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WO/2021/086336A1 |
A system and method for calibrating discharge coefficients using either an orifice plate flow rate meter or a venturi flow rate meter in a well operation is provided. Using differential pressures obtained from the flow rate meter along w...
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WO/2021/081598A1 |
A sealing system (10), operable with a reverse circulation drill string, comprises a mandrel or body (12) having a fluid supply path (14) and a fluid return path (16). A seal mechanism (22) is configured to circumferentially surround a p...
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WO/2021/086408A1 |
A method and systems for performing a borehole operation with a borehole fluid that includes applying an amplitude oscillation deformation force to a sample of the borehole fluid over a period of time, measuring the deformation force fro...
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WO/2021/086200A1 |
The present invention relates to a riser system in the form of a pumped riser (1), i.e. a riser (1) having an outlet (6) from the riser (1) at a depth below the surface (S) of a body of water, where the outlet (6) is coupled to a return ...
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WO/2021/082438A1 |
A forced drilling sludge-fluid separator, comprising a sludge-fluid kinetic energy attenuation tank (1), a sedimented sludge tank (3) and a sedimented sludge conveying device (4) which are arranged from top to bottom and communicated in ...
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WO/2021/086414A1 |
A method of treating a subterranean formation penetrated by a wellbore, wherein the subterranean formation comprises one or more permeable zones, comprising introducing a superabsorbent polymer (SAP) fluid into the wellbore, wherein the ...
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WO/2021/086381A1 |
Methods and systems for modeling the efficiency of fluid transfer between a wellbore and containers during a displacement operation, in one embodiment, the methods and systems may include providing a fluid transfer model based on constra...
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WO/2021/079156A1 |
The invention provides well control system for a riser. The well control system comprises a riser assembly and at least one flow meter. The at least one flow meter is configured to be mounted on the riser.
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WO/2021/080621A1 |
A data synthesis model generates synthetic sensor values for managing a well by an AI system. The data synthesis model is generated and trained using downhole sensor data and input variable data for an electric frac pump. The trained dat...
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WO/2021/078572A1 |
The invention relates to a process for treating an aqueous fluid comprising at least one water-soluble polymer bearing carboxylate or sulfonate functions in aqueous phase, said process comprising a step of contacting said aqueous fluid w...
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WO/2021/078993A1 |
The invention is related a floating mobile offshore drilling and a method of controlling a process automation system thereon. The floating mobile offshore drilling rig comprising a wave prediction system, a movement predictor unit, a pro...
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WO/2021/078570A1 |
The invention relates to a process for treating an aqueous fluid comprising at least one water-soluble polymer bearing carboxylate or sulfonate functions in aqueous phase, said process comprising a step of contacting said aqueous fluid w...
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WO/2021/081020A1 |
Systems and methods for sealing a problem zone of a subterranean well include a wire mesh member with a tubular shape and a plurality of openings. The wire mesh member has an initial orientation with an initial outer diameter that is gre...
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WO/2021/078571A1 |
The invention relates to a process for treating an aqueous fluid comprising at least one water-soluble polymer bearing carboxylate or sulfonate functions in aqueous phase, said process comprising a step of contacting said aqueous fluid w...
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WO/2021/081339A1 |
A technique facilitates greasing of valves on a well tree, e.g. a frac tree, according to a simple process which enables selected, individual valves to be greased when desired. In some applications, the greasing process may be automated ...
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WO/2021/076976A1 |
Methods and systems for separating mud from drill cuttings are disclosed. The method includes collecting drill cuttings from a shale shaker or a wellhead, placing the drill cuttings in a fluid that matches the fluid in the drilling mud, ...
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WO/2021/076158A1 |
The present disclosure provides methods, compositions, and systems directed to filter cake removal embodying a delayed breaker fluid for oil-based drill-in fluids. A wellbore treatment method comprising: introducing a delayed breaker flu...
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WO/2021/076142A1 |
A slurry management system. The slurry management system may include a screen assembly and an RFID reader. The screen assembly may include a shaker screen and RFID tags arranged on the shaker screen. The RFID reader may be positioned to ...
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WO/2021/076157A1 |
The present disclosure provides methods, compositions, and systems directed to filter cake removal embodying a delayed breaker fluid for oil-based drill-in fluids. A wellbore treatment method comprising: introducing a delayed breaker flu...
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WO/2021/076156A1 |
Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multi-phase mixture, and downhole multi-phase fluid mixture systems are disclosed. A method to improve fluid flow of a multi-phase mixture includes p...
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WO/2021/069694A1 |
The invention relates to variation of concentrations of abrasive particles (92) in a stream (90) of drilling fluid mixed with abrasive particles, passed as an abrasive jet through abrasive nozzle(s) of a drill bit (10) along rotations th...
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WO/2021/071686A1 |
A method of monitoring a well state with intermittent well state sampling includes determining a measured volume differential by measuring flow out of a wellbore, measuring flow into the wellbore, and calculating a difference between the...
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WO/2021/071526A1 |
A method of servicing a wellbore extending from a surface of the earth and penetrating a subterranean formation, including: removing water from an aqueous based wellbore servicing fluid by contacting the aqueous based wellbore servicing ...
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WO/2021/071525A1 |
A method for determining mud properties may comprise taking multi-frequency measurement data with a downhole tool, selecting an injector electrode from the one or more injector electrodes for the multi-frequency measurement data, selecti...
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WO/2021/071483A1 |
A method of determining wettability may include: measuring an electrical property of a drilling fluid; and correlating the electrical property to wettability.
