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8162048 |
Method of delivering frac fluid and additives
A method for the controlled delivery of a fracturing fluid to a well bore comprises formulating an aqueous base fluid such that it meets or exhibits desired physical and chemical characteristics...
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8141640 |
System, method and apparatus for enhancing wellbore treatment fluid flexibility
A method includes performing a chemical process to create a chemical product and an amount of heat, and transferring the heat to a first fluid. The method further includes hydrating a polymer in...
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8066058 |
System, method, and apparatus for breaking fracturing fluids
A method for breaking a fracturing fluid includes identifying application parameter(s) including a subterranean formation temperature, and determining an acid precursor concentration in response to...
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8051909 |
Method and apparatus for positioning the proximal end of a tubular string above a spider
Method and apparatus for handling a supported tubular string with a string elevator and a spider on a rig to prevent damaging contact between the string elevator and spider while facilitating...
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8028753 |
System, method and apparatus for controlling the flow rate of an electrical submersible pump based on fluid density
An electrical submersible pump that regulates pump flow rate based on sensor measurements of the fluid is disclosed. The sensor measures a property of the fluid being processed. The sensor may be...
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8006766 |
Method and apparatus for controlling the speed of a pump in a well
A method and apparatus for controlling a speed of a pump operating in a well. A first step involves monitoring a production flow rate of fluids produced from the well. A second step involves...
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7987074 |
Efficient computation method for electromagnetic modeling
Method for efficient processing of controlled source electromagnetic data, whereby Maxwell's equations are solved [107] by numerical techniques [109] such as finite difference or finite element in...
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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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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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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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7921909 |
Method for breaking fracture fluids
A method includes identifying application parameter(s) including a subterranean formation temperature, determining a breaker particle size in response to the application parameter(s), providing a...
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7909088 |
Material sensitive downhole flow control device
A screen section has a valve assembly to control flow through it. The valve is open and has a closure spring held compressed by a shape memory material that responds to the presence of a specific...
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7891423 |
System and method for optimizing gravel deposition in subterranean wells
A system for optimizing gravel deposition in a completion interval of a well. The system includes a pumping system that is operable to deliver a gravel pack slurry to the completion interval, an...
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7880418 |
Electromechanical drive system, in particular for progressive cavity pumps for oil wells
The following invention is an electromechanical system (1) that is to be connected to an electricity supply (7), comprising: an electric machine (2) that can operate as an independent generator...
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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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7857048 |
Method for breaking fracturing fluids
A method for breaking a fracturing fluid includes identifying application parameter(s) including a subterranean formation temperature, and determining an acid precursor concentration in response to...
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7845420 |
Work string controller
Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator to grip a well bore work string, to raise the work string, and to lower the work string....
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7841414 |
Work string controller
Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator to grip a well bore work string, to raise the work string, and to lower the work string....
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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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7828067 |
Inflow control device
The present invention generally relates to the control of fluid flow in a wellbore. In one aspect, a flow control device for use in a wellbore is provided. The flow control device includes an inner...
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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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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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7740708 |
Thermal fluid stimulation unit
A reservoir cleaning, treating and/or stimulation system allows the operator to control the speed and pressure of delivery of the treating fluid into the reservoir and remove or dissolve sediment...
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7721806 |
Automatic chemical treatment system with integral flush fluid dispenser and method for using the same
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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7686499 |
Control system design for a mixing system with multiple inputs
A method for mixing at least two materials is provided. The method comprises introducing the at least two materials into a physical system and combining the at least two materials to form a mixture...
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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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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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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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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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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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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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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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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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