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Patent Searching and Data


Matches 401 - 450 out of 1,006

Document Document Title
WO/2015/041538A1
An acid block (2) for local acid treatment of a subsea connecting element (1), which is in need of cleaning by acid treatment is described, wherein a block element (21), which is formed from an acid or an acid residue in solid form, is f...  
WO/2015/038242A1
A system including a fluid injection system configured to removably couple to a mineral extraction system, wherein the fluid injection system includes a fluid injection system controller, a flow meter system coupled to the fluid injectio...  
WO/2015/032444A1
The present invention relates to a use of a jetting process for decontaminating contaminated soil, wherein a liquid decontaminating agent is introduced into the soil.  
WO/2015/034369A1
A method for isolation of a permeable zone (10, 11) in a subterranean well (1), wherein the well (1) is provided with a pipe body (211), wherein the method comprises the following steps: (A) lowering a perforation tool (33) into the pipe...  
WO/2015/030760A1
A method of creating a step-change in proppant concentration in a fracturing fluid at a desired location within the conduit or wellbore of an oil or gas well includes the steps of connecting an in-line mixer at an end of a conveyance, pl...  
WO/2015/030813A1
Methods are provided for chemically removing cured resin product from subterranean formations in case of inappropriate consolidation, plugging of screens or tubing, and equipment damage. A chemical solvent is introduced to a wellbore whe...  
WO/2015/026146A1
The present invention relates to a drill bit for ground excavation that is configured to use a liquid supplied from the outside in order to discharge excavated slime to the outside of the bored hole. The drill bit (2) includes an upwardl...  
WO/2015/023785A1
A method and apparatus for efficient and effective collection of debris from a wellbore, while permitting simultaneous visual verification of such debris collection. A debris collection assembly comprises a combination of one or more of ...  
WO/2015/023283A1
Disclosed are systems and methods utilizing multiple parallel pumps to deliver a mixture of the proppant and clean fluid via a manifold trailer. One method of providing a step-change in proppant concentration includes selecting a first f...  
WO/2015/020850A1
Systems and methods relate to recovering hydrocarbons by injecting into a reservoir steam along with carbon dioxide recovered from flue gases produced while generating the steam and from separation of produced fluids. Due to benefits fro...  
WO/2015/015159A2
An apparatus for cleaning a borehole, the apparatus comprising a first cylinder and a second cylinder locatable at least partially inside the first cylinder. The second cylinder has a first and a second end and a throughbore therebetween...  
WO/2015/012999A1
A drilling assembly is tripped in a cased hole to make more open hole. The assembly features retracted scrapers and a closed circulation sub so that the drilling can commence with string pressure delivered to bit nozzles due to the circu...  
WO/2015/006093A1
A method includes pumping fluid from outside of a downhole tool through a flowline of the downhole tool with a pump and taking first measurements, using at least one sensor, within the flowline during a first stage of pumping the fluid. ...  
WO/2015/004203A1
A drilling system is provided for drilling a borehole into an earth formation, comprising a drill string and at least one flow restrictor arranged to extend radially from the drill string towards the wall of the borehole. Each flow restr...  
WO/2015/000077A1
A mutual solvent for use in oil and gas well operations comprising an ethoxylated alcohol surfactant, having a six carbon backbone chained to three ethylene oxide groups with a hydrophilic lipophilic balance between 11 and 12 but more pr...  
WO/2015/003188A1
Methods and apparatus for cultivating a surface of a wall of a subterranean well bore, conduit or cable by scraping and furrowing the surface using a string hoistable shaft carrying a flexible arrangement of a laterally extendable and re...  
WO/2014/210113A1
A method of treating a wellbore penetrating a subterranean formation comprising: providing an asphaltene solvent, wherein the asphaltene solvent comprises at least 75 mol% dimethyl sulfide and introducing the asphaltene solvent into the ...  
WO/2014/207084A1
The present invention relates to a downhole cleaning tool for removing residues or precipitation solids on an inner face of a casing or liner. The downhole cleaning tool comprises a tool body having a bore and a wall, at least one inlet ...  
WO/2014/201391A1
A system for treating drill cuttings may include a first stage that receives the drill cuttings and generates a first drill cuttings slurry and a second stage that receives the first drill cuttings slurry and generates solids. The first ...  
WO/2014/197152A1
A downhole tool for removing debris from fluid flowing through the downhole tool comprises a screen member in sliding engagement with an inner wall surface of the tool. As the screen member becomes blocked, it moves from a first or initi...  
WO/2014/189764A1
Mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such wellbore fluids may be included as a portion of a wellbore drilling assembly that includes a pump in fluid communication with a wellbore ...  
WO/2014/189698A1
Methods of performing a cleanout treatment including providing a wellbore in a subterranean formation having unconsolidated particulates therein; providing a treatment fluid comprising an aqueous base fluid and a hydrophobically modified...  
WO/2014/176227A1
A wellbore fluid for dissolving a filtercake includes a chelating agent and an aqueous solution of carboxylate salt. The concentration of the chelating agent is up to 50 percent volume per volume (v/v) in the aqueous solution of carboxyl...  
WO/2014/171839A1
Plant or system for wet cuttings cleaning, comprising a rotatable drying drum, alternatively a dryer, comprising a housing able to operate at overpressure, a closeable inlet for wet cuttings, a closeable outlet for dry cuttings, conduits...  
WO/2014/169098A1
Several methods and devices are provided herein to generate shock waves that are used in the oil industry for well drilling, hydrocarbon or gas exploitation, fracking process or improved oil recovery (IOR), enhanced oil recovery (EOR), c...  
