| Document |
Document Title |
|
WO/2024/081004A1 |
A washpipe free feature may include a housing defining a chamber having a bypass portion and a securing portion. The housing has first and second bores to put the bypass portion in fluid communication with an annulus of a wellbore and a ...
|
|
WO/2024/073472A1 |
The present disclosure includes a cleaning system for cleaning clean a tubing, casing, or components of an oil well. In some aspects the cleaning system includes a washing tool having a body configured for insertion into a component of a...
|
|
WO/2024/072469A1 |
In some embodiments, a downhole logging tool configured for placement in a wellbore comprises a first magnet configured to activate a first volume of ferromagnetic fluid disposed between the downhole logging tool and the wellbore to achi...
|
|
WO/2024/073701A1 |
Methods and systems for managing hydrate formation in a hydrocarbon stream. The methods and systems include injecting into the hydrocarbon stream a thermodynamic hydrate inhibitor and a kinetic hydrate inhibitor. Addition of the kinetic ...
|
|
WO/2024/044441A1 |
Method of cleaning sucker rods using a portable cleaning tool containing a rotating brush assembly to remove scale and corrosion residue on the sucker rods is described herein. The brush is annular with an empty or hollow center, such th...
|
|
WO/2024/035758A1 |
Systems and methods presented herein facilitate coiled tubing cleanout operations, and generally relate to estimating reservoir pressure prior to the coiled tubing cleanout operations (e.g., while the wellbore is shut-in). For example, a...
|
|
WO/2024/030389A1 |
In gas hydrate inhibitor formulations used to prevent or inhibit the formation of gas hydrates in multi-phase fluids, such as hydrocarbon production fluids, conventional solvents can be largely replaced by at least one organic carbonate ...
|
|
WO/2024/025567A1 |
A controllable downhole scraper includes a fluid reservoir having a pressure wall positioned and movable within the fluid reservoir defining a first portion of the fluid reservoir including a first fluid. The pressure wall exerts a force...
|
|
WO/2023/239383A1 |
Systems and methods of the present disclosure relate to wellbore scraping operations. A method comprises running a scraper tool into a wellbore with blades retracted; dropping a ball into an expandable seat of the scraper tool to build p...
|
|
WO/2023/230452A1 |
The subject invention provides scale inhibitors and/or dispersants comprising microbial surfactants, or biosurfactants, as well as methods of their use for removing metal sulfide scale deposits and/or preventing the precipitation and/or ...
|
|
WO/2023/224967A1 |
A well treatment composition wax removal additives for the cleaning of a well containing hydrocarbons waxes. The wax removal additives comprise nano polysaccharides. A method of cleaning a hydrocarbon well containing at least one of wax,...
|
|
WO/2023/215091A1 |
A downhole motor includes a primary fluid path between a housing and a rotor and a secondary fluid path between the rotor and a stator. Fluid is diverted from the primary fluid path through a secondary inlet to the secondary fluid path t...
|
|
WO/2023/209026A1 |
The present invention relates to a wireline intervention tool string (1) for operating in a well (2) having a longitudinal axis, a top (51) and a bottom (52), comprising a tool housing (3) having a longitudinal tool axis, a first part co...
|
|
WO/2023/196487A1 |
Apparatus, systems and methods for occupying at least part of a cavity within an item of equipment includes at least one removable insert configured to occupy at least part of the cavity without impeding movement in the cavity of any mov...
|
|
WO/2023/164526A1 |
A method can include receiving data for a downhole pump operation that utilizes equipment that includes a pump; analyzing the data utilizing a local edge framework that executes a trained machine learning model to identify an operational...
|
|
WO/2023/149804A1 |
An arrangement and a method for preventing collection of debris on or for removing debris, such as cuttings, from the top of a closed riser sealing device (215) in a subsea riser (1). The arrangement comprises a flushing line and at leas...
|
|
WO/2023/149908A1 |
Methods and compositions involving certain organic esters that release an organic acid for use in the subterranean formation are provided. In some embodiments, the methods include: providing a treatment fluid including an aqueous base fl...
