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Matches 1 - 50 out of 15,533

Document Document Title
WO/2018/226772A1
Matrix acidizing treatment are designed and performed in a manner that takes into account radial acid flow into the formation. Subterranean well characteristics are determined (e.g., mineralogical and petrophysical characteristics). One ...  
WO/2018/226517A1
A wellbore liner-hanger tie-back system (200) includes a bore receptacle (206) coupled with a liner hanger (202) at a downhole end of the bore receptacle, where the liner hanger is configured to be positioned in a wellbore, a tieback cas...  
WO/2018/224857A1
The device for preventing the formation of paraffin and asfaltene sediments and for the reduction of the viscosity of crude oil for use at an eruptive oil well, an oil well with pumpjack or for use at a pipeline, the stated device compri...  
WO/2018/223184A1
The invention relates to a mobile platform and a method for dewatering a blast hole and for deliver'ng a bulk explosive thereto in a single pass. The platform includes a dewater'ng apparatus for removing water from a blast hole and a sto...  
WO/2018/223211A1
A controllable steam CO2 unit (CSCU) for generating steam and CO2 simultaneously within a combustion chamber is invented. High pressure fuel and high pressure oxidant are injected into the chamber for combustion. Meanwhile, high pressure...  
WO/2018/223205A1
A fully electric downhole safety tool comprising a valve (200) for flow blockage in oil and gas wells completion operations under emergency conditions is described. Valve (200) comprises an actuation array constituted by a hollow shaft m...  
WO/2018/223232A1
One aspect of the invention provides a combination of a first industrial process (e.g. a SAGD resource extraction process) which generates dirty water, a simplified water purification process, and an electricity-generating process. The w...  
WO/2018/225052A1
The present invention relates to the field of underground combustion of coal and other organic materials contained in canned mines, in order to generate thermal energy. A group of successive steps provides the proposed method. Firstly th...  
WO/2018/224819A1
A method and apparatus for the combined cleaning and plugging of an annulus in a well across a longitudinal section of the well were the annulus is located outside a conduit in the well. The conduit is perforated over the longitudinal se...  
WO/2018/226113A1
A method is proposed for temporarily isolating a well interval comprising: injecting a first suspension into the well, said first suspension containing a viscous carrier fluid, degradable particles and degradable fibres until a first ...  
WO/2018/227068A1
Methods and systems for lifting wellbore fluids in a subterranean well (10) towards a surface include providing a closed water system free of fluid communication with the wellbore fluids, the closed water system having a water storage ta...  
WO/2018/223210A1
A method for extracting hydrocarbons from a hydrocarbon bearing formation is invented, which is based on the co-injection of thermal fluids generated from two types of generators. One type is the conventional steam generator and the othe...  
WO/2018/222951A1
Provided are systems and methods for determining fracture toughness of a subsurface geologic formation. Embodiments include collecting (from drilling fluid circulated into a wellbore during a drilling operation) a drill cutting generated...  
WO/2018/220292A1
The invention relates to a facility (1) for heating the production zone of the reservoir (12) of a well in order to extract hydrocarbons through a well (2) connecting the surface to said reservoir, comprising a substantially cylindrical ...  
WO/2018/218362A1
The present disclosure is directed to the use of dendrimers in various compositions and methods applicable in oilfield applications, such as, but not limited to, in compositions containing oilfield chemical additives for enhancing the ef...  
WO/2018/222080A1
The invention relates to the oil and gas industry, and more particularly to the mechanized extraction of crude oil from wells, using pumps. The technical result is that of increasing oil extraction efficiency by reducing electrical energ...  
WO/2018/222602A1
A monitoring system can include a dashboard including a graphical user interface display space. The monitoring system can also include a digital twin validation (DTV) system. The DTV system can be configured to perform operations includi...  
WO/2018/220293A1
The invention relates to a facility for heating (1) conduits for extracting hydrocarbons through a well (2) connecting the surface to an extraction zone (12), comprising a substantially cylindrical conduit (3) for consolidating the boreh...  
WO/2018/223048A1
A time delay apparatus for use with a downhole tool in a wellbore casing. In an exemplary embodiment, the apparatus includes an electronic circuit comprising a timer, a fusible link, a split spool device that includes a center pin held i...  
WO/2018/222207A1
Simulation of downhole transient pressure effects due to propellant stimulation of a formation provides information that may be utilized to select a type of perforating tool system and other components that contribute to effective stimul...  
WO/2018/222321A1
A compliant keyway for an electric submersible pump (ESP) bearing sleeve is described. A compliant keyway system for an ESP bearing sleeve includes the ESP bearing sleeve coupled to an ESP shaft by an elongate key such that the ESP beari...  
WO/2018/222780A2
In an embodiment of the present invention utilizes a frac plug having a large diameter through bore wherein the through bore is at least 75% of the outer diameter of the plug. A tracer assembly is then affixed to a lower end of frac plug...  
WO/2018/215955A1
Described in this disclosure is the application of organic enzymes for the dissolution of hydrocarbon into lighter products. Jar samples have demonstrated initial success in reducing the viscosity of bituminous heavy oil at low temperatu...  
WO/2018/217448A1
A gas pulse jet pump for use with a fluid transfer system is provided. The gas pulse jet pump includes a main body including at least one suction chamber conflgured to receive production fluid. The gas pulse jet pump further includes an ...  
WO/2018/213925A1
A power system and method for the adaptive power control of a drilling rig. While operating the internal combustion engine in its efficient operating range, unrequired mechanical power is converted to electrical power for storage, or use...  
