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7610955 |
Controlled gas-lift heat exchange compressor
A reciprocating hydraulic compressor capable of pumping liquids, gases or liquids mixed with gases. An apparatus and process for simultaneously compressing liquids and gases and exchanging the heat...
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7607478 |
Intervention tool with operational parameter sensors
An intervention tool for use inside a wellbore is provided that includes an intervention module capable of performing an intervention operation downhole, and a drive electronics module in...
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7575053 |
Low temperature monitoring system for subsurface barriers
A system for monitoring temperature of a subsurface low temperature zone is described. The system includes a plurality of freeze wells configured to form the low temperature zone, one or more...
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7571763 |
Method and apparatus for recovering and transporting methane gas
This invention relates to the field of the recovery of methane gas from a coal mine and conventional Natural Gas. More particularly, it involves an apparatus and method for economically recovering...
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7562712 |
Setting tool for hydraulically actuated devices
A tool is actuated in a well based on one or more issued commands being interpreted and implemented by the apparatus. The apparatus comprises a power generation module that multiplies pressure...
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7562700 |
Wireline supported tubular mill
A milling assembly can be delivered downhole on wireline. Once at the desired location, a processor extends centralizing and driving wheels to initially position the assembly. The assembly has a...
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7546876 |
Method and apparatus for jet-fluid abrasive cutting
A method and apparatus for down hole abrasive jet-fluid cutting, the apparatus includes a jet-fluid nozzle and a high pressure pump capable of delivering a high-pressure abrasive fluid mixture to...
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7539548 |
Smart-control PLC based touch screen driven remote control panel for BOP control unit
The present invention relates to a device for controlling the Blow out preventer (BOP) used in well drilling operations comprising: BOP control unit, master control panel connected to the BOP unit...
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7537056 |
System and method for gas shut off in a subterranean well
A gas inflow control system is used in a well. A downhole tool is combined with an automatic valve that is automatically actuatable to a flow position in the presence of a well liquid flowing into...
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7518526 |
Method and system for displaying scanning data for oil well tubing based on scanning speed
A method for analyzing a tubing section with multiple sensors at a consistent speed to improve the analysis and grading of tubing retrieved from an oil well. An analysis speed can be pre-set or...
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7484562 |
Method and apparatus for controlling a quantity of a specific gas in a group of gases produced from a given well bore
This invention relates to a method and apparatus for controlling a gas in a group of gases produced from a reservoir and specifically relates to controlling the amount of methane gas in a group of...
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7478672 |
Apparatus for controlling a pressure control assembly in a hazardous area
An apparatus operable is a hazardous area for controlling a choke assembly includes an air source, an air purge system in fluid communication with the air source, a remote operating panel receiving...
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7464753 |
Methods and apparatus for enhanced production of plunger lift wells
A microcontroller system for oil and gas wells using a plunger lift device, which responds to the variations in well production and operation. The system requires minimal operator input, and is...
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7445048 |
Plunger lift apparatus that includes one or more sensors
A plunger lift apparatus includes wellhead equipment containing a receiver, a conduit extending from the wellhead equipment into a wellbore, and a plunger to be run through the conduit to a...
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7434619 |
Optimization of reservoir, well and surface network systems
A method and associated apparatus continuously optimizes reservoir, well and surface network systems by using monitoring data and downhole control devices to continuously change the position of a...
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7389814 |
Heat exchange compressor
An apparatus and process for simultaneously compressing liquids and gases and exchanging the heat of compression with fluids which may be the same liquids and gasses compressed. An apparatus and...
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7373976 |
Well production optimizing system
A method and system for controlling a producing cycle in a well, during the production cycle, for optimizing production from the well including disrupting fluid in a wellbore with a pulse generator...
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7367411 |
Drilling system and method
A closed-loop circulating system for drilling wells has control of the flow rates in and out of the wellbore. Kicks and fluid losses are quickly controlled by adjusting the backpressure. Kick...
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7353875 |
Centrifugal blending system
The present invention relates generally to well servicing operations, and, more particularly, to devices, systems and methods useful in stimulation blending for fluids, mixtures, and/or slurries...
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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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7325607 |
Methods and systems for using high-yielding non-Newtonian fluids for severe lost circulation prevention
A system and method to model and analyze the mixing energies of high-yielding non-Newtonian fluids to prevent chemical lost circulation. Laboratory tests are performed under varying conditions from...
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7318476 |
Automatic chemical treatment system with integral flush fluid dispenser
A wellbore chemical treating system includes a pressure vessel for containing a treating chemical. The pressure vessel is closed to atmospheric pressure. A first controllably operated valve is...
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7311152 |
Gas operated pump for hydrocarbon wells
The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump...
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7278481 |
Method and system for producing an oil and gas mixture through a well
A method and system are provided for controlling the production of oil and gas in a well such that the well operates at the edge of gas coning. Thereto the flow rate and/or pressure of the produced...