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WO/2021/071509A1 |
Systems and methods using: a membrane unit to treat fluids recovered from an oil and gas well are provided. The membrane unit may include a membrane having a porous substrate at. least partially coated with graphene oxide, making the mem...
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WO/2021/068694A1 |
Provided is an accumulator group-type pressure compensation apparatus for managed pressure drilling; an electric flat valve (1), a check valve (2), an accumulator group (3), a flange sub (4), and a whole support base (5); the electric fl...
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WO/2021/071964A1 |
An LCM placement device for placement of an LCM onto a test bed in a test cell is provided. The LCM placement device minimizes or prevents damage and degradation of the test bed during placement of the LCM. The device (302) includes a fu...
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WO/2021/066827A1 |
Methods for using treatment fluids and additives that include xanthan gum and attapuigite, In one or more embodiments, the methods of the present disclosure include providing a treatment fluid comprising an aqueous base fluid, xanthan gu...
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WO/2021/066811A1 |
A subterranean product extraction composition may include a borehole fluid that may include a thiamine based shale inhibitor active to inhibit reactivity of a formation shale to a base fluid of a borehole fluid. A method of extracting a ...
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WO/2021/066814A1 |
A method of drilling may include mixing, at the surface, a base fluid, a polyvalent cation reactive polymer, and a delayed source of polyvalent cation so as to form a treatment fluid; placing the treatment fluid in a subterranean formati...
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WO/2021/066836A1 |
Solid shale inhibitor additives and methods of using such additives to, for example, inhibit shale are provided, in some embodiments, such methods include providing an aqueous treatment fluid that includes an aqueous base fluid and a sol...
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WO/2021/066812A1 |
The effect of drilling fluids on particular subterranean environments can be analyzed to improve the formation of drilling fluids and additives such as lost circulation materials. A plug can be generated by a particle plugging apparatus ...
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WO/2021/062365A1 |
A method is provided for monitoring the occurrence of pressure anomalies due to FDI in near real time during a hydraulic fracturing operation carried out on an active well that is located near one or more passive monitoring wells. The me...
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WO/2021/061444A1 |
A production system and method of operating the production system. A fluid flows through a flow control device. The flow control device having an element that generates an acoustic signal indicative of a value of a parameter of the fluid...
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WO/2021/056093A1 |
A separator is provided for removing hydrocarbons and fluid from solids from a slurry. The separator includes a first separator tank for receiving a slurry of fluid and solids contaminated with hydrocarbons, said first separator tank com...
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WO/2021/061099A1 |
Characterizing the decay of the microstructure of a drilling fluid gel using a model based on two exponential functions. Based on the model, identify at least two components of the decay model comprising a fast decay component and a slow...
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WO/2021/061103A1 |
The present disclosure relates to a pulsed-power drilling system that includes downhole mixers for restoring optimal electrical properties in drilling fluid. The downhole mixer may include a housing having an uphole and downhole end, a c...
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WO/2021/061168A1 |
The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranea...
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WO/2021/058928A1 |
This invention provides a Mud Gas Separator design (MGS) which prevents gas from being discharged into the shaker / mud pit rooms. It eliminates the risk of suffocation of the personnel working in these areas and the fire / explosion / e...
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WO/2021/053545A1 |
Novel tools and techniques for are provided for machine learning control of automatic kick detection and blowout prevention. A system includes one or more blowout preventers (BOP), one or more sensors, a neural network bank comprising on...
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WO/2021/048533A1 |
Circulating downhole tool utilising a variable fluid pressure regulated cycle valve device that can be attached to the borehole assembly BHA of a coiled tubing and used down an offshore or onshore wellbore. The circulating downhole tool ...
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WO/2021/050043A1 |
Systems and methods for separating paramagnetic material in wellbore return fluid. A quadrupole magnet system is disposed along conduit so that a paramagnetic field is symmetrically formed about a central axis of the conduit. A wellbore ...
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WO/2021/050520A1 |
A washpipe seal and method includes providing a first sliding mechanical face seal between two seal elements to seal a mud conduit, and a second mechanical face seal between two additional seal elements to define a cavity within a housin...
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WO/2021/045766A1 |
A method may include: providing a spacer fluid comprising water and an agglomerated zeolite catalyst; and displacing a drilling fluid in a wellbore using the spacer fluid.
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WO/2021/046457A1 |
A lost circulation material (LCM) that includes spheres having radially distributed and substantially-straight protrusions to facilitate engagement (such as interlocking and entanglement) of the spheres is provided. Each sphere has a plu...
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WO/2021/046287A1 |
A drilling system (10) comprising: a drill string (16); a drill bit (20), a circulation sub (30) coupled to the drill string (16) wherein the circulation sub comprises, a selectively rotatable cam cylinder (50A) having a receiving end (5...
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WO/2021/044133A1 |
A hydraulic protection system (46) for preventing collapse of a hydraulic line (38). The system comprises a pressure sensing assembly (50) which is arranged to monitor a pressure differential between fluid external to the hydraulic line ...
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WO/2021/046223A1 |
A hydraulic communication nipple is disposed in between production tubing and a deep-set tubing-retrievable subsurface safety valve. In a default state, the hydraulic communication nipple fluidly communicates hydraulic fluid from the hyd...
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WO/2021/040961A1 |
A system and method are used in drilling a borehole in a formation. A trip to move a drillstring in the borehole is identified, where the trip is expected to produce a piston effect that changes a downhole pressure of the fluid in the bo...
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