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8171992 |
Method of fracturing a subterranean formation at optimized and pre-determined conditions
Prior to a hydraulic fracturing treatment, ΔSGPS for a desired propped fracture length, DPST, may be estimated wherein ΔSGPS=SGprop−SGfluid (SGprop being the specific gravity of the proppant and...
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8167039 |
Method of fracturing a subterranean formation at optimized and pre-determined conditions
Prior to a hydraulic fracturing treatment, the requisite median diameter of a proppant, dprop, into a fracture of defined length, DPST, may be estimated in accordance with Equation (I):...
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8162049 |
Injection-backflow technique for measuring fracture surface area adjacent to a wellbore
An injection backflow method for measuring fracture surface area adjacent to a wellbore measures an initial temperature profile along the length of a wellbore. A tracer composition is injected into...
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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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8141632 |
Method for hydraulic fracture dimensions determination
A numerical model of a polymer-based fracturing fluid displacement from a fracture and a filtrate zone by a formation fluid is provided for calculating a change of a fracturing fluid concentration...
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8100177 |
Method of logging a well using a thermal neutron absorbing material
A method for determining the location and height of a fracture in a subterranean formation using a neutron emitting logging tool. The method includes obtaining a pre-fracture data set, fracturing...
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8096355 |
Analysis of radar ranging data from a down hole radar ranging tool for determining width, height, and length of a subterranean fracture
Radar ranging data are collected from a down hole tool at various depths in a fractured well bore, and analyzed to provide a profile of the length of each wing of the fracture as a function of...
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8082992 |
Methods of fluid-controlled geometry stimulation
Methods including the steps of selecting a target fracture geometry for a portion of a subterranean formation; selecting a target tip pressure and a target back flow pressure based at least in part...
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8078402 |
Method of ranking geomarkers and compositional allocation of wellbore effluents
A method of method of determining relative contributions of two or more producing subterranean sources to a total flow is described using the steps of selecting a subset from a set of identifiable...
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8073664 |
Systems and methods for improved positioning of pads
Systems and methods for the automated positioning of pads and orienting of slot templates for the pads. The systems and methods also include automated adjustment of well path plans from a pad to...
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8061427 |
Well product recovery process
A process for fracturing a selected region of a formation including: introducing a supply of fracturing fluid to the region of the formation until a first threshold is reached, adjusting the flow...
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8051911 |
Method of fracturing a subterranean formation at optimized and pre-determined conditions
Prior to a hydraulic fracturing treatment, the requisite injection rate for a desired propped fracture length of a fracture may be estimated with knowledge of certain physical properties of the...
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8006755 |
Proppants coated by piezoelectric or magnetostrictive materials, or by mixtures or combinations thereof, to enable their tracking in a downhole environment
A method for “tagging” proppants so that they can be tracked and monitored in a downhole environment, based on the use of composite proppant compositions comprising a particulate substrate coa...
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8006754 |
Proppants containing dispersed piezoelectric or magnetostrictive fillers or mixtures thereof, to enable proppant tracking and monitoring in a downhole environment
In one aspect, the invention relates to a method for “tagging” proppants so that they can be tracked and monitored in a downhole environment, based on the use of composite proppant compositions con...
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7967069 |
Active seismic monitoring of fracturing operations
A method for managing a fracturing operation. In one implementation, the method may include positioning a seismic source and at least one seismic receiver near a hydrocarbon reservoir; pumping a...
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7963325 |
Method and system for fracturing subsurface formations during the drilling thereof
A method for fracturing a wellbore while drilling a wellbore includes inserting a drill string into a wellbore. A fluid is pumped into at least one of an interior passage in the drill string and an...
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7946340 |
Method and apparatus for orchestration of fracture placement from a centralized well fluid treatment center
A method and apparatus for orchestrating multiple fractures at multiple well locations in a region by flowing well treatment fluid from a centralized well treatment fluid center includes the steps...
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7938181 |
Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations
A method of injecting a treatment fluid into a portion of a subterranean formation, comprising providing a treatment fluid having a viscosity; determining the breakdown pressure of the portion of...
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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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7890307 |
Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach
A method for determining distribution data for a disposal domain parameter to increase assurance in a cuttings injection process, including performing a fracturing simulation using a site specific...
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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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7848895 |
Predicting changes in hydrofrac orientation in depleting oil and gas reservoirs
Stress rotation due to depletion can be estimated in reservoirs having an impermeable reservoir boundary. More specifically, the isotropic change in stress due to depletion, and the uniaxial stress...
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7830745 |
Identifying the Q-factor using microseismic event generated S-coda waves
A method and system model of the formation and rock matrices in a well site. A microseismic event from a hydraulic fracture in a well bore is recorded at a monitoring well site. The S-coda wave...
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7819188 |
Monitoring, controlling and enhancing processes while stimulating a fluid-filled borehole
Tubewaves are used for detection and monitoring of feature state to enhance stimulation operations and remediate failure conditions. For example, proper sealing of perforations may be confirmed...
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7798224 |
Rheology controlled heterogeneous particle placement in hydraulic fracturing
A method of treating a subterranean formation penetrated by a wellbore includes preparing a treatment fluid with shear thinning, non-monotonic rheological properties, injecting the treatment fluid...
