Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 4,633

Document Document Title
WO/2019/036570A1
A rock sample includes multiple rock samples that are each obtained from the borehole. The rock samples have been exposed to contamination during a drilling operation to drill the borehole. The rock sample is split into a first sample po...  
WO/2019/036701A1
Systems and methods for monitoring characteristics of a drilling mud, a rate of penetration (ROP), and other factors to determine which remedial actions to perform and how to perform them. In conventional drilling operations, there are m...  
WO/2019/027830A1
A downhole liner delivery tool includes a housing configured to couple to a tubular work string. The housing includes an interior volume. The tool also includes a liner store enclosed within the interior volume. The liner store is config...  
WO/2019/022601A1
The present invention relates to a system and method for casing drilling with a subsea casing drive adapted to engage at the outer circumference of the casing string, to impart a linear force and/ or torque to the casing string, and such...  
WO/2019/023058A1
Processes of treating drill cuttings which include solids and drilling fluid to consolidate solids and/or separate drilling fluid and/or hydrocarbon are disclosed. The processes include mixing drill cuttings with a highly water soluble s...  
WO/2019/023235A1
A sliding sleeve valve for use in a borehole includes an outer housing including a radial housing slot, a sliding sleeve slidably disposed in the outer housing, the sliding sleeve including a radial sleeve slot and configured to have a f...  
WO/2019/016607A1
An apparatus and method for recovering drilling fluid from drill cuttings, drill mud detritus solids, or both, lost over shale slides utilizing a vacuum suction system. Alternatively, the system may be used to recover drilling fluid dire...  
WO/2019/014431A1
A method for drilling a wellbore includes pumping a drilling fluid from a drilling vessel (102) into a wellbore through a drillstring (142) extending through a marine riser (106) into the wellbore with a surface pump (112). The marine ri...  
WO/2019/014045A1
A wire screen (122) comprises multiple wires (202) running parallel to one another. Each of wires is spaced apart from each adjacent wire at a distance less than a width of an encased microchip. Each of the plurality of wires includes a ...  
WO/2019/014428A1
A method for drilling a wellbore with an offshore, riserless drilling system, the method includes pumping a drilling fluid from a drilling vessel down a first drillstring and into an annulus within a subterranean wellbore, pumping the dr...  
WO/2019/011962A1
The present invention relates to a screen segment (10) of a screening device for separating or classifying material to be fed, in particular mineral crushing goods such as oil sand, in at least two particle fractions, wherein the screen ...  
WO/2018/237203A1
Systems and methods include a mechanical isolation device that comprises a sleeve, which includes a port for fluid flow between an internal bore of the sleeve and an inside of a tubular. A receiver positioned in the internal bore include...  
WO/2018/236951A1
Embodiments relate to systems and methods directed towards arrangements of a preheater, a heat exchanger, a plasma recovery system, and at least one processing stage configured to use steam output of a calciner for heating incoming waste...  
WO/2018/232532A1
A method for drilling a tunnel through a formation must address environmental concerns. One tunneling method comprises the steps of: preparing a mixed metal-viscosified drilling fluid including bentonite, a mixed metal viscosifier and co...  
WO/2018/237202A1
A system and method for controlling fluid flow inside a tubular in a wellbore includes a tubular comprising an internal bore and a latch profile on an inner surface of the tubular. A receiver is positioned within the internal bore of the...  
WO/2018/234764A1
A connection assembly (10) for automated lifting and positioning of a chiksan (110) or other fluid conduit in proximity to a fluid inlet (60) of a device such as, for example, a cement (100) or hydraulic fracturing head. Once a chiksan o...  
WO/2018/231729A1
A dual gradient drilling system includes a subsea blowout preventer disposed above a wellhead, the subsea blowout preventer having a central lumen configured to provide access to a wellbore, a lower section of a marine riser fluidly conn...  
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/2018/217622A3
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/2018/217889A1
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...  

Matches 1 - 50 out of 4,633