|
|
WO/2023/133611A1 |
An apparatus for clearing solids from a well including a housing with a jet pump, for positioning in a production string of the well, a tailpipe string carrying an elongate body to project out of a downhole end of the production string, ...
|
|
WO/2023/128839A1 |
The invention relates to the recovery of oil, gas and condensate. A method for treating a well for the recovery of oil, gas and condensate includes feeding supercritical carbon dioxide fluid into the well and switching the well from oper...
|
|
WO/2023/104540A1 |
One-piece multi-functional wellbore conditioning system that combines reaming while drilling, wellbore conditioning, providing a plastering effect, improved stabilization and cleaning cuttings from a drilled hole. Said one-piece multi-fu...
|
|
WO/2023/104899A1 |
The present invention relates to a downhole wireline tool (1) for performing a machining operation, such as milling, in a well having a top, the downhole wireline tool having a longitudinal axis, a first end configured to be connected to...
|
|
WO/2023/097849A1 |
The present application relates to the technical field of petroleum apparatuses. Disclosed is a well washing and paraffin removing vehicle. The disclosed well washing and paraffin removing vehicle comprises a vehicle body, and a water st...
|
|
WO/2023/090992A1 |
A pre-flush chemical for scale inhibitor squeeze treatment and method of preparing the pre-flush chemical, wherein the pre-flush chemical comprising carbon compound, wherein the carbon compound is used in an amount ranging between 0.01% ...
|
|
WO/2023/069353A1 |
A tubular cleaning system includes a housing having an outer surface, an inner surface, and a recess. A deployable tool is arranged in the recess. A motor is arranged in a cavity formed the housing between the outer surface and the inner...
|
|
WO/2023/069899A1 |
An autonomous flow control device with pilot amplification includes a primary valve responsive to changes in fluid composition, and a pilot valve responsive to and more sensitive to changes in fluid composition than the primary valve and...
|
|
WO/2023/064692A1 |
An extendable downhole tool including a first extendable probe, a second extendable probe and a pressure system configured to apply pressure to the first extendable probe and the second extendable probe. The pressure system also include ...
|
|
WO/2023/038783A1 |
Gravity driven reverse circulator tools are provided and methods of using same. One tool has nested pipes that when fully nested close a hole in one of the pipes, but when the drillstring is lifted, the pipes partially separate under the...
|
|
WO/2023/018659A1 |
Citrate polyester additives for crude oils, mixtures of the citrate polyester additives and crude oils, and methods for producing or forming the mixtures are provided. The mixtures and methods comprise at least one citrate polyester addi...
|
|
WO/2023/019047A1 |
Methods for the in-situ application of coating agent to production tubing within wellbores using plunger lift systems are provided herein. One method includes shutting in the wellbore, pressurizing the production tubing to displace fluid...
|
|
WO/2023/018413A1 |
A downhole tool for cleaning debris from an inner surface of a downhole casing that includes an inner mandrel moveable within the casing; and a scraper mandrel movably coupled to the outside of the inner mandrel by the engagement of a lu...
|
|
WO/2023/019182A1 |
A sand collector including a diverter section and a filter section. The diverter section having a tubular portion with at least one aperture extending therethrough and at least one collector extending outwardly therefrom to cooperate wit...
|
|
WO/2023/009578A1 |
A coiled tubing heating head tool system includes a tool connected at a connector to a terminal end of coiled tubing, the tool having a tubular extending from the connector to a heating head having a heater, a fluid passage extending fro...
|
|
WO/2023/003591A1 |
A downhole tool for cleaning a wellbore includes a tool body having a passage therein. A liquid is to flow through the passage of the tool body and have an intermittent flow pattern. An inner sleeve positioned within the tool body includ...
|
|
WO/2023/003630A1 |
A brine-based viscosified pill including (1) a viscosified brine, (2) a surfactant-solvent blend containing about 5 wt.% to about 40 wt.% of at least one nonionic surfactant; about 5 wt.% to about 20 wt.% of at least one polyglycerol est...
