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7636671 |
Determining, pricing, and/or providing well servicing treatments and data processing systems therefor
An embodiment includes a method of pricing a well servicing treatment based on well characteristics, that comprises obtaining one or more well characteristics of the well servicing treatment, and...
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7631692 |
Settable compositions comprising a natural pozzolan and associated methods
An embodiment of a method of cementing comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement kiln dust, a natural pozzolan, and...
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7617870 |
Extended cement compositions comprising oil-swellable particles and associated methods
A variety of methods and compositions are disclosed herein, including, in one embodiment, a method of cementing in a subterranean formation comprising: providing an extended cement composition...
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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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7608566 |
Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
Particulate compositions that comprise macro-particulates, and degradable particulates in an amount sufficient to reduce friction between the macro-particulates, the degradable particulates having...
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7607482 |
Settable compositions comprising cement kiln dust and swellable particles
A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable...
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7604053 |
Methods of cementing with lightweight cement composition
Foamed cement compositions comprising density reducing additives and methods of making and using the same are disclosed. In one embodiment, a method of cementing is disclosed. The method of...
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7585460 |
Method for inhibiting the biological acidification of water in contact with materials containing sulfur
The invention relates to a method for inhibiting the biological acidification of water which is in contact with materials containing sulfur in reduced form or with elemental sulfur, susceptible to...
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7575055 |
Storable nonaqueous cement slurries and methods of using same
A method of servicing a wellbore comprising preparing a nonaqueous storable cementitious composition, mixing said composition with an aqueous fluid and, placing said composition into a wellbore. A...
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7559369 |
Well treatment composition and methods utilizing nano-particles
Disclosed embodiments relate to well treatment fluids and methods that utilize nano-particles. Exemplary nano-particles are selected from the group consisting of particulate nano-silica,...
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7544642 |
Zeolite-containing remedial compositions
Methods and compositions for wellbore treating fluids that include zeolite and at least one carrier fluid.
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7544641 |
Rapid setting plugging compositions for sealing subterranean formations
Rapid setting plugging compositions comprising oil, clay, magnesium chloride, and magnesium oxide powder are provided for sealing permeable zones in subterranean formations. The permeable zones may...
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7544640 |
Zeolite-containing treating fluid
Methods and compositions are provided for treating fluids, especially spacer fluids and cement compositions as well as drilling, completion and stimulation fluids including, but not limited to,...
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7543642 |
Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
Cement compositions comprising flexible, compressible beads, processes for preparing such cement compositions, and methods of cementing in subterranean formations using such cement compositions....
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7537054 |
Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement...
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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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7530394 |
Cement compositions for low temperature applications
A method of servicing a wellbore comprising placing in the wellbore a cement composition comprising light-burned magnesium oxide, water and an alkaline metal chloride, and allowing the composition...
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7530408 |
Method of consolidating an underground formation
A method of stabilizing an underground formation surrounding a borehole comprising placing a treatment fluid in the formation, the treatment fluid comprising cross-linkable polymer and a...
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7528096 |
Structured composite compositions for treatment of subterranean wells
A structured composite is comprised of particulates having particle size distribution of at least two modes and a binder. The particle size distribution is preferably bi-modal or tri-modal. The...
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7527098 |
Methods of increasing the thickening times of phosphate-based cementitious compositions in high-temperature wellbores
A wellbore may be cemented by preparing a cementitious composition comprising water, a metal oxide or hydroxide compound, a phosphate compound, a borate compound, and a sugar, followed by...
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7524369 |
Low-density cement compositions, density-reducing additives, and methods of use
Methods of using density-reducing additives comprising low-density particulates in subterranean cementing operations are provided. In one embodiment, the present invention provides a method of...
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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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7497258 |
Methods of isolating zones in subterranean formations using self-degrading cement compositions
Methods of isolating particular zones within a subterranean formation utilizing self-degrading cement compositions are provided. An example of a method of the present invention is a method that...
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7493956 |
Subsurface safety valve with closure provided by the flowing medium
Devices and methods for selectively closing and opening flow of production fluid (oil, gas, or water) through the flowbore of a production string by chemically altering the phase of fluid media...
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7494544 |
Polymer shell encapsulated gas as a cement expansion additive
Cement compositions containing an expandable material are disclosed. The compositions are suitable for use in oil and gas wells. An example of such an expandable material is a polymer encapsulated...
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7490676 |
Method and system for tubing a borehole in single diameter
The invention concerns a method for casing a borehole which consists of successively lowering an unlimited plurality of strings of casing having a common diameter, the next one through the...
