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7619646 |
System and method to illuminate and image the inside diameter of a stent
An optical system is effective to illuminate and scan an interior wall of an object having an interior bore, such as a stent. The system includes a light source, an object support having a light...
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7513603 |
Printhead assembly with ink inlet valve
A printhead assembly for an inkjet printer configured for use with at least one replaceable ink cartridge, the printhead assembly comprising: an ink inlet valve for sealed connection to an outlet...
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7391433 |
Monitoring system for hostile environment
A monitoring system for monitoring a parameter of a hostile environment is provided within the interior of a sealed chamber. The chamber has a wall and an access port extending through the wall to...
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7283155 |
Camera actuator system
A camera actuator system that includes a camera and actuator components. The actuator components are used to move and stop the camera. The actuator components are driven by the motor. The actuator...
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7233252 |
Method and system of sewer scanning for water conservation
Method of monitoring water conservation in an apartment complex by positioning infrared cameras with motion sensors in the clean outs of the waste water discharge lines leading to public sewer...
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7187784 |
Borescope for drilled shaft inspection
Visual inspection of an interior surface of a borehole. A housing adapted to be lowered in the borehole supports a portable camera for generating images of a portion of the interior surface of the...
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7164436 |
Liquid ejection apparatus
A liquid ejection apparatus includes liquid cartridges, each of which includes a liquid container and a pressure chamber, the liquid container having a flexible portion and storing liquid therein,...
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7092004 |
Method and arrangement for inspecting sewer pipes
The invention relates to an arrangement for inspecting sewer pipes or the like. The arrangement comprises a flush unit ( 8 ) that has ample room to move in a sewer pipe ( 10 ) and at the proximal...
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7062072 |
Methods of producing images of underground formations surrounding a borehole
A method of producing images of formations surrounding a borehole, comprises: obtaining values of a first parameter in the borehole as a function of depth and azimuth at a first resolution;...
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7002620 |
Single camera video inspection system for water wells and bore holes
A system ( 10 ) for video inspection of a passage such as a bore hole ( 2 ) is provided. The system ( 10 ) includes a carrying case ( 1 ) having a deep housing ( 12 ) and a removable cover ( 14 )...
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6985606 |
Method for identifying sedimentary bodies from images and its application to mineral exploration
A method is disclosed for identifying a sediment accumulation from an image of a part of the earth's surface. The method includes identifying a topographic discontinuity from the image. A river...
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6958767 |
Video pipe inspection system employing non-rotating cable storage drum
A resilient, flexible video push cable is coiled in a stack of coils inside an annular portion of a non-rotating cable storage drum. A video camera head is electro-mechanically connected to a...
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6704436 |
Method of obtaining a developed two-dimensional image of the wall of a borehole
The invention relates to a method of obtaining a developed two-dimensional image of the wall of a borehole. The method comprises the steps consisting in: measuring a primary physical magnitude in...
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6697102 |
Bore hole camera with improved forward and side view illumination
An elongate rugged cylindrical metal housing encloses rotatable forward looking and side looking video cameras for inspecting bore holes of water, oil and natural gas wells. A ring-shaped array of...
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6690350 |
Rotating element sheet material with dual vector field addressing
Rotating element sheet material comprising a plurality of rotatable elements disposed in a substrate and in contact with an enabling fluid; where one of the plurality of rotatable elements...
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6630947 |
Method for examining subsurface environments
A method for detecting chemical contamination in subsurface environments. The method is implemented using a video imaging system incorporated into a probe than be pushed into soil to collect in...
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6580449 |
Borehole inspection instrument having a low voltage, low power fiber optic light-head
An instrument for the inspection of well bores includes an improved light source contained within the same pressure barrel as the camera. A low power lamp is disposed within an elliptical-shaped...
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6516080 |
Numerical method of estimating physical properties of three-dimensional porous media
A section is prepared from a specimen of porous media, e.g., Rock, typically including filling the pore spaces with a dyed epoxy resin. A color micrograph of the section is digitized and converted...
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6374669 |
Water influx identification
An improved method to detect water influx using video monitoring of a cased wellbore is disclosed. A wireline well tool having a video camera and a light source is lowered into a selected borehole...
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6313869 |
J nozzle articulating camera system
An apparatus for inspecting feedwater piping in a steam generator having "J" nozzles. A camera and light source are coupled to a yoke mounted rotatable wheel adjacent the end of an elongated...
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6229563 |
Camera insertion into a furnace
A monitoring system for a furnace, such as one in which ceramic welding is practiced, where the temperature often exceeds 2000° F., allows substantially distortion-free, real time, monitoring. In...
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6229453 |
Method to transmit downhole video up standard wireline cable using digital data compression techniques
Disclosed is a downhole video system that is suitable for use with a standard wireline transmission line, without the need for coaxial or fiber optic cable. A downhole video camera transmits a...
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6226032 |
Crystal diameter control system
A system controls the diameter of both a neck region and a full diameter region of a monocrystalline rod being pulled from molten material held in a crucible. The system uses a video camera viewing...
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6115061 |
In situ microscope imaging system for examining subsurface environments
A microscope imaging system comprises a tube including a bore and a sidewall having an aperture; an optically transparent window positioned in the aperture; a light source for generating first...
