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8167037 |
Method and device for feeding liquefied carbon-dioxide gas into an aquifer deep underground
A method and system for feeding liquefied carbon-dioxide gas into the ground, by which liquefied carbon-dioxide gas can be efficiently permeated and diffused in a deep aquifer. The disclosed method...
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8157011 |
System and method for performing a fracture operation on a subterranean formation
A system and method for performing a fracture operation on a well site having a subterranean formation with a reservoir therein. The method involves measuring at least one seismic wave before and...
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8151876 |
Well stimulation
Disclosed are processes for improving recovery of product from a subterranean carbonaceous deposit wherein there has been a reduction in product recovery from a production well, the processes...
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8113278 |
System and method for enhanced oil recovery using an in-situ seismic energy generator
Disclosed is a system and method for enhanced oil recovery using at least one in-situ seismic energy generator for generating seismic acoustic waves. More particularly the system and method employ...
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8082989 |
Method for impulse stimulation of oil and gas well production
A method for improving liquid injection into a rock formation. The method includes the steps of introducing a gas impulse device into a wellbore in the formation and pumping a pressurized liquid...
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8051924 |
Methods of braking core barrel assemblies
A braking device for drilling operations in a borehole includes a brake retainer having a plurality of brake connector openings defined therein, a body member having a tapered surface having a...
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8047282 |
Methods of sonically activating cement compositions
The present disclosure is directed to a system and method for sonically activating cement slurries. In some implementations, a method of treating a subterranean formation includes positioning a...
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7909094 |
Oscillating fluid flow in a wellbore
A system for oscillating compressible working fluid in a wellbore defined in a subterranean formation includes a fluid supply and a fluid oscillator device. The fluid supply communicates...
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7891421 |
Method and apparatus for in-situ radiofrequency heating
A radiofrequency reactor for use in thermally recovering oil and related materials includes a radiofrequency antenna configured to be positioned within a well, where the well is provided within an...
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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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7882895 |
Method for impulse stimulation of oil and gas well production
A method for fracturing an oil or gas formation. The method includes introducing a gas impulse device into a wellbore followed by pumping a pressurized liquid into a wellbore at a pressure equal to...
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7836948 |
Flow hydraulic amplification for a pulsing, fracturing, and drilling (PFD) device
A device and method and/or system for generating pulses to improve drilling rates, the ability to drill straighter and farther by increasing fracturing or injection efficiencies in a geological...
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7823638 |
Sound source for stimulation of oil reservoirs
The present invention relates to a sound source for the stimulation of an oil reservoir or an oil well for enhanced oil recovery or for seismic logging of the reservoir. The sound source is...
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7810562 |
In-situ formation of solids for well completions and zonal isolation
A sol of metallic alkoxide is pumped into a desired location in a wellbore and allowed to gel, creating solids in-situ. The sol is either unstabilized, requiring rapid placement before gelling, or...
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7789141 |
Oil recovery enhancement method
The current invention provides an improved method of increasing well yield and enhancing oil production. The method comprises the steps of lowering a vibroacoustic downhole emitter into a well down...
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7770638 |
Method for completion, maintenance and stimulation of oil and gas wells
A method for inducing motion in solid particulates in a solid/liquid mixture located in proximity to the periphery of a wellbore or in the formation zone adjacent to a wellbore in an oil or gas...
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7762326 |
System and method for reducing resistance to flow in liquid reservoir extraction
A system and method for reducing resistance to flow in liquid reservoir extraction is provided. A working seal is used to seal an annulus between a well casing and a tubing to create a forcible...
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7748446 |
Seismic source and method of generating a seismic wave in a formation
A Seismic source comprising an actuator having a rotary part (104) and a reciprocative part (105), conversion means (109) in the form of corrugated surfaces to convert a rotation of the rotary part...
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7743827 |
Remote operation wire line core sampling device
Remote operation wire line core sampling device capable of increasing efficiency of working and maintaining a wall of a hole using a stabilized sea-bottom core drill at a sea-bottom, and adopting a...
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7677673 |
Stimulation and recovery of heavy hydrocarbon fluids
The present invention is directed to the use of electromagnetic radiation, acoustic energy, and surfactant injection to recover hydrocarbon-containing materials from a hydrocarbon-bearing formation.
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7665517 |
Methods of cleaning sand control screens and gravel packs
Methods for remediating a subterranean environment. Methods comprising introducing a cleanup fluid through a well bore and into a portion of a subterranean formation penetrated by the well bore,...
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7644759 |
Enhancement of flow rates through porous media
For extracting a liquid (such as oil) from a porous medium, the liquid is subjected to pulses that propagate through the liquid flowing through the pores of the medium. The pulses cause momentary...
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7628202 |
Enhanced oil recovery using multiple sonic sources
A method and apparatus control a plurality of sonic sources to generate sound waves within at least one opening of an item. The “item” can comprise almost anything that has a percolation path (a ...
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7617908 |
Downhole seismic source
Elastodynamic waves are generated by a tool having a hammer rotatably connected with a housing by a first hinge and an actuator arm rotatably connected with the hammer by a second hinge. An axial...
