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7389787 |
Closed loop additive injection and monitoring system for oilfield operations
A system is provided that monitors at the wellsite injection of additives into formation fluids recovered through wellbores and controls the supply of such additives from remote locations. The...
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7380597 |
Deployment of underground sensors
A method of installing a sensor located in a chamber on the out-side of a casing, comprising the steps of positioning the casing in a well, cementing the casing in position, positioning a drilling...
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7377319 |
Downhole device to measure and record setting motion of packers and method of sealing a wellbore
A downhole tool assembly including a sealing device and a sensing device for sensing parameters associated with the operation of the sealing device.
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7377317 |
Apparatus and methods for logging a well borehole with controllable rotating instrumentation
Disclosed herein is a borehole conveyance system that is conveyed within the borehole by a tubular such as a drill string. The conveyance system integrates wireline type downhole instrumentation...
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7373975 |
Downhole recorder system
A downhole recorder system for use with a downhole assembly to be lowered into a borehole comprises at least one recorder uniquely associated to a determined sub-assembly of the downhole assembly....
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7367748 |
Method of installing tracer wire with pipeline utilizing horizontal directional drilling
A method of installing a non metallic pipeline segment along with a tracer wire segment using a horizontal directional drilling process includes positioning a horizontal directional drilling...
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7367393 |
Pressure monitoring of control lines for tool position feedback
A flow control device for use in a wellbore to allow flow of formation fluid into the wellbore comprises a valve member adapted to move when disposed in the wellbore. A fluid line supplies a...
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7363972 |
Method and apparatus for well testing
A method for testing petroleum or water wells. A tool is secured to a tubing and run into the well and to the reservoir zone to be explored. An upper and a lower seal isolate the reservoir zone. A...
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7363969 |
Casing vent security device
A casing vent security device includes an in-line section in communication with a casing vent, the in-line section having an ambient air passageway for selectively allowing ambient air to pass...
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7357179 |
Methods of using coiled tubing inspection data
Methods for generating geometric databases of coiled tubing inspection data and using the data in job design, real time monitoring and automated feedback control of operations are described. One...
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7353869 |
System and method for utilizing a skin sensor in a downhole application
A system and method is provided for sensing a variety of parameters in well-related environments. A skin sensor is deployed in downhole applications to obtain data used in analyzing well...
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7350590 |
Instrumentation for a downhole deployment valve
The present generally relates to apparatus and methods for instrumentation associated with a downhole deployment valve or a separate instrumentation sub. In one aspect, a DDV in a casing string is...
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7347275 |
Apparatus and method to detect actuation of a flow control device
An apparatus for use in a wellbore comprises a flow control device having an open position, a closed position, and at least one intermediate position. The apparatus further comprises a chamber and...
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7347003 |
Device to measure axial displacement in a borehole
A device to measure minute displacement in rocks, including anchor deployment means, anchor registration means, and frame release means. Further including anchor units comprising a fixed anchor...
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7342217 |
System for the measurement and data acquisition for optical fiber sensors
A system for the measurement and surface data acquisition for optical fiber sensors containing Bragg gratings for the sensing of physical parameters originated from a set of oil wells, the system...
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7331393 |
Subsea lubricator device and methods of circulating fluids in a subsea lubricator
Subsea lubricator device, comprising a blowout preventer assembly, a tool housing assembly and a stuffing box, intended to be located at a subsea Christmas tree, and methods of circulating fluids...
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7328748 |
Thermal actuated plunger
A downhole plunger for a gas/oil well comprises a valve to regulate fluid flow past the plunger and a thermal actuator to control the valve. The thermal actuator of the disclosed device enables the...
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7325605 |
Flexible piezoelectric for downhole sensing, actuation and health monitoring
Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the...
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7318471 |
System and method for monitoring and removing blockage in a downhole oil and gas recovery operation
A system and method for determining blockage in a wellbore containing fluid and/or in a formation adjacent the wellbore, according to which energy is generated in the fluid and variables associated...
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7303010 |
Apparatus and method for an autonomous robotic system for performing activities in a well
An autonomous robot performs maintenance and repair activities in oil and gas wells, and in pipelines. The robot uses the well and pipeline fluids to provide most of the energy required for the its...
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7303007 |
Method and apparatus for transmitting sensor response data and power through a mud motor
Apparatus and methods for establishing electrical communication between an instrument subsection disposed below a mud motor and an electronics sonde disposed above the mud motor in a drill string...
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7298285 |
Rotary downlink system
A method for downlink communication with a downhole tool having a mud-powered downhole motor that includes receiving a sensor signal related to a rotational speed of a rotor in the mud-powered...
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7296623 |
Methods and apparatus for applying torque and rotation to connections
A method and apparatus for connecting threaded members while ensuring that a proper connection is made. In one embodiment, the applied torque and/or rotation are measured at regular intervals...