WO/2018/217200A1
Sandstone formations of oil and gas and geothermal wells may be successfully stimulated with a fluid containing GLDA or salt and HF or a HF-generating component and an organophosphonate component. The organophosphonate acts as a sequeste...  
WO/2018/217099A1
A subsea horizontal tie-in system comprising a porch part (100) with a porch hub (101a), a termination part (200) with a termination hub (201a). The termination part is configured to land on the porch part. The tie-in system further has ...  
WO/2018/217506A1
A sensing and communication system for a gas lift well is provided. The gas lift well includes a casing, production tubing positioned within the casing, and a gas lift valve coupled to the production tubing. The sensing and communication...  
WO/2018/213057A1
Methods and systems for enhancing acid fracture conductivity of acid fracture treatments on subterranean formations are provided. An example method of acid fracture treatment includes initiating fracturing of a subterranean formation (20...  
WO/2018/211061A1
The invention relates to a method for extracting a crude oil contained in a geological formation, which comprises a step of fracturing said geological formation, by injection of a specific aqueous extraction fluid under pressure, which c...  
WO/2018/213127A1
A method for drilling a borehole penetrating an earth formation includes: drilling a first section of the borehole; notching a wall of the borehole in one or more selected locations with a selected type of notch using a notcher for defin...  
WO/2018/212674A1
A method of deriving hydrocarbons from oil-prone kerogen-rich formations, including preparation of working substances, injecting said working substances through an oil pipeline into a productive oil-prone kerogen-rich formation with the ...  
WO/2018/210925A1
A process for use in managing a hydrocarbon production system includes: selecting, from among a plurality of changes proposed to operating parameters of the hydrocarbon production system, the proposed change with the greatest estimated p...  
WO/2018/213782A1
A switch assembly adapted for electrically coupling perforating guns and providing improved safety.  
WO/2018/212935A1
A surface-based separation assembly for use in separating fluid. The surface-based separation assembly includes a gas-liquid separator configured to receive a fluid stream, and configured to separate the fluid stream into a gas stream an...  
WO/2018/212661A1
A fluid separator unit (300) comprising an elongate body (305) having a circular internal cross-section, an inlet (304) configured to direct a fluid flow into the body (305) in a rotational flow pattern around a longitudinal axis (305') ...  
WO/2018/213083A1
A method for enhanced oil recovery may comprise inputting into a computer system data related to properties of a hydrocarbon reservoir and depletion of the hydrocarbon reservoir; calculating, with the computer system, a current oil satur...  
WO/2018/213277A1
A method of producing a hydrocarbon from a hydrocarbon deposit in a fracked well using CO2 in supercritical form as a fracking fluid. The fracking fluid does not include any water or particulates introduced from a source external to the ...  
WO/2018/213367A1
A rotary drive actuator for an annular well pressure control device includes a piston having a tapered inner surface, a through bore and a threaded outer surface. A threaded sleeve having a threaded inner surface is in threaded engagemen...  
WO/2018/208493A1
An apparatus (100) for controlling fluid flow in a borehole includes a basepipe (110) and a flow device (130). The basepipe (110) has a through-bore (112) and defines at least one perforation (115). The throughbore (112) conveys the flui...  
WO/2018/208579A1
A method for evaluating and optimizing complex fractures, in one non-limiting example far-field complex fractures, in subterranean shale reservoirs significantly simplifies how to generate far-field fractures and their treatment designs ...  
WO/2018/205492A1
A high ground pressure laneway stress transfer method based on a fracturing ring. Fracturing is conducted by constructing a drill hole (1) according to a laneway (2) stress source; a circle of artificial weakening zone, i.e., "a fracturi...  
WO/2018/209181A1
An emulsion for hydraulic fracturing to provide a one-step delivery of a fracturing fluid and a breaker for hydraulic fracturing of a hydrocarbon-bearing formation is provided. The emulsion for hydraulic fracturing is a water-in-oil-in-w...  
WO/2018/208397A1
A tubular for reservoir fines control includes a body having an outer surface and an inner surface defining a flow path. A plurality of openings are formed in the body connecting the outer surface and the flow path. A material mesh is ov...  
WO/2018/209248A1
The application is directed to a system and method for hydraulic fluid delivery including the delivery of high pressure fluid in hydraulic fracturing operations. The system of this application is operationally configured to reduce the fo...  
WO/2018/208438A1
The present invention relates to an in situ bitumen recovery process from oil sands. Specifically, the present invention involves the step of treating oil sands with an alkanolamine having a hydrophilic-lipophilic balance factor (HLB-fac...  
WO/2018/201706A1
The present invention applies to projects such as regional outburst elimination for coal roadway driving or for coal extraction, and discloses a method for efficient gas drainage in coal roadway strips and regional outburst elimination b...  
WO/2018/204211A1
Methods and systems for collecting high quality reservoir samples and delivering EOR substances are disclosed. The systems and methods disclosed are especially important for collecting samples of reservoir samples in a manner that most c...  
WO/2018/202796A1
A method for recording data relating to the performance of an oil and gas flow network uses statistical data to represent raw data in a compact form. Categories are assigned to time intervals in the data. The method comprises: (1) gather...  
WO/2018/204463A1
Simulating fluid flow in a fractured reservoir includes generating a grid for a fractured reservoir model that includes a fracture and a matrix to obtain a generated grid. Cross-flow equilibrium elements are generated based on the genera...  

Matches 1 - 50 out of 15,533