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8851182 Wellhead hanger shoulder  
A well production system including a wellhead and a first casing string supported from a first casing hanger landed on a shoulder in the wellhead bore. A loading shoulder assembly is installable in...
8851162 Sucker rod apparatus and method  
The present disclosure relates to a fiberglass rod with connectors on each end. Each connector has a rod-receiving receptacle having an open end, a closed end, and axially spaced annular wedge...
8851165 Compact cable suspended pumping system for lubricator deployment  
A pumping system includes a submersible high speed electric motor operable to rotate a drive shaft; a high speed pump rotationally connected to the drive shaft and including a rotor having one or...
8851172 High strength, low density metal matrix composite ball sealer  
High strength, low density ball sealer for sealing openings in oil or gas wells, such as perforations formed through the well casing or openings formed through slidable packers or sleeves received...
8851202 Method and device for transporting pipestringsections between a storage unit and a drill rig  
A method and a device for transporting pipe string sections (2) between a storage unit (1) wherein the longitudinal axes of the pipe string sections are arranged horizontally and a position of use...
8851183 Casing hanger lockdown slip ring  
A seal seals an annulus in a subsea assembly between a wellhead and a casing hanger landed on a shoulder within a bore of the wellhead. The seal includes a casing hanger seal ring disposed within...
8850706 Method of manufacturing a well screen  
An expanded non-bonded mesh well screen. A method of manufacturing a well screen includes the steps of: expanding at least a portion of a screen jacket; and then securing the screen jacket onto a...
8851192 Method and apparatus for forming a tubular conduit  
A method of forming a tubular conduit in a borehole, wherein the borehole is closed by means of a pressure barrier capable of sustaining a borehole pressure and having at least one pressure...
8851171 Screen assembly  
An apparatus that is usable with a well includes a string and a screen assembly, which is adapted to be run downhole on the string. The screen assembly includes a tubular carrier and a container....
8851181 Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore  
A method for removing a fluid influx from a subsea wellbore drilled using a pump to return fluid from the wellbore to the surface. The method includes detecting the influx when a rate of the return...
8851161 Cross-communication between electronic circuits and electrical devices in well tools  
A well tool can include multiple electrical devices and multiple electronic circuits which control operation of the respective electrical devices, each electronic circuit including a respective...
8851177 In-situ kerogen conversion and oxidant regeneration  
The invention relates to methods for extracting a kerogen-based product from subsurface shale formations. The methods utilize in-situ reactions of kerogen involving liquid phase chemistry at...
8851860 Adaptive control of an oil or gas well surface-mounted hydraulic pumping system and method  
The disclosed invention provides intelligent adaptive control for optimization of production output, energy efficiency and safety of a linear reciprocating long stroke hydraulic lift system, for...
8844615 Oilfield material delivery mechanism  
A mechanism for pressurized delivery of material into a well without exposure to a high pressure pump. The mechanism may include material delivery equipment that is coupled to the high pressure...
8844620 Side-tracking system and related methods  
A sidetracking tool includes a setting tool having an expandable anchor, a whipstock connected to an upper end of the setting tool, the whipstock having a ramp face along an axial length thereof,...
8844633 Method for maintaining wellbore pressure  
A method for maintaining wellbore pressure includes reducing flow rate of a drilling fluid pump fluidly connected to a drill pipe in the wellbore. Flow out of the well is enabled into a first...
8844898 Blowout preventer with ram socketing  
A blowout preventer and seal structure for a blowout preventer, the seal structure having a the body with two front faces including a first face and a second face, a projection projecting out from...
8844652 Interlocking low profile rotating control device  
A system and method is provided for a low profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The...
8844637 Treatment system for multiple zones  
A technique provides a system and methodology for treating a plurality of zones, e.g. well zones. A plurality of flow control devices is located along a tubular structure, such as a well string in...
8844619 Debris chamber with helical flow path for enhanced subterranean debris removal  
A subterranean debris catcher swirls the incoming debris laden stream by putting grooves or spiral projections on the inside of the inlet pipe. The solids come out of openings in the side of the...