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7475726 |
Continuous monobore liquid lining system
A process for drilling a well or a portion of a well capable of providing a generally constant interior wall diameter (monobore) and does not require installation of any liner or steel casing. The...
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7458423 |
Method of sealing an annulus surrounding a slotted liner
A method of forming a seal circumferentially about a liner having pre-formed openings that is positioned in a wellbore includes the steps of running a perforating device and a seal applicator into...
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7459019 |
Cement compositions for high temperature applications
In a process to design high temperature cement sluries, the temperature stable phases (anorthite, wairakite) are selected; aluminum modifiers and silica oxides are added to the dry cement so that...
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7451817 |
Methods of using casing strings in subterranean cementing operations
Improved casing strings, and methods of using improved casing strings in subterranean cementing operations, are provided. An example of an apparatus is a pipe string comprising at least one pipe...
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7448449 |
Strength retrogression preventer
Cementitious slurries capable of controlling and/or preventing strength retrogression during the cementing of a formation contain a bismuth salt or derivative thereof. Bismuth trioxide is...
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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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7448450 |
Drilling and cementing with fluids containing zeolite
Methods and compositions for cementing, especially drilling fluids that comprise zeolite and a carrier fluid, and cementing compositions made with such drilling fluids.
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7441599 |
Controlling the pressure within an annular volume of a wellbore
A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid is preselected to...
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7413014 |
Foamed fly ash cement compositions and methods of cementing
Methods of cementing and low density foamed cement compositions therefor are disclosed. A low density foamed cement composition of the invention comprises fly ash comprising calcium oxide or...
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7409990 |
Downhole mixing of encapsulated plug components for abandoning a well
A two part encapsulated cementing system is mixed downhole in a method of plugging an abandoned well. Using this two part system, one of the components is first placed in the well at the desired...
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7402204 |
Flexible cementing compositions and methods for high-temperature wells
A well cementing composition comprises an hydraulic cement and flexible, acrylonitrile-butadiene copolymer particulate material. A method of cementing a well comprises mixing the composition with...
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7373981 |
Methods of cementing with lightweight cement compositions
Foamed cement compositions comprising density reducing additives and methods of making and using the same are disclosed. In one embodiment, a method of cementing is disclosed. The method of...
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7350576 |
Methods of sealing subterranean formations using rapid setting plugging compositions
Methods for using rapid setting plugging compositions comprising oil, clay, magnesium chloride, and magnesium oxide powder to seal permeable zones in subterranean formations are provided. The...
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7350573 |
Servicing a wellbore with wellbore fluids comprising perlite
Wellbore fluids comprising an expanded and ground perlite and methods of using the same are disclosed. In one embodiment, the methods include a method of cementing comprising preparing or placing a...
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7350574 |
Methods of retarding the setting of a cement composition using biodegradable monomers
Methods of retarding the setting of a cement composition comprise including one or more secondary amines substituted with a carboxyl group or salts thereof (e.g., 3-hydroxy N,N′-iminodisuccinic...
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7337842 |
Methods of using cement compositions comprising high alumina cement and cement kiln dust
The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas....
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7331391 |
Well treating method to prevent or cure lost-circulation
A method of preventing or treating lost circulation during the drilling of a well comprises the addition, at concentration ranging between about 0.5 and 6 pounds per barrel, of water-dispersible...
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7316273 |
Methods and compositions for enhancing hydrocarbon production
The invention provides a composition for use in a subterranean formation penetrated by a wellbore, the composition comprising: a) a solvent consisting essentially of a water-soluble solvent...
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7303013 |
Method for reducing density of a system fluid and for performing drilling operations using a reduced density system fluid comprising aerogel
Methods for reducing density of a system fluid and performing drilling operations using a reduced density system fluid comprising aerogel.
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7303015 |
Cementitious compositions containing interground cement clinker and zeolite
Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum.
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7303014 |
Casing strings and methods of using such strings in subterranean cementing operations
Improved casing strings, and methods of using improved casing strings in subterranean cementing operations, are provided. An example of an apparatus is a pipe string comprising at least one pipe...
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7296626 |
Liquid additive for reducing water-soluble chromate
Methods for cementing and cement compositions are provided, wherein the cement composition comprises cementitious material and an aqueous suspension of zeolite and a chromate reducing agent.
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7296625 |
Methods of forming packs in a plurality of perforations in a casing of a wellbore
The invention provides a method of forming packs in a plurality of perforations in a casing of a wellbore, the method comprising the steps of: (a) forming a plug of a plugging particulate material...
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7293609 |
Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations
Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean...
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