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8689884 Mud pulse telemetry system  
A mud pulser tool to be positioned into a downhole environment is disclosed. The mud pulser tool includes a control valve that is selectively opened to allow fluid to flow through the mud pulser...
8689863 External grip tubular running tool  
A method for running a tubular string in wellbore operations according to one or more aspects of the present disclosure includes providing a tubular running tool comprising gripping assembly...
8689868 Tractor communication/control and select fire perforating switch simulations  
Apparatus and methods for controlling and communicating with one or more tools in a downhole tool string including a tractor, an auxiliary tractor tool, a logging tool, a safety sub, a release...
8691735 Method of fracturing using boron crosslinkers  
Fracturing fluid compositions and methods of fracturing subterranean formations using polyboronic compounds as crosslinking agents are provided. The compositions and methods of the present...
8692989 Method for hydrocarbon well completion  
A method of completing a hydrocarbon lateral well in a target shale formation. The method uses a data log generated from an optical flow cell assembly to identify areas in the lateral well of high...
8691736 Swellable polymer with cationic sites  
The invention is directed to long lasting crosslinked water-soluble swellable polymers, methods for making same, and their uses. More particularly, the invention relates to a composition comprising...
8689874 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...
8689887 Methods of operating a radial flow valve  
A radial flow valve is disclosed which includes a plurality of flow openings, a first piston and a second piston, the first and second pistons being independently actuable relative to one another,...
8689904 Detection of gas influx into a wellbore  
An influx of gas into a borehole can be detected by deploying a string of acoustic sensors along a drill string or other conduit to monitor an acoustic characteristic, such as velocity or...
8689893 Check valve  
The present invention provides a check valve comprising a valve housing (1,2), a substantially circular flapper (3), a valve seat (16) for the flapper (3), an expandable chamber (11) in fluid...
8689875 Formation treatment using electromagnetic radiation  
Treating a subterranean formation includes injecting a magnetically permeable material into the formation and energizing the magnetically permeable material using electromagnetic radiation. The...
8689885 Bi-directional flapper/sealing mechanism and technique  
An isolation valve can include a pivot connecting a closure member to an actuator member which displaces when the isolation valve is actuated between open and closed configurations, whereby the...
8689882 Flexible hang-off arrangement for a catenary riser  
Flexible hang-off arrangement is provided for a catenary riser suspended from an offshore or inshore platform, which includes floating or fixed platforms, vessels or/and buoys. The bending loads in...
8689872 Methods and compositions for controlling formation fines and reducing proppant flow-back  
Provided herein are methods for controlling the migration of particulates within a portion of a subterranean formation that comprise aqueous tackifying treatment fluids, curable resin compositions,...
8689878 Junk basket with self clean assembly and methods of using same  
A downhole tool for removing debris from fluid flowing through the downhole tool uses a screen member and wiper member, the wiper member having at least one window disposed through the inner and...
8689862 Tube/pipe spooling device  
A reel assembly for supplying a continuous composite tubing of a type used in oilfield operations, which reel assembly comprises a stand onto which a spool of continuous composite tubing is lowered...
8689873 Compositions and methods for improving the toughness of set cements  
The toughness of set cement may be enhanced by incorporating partially cured waterborne resins in the cement matrix. A hardening agent is added to the waterborne resin, and the mixture is allowed...
8689870 Use of methylhydroxyethyl cellulose as cement additive  
Methylhydroxyethyl cellulose may be used as an additive in cement slurries in the treatment of wells to prevent or reduce the occurrence of gas channeling. In addition to acting as a gas control...
8689881 Offshore unit and method of installing wellhead platform using the offshore unit  
An offshore unit includes a hull and/or a deck frame, a mat attached to at least one connecting leg or a spud can attached to each of at least one connecting leg or lower hull attached to at least...
8689888 Method and apparatus for positioning a wellhead member including an overpull indicator  
An outer wellhead member has a bore with a first profile portion and an annular recess. A tubular inner wellhead member with a centralizer/overpull ring is lowered into the outer wellhead member....
8689866 Automated systems and methods for make-up and break-out of tubulars  
An automated tubular handling system adapted to make-up or break-out tubulars that includes a rotary drive adapted to operatively grip a tubular to be connected to or disconnected from a tubular...
8689869 Method for providing thixotrophy to fluids downhole  
An encapsulated thixotropy agent may be added to aqueous well service fluids. Such fluids include drilling fluids, cement slurries and polymer pills. The well service fluid may be subjected to...
8689834 System and method for capping a high pressure line  
An expandable cap system includes a guide line having a pump at one end and an expandable cap device at the other end. The guide line acts to supply a material capable of creating a plug at one end...
8689877 Downhole tool  
A cleaning tool (1) for use in cleaning ferrous material from a wellbore has a magnetic cleaning element (14) mounted to a tool body (2) within a slot (5) using a releasable concealed interference...
8692668 Network based system for predicting landslides and providing early warnings  
A wireless node for monitoring landslide conditions has at least one tubular probe body deployed in a borehole in a landslide prone area and anchored to rock below soil, multiple sensors carried by...