8844617 Annular blowout container (ABOC)  
An annular blowout container (ABOC) that may be used in multiples in a stack in conjunction with additional gate and shear valves to protect a wellhead. The ABOC incorporates a cylindrical formed...
8844653 Continuous circulating sub for drill strings  
A system and method for maintaining continuous flow through a drill string during drill pipe connection includes establishing drilling fluid flow axially through the length of a tubular sub...
8844632 Inertia transition pipe element, in particular for restraining a rigid undersea pipe  
An inertia transition terminal pipe element having a main rigid pipe element including at one of its ends an inertia transition piece that is constituted by at least one and preferably a plurality...
8844850 Dynamic self-cleaning downhole debris reducer  
A debris reducer for reducing debris within a fluid flow line having a lower screen that is secured within the flow line, the lower screen having a lower screen cage with a lower cutting portion. A...
8844639 Pentane-hexane solvent in situ recovery of heavy oil  
An integrated thermal recovery process using a solvent of a pentane or hexane or both as an additive to, or sole component of, a gravity-dominated process for recovering bitumen or heavy oil from a...
8844613 Shear blade and method of attachment to shear rams  
A shear blade attached to a ram block. At least one bolt passage is formed at an angle at the top of the ram block. A bolt passage is formed in the shear blade that corresponds with the bolt...
8846584 Methods of preparing degradable materials  
Methods of creating degradable particulates in a subterranean environment. The methods provide a degradable material supercritical fluid mixture that comprises degradable material into a wellbore...
8844623 Method and system for one-trip hanger installation  
There is provided a system and method for installing a wellhead component in a single trip. Generally, a wellhead component may be run into a wellhead using a running tool. The running tool may...
8844629 Method of fracturing using alkaliphile derived enzyme breaker  
Methods and compositions of fracturing formations are provided. The fracturing fluid includes an enzyme breaker that decreases the viscosity of the fracturing fluid over time. The enzyme breaker...
8844616 Method for withdrawal and insertion of a drill pipe string in a borehole and also a device for use when practicing the method  
A device for tripping, in which, at a drill-floor opening which is arranged to receive a pipe string, two or more cooperating pipe-handling units are arranged, each, independently of the other(s)...
8844624 Rigid centralizer  
Embodiments of the disclosure provide a rigid centralizer having at least one annular band with radially extending embossed flutes spaced around an outer surface of the at least one annular band...
8844631 Debris removal system for downhole closure mechanism, and method thereof  
A debris removal system includes a tubular. A closure mechanism arranged to at least partially close an interior of the tubular. An injector mechanism having an exit arranged downhole of the...
8844635 Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods  
Expandable apparatus include a triggering element comprising an at least partially corrodible composite material. Methods are used to trigger expandable apparatus using such a triggering element...
8847711 RF coaxial transmission line having a two-piece rigid outer conductor for a wellbore and related methods  
A rigid radio frequency (RF) coaxial transmission line to be positioned within a wellbore in a subterranean formation may include a series of rigid coaxial sections coupled together in end-to-end...
8844622 Wellbore cleaning method and apparatus  
A method of drilling and cleaning a wellbore includes providing a drill string having a drill bit and a cleaning tool with selectively activatable cleaning members; drilling a wellbore using the...
8844625 Perforating gun spacer  
Perforating gun connectors are provided with a small diameter inner tube to house the detonating cord and an outer load-bearing tube that is ported to be in pressure balance. The inner tube...
8844627 Intelligent well system and method  
An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect,...
8844626 Method and apparatus for autonomous oil and gas well down-hole pump leakage testing  
A method for autonomous testing of traveling valve assembly leakage and standing valve leakage for an oil or gas rod pumped well installation, and for autonomous adjustment of one or more pump...
8844552 Slug mitigation  
Method and apparatus for mitigating slug formation in a multiphase fluid stream flowing through a conduit. The method includes (a) determining the pressure in the conduit upstream of a slugging...
8844638 Tool for removing wellhead components  
A tool (10) for installing and removing a valve removal plug (60) from wellhead components, the tool comprising a curved pressure containing housing (11) having a first and a second end (12, 13),...
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...