Sign up


Match Document Document Title
8844654 Instrumented drill string element  
A drill string element including an elongate tubular body delimiting an interior surface longitudinally including at least one portion of revolution and including a first hole provided in the...
8844636 Hydraulic assist deployment system for artificial lift systems  
A well conveyance system couples to an uphole end of an artificial lift system and operates to push the artificial lift system through a tubing string for deployment in a wellbore. The well...
8844621 Hydraulic well packer  
A retrievable well packer for downhole operations, comprising an upper mandrel and a lower mandrel connected through a quick threaded connection, a hydraulic actuating assembly for downwardly...
8844634 Circulation sub with indexing mechanism  
A downhole circulation sub or valve includes a tubular housing with an outer port and a valve piston slidably disposed in the housing. A primary fluid flow path extends through an inner flow bore...
8849582 Offline analyzer system and method for multivariate characterization of properties in crude and heavy hydrocarbon oils  
A method and apparatus is provided for off-line concentration determination of components liquid hydrocarbon mixtures such as crude or heavy oil. A sampling unit continuously delivers a sample...
8844651 Three dimensional fluidic jet control  
A method of controlling a fluid jet can include discharging fluid through an outlet of a jetting device, thereby causing the fluid jet to be flowed in multiple non-coplanar directions, and the...
8844618 Smart drop-off tool and hang-off tool for a logging string  
A hang-off tool for supporting a tool inside a tubular member includes a logging string configured to generate logging data, a computing system coupled to the logging string and configured to...
8844630 Adjustable engagement system for tool removal and method of use  
A retrieval tool and method for retrieving a remote tool with a threaded connection from a remote location. The retrieval tool includes a rotational drive member which rotates an attachment sub...
8844628 Self-adaptive cements  
A self-adaptive cement formulation includes cement, water and asphaltite-mineral particles. The set cement demonstrates self-healing properties when exposed to methane, and is particularly suited...
8844614 Tangential perforation system  
A method to separate a gas phase from a liquid phase in a subterranean formation that includes positioning a downhole tool in a wellbore, operating the downhole tool to form perforations in the...
8839866 Solids free sealing fluid  
Providing a solution of at least one salt capable of reacting with a set cement to form a solid phase comprising a precipitate or an expanded phase of the cement; contacting a region of the set...
8841240 Enhancing drag reduction properties of slick water systems  
Novel slick water fracturing fluid compositions are disclosed, where the compositions including with slick water fracturing compositions including a partially hydrolyzed polyacrylamide polymer...
8839852 Excavator  
An excavator is provided, in which the excavator includes a head that is slidably mounted on a leader, and a position fixture assembly slidable along the leader via the head. The position fixture...
8839874 Packing element backup system  
Downhole tool packing element systems comprise a sealing element having a support system. The support system can include one or more of a first spacer ring, a second spacer ring, a third spacer...
8839865 Slip-layer fluid placement  
A method of fluid placement in a hydraulic fracture created in a subterranean formation penetrated by a wellbore that comprises the use of one or more reactants that form a low friction layer...
8839854 Top drive systems for wellbore and drilling operations  
A top drive system for wellbore operations and method for facilitating rotation thereof. The system includes a main body and a motor, preferably a salient pole motor. A motor shaft extends from the...
8839853 Mud bucket system  
A drilling mud collection apparatus for containing a drill pipe connection so as to collect and drain drilling fluid, mud or the like draining from a length of tubing as it is removed from the...
8839856 Electromagnetic wave treatment method and promoter  
A method involving exposing a substance to a promoter, the promoter being made from a liquid carrier and a metal salt component, the metal salt component, having at least (i) a magnetic...
8839870 Apparatus and methods for running liners in extended reach wells  
A method of lining a wellbore includes deploying the liner into the wellbore using a workstring and a setting tool. The method further includes engaging the setting tool with a casing or liner...
8839859 Water absorbing polymers for treatment of brines and water-based drilling fluids  
A method for removing water from a wellbore fluid may include the steps of contacting a wellbore fluid with a water absorbing polymer, where the wellbore fluid includes an aqueous fluid, allowing...
8839864 Casing cutter  
Tools and methods for cutting multiple, co-extending casings in oil and gas wells. The tools comprise a cylindrical body and first and second sets of cutting blades. Each set of cutting blades is...
8839875 Method and apparatus for sequestering CO2 gas and releasing natural gas from coal and gas shale formations  
A system for sequestering CO2 gas and releasing natural gas from underground coal and/or gas shale formations using CO2 gas captured from the flue gas of a coal burning power plant, and processing...
8839862 Method of stabilising a blasthole  
A method of stabilizing a blasthole prior to detonation which comprises the step of coating the inner wall of the blasthole with a stabilizing composition. In one embodiment, the invention...
8839871 Well tools operable via thermal expansion resulting from reactive materials  
Methods of actuating a well tool can include releasing chemical energy from at least one portion of a reactive material, thermally expanding a substance in response to the released chemical energy,...
