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WO/2017/079720A1 |
An apparatus for cleaning an inner surface of a marine riser (62) or a production riser (62), having an inside diameter in a range from 16 inches (40 cm) to 20 inches (51 cm), has a mandrel (16) and at least one brush member (12) and at ...
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WO/2017/076368A1 |
An energy-saving and environment-friendly paraffin and scale control ultra-strong viscosity reduction device comprises: a hydrocyclone (1), a first-stage jet flow ultrasonic signal generator (2), a second-stage jet flow ultrasonic oscill...
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WO/2017/070502A1 |
A centralizer having a first self-locking mechanism including a spring that is able to passively, (using only the tension in the spring), grip onto a pipe section once positioned. The spring mechanism restricts axial movement of the cent...
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WO/2017/068144A1 |
The present disclosure relates to a method for determining the flow rate of formation water and/or the total rate of produced water in a gas well. More particularly, the present disclosure relates to a method and system to determine the ...
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WO/2017/058151A1 |
A well system includes a work string extendable into a wellbore, and a pump that pumps a fluid into an annulus defined between the work string and the wellbore. A flow-activated motor is coupled to the work string and has a housing that ...
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WO/2017/055893A1 |
The present disclosure relates to compositions and methods for the removal of deposits from oilfield apparatus and wellbore surfaces. In particular, removal of deposits comprising heavy hydrocarbon materials and finely divided inorganic ...
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WO/2017/058894A1 |
A system (1) for stimulating a well with an annulus (3) formed by a string (2) and a wellbore (4), wherein the system (1) comprises a pressure activated injection assembly (200) configured to open at an activation pressure below an injec...
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WO/2017/035370A1 |
Diagnostic or assisting lateral wellbores can have a significant benefit for injecting and distributing treatment fluids and other materials within complex fracture networks that surpass conventional injection at the primary lateral well...
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WO/2017/031597A1 |
Apparatus and methodologies for cleaning a subterranean wellbore are provided. More specifically, a cleaning assembly and method of use is provided, the assembly being sealingly positioned within the wellbore and comprising a pump and a ...
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WO/2017/030596A1 |
An apparatus and method for controlling and/or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented suc...
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WO/2017/027725A1 |
A method of removing paraffin deposits from downhole tubing, pumps and valves is provided using hot water and recycling the hot water to allow continual intermittent cleaning throughout the lifespan of the well.
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WO/2017/026885A1 |
Aqueous fluids containing hydrophobic particles are effective media for cleaning water-base drilling fluids and drilling fluid solids from the interior surface of a casing string. Hydrophobic fibers may be added to a drilling fluid, a sp...
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WO/2017/020336A1 |
Provided are an electric-heating wax removal and prevention device with natural gas power generation based on skin effect and an application thereof. The device comprises a natural gas collecting part, a natural gas power generation part...
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WO/2017/009613A1 |
A downhole apparatus (10) that is selectively reconfigurable between a first configuration and a second configuration. The downhole apparatus comprises an actuator (24) for controlling the reconfiguration between the first and second con...
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WO/2017/000049A1 |
The present invention relates to a composition for removing organic deposits from oil wells and other subsurface systems, comprising cumene and biodiesel. The invention also relates to a method for removing organic deposits, comprising t...
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WO/2017/000622A1 |
A storage-type precise quantitative injection system for injection of an underground oil or gas well operating agent and an injection method thereof. The injection system comprises an injection tube (3-2) and overground pressurizing equi...
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WO/2016/207359A2 |
The present invention a subsea storage of MEG in an immediate vicinity of a subsea production site, the system comprising a collapsible flexible bag and; - at least one charge conduit providing a MEG conduit path between a topside positi...
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WO/2016/205956A1 |
A wash nozzle assembly for comprising a cylindrical nozzle body component having a proximal end with a demountable coupling device for engaging a supply of high-speed fluid, and a distal end; a cylindrical nozzle tip component having a p...
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WO/2016/203119A1 |
The present invention relates to a method for detecting and quantifying additives in a complex aqueous fluid, and in particular a method for detecting an inhibitor of mineral deposition or corrosion, injected in a gas or oil well. The in...
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WO/2016/200269A1 |
A method of plugging and abandoning a well (1), comprising : (A) lowering a perforation tool (31) into a pipe string (5) onto a longitudinal section (LI); (B) with the perforation tool (31), forming perforations (51) along said longitudi...
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WO/2016/195525A1 |
Compositions and methods by which well control may be maintained during well construction, workover or well-intervention operations in a subterranean well without damaging formation are disclosed. A treatment fluid that comprises a ca...
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WO/2016/188783A2 |
An apparatus for separating solid particles from a hydrocarbon-containing fluid produced from an oil and/or gas production facility, the apparatus comprising a primary production conduit having an upstream portion and a downstream portio...
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WO/2016/186860A1 |
A debris catcher can include an anchor connected to the wellbore tubular and a filter fixed to the anchor. The filter is positioned in a bore of the wellbore tubular and has an disintegrable accelerator material located in a carrier body...
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WO/2016/187364A1 |
A method includes positioning at least one fluid nozzle disposed upon a distal end of a fluid conduit in a cased borehole penetrating a subterranean formation at a target zone of the subterranean formation. An abrasive laden fluid is the...
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WO/2016/182980A1 |
The present invention relates to a thermally stable polymeric scale inhibitor compositions and use thereof. Preferably, the polymeric scale inhibitor is a polycarboxylic acid copolymer comprising a styrene sulfonic acid group. The polyme...