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6009189 |
Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects
Spatial locations of individual points on an inaccessible object are determined by measuring two images acquired with one or more cameras which can be moved to a plurality of positions and...
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5936664 |
Apparatus for video inspection of the interior surface of tubular goods
The apparatus for video inspection of the interior surface of tubular goods, includes: an elongated mounting plate having a first and a second end; a first compartment at the first end of the...
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5903306 |
Constrained space camera assembly
A constrained space camera assembly which is intended to be lowered through a hole into a tank, a borehole or another cavity. The assembly includes a generally cylindrical chamber comprising a head...
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5790185 |
Video inspection or logging tool
A video logging tool is described which is particularly well adapted for production logging of oil or gas wells. The tool has both an end view optical system and a side view optical system for...
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5754220 |
Apparatus for inspecting the interior of pipes
Portable apparatus for inspecting the interior of a pipe comprises a battery operated television camera connected to one end of a coaxial cable which is adapted to be stored in a rotatable storage...
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5717455 |
System and method for three dimensional image acquisition and processing of a borehole wall
This invention provides a three dimensional image acquisition and processing method and system that enable three dimensional viewing of an underground borehole wall. Also provided are a cylindrical...
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5663758 |
Instrument probe having a back-lighted camera
An instrument probe contains an improved camera and light source arrangement which; and is positioned behind the camera for providing indirect illumination of the passage being inspected by the...
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5652617 |
Side scan down hole video tool having two camera
An apparatus and method of visually examining the sidewalls of a bore hole include a down hole video tool lowered into the bore hole by means of a cable and winch on the surface. The apparatus...
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5633675 |
Shadow probe
A device for measuring the size of targets viewed with a borescope having a housing with a longitudinal axis and a distal viewing end with an optically transparent window set therein, a source of...
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5604532 |
Apparatus and method for insitu inspection of pressurized vessels
An apparatus and method for inspecting the internal surfaces of a pressurized vessel, without disturbing the pressurized environment within the vessel. A specially configured apparatus is inserted...
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5535286 |
Error detection in seismic data
An apparatus for detecting errors in frames of seismic data that can be presented as images, such images being expected to exhibit an inherent symmetry about an axis, the apparatus comprising: a...
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5440081 |
System and method of protecting optical elements from down-hole fluids
A surfactant composition is used to repel down-hole fluids such as crude oil and water to prevent remote viewing cameras from being obscured by such fluids, for extended periods of time. An...
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5402165 |
Dual lighting system and method for a video logging
A lighting system for a logging instrument probe for inspecting a passageway having different diameters. The lighting system has a light assembly of a plurality of light sources arranged in tandem....
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5287740 |
Method for locating and examining cavities under paved roads
The present invention provides a cavity examination method of a paved road which can examine cavities which are present under the paved road such as the asphalt-paved road in a reduced length of...
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5275038 |
Downhole reeled tubing inspection system with fiberoptic cable
A system for the inspection of a well borehole and the formation around the borehole. The system includes a pair of concentric reeled tubings for injecting a pair of fluids into a wellbore through...
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5140319 |
Video logging system having remote power source
An instrument probe contains a video camera and light source which is positioned in front of the camera for illuminating the passage being inspected, such as a bore or a casing. The power source...
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5134471 |
System for monitoring the walls of a borehole using a video camera
A borehole camera monitoring system comprises a camera head assembly adapted to be lowered into a borehole by means of a cable and control unit located above ground for generating a control signal...
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5107705 |
Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore
Video systems and methods for determining the length of objects to be inserted in a wellbore, and for summing the lengths to obtain an accurate determination of the depth at which a bottomhole...
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4938060 |
Downhole inspection system
A system and methods for the inspection of a well borehole and the formation around said borehole. The system includes a coiled tubing unit for injecting flexible coiled tubing into a wellbore...
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4862253 |
Apparatus for converting a video processor
An apparatus for converting an image generation system of a video processor from one form into at least one other form. The image generation system being of the type having a light source emitting...
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4855820 |
Down hole video tool apparatus and method for visual well bore recording
An apparatus and method of visually examining the sidewalls of a bore hole include a down hole video tool lowered into the bore hole by means of a cable and winch on the surface. The apparatus...
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4774573 |
Method and apparatus for generating a video display from signals produced by borehole scanning
Apparatus for creating a video display from information generated by acoustically scanning a reflecting boundary circumferential of a borehole. A downhole tool generates a first signal each time a...
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4331975 |
Instrumentation for surveying underground cavities
Instrumentation that can be lowered into an underground cavity to measure the dimensions of the cavity and also, as an added option, the ability to take photographs of the area of interest. The...
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4238158 |
Visual investigation method
The in situ visual inspection of down-hole equipment in drilling and exploration wells is effected by forming an optically clear region at the desired level and by using suitable video apparatus...
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4113036 |
Laser drilling method and system of fossil fuel recovery
Underground bores are drilled through a formation from a plurality of vertical bore holes by use of laser beams to form a subsurface, three-dimensional bore passage pattern for in situ preparation...
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3984627 |
Method and apparatus for examining the interior of a bore hole and/or caisson or the like
An apparatus for examining the interior of a bore hole and/or caisson. The apparatus includes a gyroscope arrangement for determining true azimuth reference and slant angle and slant angle azimuth...
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