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7231978 |
Chemical injection well completion apparatus and method
An apparatus to be disposed within a wellbore includes a production tubing in communication with a pump string and a bypass string at its distal end, wherein the pump string is configured to pump a...
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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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7210526 |
Solid state pump
The present invention is a material and method that enables creation of an in situ pumping action within a matrix or otherwise porous media. This pumping action may be used to move materials,...
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7207385 |
Method and system for producing gas and liquid in a subterranean well
A method for producing a gas and a liquid in a subterranean well includes the step directing a gas flow in a well annulus through one or more baffle plates to separate at least some of the liquid...
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7204314 |
Fluid removal from gas wells
A method of removing produced fluid from a well producing both gas and liquid comprises utilising produced gas flowing from a formation to power a produced liquid pump. The produced liquid from the...
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7201229 |
Tree mounted well flow interface device
A subsea production tree has an external annular profile formed on an upper portion of the tree. A vertical passage extending from a lower end of the tree to an upper end of the tree for...
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7195072 |
Installation of downhole electrical power cable and safety valve assembly
The present invention generally provides apparatus and methods for removing liquid from a well. In one embodiment, a cable and subsurface safety valve assembly is used with a downhole pumping...
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7191838 |
Method and apparatus for pumping wells with a sealing fluid displacement device
Liquid is lifted from a well by a fluid displacement device which moves within a production tubing and maintains a seal against the production tubing during movement. The fluid displacement device...
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7185706 |
Arrangement for and method of restricting the inflow of formation water to a well
An arrangement for restricting the inflow of formation water from an underground formation to a hydrocarbon producing well, where, between the underground formation and a production tubing ( 38 )...
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7165621 |
Method for exploitation of gas hydrates
A method and apparatus for producing gas from a hydrate formation includes the use of at least one wellbore which penetrates the hydrate formation and further extends into an aquifer below the...
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7134499 |
Rotary and reciprocal well pump system
A well pumping system has a downhole rotary pump that drives a downhole reciprocating pump. The reciprocating pump is an intensifier, having a primary piston and a secondary piston of lesser...
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7134501 |
Expandable sand screen and methods for use
A particulate screen suitable for use in a wellbore. The particulate screen is expandable and may be at least partially formed of a bistable tubular. Also, a filter media may be combined with the...
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7134502 |
Method and apparatus for preventing spillage or loss of drill fluids
A well bore fluid recovery system and method for recovering a column of well bore fluid within a stand of casing before cutting the casing. The recovery system relates to a system for preventing...
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7134500 |
Formation fluid characterization using flowline viscosity and density data an oil-based mud environment
A method for characterizing formation fluid using flowline viscosity and density data in an oil-based mud environment includes: making an initial estimate of the density and viscosity of the...
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7117946 |
In-situ evaporation
The invention relates to methods for the exploitation of desirable geo-productive resources (for example, superheated steam, crude oil, fissuring) from boreholes with an at least partly cemented...
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7096959 |
System and method for providing a renewable source of spring water for human consumption
A system and method for providing a renewable source of spring water includes a spring well for withdrawing spring water from an aquifer, and a condenser for condensing water from the atmosphere....
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7086463 |
Methods of downhole testing subterranean formations and associated apparatus therefor
Methods and apparatus are provided which permit well testing operations to be performed downhole in a subterranean well. In various described methods, fluids flowed from a formation during a test...
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7080690 |
Method and apparatus using traction seal fluid displacement device for pumping wells
Liquid is lifted from a well by a traction seal fluid displacement device which is moveably positioned within the production tubing, and which maintains a seal during movement. The traction seal...
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7077207 |
Double-cone device and pump
The performance of a double-cone device ( 1 ) is increased, not only by moving the gap or inlet openings ( 22 ) a short distance into the exit cone ( 47 ), but also by making the conicity θ 3 (...
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7073579 |
Methods of downhole testing subterranean formations and associated apparatus therefor
Methods and apparatus are provided which permit well testing operations to be performed downhole in a subterranean well. In various described methods, fluids flowed from a formation during a test...
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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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7063162 |
Method for controlling fluid flow into an oil and/or gas production well
The inflow of fluid from an oil and/or gas bearing formation into an oil and/or gas production well is cyclically moved up and down along the length of an inflow region of the well by cyclically...
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7063144 |
Acoustic well recovery method and device
An electro acoustic device and related method for increasing the production capacity of wells that contains oil, gas and/or water is disclosed. The electro acoustic device is submerged in the well...
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7063160 |
Non-orienting tubing hanger system with a flow cage
In a subsea wellhead assembly, a tubing hanger in communication with the subsea well has a hanger port extending through its side. A diverter surrounds the tubing hanger and diverts well fluid...
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7059403 |
Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery
An electro acoustic device and related method increase production capacity of wells that contain oil, gas and/or water. The electro acoustic device produces vibrations stimulating occurrences of...
