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Patent Searching and Data


Matches 601 - 650 out of 4,273

Document Document Title
WO/2020/112212A1
The present disclosure provides methods and systems for treatment fluids including an iodide brine. In some embodiments of the present disclosure,: an oil-based treatment fluid in the form of an invert emulsion comprising an aqueous inte...  
WO/2020/102631A1
Sand separation systems and methods according to which one or more energy sensors are adapted to detect a response to energy imparted to a sand separator of a known type. One or more computers are adapted to communicate with the one or m...  
WO/2020/101687A1
A method of removing solids from a drilling fluid that includes applying a first electric current to a first screen of a screen assembly within a vibratory screening machine; passing the drilling fluid through the screen assembly while t...  
WO/2020/102262A1
A method of placing compressible particles within a wellbore. The method first comprises accessing a wellbore. The wellbore has a first string of casing and a second string of casing, wherein the first string of casing surrounds an upper...  
WO/2020/102149A1
A wellbore fluid may include an oleaginous fluid forming a continuous phase; a non-oleaginous fluid forming a discontinuous phase; at least one emulsifier stabilizing an emulsion of the non-oleaginous continuous phase within the oleagino...  
WO/2020/097695A1
A method of mining comprising the steps of introducing a mining head into a borehole fracturing the ore with the mining head and extracting the fractured ore through a borehole to a location remote from the mining head.  
WO/2020/101962A2
An embodiment of a fluid bypass apparatus includes an axially elongated body configured to be deployed in a borehole in an earth formation, the body including a pilot conduit that allows fluid to flow through the body and a bypass condui...  
WO/2020/093414A1
A coring device, comprising a core drilling tool, a core catcher (6), a rock core barrel (1), a drilling machine outer cylinder (16), a flap valve (3) and an inner rod (2) for pulling the rock core barrel (1); the core catcher (6) is pro...  
WO/2020/093413A1
A control mechanism of a core drilling rig, comprising: a central rod (14) and an outer barrel (23). The central rod (14) passes through, from the rear to the front, the inner cavities of a fluid channel activation module, an outer barre...  
WO/2020/095040A1
The integration joint assembly includes an integration joint body (10) having a through bore (16), the body being for connection with a riser system. The integration joint assembly permits a tubular work string (50; 54) to pass there thr...  
WO/2020/097489A1
A method of drilling a wellbore may include drilling the wellbore using a wellbore fluid that has rheological property values for 6rpm, 10 minute gel, Yield Point, and/or 10 minute-to-10 second gel ratio that are +/ 20% of the mean value...  
WO/2020/092223A1
A hydrocarbon extraction system that includes an erosion control system. The erosion control system includes a housing defining a first inlet, a second inlet, and an outlet. The housing receives and directs a flow of a particulate laden ...  
WO/2020/082153A1
A rotating cutter apparatus including a housing having a housing interior surface defining a housing bore, a shaft extending through the housing bore such that an annular space is provided between the housing interior surface and the sha...  
WO/2020/087084A1
A friction reducing tool (FRT) for reciprocating a drill string, the FRT including an outer housing having a central axis, a first end, a second end opposite the first end, and a passage extending axially from the first end to the second...  
WO/2020/086513A1
A wellbore fluid may include an oleaginous continuous phase; a non-oleaginous discontinuous phase; an emulsifier stabilizing the non-oleaginous phase within the oleaginous phase; a low density material selected and in an amount to result...  
WO/2020/076310A1
A downhole tool includes an outer sub and a mandrel positioned within the outer sub. The outer sub and the mandrel are tubular. The interior of the mandrel defines a bore flow path, and the annular space between the outer sub and the man...  
WO/2020/074949A1
An example system for conditioning drilling fluid includes a tank to hold drilling fluid and outlet conduits located at least partly within the tank. The outlet conduits have a tree structure that includes a trunk and branches. Each of t...  
WO/2020/072173A1
A method for measuring fluid flow including disposing a measurement device within a fluidic channel, the measurement device including a hydrodynamic central body, a plurality of arms coupled with and operable to extend from and retract t...  
WO/2020/069891A1
The invention relates to a suction device (1) for a core drilling device, said suction device comprising a housing (4) which has at least one cavity (7) and which has a cover (2) and a wall (3) connected to the cover (2) around the perip...  
WO/2020/070546A1
An example drill bit (1) includes a body (10) that is connectable to a drill string (2). The body (10) has a base (7) configured to face downhole within a wellbore (5) and a perimeter (6) configured to face a wall (8) of the wellbore (5)...  
WO/2020/072722A1
An apparatus to simulate fluid loss through vugs in formations includes a housing defining an inner volume, and having a first end and a second end. The inner volume represents an inner region of a wellbore formed in a formation containi...  
WO/2020/071922A1
The present application discloses a device for controlling a passage of fluid in a tubing string. The device comprises a fluid chamber and two pistons for interact-ing with a fluid inside the fluid chamber. Each piston is adapted for cat...  
WO/2020/069893A1
The invention relates to a suction device (1) for a core drilling device, said suction device comprising a housing (4) which has at least one cavity (7) and which has a cover (2) and a wall (3) connected to the cover (2) around the perip...  
WO/2020/052109A1
Disclosed is a rotational flow rotation deoiling method for oil-based mud rock debris. The method comprises the following steps: (1) System viscosity control, wherein by means of heat exchange between a gas medium and the rock debris, th...  
WO/2020/055964A1
A polymer patch system and method associated with a casing to be installed in a wellbore. The polymer patch has a polymer layer and an internal space radially under the polymer layer to form an internal annulus between the polymer layer ...  
