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7624802 |
Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same
Disclosed herein are free flowing coated particles and low temperature methods of making same. Each particle has a curable coating disposed upon a substrate. The substrate is a particulate...
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7610959 |
Methods and materials for subterranean fluid forming barriers in materials surrounding wells
Disclosed is a method and material for forming a fluid barrier in the material surrounding a wellbore. The method involves temporarily opening a fracture extending from the wellbore and then...
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7578968 |
Microbiological control in oil or gas field operations
Processes for effecting biocidal activity in subterranean oil and gas wells being drilled, completed, worked over or produced are described. In general the process comprises blending with aqueous...
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7575054 |
Self diverting matrix acid
A method is described for treating a subterranean formation with a low viscosity fluid system that contains a viscoelastic surfactant at a concentration too low to viscosify the fluid, but that is...
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7571766 |
Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage
A method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided. The method comprises the steps of: (a)...
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7565929 |
Degradable material assisted diversion
Degradable material assisted diversion (DMAD) methods for well treatment, DMAD treatment fluids, and removable plugs for DMAD in downhole operations. A slurry of solid degradable material is...
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7561998 |
Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates
Disclosed are methods of modeling stimulation treatments, such as designing matrix treatments for subterranean formations penetrated by a wellbore, to enhance hydrocarbon recovery. The modeling...
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7533723 |
Well bore treatment fluid
A well bore treatment fluid and methods for selectively reducing the outflow of water during recovery of hydrocarbons from a hydrocarbon reservoir in a formation are described, wherein fluid...
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7527102 |
Methods and compositions for diverting acid fluids in wellbores
Viscoelastic surfactant (VES) gelled aqueous fluids containing a VES, an internal breaker, and optionally a viscosity enhancer are useful as diverting fluid for directing placement of an acid into...
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7520327 |
Methods and materials for subterranean fluid forming barriers in materials surrounding wells
Disclosed is a method and material for forming a fluid barrier in the material surrounding a wellbore. The method involves temporarily opening a fracture extending from the wellbore and then...
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7510004 |
Method for treating an underground formation
A swellable polymer gel composition for use in subterranean formations. The composition comprises water, a water soluble polymer, a water soluble crosslinking system and a swelling agent. The...
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7500519 |
Methods of modifying fracture faces and other surfaces in subterranean formations
Provided are methods of modifying the stress-activated reactivity of subterranean fracture faces and other surfaces in subterranean formations. In one embodiment, the methods comprise: providing a...
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7493957 |
Methods for controlling water and sand production in subterranean wells
Methods for stabilizing unconsolidated or weakly consolidated portions of a subterranean formation and controlling the production of water in those portions include introducing a consolidating...
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7490028 |
Method, apparatus and system for pore pressure prediction in presence of dipping formations
A method, apparatus and system for predicting the formation pressure ahead of a bit in a well, which includes using measurements taken in shales and permeable formations at or near the bit together...
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7484564 |
Delayed tackifying compositions and associated methods involving controlling particulate migration
Methods and compositions relating to delayed tackifying compositions that comprise an aqueous tackifying agent and a delayed acid-releasing activator that may be used to stabilize particulates and...
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7448451 |
Methods for controlling migration of particulates in a subterranean formation
Methods of controlling particulate migration in a portion of a subterranean formation comprising placing a pre-flush fluid into the portion of the subterranean formation; and then, placing a...
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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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7422060 |
Methods and apparatus for completing a well
Methods and tools are described to reduce sanding including the steps of fracturing the cement sheath in a localized zone around the casing and having the fractured zone act as sand filter between...
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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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7401649 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Methods for controlling particulate migration
Methods are provided for stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of...
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7398825 |
Methods of controlling sand and water production in subterranean zones
Methods for stabilizing portions of a subterranean formation and controlling the production of water from those subterranean formations. In one embodiment, the methods of the present invention...
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7380600 |
Degradable material assisted diversion or isolation
A method for well treatment by forming a temporary plug in a fracture, a perforation, a wellbore, or more than one of these locations, in a well penetrating a subterranean formation is provided, in...
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7343973 |
Methods of stabilizing surfaces of subterranean formations
A method of treating a subterranean formation or of stabilizing a surface within a subterranean fracture comprising: providing a treatment fluid comprising lightweight proppant at least partially...
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7314088 |
System for retrieving a tubular element from a well
A system is disclosed for retrieving a tubular element extending into a subsea well provided with a wellhead, the tubular element being provided with a hanger suspending the tubular element at the...
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7299875 |
Methods for controlling particulate migration
Many methods are provided including methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising...
