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Matches 1 - 50 out of 4,611

Document Document Title
WO/2018/226653A1
The application is directed to a system for conveying fluid to one or more downstream locations including a plurality of downstream locations severally. The system includes one or more upstream fluid sources, a fluid routing system in fl...  
WO/2018/224298A1
A slurry handling apparatus comprising at least one reception hopper (10Α,10Β) comprising a base (12), a rear wall (18) and opposing side walls (14,16), an opening (20) being provided in the base (12), wherein slurry delivered into the...  
WO/2018/226530A1
A fluid coupling assembly includes a sliding seal interface between rotating and non-rotating components, through which a fluid conduit extends. A flow of fluid is provided through the fluid conduit during operation. A hydrocyclone devic...  
WO/2018/217727A1
Mitigating drilling circulation loss can be implemented as a wellbore drilling system that includes a drilling liner and a drill head assembly. The drilling liner is configured to be positioned in a lost circulation zone of a subterranea...  
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/2018/217889A1
Systems, methods and apparatus for injecting a solid chemical for inhibiting, decreasing or preventing precipitation and/or deposition of foulants and/or contaminants in oilfield tubulars. The use of solid chemicals or highly viscous flu...  
WO/2018/217622A2
A drilling system including a sensor configured to monitor at least one drilling parameter, and configured to generate a signal based on the at least one drilling parameter. An encoder is in communication with the sensor, and the encoder...  
WO/2018/213397A1
A drilling choke including a choke body defining an internal region, an inlet passage, and an outlet passage, a seat extending within the outlet passage, a nose extending within the internal region and defining a recessed region, a plug ...  
WO/2018/211291A1
The application relates to an apparatus and a method for removing magnetically active particles from a fluid. The apparatus comprises at least one vessel for receiving a fluid comprising magnetically active or ferrous particles, and at l...  
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/2018/204655A1
An extended reach tool is provided, the tool comprises two or more separate flow paths, each of the flow paths has multiple hollow chambers connected in series; each of the hollow chambers comprises a first constricted chamber with a flu...  
WO/2018/203283A1
A vehicle, method and system for removing waste material from a worksite is provided. An example of a vehicle includes a containment tank, a vacuum inlet pipe, a reagent tank, an injection point, and a deliver system to deliver the liqui...  
WO/2018/203062A1
A method and apparatus for single-trip casing cutting and pulling for well abandonment and slot recovery. Perforations (28) are made in the casing (12) at a maximum depth using a punch tool (18) and fluid circulated through the perforati...  
WO/2018/203063A1
A method and apparatus for single-trip casing cutting and pulling for well abandonment and slot recovery. Perforations (28) are made in the casing (12) at a maximum depth using a punch tool (18) and a pulsed fluid circulated through the ...  
WO/2018/200852A1
A drilling mud screen system, comprising: a hollow body having a first end, a second end and a first centerline from the first end to the second end; a drilling mud inlet having a second centerline forming an angle with the first centerl...  
WO/2018/194670A1
Compositions, methods, and systems for using particulates treated with one or more hydrophobizing agents in forming filter cakes during drilling to improve filter-cake removal. A method for drilling a wellbore may include circulating a d...  
WO/2018/194628A1
Method includes recovering a stimulating fluid, which includes transferring working fluid having the stimulating fluid from an operating site (102) to a current temporary processing facility (TPF) (110) that is located remotely with resp...  
WO/2018/190821A1
A method of monitoring and controlling one or more properties of a drilling fluid used in drilling a well is provided. The method comprises circulating the drilling fluid through the wellbore, measuring the specific heat capacity of the ...  
WO/2018/185245A1
The invention relates to a method of monitoring drilling fluid return flow rate when drilling a hydrocarbon well during which the drilling fluid is circulated down through a drill string, up through an annulus of the hydrocarbon well, th...  
WO/2018/187765A1
A pressure pulse tool includes a tool housing, a valve disposed in the housing and having first and second valve components that are each rotatable relative to the housing and that cooperate to open and close a fluid flow path through th...  
WO/2018/185095A1
The present invention relates to a method of estimating the region of damage due to collapse in the wall of a well during the drilling operation, normally using drilling fluid, where said well can, for example, be intended either for the...  
WO/2018/185099A1
The present invention relates to a drilling method suitable for wells for the injection and production of a gas or oil reservoir. Other uses are in mining and civil engineering work. This method is characterized by the use of the estimat...  
WO/2018/183955A1
Automated systems are disclosed that enable the rapid provision of fluids to downhole isolation tools. This is achieved by automatically optimizing the use of power available downhole by providing a high flowrate when pressure demand is ...  
WO/2018/183319A1
A method and system (26) for remediating a lost circulation zone (54) in a wellbore (12). A flexible liner (18) is deployed adjacent the lost circulation zone (54) that blocks fluid communication between the wellbore (12) and surrounding...  
WO/2018/182579A1
A system for providing autonomous flow control of a fluid from a wellbore to an interior of a tubing string by using a variable flow resistance system. The system can include a body, with a chamber that can be configured to induce rotati...  
