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Matches 1 - 50 out of 13,329

Document Document Title
WO/2019/113081A1
Various implementations described herein refer to an apparatus having an instrument cluster with accelerometers and gyroscopic sensors. The apparatus may include a controller that communicates with the instrument cluster, receives measur...  
WO/2019/111304A1
Provided is a rock drilling device that is configured so that a main component member of the rock drilling device can perform a variety of operations such as a swinging operation, a horizontal revolving operation, an omnidirectional osci...  
WO/2019/104752A1
A miniature full-section drilling arrangement device for a model experiment and an application thereof, comprising a track mechanism, a drilling mechanism, and a controller (8). The drilling mechanism is provided on the track mechanism a...  
WO/2019/109081A1
Various implementations described herein refer to a method. The method may include receiving first gyro-while-drilling (GWD) survey data acquired using a first survey tool disposed within a wellbore. The method may include receiving seco...  
WO/2019/105874A1
The invention relates to a penetrating non-magnetic hollow pole inwardly containing a magnetic pole, said pole being able to penetrate the ground thanks to a water flow exiting the pole lower tip. Furthermore, the invention is directed t...  
WO/2019/108560A1
A coiled tubing wellbore fluid may include a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the coiled tubing wellbore fl...  
WO/2019/104369A1
An elongate member handling system (la, lb) connected to or connectable to a mast (101) of a rig (100), said handling system (la, lb) comprising a travelling holding assembly (la) for holding an elongate member (tubular or sucker rod - 1...  
WO/2019/103630A1
The invention relates to an autonomous drilling machine for the construction of service shafts and open shafts, also known as slots, especially designed to improve efficiency in mining and civil engineering, as well as significantly redu...  
WO/2019/100116A1
A steering collar for deflecting a drill string in a borehole to cause the borehole to be drilled in a different direction. The steering collar surrounds a hollow drive shaft which is driven by the drill string. During normal drilling op...  
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/2019/098844A1
A method for generating a freeroom (88) for a mast element (77) in a ground (99) is described, the method comprising the steps: a) drilling a first annular recess (10) into the ground (99), the first recess (10) having: - a first diamete...  
WO/2019/095524A1
Disclosed is an anti-rotation device of a non-rotating sleeve, being connected to a non-rotating sleeve, and able to transmit a circumferential force to the non-rotating sleeve so as to prevent the rotation of the non-rotating sleeve. Th...  
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/2019/095525A1
A hybrid rotary guiding device, comprising: a rotating shaft that rotationally drives a tool head (B), the rotating shaft including an upper shaft part (1), a lower shaft part (2) and a steerable part (3); the upper shaft part (1) and th...  
WO/2019/095526A1
Disclosed is a rotary steering device based on radial driving force, comprising: a rotating shaft driving a tool head, the rotating shaft comprising an upper shaft part (1), a lower shaft part (6) and a steerable part (8), and the upper ...  
WO/2019/098852A1
A system (1 ) and a method for positioning a drilling rig (2) arranged to drill in a ground (99) are described, the system (1 ) comprising: - a positioning jig (3) including at least one coupling portion (31 ); - a drilling rig (2) inclu...  
WO/2019/096990A1
The present invention relates to directional core drilling operations in the bedrock, and in particular an apparatus and method for steering a core barrel in a pre-defined path and at same time collect core samples of the bedrock, using ...  
WO/2019/095527A1
A rotary guide device, comprising: a rotary axis (1), the rotary axis (1) rotatingly driving a tool head (5), and the rotary axis comprising at least one steerable part (4); a first non-rotating body (2) and a second non-rotating body (3...  
WO/2019/099100A1
A downhole vibration assembly includes a valve positioned above a rotor that is disposed at least partially within a stator. The rotor is operatively suspended within an inner bore of a housing and configured to rotate within the stator ...  
WO/2019/068938A3
In preparation for directional drilling, a wedge supported distally ahead of a tubular drill string is advanced along a parent hole. The wedge is connected to the drill string by a rigid link that extends along a central longitudinal axi...  
WO/2019/091043A1
Disclosed is a method for loading an oil pipe in a gas well without well killing, the method comprising the following steps: loading a bridge plug (3) into a wellbore (1), such that the bridge plug packs and blocks in the wellbore at a d...  
WO/2019/088900A1
The present disclosure relates to a power system (100) in a mining machine (10) configured to perform an at least partly stationary, high power operation driving one or more electrically powered tools (12) of the mining machine. The powe...  
