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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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WO/2021/150299A1 |
A deepwater managed pressure drilling joint may use existing flow paths to reduce or eliminate the need for certain specialized equipment in the pressurized fluid return path, including the discrete flow diverter, annular closing system,...
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WO/2021/146070A1 |
A technique facilitates the production of well fluid. According to an embodiment, an inflow assembly may be deployed downhole with, for example, completion equipment used in the production of well fluid. The inflow assembly comprises a f...
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WO/2021/145899A1 |
Metal material coated with a layer that is controllably activated can be positioned downhole in a wellbore prior to performing a wellbore operation. After the wellbore operation is performed, the layer can be activated to release the met...
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WO/2021/145861A1 |
A system includes a neutron source positionable within a wellbore to emit one or more neutrons toward a formation surrounding the wellbore. The system also includes a gamma ray detector positionable within the wellbore to detect gamma ra...
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WO/2021/142547A1 |
A pressure management device (PMD) for direct connection to a blowout preventor stack of a managed pressure drilling system, the PMD comprising a housing, one or more chokes, and a directional valve. The directional valve has a choke pos...
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WO/2021/138162A1 |
A method and system of adjusting near-bit weight on a drill bit in a drill string having a bottom hole assembly located at an end of a drill pipe, an anti-stall device near the bottom hole assembly, surface sensing and control equipment ...
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WO/2021/137876A1 |
Methods and systems for removing a gel from wellbore equipment. An example method includes introducing a cleaning fluid into the wellbore equipment comprising the gel disposed therein or thereon. The cleaning fluid includes a brine havin...
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WO/2021/137867A1 |
A passive sequential pump system for use in moving a fluid is provided. The system comprises a plurality of valves. Each valve of the plurality of valves is positioned adjacent to another valve of the plurality of valves. Each of the plu...
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WO/2021/138138A1 |
In at least one embodiment, a system for a blender tub overflow catch is disclosed for fracturing operations using a fracturing fluid blender. In at least one embodiment, the system includes a first tub that may be a blender tub and a se...
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WO/2021/134063A1 |
A method of hydraulic fracturing includes providing a fracturing fluid to a pump (50). The pump (50) includes a pressure sensor (64) for measuring pressure at a fluid end (56). The method further include injecting the fracturing fluid fr...
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WO/2021/133377A1 |
A method of servicing a wellbore includes introducing a fluid into a wellbore, the wellbore having particulate matter disposed therein and entraining at least a portion of the particulate matter within the fluid. The fluid includes a pol...
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WO/2021/127344A1 |
Filter screens with curved feed and discharge surfaces are provided. In an implementation, a filter screen assembly is disposable in a vibratory separator. The filter screen assembly includes a first filter screen having a first end havi...
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WO/2021/127516A1 |
Systems and methods for sealing a lost circulation zone of a subterranean well include extending a drill string into the subterranean well. The drill string has an ultrasonic system, an actuator, and a fluid flow path. The actuator is in...
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WO/2021/126869A1 |
A screen box includes one or more support members. Each support member is configured to support a screen. Each screen is configured to filter a used drilling fluid. The screen box also includes a sensor configured to determine a number o...
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WO/2021/125974A1 |
The invention relates to an arrangement and methods to control volume of fluids in a well system having a riser (7) extending from a well to a rig. The riser (7) has an increased diameter section (1) situated below the upper end of the r...
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WO/2021/126932A1 |
A circulation sub assembly for circulating fluids in a subterranean well includes a circulation sub body that is a generally tubular shaped member with a sub central bore. A circulation port extends through a sidewall of the circulation ...
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WO/2021/127569A1 |
Method and systems for sealing a lost circulation zone of a subterranean well include extending a drill string into the subterranean well, the drill string having an ultraviolet system, an actuator, and a fluid flow path. The actuator is...
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WO/2021/119251A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/119247A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/118579A1 |
Methods for the use of treatment fluids that include thermally responsive anti-sag agents in subterranean formations are provided. In one embodiment, the methods include introducing a treatment fluid including a base fluid and an anti-sa...
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WO/2021/118565A1 |
Certain aspects and features relate to a system that monitors for kick and lost circulation in the riser string of an offshore drilling rig. The system compensates for annulus outflow fluctuation induced by wave (heave) motion in order t...
