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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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WO/2021/041477A1 |
A blowout preventer (BOP) for controlling pressure within a wellbore includes an internal cavity (406) and a front side (202) including a door opening (400), the door opening (400) providing access to the internal cavity (406). The BOP a...
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WO/2021/041475A1 |
A blowout preventer (BOP) for controlling pressure within a wellbore includes a body (200) having a front side (202) and a back side (204). The BOP also includes a door opening (400) extending through the front side (202). The BOP furthe...
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WO/2021/034816A1 |
A method of plugging a formation fracture includes drilling, with a drill string configured to flow drilling fluid, a wellbore, where, at a downhole location, the drilling fluid is lost through a formation fracture. The method also inclu...
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WO/2021/032964A1 |
The invention provides a managed pressure drilling system. The system comprises a rotating sealing device and a drill string assembly comprising a plurality of drill pipe members. Each drill pipe member has a first tool joint having a fi...
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WO/2021/032750A1 |
A method of controlling the composition of a drilling fluid comprises receiving measurements of properties of a drilling fluid; determining a concentration of the components of the drilling fluid by inputting the measured properties to a...
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WO/2021/029876A1 |
De-oited lost circulation' materials and. methods of using such materials to, for example, reduce fluid loss are provided. In some embodiments, such methods: include introducing a first treatment fluid; including a base fluid and a de -o...
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WO/2021/029874A1 |
A method for identifying cuttings volume may comprise taking one or more inlet measurements of a drilling fluid at an inlet meter before the drilling fluid is circulated into a wellbore, taking one or more outlet measurements of a drilli...
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WO/2021/022908A1 |
A method for replacing a down-hole packer particle filling layer (5) without changing the flowback of a down-hole pipe string (6). The filling layer (5) filled with packer particles is arranged in an annulus (A) between the down-hole pip...
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WO/2021/025718A1 |
An automated drilling-fluid additive system and method for on-site real-time analysis and additive treatment of drilling fluid to be directly injected into a well without additional storage or handling. The drilling fluid includes return...
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WO/2021/022142A1 |
A composite drill pipe including an inner pipe having a first diameter, an outer pipe having a second diameter greater than the first diameter, and a plurality of flow channels formed between the inner pipe and the outer pipe. The plural...
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WO/2021/021101A1 |
The current method comprises producing a loss control blend by selecting blend ingredients that contribute to thixotropy of the blend, density of the blend, and compressive strength of the set blend, wherein at least one of the blend ing...
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WO/2021/021858A1 |
A vacuum bit assembly includes an adapter having first and second ends, a central bore defined in the first end, and a locking member extending into the central bore. The vacuum bit assembly includes a drill bit having a workpiece engagi...
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WO/2021/021139A1 |
A hose assembly for a pump comprising a pressurized hose, wherein the pressurized hose is exposed to pressure during at least a part of the operation of the pump, and a leak detection system comprising an outer hose concentrically positi...
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WO/2021/013838A2 |
The invention relates to a drill head for creating a substantially vertical borehole in the ground, comprising: a body, which can be connected to a rotational drive of a drilling device; drilling tools, which are arranged on the body, fo...
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WO/2021/013846A2 |
The invention relates to a drill head and to a method for producing a substantially vertical borehole in the ground, in particular for producing a shaft, said drill head comprising a body (11) which can be connected to a rotational drive...
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WO/2021/016357A2 |
A valve includes a seat, a ball, a stem, and a spring. The ball is separate from the stem. In a closed position, the ball seals against the seat. The spring biases the steam against the ball and the ball against the seat in the closed po...
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WO/2021/015747A1 |
The disclosure presents a technique for predicting the composition of a borehole mud using a thermal conductivity parameter of the mud and a dilution liquid. The mud can be altered by conditions within the borehole, such as material, flu...
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WO/2021/016488A1 |
A process for the above ground extraction of crude oil from a solid, oil bearing material. In the process includes the step (a) of mixing a solid, crude oil-bearing material with a solvent to reduce the size of the solid, oil-bearing mat...
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WO/2021/016284A1 |
A mud shearing unit including an inlet, an outlet, a diffusion chamber connected to the outlet, a shearing nozzle connected between the inlet and the diffusion chamber, and a static fan interrupting mud flowing from the shearing nozzle t...
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WO/2021/010840A1 |
Device (100) for capturing and removing magnetic material from a flow of material, wherein the device (100) includes a plurality of magnet rod assemblies (10) for capturing magnetic material in a flow of material passing the magnet rod a...
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WO/2021/011805A1 |
A material separation system is disclosed that may include a vibratory shaker, a centrifuge, a sensor, and/or a processor circuit. The vibratory shaker may be configured to separate a solid-liquid mixture into a first solids-containing c...
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WO/2021/010945A1 |
Drilling fluid can be monitored throughout a drill site and at various stages of drilling operations. The drilling fluid may be analyzed to identify components that make the drilling fluid as well as the volume of each of the components,...
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WO/2021/007483A1 |
A mud pulse telemetry valve assembly and method including a mud valve sub and a mud pulse telemetry valve. The mud pulse telemetry valve having a flow tube positioned within the mud valve sub in a way that at least a portion of an outer ...
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WO/2021/006944A1 |
A wellbore servicing fluid comprising (a) a cationic formation stabilizer having (i) a molecular weight in a range of from equal to or greater than 0.05 to equal to or less than 2.0 kiloDaltons (kDa), or (ii) cationic charge functional g...
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WO/2021/006935A1 |
A method of hierarchical pressure management for managed pressure drilling operations includes receiving a measured pressure value. If the measured pressure exceeds an MPD pressure set point, commanding one or more choke valves of an MPD...
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WO/2021/003536A1 |
A return exhaust assembly (50) for a reverse circulation hammer H comprises return tube (52) having first and second ends and a seat (56) at or near the first end (54). An exhaust sleeve (58) has: a section (60) seated and resiliently su...
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WO/2020/261305A1 |
Drilling head, comprising a perforation unit (11) provided with a rotation shaft (12) carrying at least one attachment (13) to which at least one drilling rod (14) is connectable, and tubular protection means (15) able to be positioned a...
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WO/2020/263653A1 |
A method of installing a vibratory shaker screen in a vibratory shaker, including placing a first end of the vibratory shaker screen in a retainer, wherein the retainer is one of attached and a component of the vibratory shaker; pivoting...
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WO/2020/263224A1 |
A flow control apparatus with a guide housing having one or ports, a breakable bond, and a platform with an upper surface having one or more pistons. The platform and guide housing have a first bonded configuration where the pistons are ...
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WO/2020/264233A1 |
An apparatus for agitating a slurry mixture in a vibratory shaker including a bar blank with a top surface and a bottom surface; and at least one protrusion extending away from the top surface of the bar blank, where the at least one pro...
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WO/2020/263661A1 |
Systems and methods for a screen assembly configurable in a multi-screen configuration. The screen assembly in the multi-screen configuration includes a lower shaker screen and an upper shaker screen. A track is configured to be disposed...
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WO/2020/256561A1 |
The invention is a sludge separator (0) for oil contaminated sludge masses, the sludge separator (0) comprising: - a first cylindrical, inner tank (31) comprising: - a sludge inlet (1), - a first evaporated gas outlet (7); - a solid matt...
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