|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6851473 |
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...
|
|
|
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:
...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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>Re cr , where...
|
|
|
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...
|
|
|
6643221 |
Structures and methods for damping tool waves particularly for acoustic logging tools
In one aspect, the invention involves an acoustic logging tool for performing acoustic investigations of subsurface geological formations. In one embodiment, the tool comprises a generally...
|
|
|
6619394 |
Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom
A process and apparatus for treating a wellbore, comprising subjecting a substantially same portion of the wellbore to vibratory waves produced by a plurality of vibratory wave generators. The...
|
|
|
6595285 |
Method and device for emitting radial seismic waves in a material medium by electromagnetic induction
A method and device for emitting radial seismic waves in a material medium by electromagnetic induction, used notably for generating seismic waves in cased or uncased wells or in a water mass is...
|
|
|
6550534 |
Utilization of energy from flowing fluids
A fluid powered downhole vibration tool used in a well bore wherein fluids are pumped from the surface into a formation through the well bore. The tool includes a fluid powered motor located within...
|
|
|
6533035 |
Method and apparatus for stimulating well production
A method and apparatus for enhancing the production of newly developed water wells and existing wells that have suffered a reduction in capacity due to plugging. A gas line directs gas under...
|
|
|
6499536 |
Method to increase the oil production from an oil reservoir
A method to increase the production of oil from an oil reservoir is described. The method includes injecting a magnetic or magnetostrictive material through an oil well into the oil reservoir,...
|
|
|
6491095 |
Transducers, and methods of producing transducers, with cryogenically treated transducer members
A transducer provides (a) increased magnitudes of vibrations without cracking and (b) increased power to the transducer, in response to alternating voltages, for producing transducer vibrations...
|
|
|
6467542 |
Method for resonant vibration stimulation of fluid-bearing formations
A process is provided to enhance fluid production, recovery, and/or injection from and/or into fluid-bearing formations. The process includes the stimulation of the formation by vibrations,...
|
|
|
6460618 |
Method and apparatus for improving the permeability in an earth formation utilizing shock waves
A method for improving the permeability of an earth formation zone surrounding a wellbore formed in the earth formation utilizing hydraulic shockwaves. The selected zone is isolated and fluid is...
|
|
|
6405796 |
Method for improving oil recovery using an ultrasound technique
A method and apparatus for and aggregates in a fluid medium. The present invention employs an ultrasonic device to efficiently breakup particle agglomerates by driving the ultrasonic signal over a...
|
|
|
6390191 |
Method for stimulating hydrocarbon production
A system for stimulating the production of hydrocarbon containing substances, such as from oil and gas wells, by the use of a generally cylindrical, high energy producing transducer mechanism. The...
|
|
|
6328102 |
Method and apparatus for piezoelectric transport
The present invention is directed to a method of utilizing the piezoelectric effect to transport a target substance within an earth formation. An earth formation is identified which bears a target...
|
|
|
6318471 |
Method for installing tubular members axially into the earth
A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the...
|
|
|
6279653 |
Heavy oil viscosity reduction and production
This invention provides an apparatus and process for producing heavy crude oil from a subterranean formation penetrated by a well bore. In accordance with the process, an aqueous alkaline chemical...
|
|
|
6250388 |
Gas impulse device and method of use thereof
A self-firing and self-propelling gas impulse device which includes a housing having a longitudinal axis, a gas inlet port, and one or more gas discharge ports; an inlet chamber, arranged for gas...
|
|
|
6250386 |
Process for stimulation of oil wells
|
|
|
6230799 |
Ultrasonic downhole radiator and method for using same
An apparatus for use down a bore hole to reduce the viscosity of a hydrocarbon-containing fluid in the bore hole. The apparatus includes a housing having a size for disposition in the bore hole. At...
|
|
|
6186228 |
Methods and apparatus for enhancing well production using sonic energy
The present invention provides methods and apparatus for enhancing the production of liquid hydrocarbons from a subterranean formation penetrated by a well bore. The methods basically comprise...
|
|
|
6015010 |
Dual tubing pump for stimulation of oil-bearing formations
An apparatus for producing a shock wave in a borehole, such as a well, includes a pumping unit arranged at the wellhead, a tubing string extending downwardly into the production casing of the well,...
|
|
|
6012521 |
Downhole pressure wave generator and method for use thereof
A pressure wave generator for use down a bore hole having fluid therein adjacent a hydrocarbon-containing formation. The generator includes an elastomeric member sized for disposition in the bore...
|
|
|
5984578 |
Apparatus and method for in situ removal of contaminants using sonic energy
In preferred embodiments, an apparatus and method for enhancing the in situ removal of at least one contaminant from a contaminated body, the body being provided with at least one interstice, by...
|
|
|
5950726 |
Increased oil and gas production using elastic-wave stimulation
An apparatus and method for increasing subterranean fluid production are disclosed. A downhole stimulation apparatus produces elastic wave energy which propagates into the subterranean strata of...
|