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US20110315380 SYSTEM FOR CEMENTING TUBULARS COMPRISING A MUD MOTOR  
A method and system for cementing a tubular and mud motor in a wellbore utilizing burst disks above the mud motor. The burst disks rupture to permit the cement to flow through the burst disks and...
US20120186813 METHOD FOR BLOCKING OUTFLOW OF PETROLEUM OR THE LIKE DUE TO DAMAGE TO SUBSEA PETROLEUM WELL STELL PIPE OR THE LIKE  
The present invention relates to blocking a flow of crude oil or natural gas from a steel pipe for extracting the oil or the like that has been installed in the sea when the steel pipe is broken....
US20130153221 Compositions and Methods for Well Completions  
Incorporation of carbonaceous materials in a cement slurry increases the linear thermal-expansion coefficient of the set cement. When placed in a subterranean well having at least one casing...
US20130248180 RETRIEVABLE CEMENTING BUSHING SYSTEM  
A technique facilitates downhole service operations including cementing operations. A retrievable cementing bushing is designed to facilitate the service operation and includes a body on which is...
US20120103609 COMPOSITIONS AND METHODS FOR WELL COMPLETIONS  
Cement retarders for well cements are based on hydrophobins. Hydrophobins are proteins or polypeptides that form hydrophobic coatings on surfaces. The size of the hydrophobins is preferably...
US20130000903 RECONFIGURABLE CEMENT COMPOSITION, ARTICLES MADE THEREFROM AND METHOD OF USE  
A pourable aqueous cement composition is disclosed. The cement composition comprises a hydraulic cement, water and a selectively removable material comprising a plurality of selectively corrodible...
US20110048709 Cement Compositions and Associated Methods Comprising Sub-Micron Calcium Carbonate and Latex  
Methods and compositions are provided that relate to cement compositions and methods comprising sub-micron calcium carbonate and latex. An embodiment includes a method of cementing in a...
US20100300689 SEALING ASSEMBLY  
A downhole sealing assembly (10) includes a sleeve (12) comprising a swellable medium (22). The sleeve (12) is mounted on a base pipe (14) and defines a flow path (18) between the sleeve (12) and...
US20110073310 Through Tubing Bridge Plug and Installation Method for Same  
A through tubing bridge plug (200) for providing a gripping and sealing engagement with a casing string of a wellbore. The bridge plug (200) includes an actuation rod (208), an anchor assembly...
US20120186812 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...
US20140069646 E-RING DIVOT BACK-OUT LOCK  
An energizing ring can be used to energize a seal. In embodiments, the energizing ring has a recess, or divot, adjacent to a portion of the seal so that if the seal is deformed during a...
US20150211324 Disintegrating Agglomerated Sand Frack Plug  
The frack plug has a sealing element that reforms when set to hold differential pressure. The element is granular with adhesive to hold the granular particles together but allow the shape to...
US20090101345 Liner Drilling System with Retrievable Bottom Hole Assembly  
A liner drilling system employs a bottom hole assembly that may be retrieved before reaching the total liner depth. The system includes an outer string made up of a liner and a profile nipple. An...
US20110278005 METHOD AND SYSTEM FOR TEMPORARILY LOCKING A TUBULAR  
There is provided a system and method for temporarily locking a wellhead component while cementing it in place within a mineral extraction system. As cement is pumped into the wellhead, its...
US20120205103 Cement Slurry Monitoring  
Various disclosed cement slurry monitoring methods include monitoring one or more parameter of the cement slurry at various positions along the borehole during the curing process and responsively...
US20130248182 MODULAR MANIFOLD OF A WELLSITE FLUID SYSTEM AND METHOD OF USING SAME  
A mobile manifold assembly of a fluid system for providing fluid to a wellsite during well construction. The fluid system includes auxiliary components including at least one fluid source, mixer...
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...