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WO/2021/118895A1 |
Disclosed are methods for drilling an oil or gas well safely and efficiently using underbalanced or near-balanced drilling techniques, wherein the primary means of pressure control is an Annular Pressure Control Diverter positioned below...
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WO/2021/118572A1 |
A method of providing an underbalance in a wellbore that includes positioning a surge assembly within the wellbore; bypassing a differential chamber that extends along a portion of the length of the surge assembly when flowing fluid thro...
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WO/2021/119244A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/118585A1 |
Methods and compositions for the use of thermally responsive lost circulation materials in subterranean formations are provided. In one embodiment, the methods include introducing a treatment fluid including a base fluid and a thermally ...
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WO/2021/112850A1 |
Methods for reducing zinc in fluids for use in subterranean formations are provided. In one or more embodiments, the methods include providing a fluid comprising an aqueous base fluid and zinc; and adding a precipitant comprising polyvin...
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WO/2021/112853A1 |
Methods for breaking polymer-containing treatment fluids for use in subterranean formations are provided. In one or more embodiments, the methods include providing a treatment: fluid comprising a base fluid and a polymer, wherein the tre...
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WO/2021/113086A1 |
Unsegmented continuous subsurface data may be analyzed using one or more moving windows to characterize a subsurface region. Unsegmented continuous subsurface data may be scanned using the moving window(s). Probabilities that portions of...
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WO/2021/111347A1 |
Valve element (2) for selectively opening and closing both a radial aperture (84) and an axial hole (82) comprised in a drilling element (8) for drilling mud circulation. The valve element (2) comprises: a fixing portion (22) adapted to ...
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WO/2021/112833A1 |
Aspects and features include a system and method for drilling fluid measurement using active gas dilution. Active and automatic correction of the flow of a mixture of a sample gas and a carrier gas supplied to detectors is used while mak...
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WO/2021/108481A1 |
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 resilient membe...
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WO/2021/108180A1 |
A vectored annular cleaning system (VACS) includes a tool body having a first end, a second end, an outer surface and an inner surface defining an internal bore. A valve system is arranged in the internal bore. The valve system includes ...
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WO/2021/102551A1 |
Methods for drilling in higher temperature rock formations such as geothermal formations with phase change material augmented drilling fluid are disclosed. By observing flow rate of the augmented fluid, heat exchange between the annulus ...
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WO/2021/105910A1 |
In one aspect the present invention may be said to comprise a drill rod for assembly with other drill rods to form a drillstring used for fluid reverse circulation drilling comprising: an outer drill rod comprising a bore that is tapered...
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WO/2021/107786A1 |
The invention is a mud loss treatment drilling tool (1) comprising - said tool (1) having an upper tooljoint (101U) to a lower end of an above drill pipe string (0), - one or more tank (10) with a through channel (101) for a drilling flu...
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WO/2021/108301A1 |
The present disclosure relates to a friction reduction tool having a housing for connecting the friction reduction tool to a drill string or coiled tubing; a force converter within the housing and having a stator, a helical rotor, and a ...
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WO/2021/107960A1 |
A method of servicing a wellbore penetrating a subterranean formation, comprising: placing a wellbore servicing fluid (WSF) into the wellbore, wherein the WSF comprises a first polymer, a second polymer, and water, wherein the first poly...
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WO/2021/097563A1 |
Methods and systems for removing drilling fluid from wet drill cuttings are described. The methods may comprise: at a pressure above atmospheric pressure: separating air into constituent nitrogen and oxygen gases; heating a first mixture...
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WO/2021/097564A1 |
Systems and methods for removing drilling fluid from wet drill cuttings are described. According to some embodiments, the method comprises, at a pressure above atmospheric pressure: combusting a rich air-fuel mixture at a rich combustion...
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WO/2021/102001A1 |
A fluid routing plug for use with a fluid end section. The fluid end section being one of a plurality of fluid end sections making up a fluid end side of a high pressure pump. The fluid routing plug is installed within a horizontal bore ...
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WO/2021/097565A1 |
Methods and systems for removing drilling fluid from wet drill cuttings are described. According to some embodiments, the method comprises: at a pressure above atmospheric pressure: using an internal combustion engine, combusting an air-...
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WO/2021/046436A9 |
A lost circulation material (LCM) that includes spheres having radially distributed hooks and latches to facilitate engagement (such as interlocking) of the spheres is provided. Each sphere has a plurality of hooks and a plurality of lat...
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