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WO/2016/179677A1 |
Described is a method of cleaning a wellbore using a fibre-optic distributed acoustic sensor (DAS) and temporary tubing deployed downhole. In real time, the DAS measures characteristics of the fluid along the entire length of the sensor/...
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WO/2016/172323A1 |
A combination tool allows delivery of a tool such as a packer or bridge plug with a variety of well cleanup tools that are retracted for running in. Once in the vicinity of where the plug or packer is to be set or if an internal diameter...
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WO/2016/168259A1 |
A filter device housed within a body component. The filter device can include an outer filter and an inner filter positioned coaxially within the outer filter. The outer and inner filters may be composed of a material having mesh, slots,...
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WO/2016/168643A1 |
A one trip method of cleaning a portion of the borehole and then setting a tool such as a packer or a bridge plug locates the cleanup tools above the plug with a ported sub to allow circulation of loosened debris. The debris is directed ...
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WO/2016/155852A1 |
The present invention provides a tool (1) for removing metal debris from a well bore, comprising a magnet element (2), rotation generating means (5), a debris removal unit (3) and a debris container (6), wherein the magnet element compri...
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WO/2016/156584A1 |
A mixture comprising: a) from 0% to 95% of aromatic compounds and / or polycyclic aromatic compounds, said polycyclic aromatic compounds, if present, always being in an amount less than 10% with respect to component (a); b)from 0% to 85%...
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WO/2016/148576A1 |
A collecting device (1) for loosening and collecting debris in a well, the collecting device (1) comprising : - a first end portion and a second end portion; - a collecting receptacle (8) between the first end portion and the second end ...
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WO/2016/137854A1 |
Some examples of an emulsion system for treating deep water blockage can be prepared by emulsifying a first aqueous phase in a first organic phase to prepare a first emulsion. A second aqueous phase can be emulsified in a second organic ...
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WO/2016/130017A1 |
The present invention concerns a landing system for a wiper apparatus (5) which is adapted for floating on a liquid surface of the drilling mud in the drill string (7) or hanging from a landing seat (9) located in a landing sub (8) by th...
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WO/2016/130220A1 |
A method for displaying performance of a wellbore drilling operation including wellbore cleaning includes defining drilling parameters for the drilling operation. The method includes defining a visualization tool including a boundary def...
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WO/2016/130127A1 |
Removing inorganic scale and other acid-soluble materials in the presence of a particulate pack can sometimes result in unwanted alterations to the particulate pack. Methods for removing inorganic scale can comprise: introducing a descal...
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WO/2016/126351A1 |
A method for acidizing a subterranean formation is disclosed. The method includes using an acid to lower the pH of a fluid within a subterranean formation. The method further includes reacting exothermic reaction components in the fluid ...
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WO/2016/120624A2 |
A method and apparatus for cleaning a fluid conduit in a hydrocarbon production installation. The method comprises providing a composite pipe having a cleaning head coupled to a first end, and introducing the first end of the composite p...
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WO/2016/105371A1 |
Composition for the removal or inactivation of hydrogen sulfide or other species comprising ionizable sulfur (e.g., mercaptans, thiols, etc.) using compositions containing acrylonitrile and/or derivatives thereof are provided. Methods fo...
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WO/2016/105381A1 |
Multi-stage treatment methods for the treatment or removal of iron sulfide scales in subterranean operations and operations involving the production and/or transportation of oil and gas are provided. In one embodiment, the methods compri...
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WO/2016/100540A1 |
An instrument for the mechanical removal of corrosive buildup, deposits or scale from within a wellbore. A tubing-conveyed scraping blade and/or other abrading devices (50) has a collapsible maximum outer diameter by using a multi-bar me...
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WO/2016/099721A1 |
composition is described as including a mixture of citrus terpene hydrocarbons and an alcohol ethoxylate. The alcohol ethoxylate is represented by the formula R(C2H4O)nOH, where R is a branched or linear alkyl chain having from 12 to 15 ...
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WO/2016/099454A1 |
A debris control system comprises a first ported sub and a second ported sub attached to a casing and disposed in a wellbore, such that the first ported sub is disposed at a depth that is deeper than the depth at which the second ported ...
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WO/2016/097713A1 |
A fluid transfer apparatus (10) comprising a body portion (12) having a fluid inlet (12a) and a fluid outlet (12b), wherein the fluid outlet (12b) is connectable to a suction device (16) such that, in use, fluid may be transferred from t...
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WO/2016/081115A1 |
An asphaltenes separation system comprising a flocculant feed system configured to add a flocculant to a production fluid to flocculate asphaltenes in the production fluid, and an asphaltenes separator configured to remove flocculated as...
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WO/2016/073673A1 |
Methods, computing systems, and computer-readable media for removing fluid from a structure. The system may include sensors disposed within the structure (such as a multi-lateral well) that measure properties of the fluid at the location...
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WO/2016/067222A1 |
A system including a controller configured to receive feedback from at least one sensor configured to monitor a fluid flow of a hydrocarbon extraction system. The fluid flow includes water and an injected chemical. Additionally, the cont...
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WO/2016/069784A1 |
A system including an additive management system configured to oversee hydrate formation in a hydrocarbon extraction system, the additive management system including a flow meter configured to measure a fluid flow rate, a first sensor co...
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WO/2016/069907A1 |
Various systems, methods, and devices are disclosed for handling contaminants in a wellbore or riser. A washpipe debris trap (WPDT) traps contaminants traveling up a wellbore from a downhole location, and the WPDT may serve as an indicat...
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WO/2016/059446A1 |
An apparatus and system for removing at least a portion of a hydrate deposit within a subsea pipe segment (91) includes a submersible remotely-operated plurality of and inter-coupled modules (20), each module having a laser emitting elem...
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