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7784544 |
Method of treating a subterranean formation using a rheology model for fluid optimization
Subterranean formation treatment methods incorporating a rheology model which enables prediction of fluid rheology properties during a treatment operation, where the foundation of the model is a...
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7774140 |
Method and an apparatus for detecting fracture with significant residual width from previous treatments
A refracture-candidate diagnostic test is an injection of compressible or slightly compressible fluid at pressures in excess of minimum in-situ stress and formation fracture pressure with pressure...
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7761237 |
Method for quantification and mitigation for dip-induced azimuthal AVO
This patent delineates methods for quantifying and mitigating dip-induced azimuthal AVO effects in seismic fracture detection using Azimuthal AVO analysis by accurately accounting for the...
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7757768 |
Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations
A method of injecting a treatment fluid into a portion of a subterranean formation, comprising providing a treatment fluid having a viscosity; determining the breakdown pressure of the portion of...
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7753119 |
In-situ heavy-oil reservoir evaluation with artificial temperature elevation
Many reservoirs of interest include heavy oil. In such reservoirs, partly at normal temperatures, many instruments commonly used for formation evaluation may not be able to distinguish between...
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7740072 |
Methods and systems for well stimulation using multiple angled fracturing
Methods, systems, and apparatus for inducing fractures in a subterranean formation and more particularly methods and apparatus to place a first fracture with a first orientation in a formation...
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7730951 |
Methods of initiating intersecting fractures using explosive and cryogenic means
Methods and systems that utilize explosive and cryogenic means to establish fluid communication to areas away from the well bore walls are disclosed. A first fracture is induced in the subterranean...
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7726397 |
Methods and compositions for determination of fracture geometry in subterranean formations
Disclosed herein is a method comprising disposing in a formation fracture, a proppant and/or a fracturing fluid that comprises a radiation susceptible material that comprises indium and/or...
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7712526 |
Proppant suspension testing devices and methods of use
An apparatus for testing a rheological property of a fluid with a particulate includes: (a) a receptacle having a cylindrical side wall enclosed by a bottom wall defining a cavity for receiving a...
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7677306 |
Hydraulic fracturing
Method and apparatus for estimating a fluid driven fracture volume during hydraulic fracturing treatment of a ground formation. A series of tiltmeters are positioned at spaced apart tiltmeter...
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7674872 |
Method of producing high molecular weight polymer
The present invention provides methods of producing high molecular weight polymer. A method of forming polycarbonate includes the step of combining in a reaction mixture a diaryl carbonate, a...
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7669655 |
Method of fracturing a subterranean formation at optimized and pre-determined conditions
Prior to a hydraulic fracturing treatment, the estimated fracture length may be estimated with knowledge of certain physical properties of the proppant and transport fluid such as fluid viscosity,...
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7591306 |
Enhanced hydrocarbon recovery by steam injection of oil sand formations
The present invention involves a method and apparatus for enhanced recovery of petroleum fluids from the subsurface by injection of a steam and hydrocarbon vaporized solvent in contact with the oil...
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7557339 |
Optical position sensor
An optical positioning monitoring system is disclosed. The system has an optical sensing member disposed on a wellbore pipe, such as the tubing or production casing. When a tool comprising an...
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7546877 |
Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers
A process for hydrofracturing a specific interval or zone in a water aquifer from a water well borehole and introducing high-pressure water and gravel proppants for increasing water flow production...
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7543635 |
Fracture characterization using reservoir monitoring devices
A system for monitoring a wellbore service treatment, comprising a downhole tool operable to perform the wellbore service treatment; a conveyance connected to the downhole tool for moving the...
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7516793 |
Methods and systems for fracturing subterranean wells
New methods and systems for subterranean fracturing for hydrocarbon wells. A plan of the fracture propagation and in-fracture proppant distribution is used with a real-time model of the status of...
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7513752 |
Beam pump dynamic load monitoring and methods
A pump monitoring system includes a monitoring device configured for attachment to a cable harness of a pump, a strain gauge configured to measure dynamic loading of at least one cable of the cable...
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7472748 |
Methods for estimating properties of a subterranean formation and/or a fracture therein
Methods that include a method of determining one or more approximate properties of a subterranean formation and/or a fracture therein comprising: obtaining fluid identity data for a plurality of...
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7460436 |
Apparatus and method for hydraulic fracture imaging by joint inversion of deformation and seismicity
A method for hydraulic fracture imaging consistently integrates ground deformation data and microseismic data. A time sequence of hydraulic fracture images is computed from the combined data by...
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7451818 |
Method of reducing sand production from a wellbore
A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced...
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7451812 |
Real-time automated heterogeneous proppant placement
A system and a method for heterogeneous proppant placement in a fracture (12) in a subterranean formation (18) are disclosed. The system includes a delivery system (10) for delivering proppant and...
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7441598 |
Methods of stabilizing unconsolidated subterranean formations
Methods of stabilizing unconsolidated portions of a subterranean formation are provided. In one embodiment, the methods comprise: creating or enhancing at least two slots in an unconsolidated...
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7440876 |
Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach
A method for determining distribution data for a disposal domain parameter to increase assurance in a cuttings injection process, including performing a fracturing simulation using a site specific...
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7424911 |
Method of estimating fracture geometry, compositions and articles used for the same
Disclosed herein is a method of determining the fracture geometry of a subterranean fracture comprising introducing into the fracture a target particle and/or proppant; transmitting into the...
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