WO/2014/168485A1
The present invention regards an arrangement and a method for removing a portion of debris (300) settled on an upper side of a barrier (114), the arrangement and the barrier being integrated in a portion of a tubing (201), the barrier (1...  
WO/2014/165249A1
The present disclosure relates to compositions and methods that are effective in hydraulic fracturing and in the energy industry's drilling process using non-corrosive, yet highly effective forms of acids. The disclosed compositions comp...  
WO/2014/160716A2
A method (50, 400, 500, 600) for removing fines and debris from a downhole wellbore (62, 70) in a formation (54), including introducing (404) a tubing string (68, 72) having a downhole debris removal tool (76) disposed substantially near...  
WO/2014/151306A2
A downhole tool for use in a wellbore having a tool body with a blade assembly slidably mounted thereon and movable between a retracted and an outwardly extended position. The blade assembly is biased towards the retracted position and m...  
WO/2014/145131A1
The present disclosure provides methods and compositions for scrubbing debris from a bored well and includes injecting a suspension of acrylonitrile fibers, into the bored well to its open end. The suspension of acrylonitrile fibers scru...  
WO/2014/137335A1
Disclosed is an improved tension member or slickline used in wellbore intervention operations. One exemplary tension member includes a first portion comprising a metallic material and having a distal end, a second portion comprising a no...  
WO/2014/133393A1
A BOP cleaning tool comprising a pipe section (1) provided with a through central channel (5) and inner radial channels (70) in distinct levels to a distribution annulus (40) within an external tubular member (4) with external fins (6), ...  
WO/2014/130021A1
A method of securing connections in well screens can include engaging a resilient ring with recesses formed in respective well screen connectors, the ring including projections extending from respective opposite ends of the ring, and dis...  
WO/2014/126747A1
Methods for removing an organic material from a portion of oilfield equipment are described. The methods include forming a composition that includes a hybrid polymer and introducing the composition to the portion of the oilfield equipmen...  
WO/2014/123533A1
A method of securing a nozzle in an end of a slurry discharge tube can include inserting the nozzle into the end of the slurry discharge tube, and crimping the slurry discharge tube onto the nozzle. A well screen shunt tube assembly can ...  
WO/2014/090633A9
The invention relates to a device for cleaning a fluid-charged borehole (10), comprising a tubular receptacle (21), the inside of which accommodates at least one combustion chamber (30) and at least one hollow chamber (25), which are arr...  
WO/2014/113545A1
A method for pumping fluid at a wellhead is provided. The invented method will improve liquid removal by eliminating the need to transport liquid produced from a well to containment facilities using trucks or large diameter pipelines cap...  
WO/2014/110444A2
A jetting tool includes a tubular housing having: couplings formed at each longitudinal end thereof, and one or more ports formed through a wall thereof and in fluid communication with an upper portion of a bore of the housing. The jetti...  
WO/2014/102549A1
The present invention provides an apparatus (300) for performing an operation in a fluid conduit of a hydrocarbon exploration or production installation and methods of use. The apparatus comprises a body (302) configured to be received i...  
WO/2014/104422A1
The present invention provides a system for cleaning an underground water tube well and recovering cleaning-contaminants, comprising: a compressed gas supply part for supplying compressed gas; a tube well cleaning device put into the ins...  
WO/2014/090630A1
The invention relates to a heat generator for well stimulation, comprising a tubular fuel container (22) with two or more mutually separated closed segments (23), which are arranged one after another in the longitudinal direction and are...  
WO/2014/085270A1
A latch system configured to permit one-way automatic passing of a swabbing tool. The latch system having a housing in communication with a well bore and a latch assembly housing a latch member with a latch. The latch is configured to se...  
WO/2014/070864A1
Disclosed are systems and methods for cleaning optical windows used in an inline optical fluid analyzer. One system includes a sampling module having an inlet and an outlet and a flow path extending therebetween, the flow path being flui...  
WO/2014/065675A1
The present invention relates to a non-toxic and biodegradable low dosage gas hydrate inhibitor comprising hyperbranched polyester polyols having hydroxyl end groups which are chemically modified. Further, the invention relates to a meth...  
WO/2014/058326A1
A tool for suspending in a well retrieves various metal debris from the well, and includes an elongated tool body with a plurality of magnets included in a plurality longitudinal ridges which are circumferentially spaced. In the method a...  
WO/2014/046560A1
The device for the decolmatation of the critical area of exploitation and injection wells comprises a generator of electromagnetic pulses of resonant frequency (10), which is equipped with a controller (not depicted), and a coaxial cable...  
WO/2014/042882A2
A downhole tool cleans debris from a subsea well with nozzle assemblies that selectively deploy from the tool. The nozzle assemblies are in fluid communication with an annulus of a drill pipe on which the downhole tool is mounted, so tha...  
WO/2014/035375A1
Disclosed are systems and methods of effectively wiping and displacing a deep water riser prior to disconnection from a blowout preventer. An exemplary riser displacement system includes a mandrel coupled to a work string, a seal contain...  
WO/2014/030050A1
The invention relates to a hydraulic cavitation generator having a tubular body which is open on two sides, a confuser and having a diffuser, wherein the channel within the body has two steps having different cross sections. The confuser...  
WO/2014/031006A1
A movable collecting device (1) for downhole separation and removal of particulate matter (8) from a petroleum well, the collecting device (1) having a first end portion (11) and a second end portion (12), an exterior and an interior; th...  

Matches 401 - 450 out of 1,006