8689876 Liquified petroleum gas fracturing system  
A fracturing system for a well, in which a stream of LPG, a mixture of propane and butane, is injected into the well at frac pressure. Proppant is supplied into the LPG stream, and carried by the...
8689894 Method and composition for zonal isolation of a well  
The invention provides a system comprising: a tubular containing a first surface comprising a coating made of a first swellable material coating said first surface, wherein said coating has a...
8685902 Proppant, proppant production method and use of proppant  
The invention relates to the area of oil and gas production (especially, to the production in which the propping technique is used for the stimulation of a well) and can be used in the development...
8684090 Slip connection with adjustable pre-tensioning  
A telescopic riser section device for a riser which is arranged to connect a wellhead to a surface vessel, the telescopic riser section being placed between the wellhead and the riser and being...
8684074 Work string mounted cleaning tool and assembly method  
Work string-mounted cleaning tool and a method of assembling such tools using a quick release for the cleaning element. Oblong pad element has a curved upper surface with slots to receive work...
8685903 Lost circulation compositions and associated methods  
An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition...
8684088 Shear laser module and method of retrofitting and use  
There is provided a high power shear laser module, which can be readily included in a blowout preventer stack. The shear laser module as the capability of delivering high power laser energy to a...
8684089 Method and system for circulating fluid in a subsea intervention stack  
The present invention relates to a fluid circulation system for circulating fluid in a subsea cavity, the cavity being filled with a first fluid and having first and second end ports. The system...
8685901 Wellbore servicing compositions and methods of using same  
A method of servicing a wellbore in contact with a subterranean formation, comprising placing into a wellbore a composition comprising a calcium aluminate cement and a polyvalent cation-containing...
8684100 Electrically engaged, hydraulically set downhole devices  
A method of performing a wellbore operation is disclosed. A device is provided that includes a material that expands from an original shape to an expanded shape when a selected charge is applied to...
8684082 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...
8684073 Device for injection and stimulation of fluids in a well bore  
Present invention regards a device for injection and stimulation of fluids in a wellbore, where the device is typically is installed in Christmas trees, wellheads or subsea. The device comprises...
8684092 System and method for providing additional blowout preventer control redundancy  
An apparatus to allow backup or alternate fluid flow routes around malfunctioning BOP control components using a remotely installed removable hydraulic hose connection. The backup fluid flow route...
8684072 Downhole gas generator  
A gas generator has an elongate combustion housing shaped to fit within a borehole for generating gasses in the borehole for use in the recovery of petroleum products. The gas generator includes a...
8684096 Anchor assembly and method of installing anchors  
Anchor assemblies for installation within an existing conduit. The anchor assemblies have a nondeformable mandrel, an expandable metal sleeve, and a swage. The expandable metal sleeve is carried on...
8684080 Use of surfactant mixtures of polycarboxylates for microemulsion flooding  
The present invention relates to processes for tertiary mineral oil production with the aid of a surfactant mixture and to the use of a surfactant mixture for tertiary mineral oil production by...
8684083 Perforating gun with rotatable charge tube  
A perforating gun designed to orient a charge holding structure (e.g., tube, solid rod) within a barrel of the perforating gun to be at the same position relative to a wellbore casing regardless of...
8684075 Sand screen, expandable screen and method of making  
An expandable screen includes, a body constructed of one or more strands of a shape memory material randomly distributed in a mat structure, the body is stable at a first volume and expandable to a...
8684095 Geothermal pipe setting tool  
A pipe setting tool includes a tool shaft, a coupler mounted on a first end of the tool shaft, and a tool sleeve affixed to the tool shaft defining a space therebetween. An outside diameter of the...
8683848 Oil well tubing pressure testing system and method of use  
An improved hydrotest testing system comprises a safety stop which prevents the testing tools from being blown out of the top of the tubing string. The safety stop is made up into the upward facing...
8684078 System and method for controlling fluid pumps to achieve desired levels  
A system for attaining and maintaining a pre-determined fluid level in a petroleum-producing well having a pump, such as a progressive-cavity pump, and a pump motor having a variable-frequency...
8684077 Watercut sensor using reactive media to estimate a parameter of a fluid flowing in a conduit  
An apparatus for estimating a parameter of interest includes a conduit and a reactive media in the conduit. The reactive media interacts with a selected fluid component to control a flow parameter...
8684084 Method and apparatus for selective down hole fluid communication  
Methods and apparatus for perforating a formation in a wellbore without perforating a well bore casing. The methods and apparatus include an external casing perforating device configured so as not...
8684079 Use of a solvent and emulsion for in situ oil recovery  
Described is a way to reduce solvent usage in solvent-dominated oil recovery processes through the use of an emulsion. Injection of an emulsion into an oil reservoir is performed as an alternative...
8684094 Preventing flow of undesired fluid through a variable flow resistance system in a well  
A flow control system for use with a subterranean well can include a flow chamber through which a fluid composition flows, and a closure device which is biased toward a closed position in which the...