling radiometer
A self-calibrating nulling radiometer for non-contact temperature measurement of an object, such as a body of water, employs a black body source as a temperature reference, an optomechanical...
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6558036 |
Non-intrusive temperature sensor for measuring internal temperature of fluids within pipes
An apparatus for sensing the temperature of a fluid being drawn from a well includes a pipe having a wall, a sensor mounted on the outer surface of the pipe wall, an insulator, and a housing...
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6250371 |
Energy transfer systems
An earth energy loop transfer system with a moving energy transfer fluid, the system for transferring energy for an entity, the system having means for measuring an amount of energy transferred for...
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6227045 |
Groundwater flow measuring system
A probe for monitoring groundwater flow seepage velocity and direction has an electrical heater and a plurality of temperature sensors located equidistant from the heater. The probe with the heater...
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5964530 |
Method for compensating earth surface temperatures for the skyward effect thereon
A method for compensating measured earth surface temperatures for the effects which skyward temperatures have upon such measured temperatures. Also, methods for employing compensated earth surface...
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5954430 |
Method and temperature sensor structure for elimination of radiation error
The invention relates to a method and temperature sensor structure for compensating radiation error particularly in a radiosonde, rocket sonde or dropsonde. According to the method, each sonde...
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5834641 |
Depth gauge
The invention relates to a depth gauge for use in angling or sports fishery. The depth of a body of water may be measured therewith from its surface to its bottom, and/or the depth and the size of...
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5731517 |
Measuring device used in a four-parameter measuring system and in a high temperature and high pressure condition
A measuring device used in a four parameter measuring system for measuring simultaneously temperature, pressure, flow rate and steam quality of steam injection profiles during heavy oil recovery by...
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5704713 |
Reconstruction of geologic thermal histories
The invention relates to a multivariate method of inverting paleothermometer and age indicator data to derive the temperature history of rocks. The method uses kinetic models of geologic material...
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5553940 |
Apparatus for and method of detecting water temperature for fishing
A water temperature gauge includes a first timer circuit in which a time for submerging the water temperature gauge to a position of a desired depth for measurement, and a measuring circuit for...
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5524483 |
Methods for locating oil or gas deposits employing earth surface temperatures
A method for predicting the likelihood of encountering oil or gas deposits below a location and determining the areal extent and magnitude (economic value) of such deposit. The earth's surface...
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5445453 |
Method for airborne surveying which includes the determination of the apparent thermal inertia of the material being surveyed
A method for airborne surveying is disclosed to acquire, process and calculate the apparent thermal inertia of earth surface materials during flight and by post-flight processing. Two separate...
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5351531 |
Depth measurement of slickline
A depth measuring system for a slickline utilized in a well bore operation where the slickline is in a non-slip relationship with the circumference of a calibrated measuring wheel and the...
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5346307 |
Using electrical resistance tomography to map subsurface temperatures
A method is provided for measuring subsurface soil or rock temperatures remotely using electrical resistivity tomography (ERT). Electrical resistivity measurements are made using electrodes...
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5321612 |
Method for exploring for hydrocarbons utilizing three dimensional modeling of thermal anomalies
A method for exploring and finding a subterranean hydrocarbon reservoir by modeling of temperature and/or thermal anomalies within a geologic volume of the earth's crust. The geologic volume is...
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5277495 |
Temperature to frequency converter
A temperature to frequency converter includes two temperature detectors having an electrical characteristic, such as resistance, that varies proportionally with sensed temperature. These devices...
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5191790 |
Carrier
An assembly capable of being launched from a submarine to carry into seawater an element responsive to a property of the water to be measured, comprising a carrier member coupled to the element, a...
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5163321 |
Borehole pressure and temperature measurement system
A system is provided for measuring both the temperature and pressure of fluid in a borehole utilizing a single small diameter tube extending from the surface to the desired downhole test location...
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5159569 |
Formation evaluation from thermal properties
A method for determining thermal characteristics of a geological formation from observations of temperature relaxation in a formation after a temperature perturbation, such as that resulting from...
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5136525 |
Method and apparatus for carrying out borehole temperature measurements
A self-contained, programmable temperature sensor is positioned within a suitable pressure housing affixed to a borehole tool to record and store temperature data at predetermined times during...
