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WO/2021/231389A1 |
A diffuser assembly is provided, comprising a diffuser adapted to reside within a conduit, having an upper member mountable within the conduit and having a fluid inlet port, and a lower section having a diffuser screen; a plurality of st...
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WO/2021/231790A1 |
A pressure bleed-off module for an oil well includes: an inlet receiving fluid from an annulus vent of the well; an outlet sending the received fluid to a kill valve of the well; and two paths coupled in parallel between the inlet and th...
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WO/2021/225962A1 |
A reclosable circulating valve comprises a housing body having a throughbore and a circulation port to permit fluid communication between the well and the throughbore. The reclosable circulating valve further comprises a mandrel in the h...
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WO/2021/222977A1 |
Rate of penetration (ROP) measurement system (10) has sensor apparatus on a drill rig detecting drilling advancement. Sender (38, 200) transmits to a receiver (40, 204), optionally via a reflector (39, 208). An electronic sub (201) can i...
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WO/2021/226209A1 |
A downhole tool and method of use. The downhole tool includes a stimulation sleeve receptive to a stimulation insert, and a production sleeve receptive to a production insert. A formation parameter of the reservoir is obtained. The tool ...
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WO/2021/220040A1 |
An apparatus and method for extracting sand from an underground sandstone formation. The apparatus comprising: a conduit having an upper end and a lower end to engage a sandstone formation, a gas injection line to inject gas at an inject...
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WO/2021/222462A1 |
Disclosed herein are various embodiments of methods and systems for drilling a wellbore into an oil or gas production zone to prevent formation damage in the reservoir using underbalanced or near-balanced drilling techniques, wherein a j...
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WO/2021/216083A1 |
A method comprises monitoring a resistance over time of a tubing encased conductor (TEC) that electrically connects a first downhole gauge to a second downhole gauge positioned in a borehole deeper than the first downhole gauge. The meth...
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WO/2021/216406A1 |
Disclosed are methods, systems, and computer-readable medium to perform operations including: receiving a real-time density log comprising bulk density readings of a subterranean formation, where a well is being drilled in the subterrane...
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WO/2021/216636A1 |
A system for prevention of marl erosion in a reserved water or mud waste pit at a drilling site, the system comprising: a discharge pipe (102) for discharging a waste fluid from a drilling operation; a protective liner (106) disposed und...
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WO/2021/216086A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat slop water recovered. In some embodiments, the systems include: a treatment unit including an inlet for receiving a slop water stream i...
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WO/2021/216093A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat various fluids including, but not limited to, fracturing fluids and drilling muds recovered at a rig site. In some embodiments, the sys...
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WO/2021/211355A1 |
A method for tuning a managed pressure drilling system comprising a variable orifice choke to control fluid flow from a drilling well includes (a) characterizing change in flow rate through the choke with respect to choke opening at a su...
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WO/2021/211459A1 |
A fast-acting managed pressure drilling rig is disclosed. A main valve (304) configured as an alternative for a conventional rotating control device and effects a seal between the running pipe outside diameter and the well annulus is pro...
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WO/2021/208049A1 |
Disclosed is a petroleum deposition liquid suction device with a high degree of freedom. The petroleum deposition liquid suction device comprises a first suction pipe (1) and a second suction pipe (2), wherein the first suction pipe (1) ...
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WO/2021/211638A1 |
Methods and systems for sealing a lost circulation zone associated with a subterranean include determining geophysical data of the lost circulation zone. An available range of lost circulation shape data and an available range of lost ci...
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WO/2021/209148A1 |
The present invention relates to a device and a process for making aqueous injection fluids for recovering crude oil from subterranean, oil-bearing formations, comprising water-soluble polymers, preferably polyacrylamides, by mixing an a...
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WO/2021/211686A1 |
A system for managing a loss circulation zone in a subterranean well includes a tool housing (36) located on a surface of a tubular member with a tool cavity (40), an electromechanical system is located within the tool cavity (40) and ha...
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WO/2021/209150A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid with an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble pol...
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WO/2021/208431A1 |
A cyclone foam integrated drilling and dust removal device and a use method for the device. The device comprises an orifice dust exhaust unit and a secondary treatment and recovery unit; the orifice dust exhaust unit is used to remove la...
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WO/2021/209149A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid and an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble poly...
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WO/2021/207392A1 |
Provided is a completion string and a multilateral well system. The completion string, in one aspect, includes a first tubing string, the first tubing string defining a first fluid path operable to receive a first fluid obtained from a f...
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WO/2021/197915A1 |
A casing slip device for use on-board of a drilling vessel provided with a drilling installation comprising a drilling tower, a top drive system, a vertical motion drive adapted to cause vertical motion of the top drive system relative t...
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WO/2021/198770A1 |
Provided herein are methods of maintaining emulsion stability of non-aqueous drilling fluids comprising an internal phase, a continuous phase, and an emulsifier by measuring interfacial tension between the internal phase and the continuo...
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WO/2021/202426A1 |
A fluid pulse generator can include a fluid motor and a bypass flow path in fluid communication with an inlet and an outlet, and a flow control device configured to permit flow through the bypass flow path in response to a predetermined ...
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WO/2021/195340A1 |
A wellbore fluid monitoring system includes a housing, a first sealing element, a second sealing element and a sealing unit. The housing is configured to be securely disposed in a portion of an annulus within a bell nipple below a rotary...