US20120000654 METHOD FOR STABILIZATION OF MINE VOIDS USING WASTE MATERIAL AND A BINDING AGENT  
A highwall mining borehole backfill composition utilizing waste glass and fly ash can be used as a backfill utilizing waste products that would normally have to be landfilled. The composition is a...
US20150060070 METHODS OF CEMENTING AND LASSENITE-CONTAINING CEMENT COMPOSITIONS  
Cement compositions and methods of making the same are provided. The composition comprises cement or lime, water and Lassenite, a pozzolanic strength retrogression inhibitor.
US20110308788 CONTROLLING WELL OPERATIONS BASED ON MONITORED PARAMETERS OF CEMENT HEALTH  
A method of controlling a well operation can include monitoring at least one parameter of cement lining a wellbore, the monitoring being performed via at least one optical waveguide, and modifying...
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...
US20110214863 SUPER SHOE SWELL PACKER  
System and methods for effectively and efficiently cementing a casing annulus are disclosed. A packer system includes an outer case, a landing collar within the outer case and a slidable shifting...
US20150090450 PERFORMING SIMULTANEOUS OPERATIONS ON MULTIPLE WELLBORE LOCATIONS USING A SINGLE MOBILE DRILLING RIG  
A system is disclosed that includes a drilling rig having a substructure, the drilling rig being adapted to be positioned above a plurality of wellbore location such that each of the plurality of...
US20150053405 ONE TRIP PERFORATING AND WASHING TOOL FOR PLUGGING AND ABANDONING WELLS  
A single trip method allows for perforation, cleaning the annular space around the perforations in an existing tubular and then delivering a sealing material through a combination tool that is...
US20130255947 INTERMEDIATE COMPLETION ASSEMBLY FOR ISOLATING LOWER COMPLETION  
A completion system, including a lower completion installed in a borehole proximate to a downhole formation. An intermediate completion assembly is included directly engaged with the lower...
US20140338908 CEMENTING WHIPSTOCK APPARATUS AND METHODS  
A system and method facilitate sidetracking by eliminating one or more trips downhole. A sidetracking system includes a whipstock assembly and a stinger assembly. The stinger assembly has a...
US20150176384 One Trip Multi-interval Plugging, Perforating and Fracking Method  
A one trip system for perforating and fracking multiple intervals uses a releasable barrier. The barrier can be an inflatable. A pressure booster system is associated with the BHA so that the...
US20120247766 GEOTHERMAL GROUT, METHODS OF MAKING GEOTHERMAL GROUT, AND METHODS OF USE  
The present disclosure relates to geothermal grout, methods of making geothermal grout, and methods of using geothermal grout. The present disclosure is further directed to an geothermal grout...
US20140138086 Apparatus and Methods For Releasing Drilling Rig and Blowout Preventer (BOP) Prior to Cement Bonding  
Apparatus and methods for managing cementing operations are provided. An example method includes connecting a cementing adapter atop a casing head itself positioned atop a surface casing landed...
US20130299169 One Trip Casing or Liner Directional Drilling With Expansion and Cementing  
A tubular string is advanced with a bottom hole assembly as the hole is drilled and reamed in a desired direction with the aid of directional drilling equipment adjacent the bit. When the advanced...
US20120073814 EXPANSION AGAINST CEMENT FOR ZONAL ISOLATION  
A method for improving zonal isolation between formations along a borehole, comprises a) providing a pipe in the borehole, wherein at least a portion of the pipe lies between the formations, b)...
US20130075089 METHOD AND SYSTEM FOR PROVIDING TEMPORARY FORMATION SEALANT  
A method and system for providing a temporary sealant within a wellbore of a subterranean formation is disclosed. According to one embodiment, the temporary sealant comprises a particulate...
US20120012315 LOW DENSITY CEMENTITIOUS COMPOSITIONS USING LIMESTONE  
A manufactured cementitious binder includes a hydraulic binder in an amount in the range of from 40 to 75% by weight of the cementitious binder; metakaolin in an amount in the range of from 1 to...