WO/2020/055262A1
A method of drilling a borehole at an oil and gas installation uses a modified form of coiled tubing or snubbing string drilling. The method includes: circulating mud through a mud circuit during a drilling operation, wherein the mud cir...  
WO/2020/049473A1
The subject of the invention is a jet-system pipe laying procedure, characterized in that during drilling a driving medium containing water or water and air is transported from the driving medium container (5) by the pressure unit (1) in...  
WO/2020/046866A1
A pump assembly (100) includes a power end (109) including an output shaft (118) having an output shaft axis (115). The pump assembly includes a fluid end (60) including a piston (64) configured to reciprocate to pressurize the working f...  
WO/2020/047543A1
A well system includes a drilling vessel, a concentric drillstring extending from the vessel into a subterranean wellbore disposed beneath a mudline, wherein the concentric drillstring is configured to circulate a drilling fluid from the...  
WO/2020/037913A1
A horizontal well drilling apparatus for testing lubricity, taking a cuttings bed into account. The testing apparatus comprises a simulated wellbore (8), wherein one end of the simulated wellbore is provided with a pulley (16), and the o...  
WO/2020/041428A1
A tool, e.g. a downhole tool, utilizes at least one actuator which may be actuated rapidly between positions during operation of the tool. The actuator is moved via flow of an actuating fluid controlled by a main valve which, in turn, is...  
WO/2020/041238A1
A diffuser assembly is provided which includes an upper mounting member mountable within a conduit and having an fluid inlet port, and a lower section having a diffuser screen. A plurality of radially oriented cutters are removably attac...  
WO/2020/037221A1
A downhole tool for cyclically generating cyclical pressure waves in drilling fluids of sufficient magnitude to vibrate a drill string or coiled tubing to reduce friction between drill string or coiled tubing and a wall of an uncased or ...  
WO/2020/034643A1
A drilling process of a pressure-preserving cable core drilling machine for subsea natural gas hydrates, comprising the following steps: 1) drilling down; 2) core drilling by suction and pure-pressing for soft formation, or core drilling...  
WO/2020/036920A1
A production tubing pressure insensitive wireline retrievable safety valve includes an upper and a lower packing to create a hydraulic seal in an annulus surrounding a portion of the wireline retrievable safety valve and a hydraulic flui...  
WO/2020/036491A1
A method is described for supply of liquid from a liquid storage to a casing string (10,12, 14..) which from a deck (16) on an installation is conveyed down in a well with the help of a pipe handler comprising an elevator, where the liqu...  
WO/2020/030043A1
A high-pressure air ramming device for an oil well (30), and a method. The device comprises an energy storage tank (11), an air jetting pipe (5), and a collector (14). The air jetting pipe (5) extends into the oil well (30) from a wellhe...  
WO/2020/033155A1
A piston pump includes a frame, a housing configured to be coupled to the frame via a fastener, an annular liner defining a chamber configured to receive a piston of the piston pump, and an annular liner lock flange circumferentially sur...  
WO/2020/028675A1
A well cellar assembly, and a method of using same, with the well cellar including a base plate, the base plate having at least two well slot openings therein for receiving a conductor pipe, and at least one vertically extending side wal...  
WO/2020/023398A1
A method of drilling in a subterranean formation. A method may include providing a direct emulsion drilling fluid comprising an aqueous fluid, an oil, and a polysorbate emulsifier; circulating the direct emulsion drilling fluid from a su...  
WO/2020/023227A1
A method of preparing a solid surfactant composite may include: coating a liquid water-wetting surfactant on a solid carrier; and drying the solid carrier to produce the solid surfactant composite. A method may include: introducing a spa...  
WO/2020/023401A1
A method of drilling in a subterranean formation is disclosed. The method may include providing a direct emulsion drilling fluid comprising an aqueous-based fluid, an oil, and a poly-quaternary ammonium chloride emulsifier; circulating t...  
WO/2020/023286A1
A downhole fluid injection system comprising: a first fluid line including a first end, a second end, and an intermediate portion, the first end being connected to a fluid source, the first fluid line being extendable along a first porti...  
WO/2020/018093A1
Provided is a water retort apparatus, methods of using the water retort apparatus, and systems including the water retort apparatus. An example of the water retort apparatus comprises a sample test cell, a heating element configured to h...  
WO/2020/014009A1
An apparatus includes a sensor assembly disposable in a drill string proximate a drilling motor. The sensor assembly has a first pressure sensor in fluid communication with an upstream side of a rotor in the drilling motor, a second pres...  
WO/2020/014116A1
A method for making natural gamma ray measurements of a subterranean formation includes causing a natural gamma ray sensor on an LWD tool to acquire a spectral gamma ray measurement while a neutron source emits neutrons. The measurements...  
WO/2020/006620A1
Wellbore synthesis techniques are disclosed suitable for use in geothermal applications. Embodiments are provided where open hole drilled wellbores are sealed while drilling to form an impervious layer at the wellbore/formation interface...  
WO/2020/005390A1
A method for demulsifying a recovered drilling fluid is disclosed. A recovered drilling fluid is first combined with dilution water and a diethanolamine-based C8-C18 alkanolamide demulsifying agent. The recovered drilling fluid comprises...  
WO/2019/241980A1
A method for early kick detection in a drilling system with a drilling fluid loop, comprising: collecting flow-in rate and flow-out rate of a drilling fluid; calibrating the flow-out rate to obtain a calibrated flow-out rate of the drill...  
WO/2019/240835A1
Systems and methods remove and/or collect magnetic debris from drilling fluid and have a sleeve with a length defined between first and second ends of the sleeve, wherein the first end of the sleeve is connectible to at least one portion...  

Matches 601 - 650 out of 4,273