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5121993 |
Triaxial thermopile array geo-heat-flow sensor
A triaxial thermopile array geothermal heat flow sensor is designed to measure heat flow in three dimensions in a reconstituted or unperturbed subsurface regime. Heat flow can be measured in...
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5110217 |
Method for optically and remotely sensing subsurface water temperature
A method for remotely measuring an unknown temperature Ts of a transparent medium by comparison with the known temperature Tr of a transparent reference material consisting of the steps of ...
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5046359 |
Underwater launched carrier
An assembly capable of being launched from a submarine to carry into seawater an element responsive to a property of the water to be measured, comprising a carrier member coupled to the element, a...
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5040901 |
Temperature measuring device
A temperature measuring device includes a metallic heating member, a temperature sensor such as a thermistor, and an electrical insulating thin film formed on the inner surface of the heating...
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5026999 |
Method of remotely measuring subsurface water temperatures by stimulated raman scattering using stimulated brillouin backscattering
A technique for measuring the unknown subsurface temperature T of a bulk transparent medium such as sea water by focussing a high intensity pulsed laser beam in a first direction into the water to...
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5014553 |
Method for measuring the state of a fluid
The temperature of one or several sensors which are electrically heated or cooled to a temperature substantially different from a stagnant or running fluid surrounding the said sensor or sensors by...
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5010764 |
Method and apparatus for logging short radius horizontal drainholes
A method and apparatus for logging short radius horizontal drainholes. An end sub in a tubing string contains a bend which angles the downstream end of the sub with respect to the upstream end. A...
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5007742 |
Temperature-sensing member
Disclosed is a temperature-sensing member including a columnar or hollow cylindrical base having a configuration of a circular or polygonal column or a hollow circular or polygonal cylinder; and at...
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5002124 |
Underground temperature and pressure measuring system for hot-exploiting oil well
A kind of underground temperature and pressure measuring system for hot-exploiting oil well mainly comprises a casing, a high-temperature sealing element, a high-temperature time-controlling unit,...
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4988210 |
Method and apparatus for detecting defective portion on outer surface of pipe
A method and apparatus for detecting a defective portion on the outer surface not exposed of a pipe, which comprises: heating or cooling a pipe, the outer surface of which is not exposed, from the...
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4953986 |
Air/sea temperature probe
An air/sea temperature probe is disclosed which can be deployed from a moving ship to detect the temperature profile of the atmosphere and ocean beyond the thermal influence of a ship. The probe...
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4948958 |
Remote subsurface water temperature measuring apparatus with brillouin scattering
To remotely measure the unknown subsurface temperature T s of a bulk transparent medium such as ocean water, a high intensity pulsed laser beam is split into two sub-beams, a probe beam and a...
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4947682 |
Method of locating oil and gas horizons using a wellbore heat flow log
Oil and gas horizons in a wellbore are located by establishing from thermal logs thermal gradients for successive intervals free of drilling-induced thermal disturbances, identifying the mineral...
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4933887 |
Process and apparatus for the determination of thermo-physical properties
A process for the simultaneous, in-situ determination of thermophysical properties, primarily for determination of the thermal conductivity and thermal diffusivity, according to which in a certain...
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4915507 |
Liquid average temperature measuring apparatus and method
An apparatus for measuring the temperature of liquid in a tank is disclosed. This apparatus comprises a plurality of temperature sensors spaced apart so that each temperature sensor senses the...
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4912971 |
System for recovery of petroleum from petroleum impregnated media
A conjoint probe apparatus having an adjustable extendable probe end for embedding in the porous media for in situ sensing of changes in the dielectric constant of the carbonaceous constituents...
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4899480 |
Fishing probe apparatus
A fishing probe apparatus comprises an immersible probe attached to the end of an optic fiber fishing line which carries optic signals transmitted by the probe to a receiver and display unit on the...
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4893924 |
Method of remotely detecting submarines using a laser
Subsurface waves in an ocean are created by the turbulence in a submarine's wake. These waves can be remotely detected by a search submarine by monitoring subsurface water temperatures using a...
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4877330 |
Temperature sensing system
A temperature detecting system includes a temperature sensor which permits a current to flow whose magnitude is substantially proportional only to the temperature of the sensor. The sensor can be...
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4854728 |
Seawater probe
A seawater probe for measuring a physical parameter which includes a sensor element having an electrical characteristic dependent on the parameter and a detector circuit for deriving a measurement...
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