Matches 1 - 50 out of 249 1 2 3 4 5 >


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US20130233552 MACROMOLECULAR, AMPHIPHILIC COMPOUNDS AS WATER RETENTION AGENTS FOR CONSTRUCTION CHEMISTRY SYSTEMS, IN PARTICULAR FOR WELL CEMENTING  
The water retention agents according to the invention are outstandingly suitable as additives in construction chemistry systems and in the development, exploitation and completion of underground...
US20150175481 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods  
Disclosed herein is a method of cementing a surface with a set-delayed cement composition. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime,...
US20130126166 Calcium Phosphate Cement Compositions Comprising Pumice and/or Perlite and Associated Methods  
Methods and compositions are provided that related to cementing operations. Methods and compositions that include pumice and/or perlite as a replacement for fly ash.
US20120160490 Use of Seeds as a Cement Set Retarder  
A cement retarder composition, method, kit and system are herein disclosed. Seeds are added to cement to delay the setting of cement. Cement retarders are added to cement to delay the setting of...
US20140048267 Two-Part Set-Delayed Cement Compositions  
A variety of methods and compositions are disclosed, including, in one embodiment a method of cementing comprising: providing a pozzolan slurry comprising a pozzolan and water; providing a lime...
US20150122486 MICROBIAL-ENHANCED WELL CEMENTING AND REMEDIATION  
Described are a method and composition which use microorganisms for downhole applications, in particular for the maintenance or restoration of the integrity of a cement sheath in a wellbore. The...
US20140216746 Plugging and Abandoning a Well Using a Set-Delayed Cement Composition Comprising Pumice  
Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. In one embodiment a method of plugging a wellbore is described. The method...
US20140262267 WELL SEALING TECHNOLOGY  
A method for sealing a wellbore around a pipe placed within it is disclosed. The method includes providing to a wellbore site a pre-mixed pre-polymer sealant solution and storing the sealant until...
US20110024113 VISCO-ELASTIC SURFACTANT SPACERS  
A spacer for use in an oil well cementing operation comprises an aqueous solution of a visco-elastic surfactant. A method of treating a well in a cementing operation, comprises pumping the spacer...
US20110067866 EQUIPMENT FOR REMOTE LAUNCHING OF CEMENTING PLUGS  
Equipment for servicing subterranean wells, and in some cases, an apparatus and method for remotely launching cementing plugs during the primary cementation of a subterranean well. The top plug...
US20140345866 MODIFIED CEMENT COMPOSITION, PREPARATION AND APPLICATION THEREOF  
Light to ultra-light cement compositions with modified rheological properties. The cement composition includes cement, hydrophobic nano-silica, at least one additive and a sufficient amount of...
US20130233550 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods  
A variety of methods and compositions are disclosed, including, in one embodiment, a method of cementing in a subterranean formation, comprising: providing a set-delayed cement composition...
US20140318784 Pumice-Containing Remedial Compositions and Methods of Use  
Methods and compositions are provided that utilize pumice and various additives. An embodiment provides a method of remedial cementing in a subterranean formation comprising: providing a...
US20130248183 Cement Set Activators for Set-Delayed Cement Compositions and Associated Methods  
Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. A method of cementing in a subterranean formation, may comprise providing...
US20130269940 Retarded Cement Compositions and Methods for Well Completions  
Cement retarders are based on blends of lignosulfonate compounds, borate compounds and gluconate compounds. The compounds are present in certain ratios that allow the retarders to operate at...
US20130233551 Methods for Servicing Subterranean Wells  
Pumpable process-fluid compositions and methods for establishing hydraulic isolation in cemented subterranean wells comprise more than 1 wt % polyacrylamide and a non-metallic crosslinker. Upon...
US20140034314 Mitigation of Contamination Effects in Set-Delayed Cement Compositions Comprising Pumice and Hydrated Lime  
Methods and compositions for cementing are disclosed. Embodiments include a method of cementing comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, a...
US20140034313 Cement Set Activators for Cement Compositions and Associated Methods  
Disclosed herein are cement compositions and methods of using cement compositions in subterranean formations. An embodiment comprises a method of cementing in a subterranean formation comprising:...
US20140202698 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods  
Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. An embodiment includes a method of cementing in a subterranean formation...
US20110203795 SEALANT FOR FORMING DURABLE PLUGS IN WELLS AND METHODS FOR COMPLETING OR ABANDONING WELLS  
Embodiments of the present invention generally relate to a sealant for forming durable plugs in wells and method for completing or abandoning wells. In one embodiment, a method of plugging a...
US20140054037 Methods for Completing Subterranean Wells  
Methods for cementing a subterranean well comprise installing a casing string into a borehole, wherein the casing string comprises a metal having a coefficient of thermal expansion (CTE) lower...
US20130255948 Compositions and Methods for Well Completions  
Well-cementing compositions for use in high-pressure, high-temperature (HPHT) wells are often densified, and contain weighting agents such as hematite, ilmenite, barite and hausmannite. The...
US20130105160 Compositions and Methods for Well Treatment  
A self-healing cement for use in wells in which carbon dioxide is injected, stored or extracted, comprises a carbonaceous material. In the event of cement-matrix failure, or bonding failure...
US20140048264 Geopolymer Cement Compositions and Methods of Use  
Methods and compositions for cementing operations that include pumice in geopolymer cement compositions comprising slag.
US20110120715 SELF ADAPTIVE CEMENT SYSTEMS  
A self-adaptive cement system includes cement, water and at least one additive that reacts or/and expands in contact with oil and gas. Several chemical products have been identified including...
US20140048265 COHESIVE SETTABLE CEMENT SYSTEM  
A lightweight cross-linked gelled settable cement fluid system derived by pre-hydrating a water gelling agent, and then using that to mix with a cement blend which results in a very stable cement...
