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WO/2021/226633A1 |
An electrical submersible well pump assembly (13) has shaft couplings (33). One of the couplings (33) has a lower hub (43) that rotates in unison with the motor shaft (22) and an upper hub (47) that rotates in unison with the pump shaft ...
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WO/2021/226219A1 |
A resource exploration and recovery system including a first system, and a second system extending into a wellbore. The second system includes a completion having a casing defining a wellbore internal diameter. Chemical injection tubing ...
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WO/2021/225448A1 |
A method of capturing C02 produced by an offshore hydrocarbon production facility (1) comprises generating electrical power and/or heat for use by the hydrocarbon production facility (1) at an offshore location, producing an exhaust gas ...
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WO/2021/225611A1 |
Aspects of the subject technology relate to systems and methods for controlling a hydraulic fracturing job. One or more perforations to create during a fracturing stage of a fracturing job at one or more corresponding perforation sites i...
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WO/2021/226209A1 |
A downhole tool and method of use. The downhole tool includes a stimulation sleeve receptive to a stimulation insert, and a production sleeve receptive to a production insert. A formation parameter of the reservoir is obtained. The tool ...
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WO/2021/221695A1 |
A method for determining properties of different cation exchange sites in a rock core sample, at a preserved state of the rock core sample may include providing a rock core sample (60) that includes a plurality of indigenous exchangeable...
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WO/2021/221541A1 |
A method for developing an oil field under flooding conditions includes pumping a working fluid into injection wells and withdrawing oil from producing wells, wherein from among the producing wells, at least one well is selected which is...
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WO/2021/219993A1 |
Gas and liquid velocities of fluid in a lift gas assisted well system are estimated by adding liquid and gas tracers downhole and monitoring their travel time over a known distance. Based on estimated velocities, a slip factor is obtaine...
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WO/2021/222900A1 |
An apparatus for perforating a subterranean formation comprises a first perforating gun (33b) having a box end (112) having a nose, a second perforating gun (33a) having a pin end (118) having a shoulder (124); and an alignment assembly....
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WO/2021/217262A1 |
A feeding device is used between (i) a downstream hydraulic fracturing blender unit having an intake hopper for receiving a proppant and a material conveyor feeding the proppant from the intake hopper to a mixing vessel of the blender un...
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WO/2021/220046A1 |
This application relates to systems and methods for stimulating hydrocarbon bearing formations using a downhole laser tool. An example laser perforation tool is for perforating a wellbore in a downhole environment within a hydrocarbon be...
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WO/2021/222728A1 |
A perforating gun (30), system and method is provided. The perforating gun includes a body (34), a plurality of shaped charges (42), at least one initial propellant (46) and may include an actuating mechanism (54). The plurality of shape...
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WO/2021/220040A1 |
An apparatus and method for extracting sand from an underground sandstone formation. The apparatus comprising: a conduit having an upper end and a lower end to engage a sandstone formation, a gas injection line to inject gas at an inject...
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WO/2021/221513A1 |
A method and apparatus for sealing a well conduit includes moving a plugging tool (21) to a first position in the well conduit, the plugging tool (21) comprising a perforating tool (12) and a hollow mandrel (8) with a heater (8) inside a...
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WO/2021/222608A1 |
Provide are techniques for developing a hydrocarbon reservoir that include identifying a number of wells that can be drilled at a given point in time, providing corresponding parameters to a reservoir simulation process, and when the sim...
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WO/2021/218590A1 |
An electric fracturing operation system, comprising a water storage device, a fracturing device, a blending device and a sand mixing device, wherein the water storage device is a flexible water tank; the flexible water tank is connected ...
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WO/2021/221696A1 |
The disclosed embodiments include pressure-activated firing heads, perforating gun assemblies, and methods to set off a downhole explosion. A pressure-activated firing head includes a first chamber and a second chamber having an energy s...
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WO/2021/222440A1 |
A fracturing fluid delivery system having a fracturing line with a flexible liner is provided. In one embodiment, a method includes moving a flexible polymeric liner through a bore of a fracturing line to a position in which the flexible...
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WO/2020/219629A9 |
Stimulation treatments are designed and performed in a manner that takes into account radial acid flow into the formation. A reservoir core plug is selected and a liner core flow test is performed. The core flow test comprises measuring ...
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WO/2021/163656A9 |
A method and apparatus for controlling a perforating tool string using a perforating unit with a control board and shooting power supply. An embodiment includes a control system for controlling an initiator in a perforating gun string co...
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WO/2021/217064A1 |
Provided are embodiments for obtaining time series datasets, determining resolution and section layout for a multi-layer encoded data image, determining, based on the image resolution and the section layout, a section resolution, generat...
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WO/2021/216945A1 |
Fracturing systems with frac valves having gates for controlling flow of fracturing fluid are provided. In one embodiment, a fracturing apparatus includes a frac valve having a housing with a cavity transverse to a bore. A gate is positi...
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WO/2021/216502A1 |
Methods and systems for determining risk of pipe deformation in a hydraulic fracturing operation include receiving a plurality of parameters pertaining to the well operation from a plurality of wells, developing a relationship between th...
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WO/2021/216213A1 |
A gravel pack assembly for a borehole has first and second joints and a foil. The basepipes of the joints connect end-to-end, and both of the basepipes having filters for filtering fluid passage from a borehole into bores of the basepipe...