US20120199348 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...
US20130303411 Methods and Materials to Enhance High Temperature Rheology in Invert Emulsions  
An invert emulsion drilling fluid, and a method of drilling with such fluid, having improved rheology at low mud weights and high temperatures. The improved rheology is effected with addition of a...
US20100294496 LOW DENSITY CEMENTITIOUS COMPOSITIONS  
A manufactured cementitious binder including a hydraulic binder in an amount in the range of from about 40 to 75% by weight of the cementitious binder; metakaolin in an amount greater than about...
US20120160489 CEMENT SLURRY WITH LOW WATER-TO-CEMENT RATIO  
A cement slurry comprising a mixture of a cement blend and water, wherein the cement blend comprises at least about 70% by volume of blend of cementitious particulate material and water is present...
US20120012314 LOW DENSITY CEMENTITIOUS COMPOSITIONS USING LIME KILN DUST  
A manufactured cementitious binder including a hydraulic binder in an amount in the range of from about 40 to 75% by weight of the cementitious binder; metakaolin in an amount in the range of from...
US20140166284 COMPLETION SYSTEM FOR ACCOMODATING LARGER SCREEN ASSEMBLIES  
A completion system, including a tubular string initially having an substantially constant first dimension and configured to include at least one unexpanded portion having the first dimension and...
US20120255733 HYPER-FINE CEMENT  
A process for sealing or strengthening porous molded articles, rock or porous informations. The process comprises using hyper-fine cement having a particle size D50 of <1 μm as at least one of a...
US20130255946 METHOD FOR SINGLE TRIP FLUID ISOLATION  
A completion system for arrangement in a borehole including a lower completion, an upper completion string, and an intermediate assembly engaged between the lower completion and the upper...
US20130118752 MANAGED PRESSURE CEMENTING  
A method of cementing a tubular string in a wellbore includes: deploying the tubular string into the wellbore; pumping cement slurry into the tubular string; launching a cementing plug after...
US20140251613 Inflow Control Valve  
A valve and valve assembly are provided to allow opening of flow channels through the wall of a tubular by increasing and then decreasing pressure in the tubular. Slidable seals having different...
US20080251253 Method of cementing an off bottom liner  
A method of cementing an off bottom liner including the steps of establishing a first flow blockage in the liner at a location down-hole of a cementing valve located in the side wall of the liner,...
US20150252650 TIEBACK CEMENTING PLUG SYSTEM  
A method for casing a subsea wellbore includes running a tieback casing string into the subsea wellbore using a workstring including first, second, and third wiper plugs. The method further...
US20140374097 Wellbore Servicing Compositions and Methods of Making and Using Same  
A method of servicing a wellbore in a subterranean formation comprising preparing a wellbore servicing fluid comprising a sealant material, helical fibers and a base fluid, placing the wellbore...
US20120000655 METHODS AND APPARATUS FOR IMPROVED CEMENT PLUG PLACEMENT  
A method and apparatus for making real-time measurements of downhole properties during cement plug placement. A wired placement conduit is lowered downhole releasing a sensor package. The sensor...
US20110203794 Apparatus and Method for Cementing Liner  
A method of cementing a liner in a well includes mounting a valve assembly that is biased in a closed position to a running tool assembly. The running tool assembly has a stinger inserted through...
US20120145391 COMPOSITIONS AND METHODS FOR WELL COMPLETIONS  
Well-cementing compositions for use in high-pressure, high-temperature (HPHT) wells usually contain a complex array of cement additives, including retarders, dispersants and fluid-loss additives....
US20110036588 Systems and Methods for Running Casing Into Wells Drilled with Dual-Gradient Mud Systems  
Systems and methods for running and cementing casing into wells drilled with dual-gradient mud systems include running casing through a subsea wellhead connected to a marine riser, the casing...

Matches 1 - 50 out of 408 1 2 3 4 5 6 7 8 9 >