WO/2018/183499A1
A system for generating pressure pulses in drilling fluid includes a concentric drive power section. The power section includes a stator and a rotor rotatably disposed in the stator. The rotor is coaxially aligned with the stator. The sy...  
WO/2018/183861A1
A managed pressure drilling (MPD) manifold is adapted to receive drilling mud from a wellbore during oil and gas drilling operations. The MPD manifold includes one or more drilling chokes.  
WO/2018/176058A2
A pressure control device may include a body having a central axis extending therefrom; at least one rotatable seal within the body, the rotatable seal configured to seal against a tubular extending through the pressure control device al...  
WO/2018/175763A1
Methods and systems for determining tracer breakthrough from multiple wells commingled at a Gas Oil Separation Plant (GOSP) are provided. An example hydrocarbon reservoir monitoring method includes periodically sampling fluid carried by ...  
WO/2018/176058A3
A pressure control device may include a body having a central axis extending therefrom; at least one rotatable seal within the body, the rotatable seal configured to seal against a tubular extending through the pressure control device al...  
WO/2018/172843A1
This disclosure may generally relate to drilling operations and, more particularly, to systems and methods for cleaning a drilling fluid as it travels back to the surface from a wellbore. An apparatus may comprise a magnetic body (208) h...  
WO/2018/170500A1
A testable back pressure valve for controlling fluid flow through a bore of a component installed in a well bore is disclosed. The back pressure valve includes a valve body which is configured to be secured in the bore, a flow bore which...  
WO/2018/164572A1
A semi-submersible drilling vessel has a deckbox structure and a shaker room. A downward sloping mud return line is provided that passes mud from the diverter to the shaker room. In the shaker room there are one or more shale shaker devi...  
WO/2018/160264A1
This disclosure provides a pre-mixed lost circulation treatment that can be pre-mixed ahead of time at a plant and delivered to a drilling site in one or more transport containers becaise the pre-mixture having a shelf life of at least o...  
WO/2018/152622A1
Adjustable passive choke devices, systems, and methods for controlling fluid flow rate, pressure, or both, are provided. The adjustable passive choke devices may comprise a fluid conduit having a first end, a second end, and an interveni...  
WO/2018/156154A1
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a phosphonate. The treatment can be added to these systems in the ...  
WO/2018/156155A1
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a polycarboxylate such as a polyepoxy succinic acid (PESA). The tr...  
WO/2018/152388A1
A drilling fluid system and associated method for supplying drilling mud to a drilling operation includes a plurality of first sensors associated with a first mud pit, configured to measure a plurality of properties of the drilling mud i...  
WO/2018/141048A1
A closure arrangement for use on a rotating control device used during managed pressure drilling, said closure arrangement adapted for the installation of a bearing assembly adapted for insertion into a body, said body defining an upper ...  
WO/2018/143817A1
It is discussed a method for drilling a well through a formation from a drilling installation, for the recovery of fluids, where a drill pipe (30) made up of a number of drill pipe sections is lead down into the formation and is supplied...  
WO/2018/136908A1
An apparatus includes a materials separator that includes a continuous filter belt disposed around a plurality of rollers. The apparatus also includes a pressure differential system operatively coupled to the separator and configured to ...  
WO/2018/136571A1
An iron roughneck for constant circulation of drilling mud during operation of a drill string, the iron roughneck comprising: a frame; a wrench unit supported by the frame, wherein the wrench unit is capable of gripping a drill string; a...  
WO/2018/136451A1
A circulation coupler for continuous or constant circulation of drilling mud during operation of a drill string, the circulation coupler comprising: a housing having an upper open end and a lower open end, wherein the housing has a port ...  
WO/2018/136573A1
A method for maintaining a constant bottom hole pressure during wellbore drilling operations, the method comprising supplying drilling fluid to the drill string via a top drive at a first pressure while flow of drilling fluid out of a we...  
WO/2018/132810A1
A system comprises a wellsite including a wellbore location and a BOP positioned at the wellbore location, a drilling rig in the wellsite and including a rig floor and at least one substructure, the substructure having a longitudinal axi...  
WO/2018/132309A1
Systems and methods for dosing slurries to remove suspended solids from the slurry are disclosed. The systems and methods may be used to dewater slurries having relatively high solids content such as earthen slurries. In some embodiments...  
WO/2018/128763A1
An early kick detection system including a kick detection computing device coupled to at least one sensor associated with a drilling system of a well. The kick detection computing device is configured to receive measurement data from the...  
WO/2018/126392A1
A sensing sub-assembly for use with a drilling assembly includes a cylindrical body and at least one sensor coupled to the cylindrical body. The cylindrical body includes an internal flow channel extending therethrough, which is configur...  
WO/2018/129052A1
A drilling bottom hole assembly for loss circulation mitigation includes a drill bit configured to drill a wellbore in a formation. The drill bit is attached to a drill string. The wellbore includes a high-loss circulation zone into whic...  
WO/2018/125198A1
This disclosure provides a sliding sleeve apparatus that has a flow inhibitor that slows the fluid flow between the interior passageway of the sliding sleeve and the well annulus to allow pressure equalization between the interior passag...  

Matches 1 - 50 out of 4,611