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WO/2021/217182A1 |
A well annulus pressure control system includes a reservoir in fluid communication with a well annulus, a control valve disposed on a fluid coupling between the reservoir and well annulus, a sensor disposed in the well annulus that detec...
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WO/2021/212902A1 |
A method for enhancing the reservoir stability in a hydrate exploitation process, which belongs to the field of natural gas hydrate exploitation, based on the reservoir characteristic of the argillaceous silty sand hydrate in the Shenhu ...
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WO/2021/216086A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat slop water recovered. In some embodiments, the systems include: a treatment unit including an inlet for receiving a slop water stream i...
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WO/2021/213701A1 |
The present invention relates to a subsea PLET (1) with an upstream flow jumper connection (20). The PLET includes a bypass valve (27) and a valve (26) of each of a pump inlet and a pump outlet, each in fluid connection with a pipeline (...
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WO/2021/216117A1 |
Methods for performing a hydraulic fracturing operation are provided. The methods include pumping a hydraulic fracturing fluid through a wellbore into a subsurface formation, in which the hydraulic fracturing fluid comprises a plurality ...
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WO/2021/216093A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat various fluids including, but not limited to, fracturing fluids and drilling muds recovered at a rig site. In some embodiments, the sys...
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WO/2021/216861A1 |
A system for diverting fluid in a borehole string includes an object configured to be deployed in the borehole string. The borehole string includes a plurality of fluid ports defining a plurality of zones along a length of the borehole s...
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WO/2021/214655A1 |
A method of vertically transporting emulsion explosive includes, using a pump, pumping a predetermined volume of emulsion explosive, from an emulsion explosive reservoir, into a vertically extending pipe, wherein pumping is effected airt...
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WO/2021/211664A1 |
A system includes an outer completion string, an inner service string configured to connect within the outer completion string, and an upper completion. The outer completion string includes at least one isolation packer, a sand control a...
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WO/2021/212109A1 |
A motor lead (31) for an electrical submersible well pump motor (17) has three insulated conductors (35) wrapped with a metal armor (41). A power connector (33) has a housing (43) with an upper opening (45) into which the motor lead (31)...
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WO/2021/209172A1 |
The present invention discloses a scalable modular fluid separation system at least comprising: a) a subsea separator (102, 302, 402, 403) with an inlet for receiving well fluids from a separator inlet stream (104); b) a gas stream (105)...
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WO/2021/209171A1 |
The present invention relates to a closed loop subsea cooling system with a subsea cooler. An coolant pump assembly (2) is located in a dedicated, sealed, gas filled, coolant pump housing (8a) in coolant fluid connection with the at leas...
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WO/2021/211110A1 |
A method, comprising contacting a proppant, water, and a water external emulsion to form a mixture, wherein the water external emulsion has an organic internal phase comprising a surface modifying agent; contacting the mixture with an em...
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WO/2021/209148A1 |
The present invention relates to a device and a process for making aqueous injection fluids for recovering crude oil from subterranean, oil-bearing formations, comprising water-soluble polymers, preferably polyacrylamides, by mixing an a...
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WO/2021/209754A1 |
The invention provides a subsea oil and gas production installation, methods of installing the installation and methods of use. The installation comprises a subsea production system comprising a first production pipeline and a second pro...
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WO/2021/211818A1 |
A downhole ignition assembly is described herein. The downhole ignition assembly has a switch container having a longitudinal axis, the switch container having a first portion that accommodates a switch circuit in an orientation transver...
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WO/2021/212141A1 |
Embodiments of the disclosure provide an asymmetrically functionalized nanoparticle and a method for synthesizing the same. The asymmetrically functionalized nanoparticle includes a base nanoparticle. The base nanoparticle can include si...
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WO/2021/211686A1 |
A system for managing a loss circulation zone in a subterranean well includes a tool housing (36) located on a surface of a tubular member with a tool cavity (40), an electromechanical system is located within the tool cavity (40) and ha...
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WO/2021/211143A1 |
Systems, methods, and apparatuses of the present disclosure generally relate to dissolvable plugs for separating fluids in a wellbore. A dissolvable plug includes a first end comprising a first fluid barrier. The first fluid barrier incl...
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WO/2021/210988A1 |
There is described the processing seawater in a subsea facility on the seabed in various methods and apparatus. In various examples, the facility is coupled to at least one well, is configured to provide the well with water to be injecte...
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WO/2021/209150A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid with an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble pol...
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WO/2021/212105A1 |
An electrical submersible well pump assembly (13) has a spring brake (61) having helical turns (63) mounted between the shaft (60) and one of the housings (57). The spring brake (61) allows free rotation of the shaft (60) in a driving di...
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WO/2021/209149A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid and an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble poly...
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WO/2021/211111A1 |
A method of treating aqueous wellbore fluids, comprising (a) converting one or more multivalent cations in a multivalent cation-containing aqueous fluid to form a mixture comprising one or more insoluble compounds and a treated aqueous f...
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WO/2021/212107A1 |
An electrical power connector (21) for an electrical submersible well pump motor (15) has a housing (26) having a bore. A pair of rigid insulators (41, 43) are within the bore of the housing (26), each of the insulators (41, 43) having a...
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WO/2021/211148A1 |
A first sand accumulator may include a housing and an insert within the housing. The insert includes axially aligned outer and inner sleeves. In a first position, the outer and inner sleeves both have large flow ports that align to form ...
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