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8176979 |
Injection well surveillance system
A method and apparatus for surveying a well in real-time and responding to operational conditions in response to the surveillance. According to one or more aspects of the present disclosure a...
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8150637 |
Gas lift well surveillance
Apparatuses, methods, and computer program products for evaluating the performance of a gas lift well are disclosed. A gas lift well surveillance kit is disclosed. A method for evaluating the...
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8141646 |
Device and method for gas lock detection in an electrical submersible pump assembly
A device and method can detect, and also break, an occurrence of gas lock in an electrical submersible pump assembly in a well bore based upon surface or downhole data without the need for operator...
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8087461 |
Logging while producing apparatus and method
Production logging apparatus and method are provided. The apparatus comprises a coupling module, an electronic module, a micro-winch, a docking station, and a micro-production logging tool. The...
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8042612 |
Method and device for maintaining sub-cooled fluid to ESP system
A method of operating an electrical submersible pumping system that includes realtime monitoring of the wellbore fluid and adjusting pump speed so the fluid entering the pump remains subcooled. The...
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8020616 |
Determining a status in a wellbore based on acoustic events detected by an optical fiber mechanism
A system for use in a well includes downhole equipment for positioning in the well, and an optical fiber for deployment in the well, the optical fiber to extend to a location of interest in the...
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7980309 |
Method for selective activation of downhole devices in a tool string
A system (100) for selective activation of explosive devices (126, 128, 130, 132) includes a surface controller (102), a downhole controller (106) operable to communicate bidirectionally with the...
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7963328 |
Process and apparatus for release and recovery of methane from methane hydrates
A process and system for release and recovery of methane from subterranean methane hydrate deposits in which heated CO2 is used to displace methane from the methane hydrate deposits and a portion...
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7963326 |
Method and apparatus for utilizing pressure signature in conjunction with fall time as indicator in oil and gas wells
Disclosed is a method of utilizing a pressure signature in conjunction with a plunger's fall time as an indicator of plunger location. The disclosed method can also indicate well and/or plunger...
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7954547 |
Gas flow system
A gas flow system for removing a liquid from a well bore and allowing for gas production is provided. The gas flow system comprises a casing in the well bore for allowing flow of the liquid and...
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7950452 |
Anti-fouling system for offshore drilling structures
An anti-fouling system for offshore drilling structures which injects metallic ions into seawater pumping systems. An ion generator may be positioned at various positions including the strainer...
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7950464 |
Multi-well controller
An improved multi-well control system (MWCS) has a centrally based multi-well controller (MWC) in communication with one or more slave controllers and one or more electronic flow measurement...
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7931090 |
System and method for controlling subsea wells
A technique is provided for control of subsea well systems. The technique utilizes a subsea controller coupled to a plurality of subsea well system components to allow localized control of the...
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7918275 |
Water sensitive adaptive inflow control using couette flow to actuate a valve
An apparatus for controlling fluid flow into a wellbore tubular includes a flow control member that selectively aligns a port with an opening in communication with a flow bore of the well bore...
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7894991 |
Statistical determination of historical oilfield data
A method, system, and computer program product for performing oilfield surveillance operations. The oilfield has a subterranean formation with geological structures and reservoirs therein. The...
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7870900 |
System and method for controlling a progressing cavity well pump
A system and method for controlling the speed of a progressing cavity liquid well pump to increase liquid production from a well while avoiding operation of the well in a pumped-off state. A...
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7861777 |
Viscometer for downhole pumping
A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and a viscometer. Pumping system operating parameters are...
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7836949 |
Method and apparatus for controlling the manufacture of well treatment fluid
A method and apparatus for controlling the production of well treatment fluid is disclosed. The apparatus includes: a sand system, a water system, a pumping system, a blender tub, and a virtual...
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7836950 |
Methods and apparatus to convey electrical pumping systems into wellbores to complete oil and gas wells
Methods and apparatus are disclosed for conveying an electrically energized hydraulic pump into a wellbore surrounded by steel casing and thereafter using that hydraulic pump to pump oil, water and...
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7828059 |
Dual zone flow choke for downhole motors
A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and an actively controlled flow restriction device for...