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WO/2021/194533A1 |
The present disclosure is for a tool and a method using or making the tool for detection of production or formation water in drilling fluid. The tool includes a sampling chamber to receive a bypass line from a flow line at a well site. T...
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WO/2021/195171A1 |
A computer system receives data representing a hydrocarbon reservoir. The data includes a surface location, reservoir property data, mechanical property data, and offset well information of the hydrocarbon reservoir. The computer system ...
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WO/2021/194574A1 |
Bottom hole assemblies for deploying sheets of material in a wellbore include: a body configured for attachment to a drill pipe; a spool ring attached to the body; a spring ring; and rolls of fabric.
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WO/2021/195349A1 |
A wellbore fluid monitoring system can implement a method while drilling a wellbore using a drilling assembly that includes a drill string, a rotary table and a bell nipple below the rotary table. Air flowing in a downhole direction thro...
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WO/2021/194575A1 |
Bottom hole assemblies for deploying fabric can include: a body configured to be attached to a drill pipe; a control tube disposed inside the body at a position controlled by engagement of a cam with a continuous guide path; a set tube, ...
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WO/2021/194571A1 |
A method of sealing a lost circulation zone (LCZ) during a drilling operation by: positioning a bottom hole assembly (BHA) at an initial position proximate a LCZ in a wellbore, wherein the BHA includes a drill bit fluidly connected with ...
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WO/2021/195341A1 |
A wellbore fluid monitoring system includes a housing, an air flow sensor, a first sealing element, a second sealing element and a sealing unit. The housing is configured to be securely disposed in a portion of an annulus within a bell n...
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WO/2021/188145A1 |
A system is disclosed for measuring fluid flow. The system may include a plurality of sensors and a computing device. The plurality of sensors may be positionable at different angles in a container of an offshore drilling rig to sense da...
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WO/2021/185499A1 |
The invention relates to a drilling rod for transmitting a torque, having an elongate main rod body, along which at least one main line for a fluid and/or electric current and/or data extends, an upper suspension device for suspending th...
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WO/2021/181143A1 |
An example method includes deploying an example system in a vicinity of the lost circulation zone. The example system includes a stop lost-circulation balloon (SLCB) tool. An example SLCB tool includes an inflatable balloon and a tubing ...
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WO/2021/180392A1 |
The invention relates to a ground working device for creating a substantially vertically extending hole in the ground, which hole is provided with a supporting fluid, said ground working device having a main body, a connection device whi...
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WO/2021/178540A1 |
Systems and methods for determining a time-dependent mud weight window are disclosed. The existence of fractures in formation rock along with a type of the formation rock are used to determine the use of a particular solution to determin...
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WO/2021/178943A1 |
An internal assembly (230) for a tool (200) includes a retainer (232) that at least partially defines an axial bore (238). The retainer (232) further defines a port (246) providing a path of fluid communication from an exterior of the re...
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WO/2021/170299A1 |
A downhole cleaning tool (40) adapted for location in bore-lining tubing (22). The tool (40) comprises a tubular body (42) defining an internal bore (48), at least one radially extending cleaning blade (92), and an external axially exten...
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WO/2021/172997A1 |
A flowmeter apparatus (10) for determining a volumetric flowrate for a well flow out from a wellbore, by means of a mass flowmeter apparatus (50) configured for receiving well flow and comprising means (65, 67, 56) for measuring a mass f...
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WO/2021/168296A1 |
A lift-ready flowhead assembly which is generally formed of a flowhead assembly, a lifting yoke, and a lift sub. The flowhead assembly includes (i) a flowhead body having body threads and a side entry port, (ii) a swivel housing, (iii) a...
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WO/2021/162912A1 |
The invention relates to the drilling of wells in rock and hydrocarbon formations. Drilling is performed with a drill string having a bottom hole assembly (BHA) and drill bit. Drilling mud is circulated during drilling. A valved inlet po...
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WO/2021/162715A1 |
A valve assembly including: a hardened insert coupled with a hardened insert carrier; and a valve body coupled with a valve insert, wherein, in a closed configuration of the valve assembly, the valve body contacts a primary sealing surfa...
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WO/2021/162979A1 |
Automated flowline leak sealing can be implemented as a flowline sealing tool assembly (104). A sealing sleeve (106) is configured to be positioned within a flowline (100) with a circumferential leak (102). The sealing sleeve includes a ...
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WO/2021/162697A1 |
A hydrate remediation system and method utilizing a concentric coiled tubing downline is provided. The concentric coiled tubing downline includes an outer coiled tubing and an inner coiled tubing, the inner coiled tubing disposed within ...
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WO/2021/162716A1 |
A valve assembly comprising: a valve body; a hardened insert, wherein the hardened insert is cylindrical and comprises a primary sealing surface; a sealing insert, wherein the sealing insert is cylindrical and comprises an initial sealin...
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WO/2021/156744A1 |
A dewatering system (12) for dewatering a slurry discharged from a riser (4) in a hydraulic ore hoisting system (10) to provide a driving fluid for use in said hydraulic ore hoisting system is described. The dewatering system comprises a...
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WO/2021/154913A1 |
Systems and methods for downhole gravel packing operations are described. The systems include a pressure activated fluid diverter and a plurality of inflow control devices attached to the pressure activated fluid diverter to form a secti...
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WO/2021/155405A1 |
A system (200) for determining slip velocity of drill cuttings which includes a first cylindrical tube (202) having a first diameter and a first length, wherein the first tube (202) is attached to a base plate (204), a second cylindrical...
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