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7299869 |
Carbon foam particulates and methods of using carbon foam particulates in subterranean applications
The present invention relates to carbon foam particulates and their use in subterranean applications such as production enhancement and completion. One embodiment of the present invention provides...
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7281580 |
High porosity fractures and methods of creating high porosity fractures
The present invention relates to high porosity propped fractures and methods of creating high porosity propped fractures in portions of subterranean formations. Another embodiment of the present...
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7273099 |
Methods of stimulating a subterranean formation comprising multiple production intervals
A method of stimulating a production interval adjacent a well bore having a casing disposed therein, that comprises introducing a carrier fluid comprising first particulates into the well bore,...
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7267172 |
Cemented open hole selective fracing system
A cemented open hole selective fracing system is shown. In the producing zone, an open hole is drilled therein and a production tubing is cemented in place. At preselected locations along the...
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7264052 |
Methods and compositions for consolidating proppant in fractures
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In certain embodiments, the hardenable resin compositions may be especially suited for...
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7264051 |
Methods of using partitioned, coated particulates
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and...
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7261157 |
Methods of controlling particulate segregation in slurries
Methods for controlling particulate segregation comprising providing a mixture of an aqueous tackifying composition with a treatment fluid; slurrying the mixture with a first type of solid...
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7261156 |
Methods using particulates coated with treatment chemical partitioning agents
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and...
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7255169 |
Methods of creating high porosity propped fractures
Methods of forming a high porosity propped fracture comprising: providing a slurry comprising a fracturing fluid, proppant particulates, and a weighting agent; introducing the slurry into a portion...
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7252146 |
Methods for preparing slurries of coated particulates
Methods are provided that include a method of creating a stable slurry of coated particulates wherein the slurry is capable of being stored for at least 2 hours before use comprising the steps of:...
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7237609 |
Methods for producing fluids from acidized and consolidated portions of subterranean formations
A method of stimulating and stabilizing an area of a subterranean formation comprising placing an acid fluid into an area of a subterranean formation and allowing the acid to at least partially...
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7228904 |
Compositions and methods for improving fracture conductivity in a subterranean well
The invention relates to enhancing the conductivity of fractures in a subterranean formation so as to enhance fluid flow therethrough. In one embodiment, the present invention provides a method...
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7225869 |
Methods of isolating hydrajet stimulated zones
The present invention is directed to a method of isolating hydrajet stimulated zones from subsequent well operations. The method includes the step of drilling a wellbore into the subterranean...
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7182136 |
Methods of reducing water permeability for acidizing a subterranean formation
The present invention provides a method of stimulating a subterranean formation penetrated by a well. The formation has a water-bearing section and a hydrocarbon-bearing section. The method...
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7131491 |
Aqueous-based tackifier fluids and methods of use
The present invention relates to aqueous based tackifier fluids and their use in stabilizing particulates in propped fractures. Some embodiments of the present invention provide methods of creating...
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7096947 |
Fluid loss control additives for use in fracturing subterranean formations
The present invention relates to subterranean fracturing operations, and more particularly to fracturing fluids that includes a fluid loss control additive, and methods of using such fracturing...
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7096943 |
Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus
A method for growth of a hydraulic fracture or a tall frac is described wherein the tall frac is disposed next to a well bore using a sandpacked annulus. Also, a method for creating a permeable...
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7063151 |
Methods of preparing and using coated particulates
The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One...
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7059407 |
Method and apparatus for stimulation of multiple formation intervals
The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying...
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7059406 |
Production-enhancing completion methods
The present invention relates to improved methods for completing well bores along producing zones while controlling formation sands and increasing surface area available for production. Some...
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7044224 |
Permeable cement and methods of fracturing utilizing permeable cement in subterranean well bores
The present invention relates to methods of stimulating a subterranean formation. More particularly, but not by way of limitation, the present invention relates to methods of fracturing...
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7044220 |
Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well
The present invention relates to enhancing fluid flow from subterranean formations. More particularly, this invention relates to providing improved proppant matrixes within fractures in a...
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7036589 |
Methods for fracturing stimulation
The present invention provides methods for fracturing and for reducing the production of both water and particulates from subterranean formations. The methods are particularly useful in conjunction...
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7036587 |
Methods of diverting treating fluids in subterranean zones and degradable diverting materials
Methods of diverting treating fluids in subterranean zones penetrated by well bores are provided. The methods basically comprise the following steps. A degradable particulate diverting material is...
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7032667 |
Methods for enhancing the consolidation strength of resin coated particulates
The present invention involves enhancing the conductivity of subterranean propped fractures penetrating formations while controlling proppant flowback. More particularly, the present invention...
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