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7275599 |
Positive pressure gas jacket for a natural gas pipeline
The present invention provides a method and apparatus whereby the intake pipeline running between the production chamber of a natural gas well and the suction inlet of an associated wellhead...
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7273098 |
Method for controlling oil and gas well production from multiple wells
A method for producing oil or gas from multiple wells, the wells including at least a first well and a second well, with each well using an artificial lift system that includes a plunger associated...
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7264050 |
Method and apparatus for controlling wellbore equipment
The present invention generally provides a method for remotely controlling and/or monitoring at least one parameter of well bore equipment. In one aspect, a method for remotely controlling and/or...
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7234525 |
Automated chemical stick loader for gas wells and method of loading
The automated chemical stick loader includes a ground-based stick storage and dispensing cabinet, an automated valve actuating system atop the wellhead, and a fixed stick transfer tube extending...
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7225878 |
Methods and apparatus for production of hydrocarbons
Apparatus and methods for producing fluids from a well and for controlling the production of fluids from multiple wells, particularly from a remote location. The well is provided with a winch/cable...
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RE39583 |
Multiple well tool control systems in a multi-valve well testing system having automatic control modes
A multi-valve well testing system adapted to be disposed downhole in a borehole, includes a plurality of valves and a plurality of well tool control systems connected, respectively, to the...
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7204315 |
Dual valve well control in underbalanced wells
A method of isolating a reservoir of production fluid in a formation comprises providing a pair of valves ( 14, 16 ) in a bore intersecting a production formation and in which the hydrostatic...
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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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7201230 |
Hydraulic control and actuation system for downhole tools
A hydraulic control and actuation system for downhole tools. In a described embodiment, a hydraulic control and actuation system includes an internal chamber serving as a low pressure region and a...
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7145471 |
Sequential hydraulic control system for use in a subterranean well
A sequential hydraulic well control system provides actuator selection and operation utilizing pressure applied to hydraulic lines in a sequence. In a disclosed embodiment, an actuation control...
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7128160 |
Method and apparatus to selectively reduce wellbore pressure during pumping operations
A downhole tool has at least one diverter valve. The at least one diverter valve is used to reduce pressure in a wellbore caused by frictional resistance to fluid flow during a gravel pack...
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7128142 |
Apparatus and methods for improved fluid displacement in subterranean formations
Apparatus and methods for determining suitable displacement fluids for use in subterranean cementing operations, and methods of cementing that use such displacement fluids, are provided. Examples...
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7121335 |
Plunger for gas wells
A plunger for a gas well including an elongate body having a first end and a second end. A sleeve overlying the body. The sleeve being shorter in length than the elongate body and is axially...
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7109457 |
In situ processing of hydrocarbon-bearing formations with automatic impedance matching radio frequency dielectric heating
A hydrocarbon bearing formation ( 304 ) which is heated using a automatic impedance matching ( 181 ) capacitive radio frequency dielectric heating ( 334 ) in situ process. Hydrocarbons or other...
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7100695 |
Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas production
Natural gas produced from a well by executing a multiple-phase gas recovery cycle which includes a phase during which a relatively lower evacuation pressure is applied within three chambers in the...
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7073594 |
Wireless downhole well interval inflow and injection control
An apparatus and methods of electrically controlling downhole well interval inflow and/or injection. The downhole controllable well section having a communications and control module, a sensor, an...
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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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7044237 |
Drilling system and method
A closed-loop circulating system for drilling wells has control of the flow rates in and out of the wellbore. Kicks and fluid losses are quickly controlled by adjusting the backpressure. Kick...
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7040401 |
Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus
An automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus. In one configuration, arrival of a plunger is sensed as the plunger ascends from the wellbore...
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7032659 |
Integrated control system for beam pump systems
The present invention generally provides apparatus and methods of operating a pumping system. The pump control apparatus includes a first sensor for measuring strain on a structure of the well...
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7006009 |
Servicing system for wells
A well servicing system includes a computer-based system that monitors pumping or other service operations at a well site and monitors deliveries and withdrawals of chemicals at a bulk storage...
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7004258 |
Method and apparatus for enhancing oil and gas flow in a well
An apparatus for increasing oil and gas recovery includes a delivery mechanism for automatically introducing a flow enhancing substance into a plunger of an oil or gas well and method.
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6994170 |
Expandable sand control screen assembly having fluid flow control capabilities and method for use of same
A sand control screen assembly ( 60 ) comprises a base pipe ( 62 ) having at least one opening ( 64 ) that allows fluid flow therethrough and a filter medium ( 66 ) positioned about the exterior of...
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6994162 |
Linear displacement measurement method and apparatus
Methods and apparatus for detecting an operation of a downhole tool using an optical sensing system are disclosed. In an embodiment, a flow control device has an inner tubular member moveable...
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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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6968905 |
Distributed control system
A distributed control system for local or remote control of equipment. The distributed control system provides a communication bridge through a local control panel between a non-real-time network,...
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