US20140083699 Placing a Fluid Comprising Kiln Dust in a Wellbore Through a Bottom Hole Assembly  
Embodiments relate to systems and methods for introduction of fluids comprising kiln dust into a wellbore through a bottom hole assembly. An embodiment discloses a method comprising: drilling a...
US20140238676 CEMENT SLURRY COMPOSITIONS AND METHODS  
A cement slurry composition is described as having cement, water, and organic polymeric particles. The composition also includes non-ionic surfactants, which may contain ethoxylate groups or...
US20130312966 IN SITU DECOMPOSITION OF CARBONYLS AT HIGH TEMPERATURE FOR FIXING INCOMPLETE AND FAILED WELL SEALS  
Methods and systems relating to in situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals, are described. According to one embodiment, a method, comprises...
US20110048714 HOMOGENOUS SYNTHETIC MUD-TO-CEMENT CEMENTING GLASSES  
A synthetic glass family in the quaternary phase field of CaO—SiO2—Al2O3—MgO (CSAM) with hydraulic and pozzolanic properties for use in differing applications in the gas and oil well cementing...
US20140231082 METHODS AND COMPOSITIONS FOR TREATING SUBTERRANEAN FORMATIONS WITH INTERLOCKING LOST CIRCULATION MATERIALS  
The present invention provides for methods of treating a fluid loss zone in a wellbore in a subterranean formation including providing interlocking notched particulates having an outer face...
US20140332215 Compositions and Methods for Well Completions  
A self-healing cement for use in wells in which acid gases are injected, stored or extracted, comprises an acid-swelling material. In the event of cement-matrix failure, or bonding failure between...
US20140196901 CEMENT COMPOSITION CONTAINING AN ADDITIVE OF A POZZOLAN AND A STRENGTH RETROGRESSION INHIBITOR  
A cement composition comprises: cement; water; and an additive, wherein the additive is a pozzolan and a strength-retrogression inhibitor, and wherein a mixture consisting essentially of: the...
US20120312535 Cementing Composition Comprising within Un-Reacted Cement  
The invention provides a cementing composition for use in oilfield application, wherein a significant amount of cement is left intentionally un-hydrated when the cement is set; such that said...
US20150152314 Cement Composition Comprising Nano-Platelets  
A method of cementing a subterranean formation includes providing a cement composition comprising cementitious material, aqueous base fluid, graphene nano-platelets, and a dispersant; introducing...
US20140174724 HOLLOW HYDROGEL CAPSULES AND METHODS OF USING THE SAME  
The present invention relates to hollow hydrogel capsules. In various embodiments, the present invention provides a method of treating a subterranean formation with a hollow hydrogel capsule...
US20140083698 Cement Compositions for Cementing in Confined Locales and Methods for Use Thereof  
When conducting cementing operations within confined locales, such as the annular space within a wellbore, it can sometimes be difficult to successfully deliver an uncured cement composition to a...
US20150218905 Magnesium Metal Ore Waste in Well Cementing  
Methods and compositions are provided that utilize magnesium metal ore waste in well cementing. A method of cementing may comprise introducing a cement composition into a subterranean formation,...
US20120048551 RAPID SWELLING AND UN-SWELLING MATERIALS IN WELL TOOLS  
Rapid swelling and un-swelling materials provide for rapid actuation of well tools. A well tool can include a swellable material, with the swellable material comprising a swellable glass material....
US20140338909 CEMENT COMPOSITIONS COMPRISING PARTICULATE FOAMED ELASTOMERS AND ASSOCIATED METHODS  
Methods of subterranean cementing involving cement compositions comprising particulate foamed elastomers and associated methods are provided. In one embodiment, the methods comprise introducing a...
US20100314111 Cement Compositions Comprising Particulate Foamed Elastomers and Associated Methods  
Methods of subterranean cementing involving cement compositions comprising particulate foamed elastomers and associated methods are provided. In one embodiment, the methods comprise introducing a...
US20120168161 PLUG-INDUCING MATTER AND METHOD OF PLUGGING A WELLBORE  
Plug-inducing matter includes junk shot comprising members and swellable material substantially covering the members which are configured to swell upon exposure to wellbore fluids.
US20130312641 Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations  
Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean...
US20110272141 Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use  
The present invention relates to methods useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing a set modifier component. The...
US20100180538 CEMENTITIOUS COMPOSITIONS HAVING COARSE GROUND BLAST FURNACE SLAG AND METHODS OF MAKING AND USING THE SAME  
A cementitious composition capable of forming a high, early-phase strength cement may comprise construction grade cement and ground blast furnace slag, the ground blast furnace slag having a...
US20090020286 Plugging a Mined-Through Well  
A system and method of plugging a well bore includes intersecting a portion of a well with a subterranean cavern. A portion of the well may be isolated to prevent accumulation of reservoir fluids...
US20130213647 Surface Wellbore Operating Equipment Utilizing MEMS Sensors  
A method comprising mixing a wellbore servicing composition comprising Micro-Electro-Mechanical System (MEMS) sensors in surface wellbore operating equipment at the surface of a wellsite. An...
US20110272142 Radiation-Induced Thickening and Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use  
The present invention includes methods and compositions relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore includes...
US20110265996 Radiation-Induced Thickening for Set-On-Command Sealant Compositions and Methods of Use  
The present invention includes methods relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore by preparing a sealant composition...
US20110048715 Radiation-Induced Thickening for Set-On-Command Sealant Compositions and Methods of Use  
The present invention includes methods relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore by preparing a sealant composition...

Matches 1 - 50 out of 249 1 2 3 4 5 >