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8080498 |
Elastic hollow particles for annular pressure buildup mitigation
The concept involves placing within the annulus, hollow particles that possess material and geometric properties such that the hollow particles buckle at or near a defined pressure. Buckling of the...
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8078328 |
System, program product, and related methods for performing automated real-time reservoir pressure estimation enabling optimized injection and production strategies
Systems, program product, and methods for providing real-time reservoir management of one or more reservoirs across one or more fields are provided. A system can include multiple monitoring wells...
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7996153 |
Method and apparatus for formation testing
A method includes calculating a correction factor that uses a tool component volume change model to estimate a system volume change resulting from a change in the tool component. An apparatus...
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7980306 |
Methods, systems and apparatus for coiled tubing testing
A method and apparatus for testing a multi-zone reservoir while reservoir fluids are flowing from within the wellbore. The method and apparatus enables isolation and testing of individual zones...
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7890264 |
Waterflooding analysis in a subterranean formation
A method of analyzing a subterranean formation. The method includes specifying a volume of interest in the subterranean formation, specifying an injector wellsite that penetrates the volume of...
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7886820 |
Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates
A method and system for monitoring any incursion of particulate matter from a gas hydrate formation into a well casing used for the production of the gas hydrate and determining the degree of...
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7878248 |
System, method, and apparatus for post-fracture treatment
A method includes hydraulically fracturing a subterranean formation with a first treatment fluid and allowing the hydraulic fracture to close. The method includes preparing a second treatment fluid...
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7810563 |
Method of controlling water condensation in a near wellbore region of a formation
A method for controlling water condensation in the pores of a near wellbore region of a permeable formation through which wet natural gas flows into an inflow section of an oil and/or gas...
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7775299 |
Method and apparatus for programmable pressure drilling and programmable gradient drilling, and completion
A method for creating a programmable pressure zone adjacent a drill bit bottom hole assembly by sealing near a drilling assembly, adjusting the pressure to approximately or slightly below the pore...
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7753127 |
Bottomhole tool and a method for enhanced oil production and stabilization of wells with high gas-to-oil ratio
A bottomhole tool and a method for optimizing oil production rate from an oil well with high gas-to-oil ratio and stabilizing thereof in case of occurrence of a gas cone or gas skin conditions are...
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7729861 |
Method and apparatus for formation testing
A method for conducting a formation test includes providing a volume change model for a tool component, and providing a control program that uses the volume change model to estimate a system volume...
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7686078 |
Well jet device and the operating method thereof
Well jet device comprises a packer on a pipe string, with a central channel and a jet pump, comprising channels for supplying a working medium to a nozzle and supplying a medium pumped from the...
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7673680 |
Method for signalling a downhole device in a flowing well
A method and apparatus for controlling the operation of a flowing or producing well utilising: a downhole located pressure monitoring device which is operative to monitor a characteristic pressure...
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7637318 |
Pressure communication assembly external to casing with connectivity to pressure source
A pressure communication assembly external to casing with various forms of connectivity to a pressure source. A well system includes a casing string positioned in the well, with a bore extending...
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7624801 |
Control system and method for controlling a hybrid petroleum extractor/power generator
A control system and control method for controlling a modular apparatus for extracting petroleum and/or generating electricity based on subsurface data as well as market prices of electricity...
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7588081 |
Method of modifying permeability between injection and production wells
The invention provides a method of treating a subterranean formation penetrated by at least one injection well and at least one production well, the method comprising the steps of a) analyzing the...
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7548681 |
Prevention of optical fiber darkening
A technique enables the reduction or prevention of galvanic action by electrically insulating components of a system. Fiber optic systems can be protected with the technique by preventing the...
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7530392 |
Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates
A method and system for the production of a gas hydrate including the steps of drilling into a subterranean gas hydrate formation and at least partially depressurizing the gas hydrate formation to...
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7527094 |
Double barrier system for an in situ conversion process
A barrier system for a subsurface treatment area is described. The barrier system includes a first barrier formed around at least a portion of the subsurface treatment area. The first barrier is...
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7458420 |
Downhole measurement system and method
A system and method is provided to measure a pressure or other characteristic at a source (e.g. a hydraulic power supply) and in or near a downhole tool. A comparison of the measurements is then...
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7438128 |
Identifying zones of origin of annular gas pressure
A method for identifying annular gas sources in a wellbore is disclosed. In one embodiment, the method comprises providing a set of parameters, wherein the set of parameters corresponds to depths...
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7438135 |
Method of suspending, completing and working over a well
Methods are provided in which reliance is placed on a first and second barrier respectively positioned in a well 10 to provide well control during well suspension, completion and/or workover...
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7401655 |
Downhole gas compressor
A method for producing gas from a well with low pressure involves running a bottom hole pressure test to graph a P-Q curve. The operator computes a frictional pressure drop due to friction of the...