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7059413 |
Method for intensification of high-viscosity oil production and apparatus for its implementation
In the oil-producing industry, an apparatus can be used to increase the yield of oil wells developed by conventional methods during production of high viscosity oils. Use of the apparatus results...
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7055600 |
In situ thermal recovery from a relatively permeable formation with controlled production rate
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be...
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7055606 |
System and method for treating wells
A system and method is provided for utilizing both a wellbore completion and a formation treatment system. The formation treatment system comprises a bypass that directs well treatment fluid around...
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7051815 |
Well pump capsule
In the well assembly of the invention, a downhole pump assembly has an intake and a discharge outlet. A capsule enclosing the pump assembly selectively isolates the pump assembly from well fluid by...
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7051807 |
In situ thermal recovery from a relatively permeable formation with quality control
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be...
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7048061 |
Screen assembly with flow through connectors
A connector for providing a pathway between a first screened tubing and a second screened tubing. In one embodiment, the connector includes an annular pipe coupled to the first screened tubing at a...
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7032670 |
Method to form a barrier in reservoir with a magnetorheological fluid
A method of winning oil from a source via a bored well, wherein a magnetorheological fluid is introduced into the source via the bored well to reduce the water content of the oil won. Oil drilling...
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7007751 |
Apparatus for extracting oil or other fluids from a well
The present invention is directed towards a fluid extractor system that has been design to obtain fluid, such as crude oil from wells at a fraction of the cost by using a novel canister assembly...
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6991036 |
Thermal processing of a relatively permeable formation
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a selected section of the formation. The...
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6988548 |
Method and system for removing fluid from a subterranean zone using an enlarged cavity
A method for removing fluid from a subterranean zone includes drilling a well bore from a surface to the subterranean zone and forming an enlarged cavity in the well bore such that the enlarged...
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6983802 |
Methods and apparatus for enhancing production from a hydrocarbons-producing well
Methods and apparatus for producing hydrocarbons from a well, and especially for producing gas from low pressure gas wells containing water, are disclosed. An electrical submersible pump is...
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6964299 |
Submersible pumping system
A submersible pumping system is provided for the movement of fluids. The system utilizes a first electric submersible pumping system that cooperates with a second electric submersible pumping...
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6932160 |
Riser pipe gas separator for well pump
A well pump has a riser gas separator for removing large slugs of gas prior to reentry into the pump. The riser extends upward from a barrier that is located in the well. The riser has an inlet...
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6904973 |
Downhole pump
A downhole pump includes a pump barrel defining a pumping chamber having a first end and a second end, a first one-way valve positioned at the first end of the pumping chamber, a second one-way...
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6892815 |
Coal bed methane borehole pipe liner perforation system
A coalbed methane borehole pipe liner perforation system comprises a plastic pipe punch that slips down inside a coalbed methane production borehole lined with a non-perforated plastic pipe. A...
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6883612 |
Rod pump
A rod pump for use in a wellbore is provided. In one embodiment, the rod pump comprises a traveling valve cage attachable to a rod string, the traveling valve cage having a first latch component...
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6868911 |
Methods and apparatus for subterranean fluid separation and removal
A method and an apparatus for producing a liquid phase hydrocarbon fluid from a producing formation are provided. One method includes moving an absorbing material through a well disposed in the...
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6845821 |
Apparatus and method for downhole fluid separation
This disclosure concerns a static oil/water separation chamber that is installed in a well extending to an underaround production formation containing hydrocarbon oil and water. The separation...
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6843316 |
Method for improving well quality
A method of improving the quality of liquid coming from a well that has a pump and pipe assembly. The method includes identifying a region of the well that is low in contamination and a region of...
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6840324 |
System for, and a method of pumping fluids from a well
A system for pumping fluid from a well has a submersible pump introducible into a well for pumping fluid from the well to ground, submersible motor introducible into the well and connected to the...
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6820696 |
Petroleum production utilizing a salt cavern
A method and system for the combined underground storage and production of petroleum. A wellbore is drilled such that the surface is in fluid communication with an oil bearing and a salt bearing...
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6817419 |
Well production management and storage system controller
In a well production management and storage system having at least one collecting tank and the well pump and a control panel with a timing trigger for activating the well pump and deactivating the...
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6798350 |
Method for repeating messages in long intelligent completion system lines
A method for two-way communication for controlling production from a formation having at least one producing well and a plurality of producing zones. In one embodiment, the method comprises...
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6782950 |
Control wellhead buoy
The present invention relates to a subsea system for the production of hydrocarbon reserves. More specifically, the present invention relates to a control wellhead bouy that is used in deepwater...
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6758289 |
Method and apparatus for hydrocarbon subterranean recovery
Enhanced horizontal drilling systems and methods encompass the production of crude oil from wells drilled from a subterranean production facility. This approach has the location of the well head...
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