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7828058 |
Monitoring and automatic control of operating parameters for a downhole oil/water separation system
A method for operating a downhole oil water separator and electric submersible pump includes measuring fluid pressure proximate one of the pump intake, separator intake and a bottom of a wellbore....
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7806188 |
Methods and apparatus for optimizing well production
Embodiments of the present invention generally relates to methods and apparatus for operating an artificial lift well. In one embodiment, the well is operated between an on cycle and an off cycle....
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7798215 |
Device, method and program product to automatically detect and break gas locks in an ESP
A device, method, and program product detect and break an occurrence of gas lock in an electrical submersible pump assembly in a well bore based upon surface or downhole data without the need for...
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7789142 |
Downhole gas flow powered deliquefaction pump
Methods and systems for removing water from gas wells are described herein. The water is removed by positioning a pump in a liquid layer below the perforations through which gas enters a gas well...
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7784538 |
Using an acoustic ping and sonic velocity to control an artificial lift device
A transmitter generates an acoustic ping in a fluid in a borehole, and a receiver monitors waves resulting from the acoustic ping. Responsive to the monitored waves, an attribute of the fluid is...
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7762339 |
Apparatus and method for controlling the speed of a pump in a well
A controller for controlling the pump unit of an oil well includes a sensor having a first and second probe for placement in the flow of oil from the well bore. Each of the probes contains a...
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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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7748450 |
Gas wellhead extraction system and method
A method and apparatus for automating control, remotely monitoring, and controlling a gas extraction assembly, coupled to a gas pipeline section. The gas extraction assembly may be used to increase...
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7699561 |
Method and system for storing liquid in a geological formation
A method for improving the recovery efficiency of storing fresh water into an aquifer, the storing includes injecting the fresh water and extracting the injected fresh water by a single water...
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7690425 |
Data logger plunger and method for its use
A downhole plunger for oil and gas wells comprises an electronic ambient environmental sensor via a cargo bay. Although the sensor is preferably a downhole time, temperature, pressure and flow...
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7681641 |
Plunger lift controller and method
A method of controlling a plunger lift system for a well. The method including the steps of: defining a threshold value for a trigger event, the trigger event initiating operation of the control...
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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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7673690 |
Method and apparatus for dynamic application management in sub-sea well installations
A method for updating a software of a sub-sea controller (31) located under the sea level. The sub-sea controller manages a plurality of tools in a sub-sea well. An application module (35) is...
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7628208 |
System and method for secure offshore storage of crude oil natural gas or refined petroleum products
A system for the storage of crude oil, natural gas and/or refined petroleum products at an offshore location includes a group of tanker vessels or concrete structures on the ocean floor attached to...
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7627430 |
Method and system for managing information
A method for managing information associated with an oilfield operation of an oilfield, the oilfield having a subterranean formation with geological structures and reservoirs therein. The method...
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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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7621324 |
Automated flowback and information system
An automated flowback system allows control and operation of the system from a remote location away from the dangers of high-pressure gases or abrasives traveling at high velocities that cause...
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7597143 |
Method and apparatus for logging downhole data
A downhole plunger for oil and gas wells comprises an electronic ambient environmental sensor via a cargo bay. Although the sensor is preferably a downhole time, temperature, pressure and flow...
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7594541 |
Pump control for formation testing
A downhole formation fluid pumping and a sampling apparatus are disclosed that may form part of a formation evaluation while drilling tool or part of a tool pipe string. The operation of the pump...
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7591308 |
Multi gas well production arrangement
A method of optimizing fluid (gas/oil) throughput of a battery complex to monitor and control the flow of an individual well in a field of wells at any particular instance in time and to allocate...
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7554458 |
Downhole communication
Methods of and apparatus for a downhole communication in a well. The well has a metallic structure which includes an insulated metallic, fluid carrying, control line. The method comprises the steps...
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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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7533730 |
Variable and slow speed pumping unit
A pumping unit is provided with a hydraulic drive unit. The drive includes a hydraulic motor attached to a driven sheave that, through reduction gears, drives a drive shaft and crank arm that...
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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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7474969 |
Method and system for production metering of oil wells
The present invention relates to a method and system for determining multiphase fluid streams flowing from individual wells of a cluster of crude oil, gas and/or other fluid production wells,...
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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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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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