|
|
WO/2023/003943A1 |
Controlled release particles may include stimuli-responsive coatings on porous particles to allow for controlled release of a material in the pores of the porous particles. For example, a composition may comprise: a porous particle; a ma...
|
|
WO/2023/283727A1 |
The present disclosure generally relates to compositions containing percitric acid, treatment fluids containing such compositions and methods of using the treatment fluids during various oil-and gas-field operations including hydraulic f...
|
|
WO/2022/271797A1 |
Processes and apparatus for the removal of debris from conveyances and/or ports within a downhole fluid sampling apparatus. In some embodiments, the process can include providing a fluid sampling apparatus that includes a body that defin...
|
|
WO/2022/269046A1 |
A method for retrieving a well tool (10) from a well includes retracting a deployment cable (12) coupled to the well tool. The well tool has connected on a longitudinal proximate the connection to the deployment cable an impact jar (20),...
|
|
WO/2022/250753A1 |
Methods and compositions involving a strong acid precursor that generates and/or releases a strong acid for use in a subterranean formation. In some embodiments, the methods include providing a treatment fluid comprising a base fluid and...
|
|
WO/2022/241055A1 |
Methods of plugging a hydrocarbon well by using degradable plugs are provided. When the plug is no longer needed, a degradation fluid or fluids are pumped downhole under high pressure, typically via jet, such that the degradation fluid p...
|
|
WO/2022/240295A1 |
A method of sealing a partly or entirely annulus- cemented (102) casing portion (C10) of a first casing (C1) in a second casing (C2) in a petroleum well, comprising the steps of: - running a drill pipe string (0) -conveyed perforating gu...
|
|
WO/2022/235165A1 |
A subsea hydrate removal assembly (50) configured for removal of hydrate inside subsea equipment (1), wherein the subsea hydrate removal assembly comprises a tank (10) at a subsea location. The pressure inside the tank is lower than the ...
|
|
WO/2022/226624A1 |
Described herein is a fluid for the fracking or stimulation of a hydrocarbon-bearing formation, the fluid comprising a colloidal gas aphron-containing acid (CGAA) composition. The fluid is typically for use in cleaning of perforation deb...
|
|
WO/2022/231575A1 |
Methods for treating paraffins, iron sulfide, hydrogen sulfide, and/or bacteria in subterranean operations and operations involving the production and/or transportation of oil and gas are provided. In one or more embodiments, the methods...
|
|
WO/2022/229887A1 |
Apparatus and associated methods relate to pre-completion skin repair of releasably isolated wellbore perforation clusters. In an illustrative example, a completion method includes dividing a target portion of a wellbore casing into N di...
|
|
WO/2022/225571A1 |
The present disclosure provides methods and compositions for controlling asphaltenes in a subterranean formation. The compositions may include silica, a polymer, and optionally a charged surfactant. The compositions may also include a so...
|
|
WO/2022/225539A1 |
A method may include introducing into a wellbore a treatment fluid including a nanoparticle antiscalant; and a base fluid; contacting the nanoparticle antiscalant with an iron sulfide scale present in the wellbore; and dissolving at leas...
|
|
WO/2022/207666A1 |
Obstructing fluid plugs are removed from a base section (410) of a riser (171), which base section (410) extends between a receiving end (411) connected to an upright section (420) of the riser (171) and an emitting end (412) of the rise...
|
|
WO/2022/207668A1 |
A riser (171) to be arranged for injecting fluid from a vessel on a water surface (111) into a subterranean void (150) beneath a seabed (130) is attached to a buoy (170) as follows. An ROV (350) is controlled to attach a winch wire (320)...
|
|
WO/2022/207661A1 |
A fluid injection system contains a buoy (170) for connecting with a vessel to receive fluid therefrom. At least one fluid-transporting riser (171) connects the buoy (170) with a subsea template arranged on the seabed at a wellhead for a...
|