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7597148 |
Formation and control of gas hydrates
Gas hydrates, particularly natural gas hydrates e.g. methane hydrates, may be formed and controlled within conduits and vessels by imparting energy to gas and water, for instance using agitation or...
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7584783 |
Surface activated downhole spark-gap tool
A spark-gap tool includes a plurality of electrodes, a mandrel, transductive element(s), and a force transmission configuration. Upon relative movement between components a physical distortion of...
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7484566 |
Pulse width modulated downhole flow control
A pulse width modulated downhole flow control. A downhole flow control system includes a flow control device with a flow restrictor which variably restricts flow through the flow control device. An...
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7413010 |
Remediation of subterranean formations using vibrational waves and consolidating agents
Methods of remediating a subterranean formation comprising directing vibrational waves at a portion of the subterranean formation containing fines; allowing the vibrational waves to displace at...
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7405998 |
Method and apparatus for generating fluid pressure pulses
Apparatuses and methods for generating fluid pressure pulses are disclosed. An example apparatus may include a chamber that can collect fluid and an upstream ported disc coupled to a downstream end...
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7367392 |
Wellbore apparatus with sliding shields
Wellbore apparatus including an elongated tubular adapted for disposal within the wellbore. The tubular having an elongated recess formed on its exterior surface along the longitudinal axis. The...
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7360596 |
Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells
The invention relates to a method for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers (W) in the underground extraction areas (F) of wells and...
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7350567 |
Increasing media permeability with acoustic vibrations
A coalbed methane production method comprises acoustic radiators strategically placed within exhaust boreholes that sonically vibrate the immediate wall areas. The gas volume output that can be...
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7219726 |
Method and apparatus to vibrate a downhole component
An apparatus for use in a wellbore comprises a housing having a longitudinal axis and a mechanism having one or more impact elements adapted to move along the longitudinal axis in an oscillating...
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7201224 |
Dynamic reduction of the moisture layer during the displacement of a viscoelastic fluid using a fluid with lower viscosity
The invention relates to a method of optimizing the displacement of a viscoelastic fluid in a pore, tube, duct, channel, fracture, porous medium or interconnected latticework or in an...
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7182170 |
Gerotor and bearing system for whirling mass orbital vibrator
A gerotor and bearing apparatus for a whirling mass orbital vibrator which generates vibration in a borehole. The apparatus includes a gerotor with an inner gear rotated by a shaft having one less...
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7114560 |
Methods for enhancing treatment fluid placement in a subterranean formation
The present invention relates to methods for controlling the migration of unconsolidated particulates in a portion of a subterranean formation, and more particularly, to the using a pressure pulse...
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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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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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6994167 |
Method and system for cement lining a wellbore
The invention describes a method of cement lining a wellbore to enable a fixed sensor internal of the lining to sense characteristics of the external formations surrounding the wellbore using, at...
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6959760 |
Downhole pulser
A power generator for use in a wellbore formed in an earth formation, including an internal combustion engine having a cylinder and a piston defining a combustion chamber in the cylinder, the...
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6899175 |
Method and apparatus for seismic stimulation of fluid-bearing formations
An apparatus and seismic method for producing an shock wave in an oil well borehole, with a pumping unit arranged at the wellhead, a tubing string extending downward into the production casing of...
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6866098 |
Method for controlling a producing zone of a well in a geological formation
System and methods for transmitting and receiving electromagnetic pulses through a geological formation. A preferably programmable transmitter having an all-digital portion in a preferred...
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6845818 |
Method of freeing stuck drill pipe
Disclosed is an auxiliary method for freeing a drill pipe stuck due to build up of filter cake, which provides a reduction in the amount of force required to free said pipe which comprises: a)...
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6814141 |
Method for improving oil recovery by delivering vibrational energy in a well fracture
This invention provides a method for improving oil recovery, preferably a high-viscosity oil relying on gravity drainage, by applying vibrational energy. A fracture is created at a wellbore and a...
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6747914 |
Use of minor borehole obstructions as seismic sources
An acoustic system and method for monitoring a hydrocarbon reservoir. Wellbore tube wave energy may be created by natural or ambient sources or tube waves may be excited intentionally. Wellbore...
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6736209 |
Method for vibrational impact on a pipe string in a borehole and devices for carrying out said method
The invention relates to well construction and is directed at an oscillation excitation in a pipe string. According to the inventive method, an operating fluid is circulated in the pipe string. An...
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6725923 |
Method and device for exciting transversal oscillations of a pipe string in a borehole
Method and devices for freeing stuck pipes in wells in the absence of circulation or intensifying of inflow of fluids from a productive rock, for cleaning plugged well screens, and for improving...
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6715551 |
Apparatus and methods for applying time lapse VSP to monitor a reservoir
Subterranean reservoir monitoring method, computer system with programming code for implementing the method, and computer readable media and data signal embodying such programming code, the method...
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6705396 |
Method and apparatus for producing fluid cavitation
A method and apparatus for producing fluid cavitation is provided. For a given channel cross-section of a pressure line, the flow is accelerated so as to reach a speed at which Re>Recr, where Re is...
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6691778 |
Methods of performing downhole operations using orbital vibrator energy sources
Methods of performing down hole operations in a wellbore. A vibrational source is positioned within a tubular member such that an annulus is formed between the vibrational source and an interior...
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