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Matches 351 - 400 out of 146,530

Document Document Title
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/2019/144127A1
Systems and methods include using a fracture fluid downhole for fracturing a formation. The method includes providing an aqueous solution comprising dissolved solids at a certain ionic strength, and adding a proppant to create a fracture...  
WO/2019/143682A1
A coiled adaptive seat is held to a smaller diameter for delivery with a tool that features a locating lug for desired alignment of the seat with an intended groove in the inner wall of a tubular. The release tool retracts a cover from t...  
WO/2019/140884A1
A traffic engineering construction slope protection device, comprising a workbench (1), a hole drilling device (2), and a water quantity adjustment device (3); a drill hole (10) is opened on the workbench, the periphery of the drill hole...  
WO/2019/143456A1
The present disclosure generally relates to oilfield equipment and, in particular, to downhole tools, and related systems and methods for characterizing flow in a wellbore. More particularly, the present disclosure relates to methods and...  
WO/2019/136533A1
A method and system is disclosed for recovering hydrocarbons from a reservoir of a subterranean formation comprising a single horizontal well bore. The system comprises a completion assembly adapted to both inject from an injection point...  
WO/2019/139488A1
There is disclosed an apparatus for axially anchoring a tool11downhole in a well casing5, the apparatus comprising: an anchor 12 configured to be disposed in, and actuatably and rotatably engaged with, the casing; and a rotatable tool1 b...  
WO/2019/136511A1
The current invention relates to mining systems and mine planning and in particular, to operating a mine that automatically updates a mine plan. The mining system directs operation of mining equipment within a mine based on a mine plan t...  
WO/2019/138275A1
The present application relates to compositions and methods for enhancing fracturing operation. In some embodiments, the present application includes compositions and methods that are used to minimize clustering of proppants or introduce...  
WO/2019/139910A1
An additive, such as an aminal, a dibutylamine, or combinations thereof, may treat a system having a corrosion inhibitor in the form of at least one sulfur species and/or at least one phosphorous-containing compound. The additive may be ...  
WO/2019/140457A1
Apparatus and methods for launching objects into a wellbore. The apparatus generally includes a first object container and a container actuator. The first object container includes first compartments. The container actuator is adapted to...  
WO/2019/136765A1
Disclosed is a typical dynamic coal mine disaster early-warning service method based on an SaaS mode. The method belongs to the field of coal mine safety, and comprises the following steps: deploying disaster early-warning server softwar...  
WO/2019/139679A1
A downhole system includes a first tubular having a first end, a second end, and an intermediate portion having an inner surface defining an interior. The second end includes one of a screen liner and a casing shoe. A second tubular is c...  
WO/2019/139664A1
A pressure rated well annulus fluid expansion storage device that is capable of managing pressure variation within a well annulus by removing or adding fluid to the well annulus. The well annulus fluid expansion storage device includes a...  
WO/2019/139483A1
An attachment device (10') for securing a buoyancy module to a riser, the attachment device comprising an annular collar (11) which is split into at least two parts, and at least one flange part (12'), which is separable from the collar ...  
WO/2019/138236A1
A through-bore spool apparatus for use in deploying multiple spoolable media in a bore is disclosed. The through-bore spool apparatus comprises first, second and third spools (15, 17, 19) with a spoolable medium (20, 22, 24) wound on eac...  
WO/2019/139870A1
An asynchronous top-mounted pulser system for a measurement while drilling tool uses hydraulic flow, an obstruction, a piston-balance system, and an orifice, to create pressure pulses in drilling fluid, using hydraulic pressure on an obs...  
WO/2019/140080A1
A composition forming a free-flowing cement additive, the composition comprising a high viscosity elastomer, the high viscosity elastomer having a viscosity between 50,000 cP and 300,000 cP at room temperature; and an inert support, wher...  
WO/2019/139564A1
A production monitoring system includes a distributed acoustic sensing subsystem that includes a first optical fiber for a distributed acoustic sensing signal and a distributed temperature sensing subsystem that includes a second optical...  
WO/2019/140336A1
A ported casing collar. The ported casing collar comprises a tubular body defining an outer sleeve. At least first and second portals are placed along the outer sleeve. The casing collar also comprises an inner sleeve. The inner sleeve d...  
WO/2019/140111A1
An oil well tool operable to be deployed downhole on a production string including a tubular member having a wall extending from a first end to a second end opposite the first end and the wall forming a plurality of apertures. The oil we...  
WO/2019/139148A1
This method for producing a hydrocarbon comprises: a step for sending water vapor and a low boiling point hydrocarbon into a subterranean oil sand layer (O); a step for recovering a first mixture, in which water vapor (water), the low bo...  
WO/2019/139578A1
System and methods for predicting time-dependent rock properties are provided. Seismic data for a subsurface formation is acquired over a plurality of time intervals. A value of at least one rock property of the subsurface formation is c...  
WO/2019/140436A1
A method of screening a plurality of fluids for an effectiveness in enhancing oil recovery comprises introducing a petroleum hydrocarbon into a plurality of separate fluid channels to saturate the fluid channels, each of the fluid channe...  
WO/2019/140287A2
A method for avoiding a frac hit during a formation stimulation operation. The method includes providing a child wellbore within a hydrocarbon-producing field. The method also includes identifying a parent wellbore within the hydrocarbon...  
