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Matches 1 - 50 out of 4,715

Document Document Title
WO/2019/157481A1
Methods and systems for isolating a loss circulation zone (28) of a subterranean formation (22) includes lowering a drill string (16) having a tubular member (18) from a surface into a subterranean well (10) and securing a packer assembl...  
WO/2019/157040A1
A remediation plant for remediating drilling mud, cuttings, and fluids. The preferred plant includes a reboiler that is adapted to provide heat to the drilling mud, cuttings, and fluid, a mud drum that is operatively connected to the reb...  
WO/2019/152074A1
A method and apparatus for installing an object in a flow line or other compartment, such as a surface inline filter assembly having a removable screen filter apparatus. A housing has a central through bore and an elongate slot or openin...  
WO/2019/144663A1
A drilling and dust removal integrated device of a mining drill carriage, comprising: a drill pipe (2); a drill carriage motor (1) rotated to drive the drill pipe to drill; a dust hood (10) provided corresponding to the drill pipe; a cyc...  
WO/2019/144661A1
Disclosed are a mining drill and a dust removal device therefor. The mining drill comprises a drill rotary device (1) and a drill rod (2), and during operation, the drill rotary device (1) drives the drill rod (2) to drill so as to perfo...  
WO/2019/144662A1
Disclosed are a mining drill and a dust suction cover therefor, and a dust removal device. The dust suction cover (1) comprises: a conical cover (10) and a cylindrical cover (20), wherein a top opening of the conical cover (10) matches a...  
WO/2019/078728A3
A system and method of cleaning an annular area in a well (2), comprising: - a first pipe body (4) and a surrounding second pipe body (6); - a first annulus (8) containing a clean fluid (10), and a surrounding second annulus (12) contain...  
WO/2019/145602A1
An arrangement and a method for installing a casing in a borehole. The arrangement (100) comprises a casing (1), a boring pipe (2) which is adapted within the casing (1), the boring pipe (2) comprising flow channels for compressed air (3...  
WO/2019/143402A1
A method of safe pressurized mud cap drilling includes determining a set point for a surface backpressure choke manifold, injecting sacrificial fluids into a drillstring disposed in a wellbore, injecting weighted mud into an annulus, and...  
WO/2019/139576A1
Methods and systems for managing dielectric properties of a pulsed power drilling fluid are provided. In one embodiment, the methods include introducing a drilling fluid into a drilling pipe that extends into a portion of a wellbore; sep...  
WO/2019/135814A1
A fluid flow control device includes a rotatable component for rotating about an axis in response to fluid flow from an inlet port of the fluid flow control device. A float component is positioned within the rotatable component and conne...  
WO/2019/135775A1
A system and method to control fluid flow to downhole tools and equipment, and to allow formation testing and sampling operations is disclosed. The system includes an actuator assembly that may be mechanically or electrically activated t...  
WO/2019/127878A1
Provided are a screw drilling tool by-pass valve with large displacement splitting function and a using method thereof. The screw drilling tool bypass valve comprises a valve body (1), and a primary valve core (2) and a secondary valve c...  
WO/2016/066177A3
This technique (Dynamic Underbalanced Drilling- DUBD) is based on basic physical and fluid mechanics laws to create an underbalanced zone below and around the bit. This technique utilizes the high velocities of drilling fluid coming out ...  
WO/2019/125477A1
Systems and methods for determining the composition of a drilling fluid using electro-rheology.  
WO/2019/125471A1
Systems and methods for determining the composition of a drilling fluid using electro-rheology may be provided. A method for drilling a wellbore may include circulating a drilling fluid in a wellbore. The method may include extending the...  
WO/2019/089624A4
A reciprocating pump system includes a reciprocating pump including a fluid end configured to receive a suction fluid flow and discharge a discharge fluid flow, and a suction booster assembly coupled to the fluid end, the suction booster...  
WO/2019/126286A1
A downhole drilling tool and methods for using the tool include a body with a wall that defines an internal volume, and at least one arm attached to the wall, the at least one arm comprising a channel within a body of each arm. The at le...  
WO/2019/118762A1
An composition comprising a solution comprising an acid selected from the group including: phosphoric acid, fumaric acid, nitric acid, sulfurous acid, sulfonic acid, perchloric acid, acetic acid, sulfuric acid or a combination thereof, m...  
WO/2019/118905A1
A syringe assembly for a hydraulic fracturing system includes a syringe having a material chamber, a base fluid chamber, and a piston. The material chamber is configured to be fluidly connected to a fluid conduit. The piston retracts to ...  
WO/2019/108183A1
A drilling operation can be optimized based on feedback provided by density sensors in a flow pipe. The drilling can be in a wellbore penetrating a subterranean formation while circulating a drilling fluid. The sensor can be used to dete...  
WO/2019/103992A1
A procedure and apparatus for cementing and cleaning a reservoir liner (3) comprises installing a reservoir liner using a drill string (4) which extends only as far as the distal end of a cased part (2) of the well, then, using the drill...  
WO/2019/104212A1
Working an underground arcuate path around at least a portion of an obstacle with a casing extending into the underground arcuate path, connecting a rotating control device to the casing; and a Venturi device connected to the rotating co...  
WO/2019/104332A1
A subterranean coring assembly can include a body having at least one wall that forms a cavity, wherein the cavity has a top end and a bottom end. The subterranean coring assembly can also include a first flow regulating device movably d...  
WO/2019/099858A1
A fluid composition including a base fluid; and an additive composition. The additive composition includes an emulsifier; a fluid loss control agent; a rheology modifier; and a viscosifier. The fluid composition is free or substantially ...  