WO/2019/089420A1
A floating driller having a hull, a main deck, an upper cylindrical side section extending downwardly from the main deck, an upper frustoconical side section, a cylindrical neck section, a lower ellipsoidal section that extends from the ...  
WO/2019/089880A1
A system includes a processing device (70) configured to determine a tripping operation to be undertaken. The processing device (70) is configured to also calculate a variable tripping speed for the tripping operation to vary a speed of ...  
WO/2019/083916A1
Arrangements and methods for acid tunneling and fracturing within a wellbore. Acid is flowed into a wellbore to form a lateral tunnel which extends radially outwardly from the main wellbore. Thereafter, a fracturing bottom hole assembly ...  
WO/2019/081004A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/084433A1
Various implementations directed to using a rotary steerable system (RSS) drilling tool based on dogleg severity are provided. In one implementation, a method may include receiving a predetermined dogleg severity for a portion of a wellb...  
WO/2019/081319A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/083621A1
An apparatus disposed on a drillstring for deviating a borehole advanced by a drill bit includes a housing, a director, and an actuator. The housing on the drillstring transfers rotation to the drill bit. The housing has a bore communica...  
WO/2019/081318A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide obtained by hydrolyzing acrylonitrile in water in the presence of a biocatalyst capable of converting acrylonitrile...  
WO/2019/083516A1
An agitator for vibrating a drill string includes an agitator housing, a rotor and an agitation mass. The drill string has a central axis. The rotor is coupled to the agitator housing and being rotatable about an agitator axis. The agita...  
WO/2019/081008A1
The present invention relates to methods for preparing aqueous acrylamide solutions having a low acrylic acid concentration, aqueous acrylamide solutions obtainable by such methods, and acrylamide homopolymers or copolymers obtainable by...  
WO/2019/081331A1
The present invention relates to methods for preparing aqueous acrylamide solutions having a low acrylic acid concentration, aqueous acrylamide solutions obtainable by such methods, and acrylamide homopolymers or copolymers obtainable by...  
WO/2019/081327A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/081323A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/083622A1
A rotary steerable tool used for directional drilling include a housing, at least one external director, and at least one valve. The external director is hydraulically movable to an extended condition relative to the housing, and the val...  
WO/2019/081330A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
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/2019/081321A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/081320A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/081003A1
Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein th...  
WO/2019/076135A1
Disclosed is a drilling speed-raising device capable of producing double actions of hydraulic pulse and impact vibration. The device comprises an upper joint (1), a drilling tool body (2) and a lower joint (3). The upper end of the lower...  
WO/2019/075508A1
The present disclosure relates to an underreamer. In one aspect, the underreamer comprises a body, the body comprising at least one pocket therein, the underreamer further comprising at least one cutter secured with respect to the body, ...  
WO/2019/077518A1
A drilling apparatus and a method for releasing rods stuck in surrounding ground are described, that use a torsional device for releasing the drilling assembly and induce centrifugal forced vibrations and bending vibrations in the drilli...  
WO/2019/072836A1
A drill string sub for a rotary steerable drilling system wherein a flow diverter is configured, which flow diverter is configured rotatable about a drill string longitudinal axis at a relative rotation frequency relative to the drill st...  
WO/2019/071329A2
Offshore production systems and methods relating thereto are disclosed. In an embodiment, the offshore production system includes a surface vessel. In addition, the offshore production system includes a closed-loop cooling fluid circulat...  
WO/2019/073123A1
An arrangement and method for installing a casing. The arrangement (100) comprises a casing (1 ), a bar part (2) adapted rotatable inside the casing, the arrangement further comprising a borer (6) which comprises a blade part (15) to rel...  
WO/2019/075076A1
The present invention provides a method and apparatus for increasing the drift diameter and improving the well path of the wellbore, accomplished in one embodiment by cutting away material primarily forming surfaces nearer the center of ...  
WO/2019/014548A9
A method for mitigating a fluid flow from a target wellbore using a relief wellbore includes receiving wellbore geometry information of the target wellbore, receiving an initial interception point of the target wellbore, simulating a cha...  
WO/2019/075126A1
Methods and apparatus for releasing a lead mill of a BHA from a whipstock in a wellbore include slideably releasing the BHA from the whipstock without relative rotation and without destruction of a retractable bolt. A system includes: a ...  

Matches 1 - 50 out of 13,329