WO/2019/139166A1
A lock plug (7A) is inserted into a plug installation location of an insertion hole (5a) in a tool stem (5) connected to a drill string (10). When fluid is introduced into the insertion hole (5a), a locked state is achieved as the result...  
WO/2019/139818A1
A core sampling apparatus includes an inner tube configured to collect a core sample by means of a core catcher attached to one end of the core sampling apparatus, and an outer tube co-axially disposed on the outside of the inner tube, w...  
WO/2019/137594A1
The present working member of a more reliable perforating device comprises a housing (1) having a slot (14), a guide bar (2), and a cutting saw chain (3). A drive gear (4) is fastened onto the guide bar (2), also provided is a hydraulic ...  
WO/2019/136521A1
The present invention relates to a multipurpose drill system, the multipurpose drill system comprising: a drilling rig adapted to drive a drilling assembly; and two or more power sources, wherein at least one of the two or more power sou...  
WO/2019/139561A1
Techniques of optically sensing fiducial targets, such as calibration patterns, within an additive fabrication device are provided. In some embodiments, fiducial targets may be disposed on a structure configured to contact source materia...  
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/2019/137073A1
Disclosed is a multi-stage pressure bearing permeable hole sealing method, comprising thefollowing steps: 1) performing multi-segment expansion hole sealing at a position to be sealed in a borehole, wherein the number of segments for exp...  
WO/2019/136524A1
A reamer (1) for underground passageways, comprising: a support housing (3) and a plurality of radially extending cutting wings (11); a plurality of ring segments (13), wherein each ring segment (13) includes an arcuate ring portion (15)...  
WO/2019/139680A1
A shifting tool includes a body having a longitudinal axis; a structure engaging member supported by the body, the structure engaging member configured to engage and shift a structure within a tubular; and a puncture device supported by ...  
WO/2019/136554A1
A monitoring and control apparatus communicates with an electrical drive of a subsurface artificial lift system to identify, predict and mitigate against failure of the artificial lift system. A monitoring and control apparatus: reads to...  
WO/2019/138351A1
The invention relates to a ram assembly of a blowout preventer and particularly to a pipe ram front packer assembly (100) suitable for a single use, which includes a packing (110) formed of a metal material, where the metal material is s...  
WO/2019/139476A1
The invention relates to an offshore drilling vessel (1), the offshore drilling vessel comprising a BOP transport track (20) and an associated BOP transport cart (22). The BOP transport track extends between a BOP storage and a firing li...  
WO/2019/139819A1
A core sampler including an inner wall, an outer wall, a plurality of membranes disposed between the inner wall and outer wall, the plurality of membranes attached to the inner wall and outer wall at one or more attachment points, and a ...  
WO/2019/139710A1
An apparatus for determining a location of a downhole component includes at least one transmitter device and a receiver device. One of the at least one transmitter device and the receiver device is disposed at a first component of a bore...  
WO/2019/139486A1
A core drill (1) arranged to drill in the ground (99), the core drill (1) comprising a sleeve (2) with a first end portion (22) and a bit ring (3) which is detachably attached in a rotationally rigid manner to the first end portion (22),...  
WO/2019/139080A1
This corrosion inhibitor composition contains: a long-chain organic compound that has a polar group; and hydrophobic silica. A corrosion inhibitor composition charging method in which a mixed fluid that includes water and at least one ty...  
WO/2019/138108A1
An electrically passive device and method for in-situ acoustic emission, and/or releasing, sampling and/or measuring of a fluid or various material(s) is provided. The device may provide a robust timing mechanism to release, sample and/o...  
WO/2019/137908A1
An apparatus and method for downhole measurement during operation of a drilling system is disclosed. The apparatus (30) comprises: a first sensor (302) configured to detect a property of a subsurface formation (200); a radiation source (...  
WO/2019/135892A1
Rock anchors, inflation chucks, and inflation systems such as those described herein, allow for substantially complete draining of fluids from interior volumes of the rock anchors. In various situations, corrosive fluids may be introduce...  
WO/2019/134432A1
A hydraulic cutting drill bit with self-carried abrasive material, comprising a drill bit and cutting heads (20) installed around a drill bit top portion. The drill bit is composed of a drill bit outer wall (1) and a drill bit chamber bo...  
WO/2019/136242A1
A system and method for providing artificial lift to production fluids within a subterranean well includes loading an electrical submersible pump assembly (28) into an interior cavity (26) of a pump launcher (24). The electrical submersi...  
WO/2019/136017A1
A system and a method for heating source fluid, comprising: a turbine-electric generator transport comprising: an inlet plenum and an exhaust collector; a turbine connected to the inlet plenum and the exhaust collector; and an electric-g...  
WO/2019/135863A1
Methods and systems for conducting downhole operations including collecting downhole dynamic event data using a downhole tool, wherein the downhole dynamic event data is time-domain data, processing the collected downhole dynamic event d...  
WO/2019/134976A1
A drilling conductor (32) supported within a suction anchor (28) is installed by lowering the suction anchor through the top (18) of a frame (12) of a subsea processing unit (10). The base (14) of the frame defines a landing area for the...  
WO/2019/135795A1
A tool bus spans multiple segments of a bottom hole assembly (BHA) is implemented as a transmission line with only a single electrical contact (SEC) across joints of adjacent segments. A common mode (CM) choke on the transmission line pr...  

Matches 351 - 400 out of 146,530