WO/2019/100033A1
A downhole device comprising a novel apparatus and vibratory assemblage that initiates and maintains mechanical agitation within the horizontal section of a well bore by providing both low and high vibration, in multiple axis and planes,...  
WO/2019/095035A1
An aqueous caustic composition comprising: a caustic component; an alkanolamine additive adapted to provide an extended buffering effect to the caustic composition when such is exposed to acid; and water. Uses and methods of using such c...  
WO/2019/095036A1
An aqueous caustic composition comprising: a caustic component; an additive adapted to provide an extended buffering effect to the caustic composition when such is exposed to an acid; and water. Methods of using such compositions are als...  
WO/2019/095034A1
An aqueous caustic composition comprising: a caustic component; an amino acid additive adapted to provide an extended buffering effect to the caustic composition when such is exposed to an acid; and water, w herein the caustic component ...  
WO/2019/099316A1
Flowback aid mixtures and oil-in-water microemulsions produced by combining an aqueous brine with the flowback aid mixtures are disclosed. The flowback aid mixture comprises an oil, a fatty alcohol ethoxylate, and a quaternized fatty ami...  
WO/2019/099046A1
A buoyancy assist tool has an outer case with a rupture disk assembly connected therein. The buoyancy assist tool defines the upper end of a buoyancy chamber in a well casing. A sleeve in the outer case traps the rupture disk membrane af...  
WO/2019/099240A1
A flow control assembly (100) for subsea applications comprises a valve assembly (101) and a damper assembly (402) configured to control fluid flow between an external region and the valve assembly (101). The damper assembly (402) compri...  
WO/2019/099693A1
A method can include training a deep neural network to generate a trained deep neural network where the trained deep neural network represents functions of a non-linear Kalman filter that represents a dynamic system of equipment and envi...  
WO/2019/100037A1
A technique to facilitate removal of various types of particulates from fluids during well operations. The technique may employ a skid positioned at a surface location. A filtration system is mounted on the skid to enable filtration of p...  
WO/2019/092450A1
A safety latch (10) for a mud skip container includes a first latch (12) that is pivotal within a bracket (14) that is mounted to a top (13) of the container. The first latch includes a pivoting head (32) with a downwardly projecting cat...  
WO/2019/094106A1
A composite plug (300) for sealing a well includes a mandrel (204) having an internal bore (202), the mandrel having a first end (204A) and a second end (204B), opposite to the first end, and the bore (202) extending from the first end (...  
WO/2019/094188A1
A flowback tank cleaning system and method is described. A flowback tank includes a self-cleaning system. A flowback tank cleaning method may include moving solid debris collected at a bottom of a collection section of a flowback tank to...  
WO/2019/089977A1
A method to measure fracture length and geometry/complexity from pressure decay and diffusion and near wellbore conductivity measurements with far-field conductivity estimates.  
WO/2019/089865A1
A portable resilience testing apparatus for lost circulation materials (LCMs) is provided. The portable resilience testing apparatus includes a test cell and a probe that moves and applies a force to a sample of LCM contained in the test...  
WO/2019/089624A1
A reciprocating pump system includes a reciprocating pump including a fluid end configured to receive a suction fluid flow and discharge a discharge fluid flow, and a suction booster assembly coupled to the fluid end, the suction booster...  
WO/2019/089947A1
A system, includes a first sensor configured to monitor a first characteristic of drilling fluid and generate a first indication based on the monitoring. The system also includes a second sensor configured to monitor a second characteris...  
WO/2019/086918A1
A system for measuring flow-out on a drilling rig. The system having a bottom flume box, where two fluids are alternately fed into the bottom flume box. The fluids are directed in a vertical direction creating a horizontal fluid level to...  
WO/2019/083377A1
A drill string safety valve device (1) has a body (2) with a through-going flow bore (25) and connectors (3, 4) at respective ends (19, 18) for connection to tubulars, such as pipe joints. A valve member (7; 29) is movably arranged in sa...  
WO/2019/084188A1
Methods and systems for connecting threaded tubulars are presented. One example method generally includes monitoring relative rotation between a backup tong and a tubular clamped in the backup tong to determine slippage of the backup tong.  
WO/2019/081328A1
Process for producing hydrophobically associating polyacrylamides Summary Process of manufacturing hydrophobically associating polyacrylamides comprising at least acrylamide or derivatives thereof and an associative monomer by adiabatic ...  
WO/2019/079946A1
A bypass valve structure for an oil screw drill, comprising an outer valve body (1), an upper tapered threaded joint (2) provided on the upper end of the outer valve body (1), and a lower tapered threaded joint (3) provided on the lower ...  
WO/2019/079899A1
An electrically powered drilling rig, such as for slim hole drilling, includes a drilling floor positioned over a drilling well, a set of pieces of drilling equipment operable for drilling the well, a first enclosure being positioned rem...  
WO/2019/083736A1
A fluid delivery system including a pulsation dampener coupled between a standpipe manifold and a standpipe is provided. The fluid delivery system includes a fluid reservoir, a fluid pump, a manifold, a pulsation dampener, and piping. Th...  
WO/2019/079668A1
An auto cleaning system for cleaning a drilling fluid in a drilling operation, includes a controller configured to determine the difference between a pressure reading by a first pressure sensor and a second pressure sensor is above a pre...  
WO/2019/079667A1
An auto cleaning system for cleaning a drilling fluid in a drilling operation includes a first line, a second line, an auto clean pump operatively connected to the first line and the second line, and an electromagnetic device around at l...  

Matches 1 - 50 out of 4,715