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Matches 1 - 50 out of 4,694

Document Document Title
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...  
WO/2019/078808A1
A high-pressure float valve for positioning downhole within a well to control fluid flow includes a valve cage having a pair of side seal grooves each for receiving an exterior elastomeric seal therein and a plurality of cutouts provided...  
WO/2019/078991A1
The present disclosure relates to methods and systems for controlled delivery of unknown fluids that safely and efficiently removes entrained gas from unknown fluids in the wellbore and/or marine riser. A control system automatically con...  
WO/2019/079666A1
A sample catching system for cleaning a drilling fluid in a drilling operation includes a first line having a first entrance valve configured to allow the drilling fluid to flow into the first line, a first chemical sensor for measuring ...  
WO/2019/074376A1
A system for surge protection of a riser adapted to transport gas from a hydrocarbon production well or for surge protection in a well, the system comprising: a flexible tubing, wherein a portion of the flexible tubing extends into the r...  
WO/2019/074472A1
Extracting and separating solid particulates from a drilling fluid includes combining a stream of drilling fluid containing solid particulates with a liquefied gas to form a mixture having a reduced viscosity and/or density. The mixture ...  
WO/2019/070653A1
The present disclosure provides methods for degrading filter cake and filter cake removal, and compositions for removing filter cake from a subterranean borehole. The methods involve contacting the filter cake with a composition containi...  
WO/2019/070505A1
A choke can include a variable flow restrictor, external ports in communication with a flow passage respectively upstream and downstream of the flow restrictor, and sensor(s) in communication with the external ports. A method can include...  
WO/2019/068378A1
A downhole mud filter (100) comprising a tubular member (1) connectable to the drill string used to prevent debris-laden fluid from entering sensitive BHA tools and components further downhole relative to the mud filter. A tubular member...  
WO/2019/063985A1
A flow control tool (14) for controlling the flow of fluid in a wellbore (10) is disclosed. The tool comprises a hollow body (26) defining a through-bore (28) and at least one flow port (30) extending through a wall (31) of the body for ...  
WO/2019/060236A1
A method for identifying anomalous mud flow includes determining an operating rate of a mud pump discharging to a pipe string in a wellbore. Mud returned from the wellbore is moved to a first metering tank. Mud is moved from the first tr...  
WO/2019/060098A1
Apparatus and methods for degassing and analyzing drilling fluid discharged from a wellbore at an oil and gas wellsite. The apparatus may be a drilling fluid analysis system having a gas analyzer, a fluid analyzer, and a degasser operabl...  
WO/2019/060844A2
A process is provided that includes forming an aqueous slurry of carbonaceous particles; combusting the aqueous slurry in an internal combustion engine to form a carbon dioxide-containing product; and injecting at least a portion of the ...  
WO/2019/060866A1
A well operation facility including a first pump for delivering mud and cement to a borehole, a second pump for delivering mud to the borehole; a third pump for delivering the mud to the borehole, an inlet manifold coupled to each of the...  
WO/2019/060233A1
An apparatus includes a non-rotating housing, a rotatable member rotatably supported in the non-rotating housing and a bearing adapter sleeve disposed externally to the non-rotating housing. The bearing adapter sleeve has an internal ups...  
WO/2019/053092A1
A method includes producing a first blended low salinity injection water for injection into at least one injection well (20) that penetrates a first region (56) of an oil-bearing reservoir and producing a second blended low salinity inje...  
WO/2019/051551A1
A batch sample preparation apparatus (10) for preparing a geological sample for analysis is described and claimed. The apparatus (10) comprises a dryer (12) having a drying (chamber 52), a sample inlet (20) and at least one sample outlet...  
WO/2019/055230A1
A method includes conducting a downhole operation to access a reservoir, providing a control platform in communication with equipment units from different operational systems affecting bottom hole pressure in the downhole operation, and ...  
WO/2019/055604A1
Moisture separation systems and condensation devices for gas extracted from drilling fluids while drilling are provided. The condensation devices include a body having a first end and a second end and an exterior wall defining an interio...  

Matches 1 - 50 out of 4,694