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7387160 |
Use of sensors with well test equipment
A method and system used for testing a subterranean well. A sensor (34), such as a distributed temperature sensor, comprising a sensing optical fiber (48) connected to an interrogation unit (50),...
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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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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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7343970 |
Real time optimization of well production without creating undue risk of formation instability
A system and method is provided for producing fluid from a subterranean formation. A sensor system is used to monitor bottom hole flowing pressure and formation pressure. The relationship of these...
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7325597 |
Safety valve apparatus for downhole pressure transmission systems
Safety valve apparatus for a pressure telemetry system utilizing a small diameter tubing conveying pressure from a downhole pressure chamber to the surface, the system pressurized with a monitoring...
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7311142 |
Apparatus and method for aquiring information while drilling
A downhole tool positionable in a wellbore for penetrating a subterranean formation includes a housing having at least one protuberance extending therefrom. The protuberance has at least one...
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7290601 |
Braided thermocouple cable bundle
A product consisting of a plurality of thermocouple cables braided or wound and covered with protective armour, thereby forming a braided bundle. The product is used in accordance with a method...
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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 (CO2) into a water well and the surrounding aquifer to remove deposited material which may cause...
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7261168 |
Methods and apparatus for using formation property data
This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Once obtained, the formation property data,...
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7201226 |
Downhole measurement system and method
A system and method measures a pressure or other measurement at a source (e.g. a hydraulic power supply) and in or near a downhole tool and compares the measurements to verify that, for example,...
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7181380 |
System and process for optimal selection of hydrocarbon well completion type and design
A process to determine optimal completion type and design prior to drilling of a hydrocarbon producing well utilizing information from hydrocarbon recovery modeling such as reservoir,...
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7172020 |
Oil production optimization and enhanced recovery method and apparatus for oil fields with high gas-to-oil ratio
A method for optimizing oil production rate from an oil well with high gas-to-oil ratio is disclosed to include modeling an Inflow Performance Relationship curve and calculating an optimal level of...
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7168487 |
Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore
Methods, apparatus, and systems for obtaining information regarding a formation, a casing, or fluid within the casing are provided which utilize an interrogator and one or more sensing devices...
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7143826 |
Method for determining sand free production rate and simultaneously completing a borehole
The current invention provides methods for determining the sand production rate from unconsolidated and poorly consolidated subterranean formations under varying drawdown pressures. The current...
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7114562 |
Apparatus and method for acquiring information while drilling
An apparatus and method useful for acquiring information from a subsurface formation penetrated by a wellbore contemplate the use of a tubular body adapted for connection within a drill string...
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7073580 |
Inflation tool with real-time temperature and pressure probes
Embodiments of the present invention generally provide a method, apparatus, and system for monitoring conditions in wellbore in real time prior to setting an inflatable element in the wellbore. The...
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7062420 |
Production optimization methodology for multilayer commingled reservoirs using commingled reservoir production performance data and production logging information
An overall petroleum reservoir production optimization methodology permits the identification and remediation of unstimulated, under-stimulated, or simply poorly performing reservoir completed...
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7059405 |
Methods of treating subterranean formations using low-molecular-weight fluids
The present invention relates to systems and methods useful in subterranean treatment operations. Examples of methods of the present invention include methods for fracturing a portion of a...
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7031841 |
Method for determining pressure of earth formations
A method for determining formation pressure at a depth region of formations surrounding a borehole, including: keeping track of the time since cessation of drilling at the depth region; deriving...
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6988547 |
Method and system of fluid analysis and control in hydrocarbon well
A control system for a hydrocarbon well is also disclosed. A control valve system is used to control the flow of fluid being produced by the well. A real time sensor is provided downhole and is...
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6959762 |
Method and apparatus for formation damage removal
A method for evaluating the permeability and formation damage in the porous rock around a well bore. This method relates to the use of a single string coiled tubing and a down hole assembly which...
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6926080 |
Operation method of an oil well pumping unit for well development and device for performing said operation method
The invention relates to pumping units for extraction oil from oil wells comprising, all of them being installed on the piping string, a packer, a back pressure valve, a jet pump having the active...
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6923258 |
In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be...
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6896074 |
System and method for installation and use of devices in microboreholes
The present invention provides methods and systems for making measurements associated with a rock formation including a main borehole, a microborehole extending from the main borehole into the rock...
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6863128 |
Method of predicting friction pressure drop of proppant-laden slurries using surface pressure data
The present invention relates to a method of determining the proppant friction generated in a fracture of a subterranean formation during a hydraulic fracturing treatment involving injection stages...
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6860325 |
Downhole flow meter
This invention comprises the use of a variable orifice valve as a flow controller and flow meter. Pressure measurements are taken upstream and downstream of the variable orifice valve by way of a...
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6814142 |
Well control using pressure while drilling measurements
Methods and apparatus for monitoring and controlling the pressure in a wellbore characterized by a drilling system utilizing real-time bottom hole pressure measurements and a control system adapted...
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