8839883 Piston tractor system for use in subterranean wells  
A piston tractor system can include at least two piston assemblies which sealingly engage a wellbore, and a pump which transfers fluid between an annulus isolated between the piston assemblies, and...
8839857 Geothermal energy production  
A method of geothermal energy production can include injecting water into a formation, and then automatically decreasing resistance to flow through at least one valve in response to the water...
8839860 In-situ Kerogen conversion and product isolation  
The invention relates to methods for extracting a kerogen-based product from subsurface (oil) shale formations. These methods rely on chemically modifying the shale-bound kerogen using a chemical...
8839867 Integral fracturing manifold  
A fracturing system can include an integral fracturing manifold. More particularly, a fracturing system can include a plurality of fracturing trees and an integral fracturing manifold may be...
8840803 Thermally conductive nanocomposition and method of making the same  
A nanocomposite fluid includes a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive. A method of making the...
8839868 Subsea control system with interchangeable mandrel  
A technique enables protection of subsea wells. The technique employs a subsea test tree designed to ensure control over the well in a variety of situations. The subsea test tree is formed with at...
8839861 Systems and methods for providing zonal isolation in wells  
Systems and methods for providing zonal isolation in a hydrocarbon well include or utilize a tubular assembly having an upstream manifold, a gravel packing conduit, a transport conduit, a leak-off...
8839873 Isolation of zones for fracturing using removable plugs  
An interval can be divided into zones by inserting a series of plugs that register with specific profiles at predetermined intervals along a section of pipe. Each plug supports a releasable...
8839880 Subsea drilling with casing  
A method of forming a wellbore includes providing a drilling assembly comprising one or more lengths of casing and an axially retracting assembly having a first tubular; a second tubular at least...
8839872 Tree plug  
A plug for sealing a conduit. The plug comprises a housing, a setting member, at least one anchor and at least one seal element. Rotation of the setting member with respect to the housing in a...
8839850 Active integrated completion installation system and method  
An installation system and method configured to install a lower completion section is provided. The installation system may comprise an installation drill pipe configured to releasably couple with...
8839849 Water sensitive variable counterweight device driven by osmosis  
A method for producing fluid from a subterranean formation includes configuring a body to at least partially fill with a selected fluid; and actuating a flow restriction element using the body. The...
8841241 Anionic polyalkoxy group comprising surfactants on basis of guerbet-alcohols, method of manufacture and use in enhanced oil recovery (EOR) applications  
Compositions and methods of synthesis of anionic surfactants by alkoxylation of a Guerbet alcohol (GA) having 12 to 36 carbon atoms using butylene oxide, and optionally propylene oxide and/or...
8839855 Modular changeable fractionation plug  
A modular changeable fractionation plug for use in a wellbore with a crown engagement and a plug receiving end formed on a mandrel which is adapted to be a caged ball configuration, a drop ball...
8839869 Composite reconfigurable tool  
A downhole tool for use in a well is configurable as a frac plug, a caged ball frac plug or a bridge plug. The tool has a mandrel with a threaded neck. The mandrel has an expandable sealing element...
8839858 Drilling wells in compartmentalized reservoirs  
Method of drilling a well, including one method comprising determining a first value indicative of a relative position of a geological bed boundary with respect to a drilling assembly, determining...
8839884 Direct modular top drive with pipe handler module and methods  
A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox...
8839851 Controlled apperture ball drop  
A controlled aperture ball drop includes a ball cartridge that is mounted to a frac head or a high pressure fluid conduit. The ball cartridge houses a ball rail having a bottom end that forms an...
8839863 High pressure/deep water perforating system  
A perforating system having a perforating gun with a gun body formed from a ductile material. The gun body deforms under pressure while maintaining sufficient structural integrity to remain intact...
8833462 Method and system for installing subsea well trees  
The disclosure provides a method and system of installing subsea well trees, comprising: creating a glory hole having a depth below a seabed at a well location of a hydrocarbon reservoir; moving a...
8833469 Method of and apparatus for completing a well  
A completion apparatus (4) for completing a wellbore comprises a) a tool to alternatively open and close a throughbore (15) of the completion; b) a tool (13) to alternatively open and close an...
8833154 Tracer identification of downhole tool actuation  
A technique provides a system and method utilizing a well system having a plurality of tools with actuatable components. The well system also comprises tracer elements which are unique with respect...
8833447 Separating device for tubular flow-through devices  
The invention relates to a separating device for tubular flow-through devices (22) which serve for the extraction of liquids or gases from wells drilled in rock or deep wells, the separating device...
8833461 Expandable solid load ring for casing hanger  
A subsea wellhead assembly includes a housing with a bore. A hanger is lowered into the housing, the hanger having at least one downward facing load shoulder. An expandable load ring is carried on...
8833453 Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness  
A first conductor is positioned in the substantially horizontal or inclined portion of a first wellbore. The first conductor includes electrically conductive material. A portion of the first...
8833446 Composite bow centralizer  
A centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of...