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7287585 |
Methods of quantifying gas content of a gas-sorbed formation solid
The evaluation and assessment of geologic formations comprising undersaturated methane reservoirs. In some embodiments, the present invention provides for inductively quantifying critical...
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7284604 |
Methods for measurement of a dimensional characteristic and methods of predictive modeling related thereto
A method of optically determining a change in magnitude of at least one dimensional characteristic of a sample in response to a selected chamber environment. A magnitude of at least one dimension...
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7270179 |
Method for stimulation of liquid flow in a well
An improved method of controlled energy delivery utilizing solid, liquid, and gaseous carbon dioxide (CO 2 ) into a water well and the surrounding aquifer to remove deposited material which may...
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7263029 |
System and method for acquiring seismic and micro-seismic data in deviated wellbores
Methods and apparatus are adapted for acquiring seismic data from an array of sensors deployed along a section of a deviated, including horizontal, wellbore for monitoring seismic and microseismic...
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7261162 |
Subsea communications system
A subsea communications module includes an interface to communicate with a surface facility over a communications link using a packet-based protocol. The communications link can be implemented with...
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7255166 |
Imbibition well stimulation via neural network design
A method for stimulation of hydrocarbon production via imbibition by utilization of surfactants. The method includes use of fuzzy logic and neural network architecture constructs to determine...
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7234520 |
Well jet device for testing and studying formations and the operating method thereof
The invention relates to jet devices and the operating methods thereof and can be used in order to produce and intensify the oil inflow from a well. The inventive device comprises a jet pump...
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7234517 |
System and method for sensing load on a downhole tool
A system and method for determining load on a downhole tool according to which one or more sensors are embedded in one or more components of the tool or in a material on one or more of the...
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7231972 |
Integral flush gauge cable apparatus and method
The present invention includes a communications system to measure and transmit date from a zone of interest below a downhole assembly to a remote location. The communications system preferably...
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7231971 |
Downhole safety valve assembly having sensing capabilities
An apparatus that is usable with a subterranean well includes a safety valve assembly and a pressure/temperature sensor. The safety valve assembly is controllable to selectively isolate a formation...
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7228901 |
Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place...
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7228900 |
System and method for determining downhole conditions
The present invention provides a system for determining downhole conditions including a time domain reflectometer ( 172 ) that is operable to generate a transmission signal and receive a reflected...
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7228899 |
Warning device and method to prevent clutch burning
This invention is generally directed towards a system designed to assist the rig operator by alerting him/her that the air pressure is too low to be using the drum clutch, to provide a log for...
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7219736 |
Externally testable redundant connections for subsea wells
An externally testable redundant connection for a subsea well includes a tube, a connector assembly, and collar. The connector assembly includes a jam nut over the tube; a ferrule over the tube...
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7219730 |
Smart cementing systems
The present invention provides methods and apparatus for determining the location of an apparatus in a wellbore. The method includes lowering the apparatus with a conveying member and measuring a...
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7219729 |
Permanent downhole deployment of optical sensors
The present invention involves methods and apparatus for permanent downhole deployment of optical sensors. Specifically, optical sensors may be permanently deployed within a wellbore using a casing...
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7216702 |
Methods of evaluating undersaturated coalbed methane reservoirs
The evaluation and assessment of geologic formations comprising undersaturated coalbed methane reservoirs. In some embodiments, the present invention provides for inductively quantifying critical...
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7201231 |
Apparatuses and methods for deploying logging tools and signalling in boreholes
The apparatus includes a pump for circulating pressurized fluid in a wellbore. A control device controls the pump which a conduit interconnects to the wellbore. A downhole transducer detects...
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7201221 |
Wellbores utilizing fiber optic-based sensors and operating devices
This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about...
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7200539 |
Method of predicting the on-set of formation solid production in high-rate perforated and open hole gas wells
A method for predicting the on-set of sand production or critical drawdown pressure (CDP) in high flow rate gas wells. The method describes the perforation and open-hole cavity stability...
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7188671 |
System, method, and apparatus for survey tool having roller knuckle joints for use in highly deviated horizontal wells
A highly flexible, wireline survey tool has roller knuckle joints that enable the survey tool string to penetrate and survey horizontal wells having inclinations of about 80° and more from...
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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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7182134 |
Intelligent well system and method
An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect,...
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7182133 |
Elevator sensor
At least one sensor is mounted for monitoring the vertical position of an elevator relative to selected features on a tubular string. A variety of sensor types is provided. Optional mounting...
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7178608 |
While drilling system and method
A while drilling system and method for determining downhole parameters is provided. The system includes a retrievable while drilling tool positionable in a downhole drilling tool, a sensor chassis...
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7167101 |
Method and apparatus for telemetry
A method and related apparatus for telemetry between downhole devices and surface devices. In particular, the methods and related apparatus may send a first datum of a first parameter in an...
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7165612 |
Impact sensing system and methods
An impact sensing system for detecting downhole impacts within a toolstring, such as a jarring tool string. The system includes an impact sensing sub that is integrated into the tool string and...
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