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Matches 1 - 50 out of 9,760

Document Document Title
WO/2021/069694A1
The invention relates to variation of concentrations of abrasive particles (92) in a stream (90) of drilling fluid mixed with abrasive particles, passed as an abrasive jet through abrasive nozzle(s) of a drill bit (10) along rotations th...  
WO/2021/072447A1
A technique facilitates automated location of and access into specific laterals in a multilateral well utilizing a coiled tubing system. The locating and access technique employs an automated sequence using edge computing capabilities wh...  
WO/2021/072038A2
A system for securing a downhole tool to a housing includes a plurality of linear wave springs placed around a chassis. The linear wave strings have an unstressed height that is less than or equal to an annular gap. This reduces the inse...  
WO/2021/071513A1
Foaming formulations and methods and systems for using foaming formulations are disclosed. Concentric tubing can be positioned in a wellbore in a subterranean formation to position an exit orifice of the concentric tubing at a target zon...  
WO/2021/069657A1
A drilling assembly for percussive drilling, comprising at least two of a drill bit, a drill rod and a guide adapter; wherein the peripheral surface of the shoulder on the drill rod is at least partially encased in both radial and axial ...  
WO/2021/070057A1
A multifunctional drilling enhancement tool (200) includes a shaft (202) having a bore (201) extending along a longitudinal direction (X); a main cutting device (210) rotatably and slidably attached to the shaft (202); a first housing (2...  
WO/2021/069402A1
The invention relates to a tubular threaded joint (1) for drilling, operating hydrocarbon wells or transporting oil and gas, comprising a male threaded tubular element (2) and a female threaded tubular element (3), the female threaded tu...  
WO/2021/072352A1
A reamer includes a housing, a first reamer block, and a second reamer block. The first reamer block includes a leading wall. A second reamer block includes a trailing wall, the trailing wall including a recess. The leading wall is inser...  
WO/2021/072059A1
A method of controlling operation of equipment that spools cable on and off a rotatable drum, in one or more embodiments, includes obtaining video data of a position of the cable on the rotatable drum. The method can also include feeding...  
WO/2021/072433A1
A technique facilitates precision fluid conveyance and placement to one or more desired locations in a borehole, e.g. a wellbore. According to an embodiment, a material container, e.g. a fluid container, and/or a fluid flow path system m...  
WO/2021/021418A4
A wet mate connection can include two connector assemblies, each connector assembly including at least one connector and a protective barrier displaceable between closed and open positions, and one connector assembly including an engagem...  
WO/2021/058481A1
A threaded tubular connection comprises a first tubular (12) component and a second tubular component (14). The first tubular component (12) includes a female portion (10) defined on an interior surface of the first tubular component. Th...  
WO/2021/058515A1
The invention relates to a bend restrictor (100) for a flexible member (110), in particular an underwater cable (111), the bend restrictor (100) comprising at least two base elements (10, 11, 12) each having a feedthrough (17) for the fl...  
WO/2021/061395A1
Steering mechanisms for use in RSS systems may be devoid of an elastomeric piston seal. Pistons of the steering mechanisms have a convex cross-section that permit the piston to pivot along with a steering pad while moving laterally or ra...  
WO/2020/095016A8
A protective cap (1) is proposed for an end of an elongate member (6), such as a male connecting end of a pipe or tube. The cap (1) comprises a sheath of flexible, resilient (i.e. elastic) material (2) to cover part of the outer surface ...  
WO/2021/058812A1
The present invention concerns apparatus for effecting a change in direction during driving of a tubular (2) into a formation to establish a wellhead. The apparatus comprises a drive shoe (3) extendable from within a tubular, the drive s...  
WO/2020/180201A8
The invention refers to a downhole piston pump for the exploitation of the oil, used in the extraction of hydrocarbons from the productive layers of the oil wells by sucker rods. The pump according to the invention consists of a drive he...  
WO/2021/006874A3
A method and system for pad alignment may comprise disposing a downhole tool into a borehole, taking a measurement with the electrode with at least one operating frequency, correcting the measurement to account for local formation dip, c...  
WO/2021/054835A1
An assembly for wireless data transfer along a tubular, wherein the tubular is suitable for transporting hydrocarbons; the assembly comprising a plurality of sensor devices distributed along the longitudinal direction of the tubular, the...  
WO/2021/055709A1
A subsea wiring apparatus (200) includes a housing (202) having a cavity (210) extending from a first end (206) to a second end (208). The apparatus also includes an electrical connector (302) arranged within the cavity (210), the electr...  
WO/2021/050888A1
Systems and methods for damping torsional oscillations of downhole systems are described. The systems include a downhole drilling system disposed at an end of the downhole system in operative connection with a drill bit. A damping system...  
WO/2021/048592A1
A method for approximating and connecting an off shore riser duct 2 to a floating unit FPSO 3, comprising installing a tubular coupling recipient 4 on the floating unit 3 at a riser coupling level 5, said coupling recipient 4 having an a...  
WO/2021/050335A1
Systems and methods for damping torsional oscillations of downhole systems are described. The systems include a downhole string comprising a disintegration device and a damping system at least one of in and on the downhole string, the da...  
WO/2021/050043A1
Systems and methods for separating paramagnetic material in wellbore return fluid. A quadrupole magnet system is disposed along conduit so that a paramagnetic field is symmetrically formed about a central axis of the conduit. A wellbore ...  
WO/2021/050930A1
A vibration isolating coupler for isolating torsional vibration in a drill string includes a first coupler portion including a first annular wall having an external surface and an internal surface defining a first central bore portion an...  
WO/2021/050334A1
Methods and systems for damping torsional oscillations of downhole systems are described. The systems include a downhole string, a bit support assembly configured to support and receive a disintegration device, wherein the disintegration...  
WO/2021/050884A1
An apparatus for damping vibrations includes an inertial mass disposed in a cavity in a rotatable downhole component, the rotatable component configured to be disposed in a borehole in a subsurface formation, such as a resource bearing f...  
WO/2021/050892A1
A vibration isolating coupler including a first coupler portion, a second coupler portion including an external surface and an internal surface portion, and a vibration isolating portion extending between the first coupler portion and th...  
WO/2021/046115A1
An apparatus includes a tubular, pressure sensors, expandable pads, a hydraulic chamber, and a computer system. The apparatus can be run in a wellbore. The apparatus is configured to detect whether the tubular is stuck within the wellbor...  
WO/2021/043821A1
A system for conducting a subterranean operation with nozzle of a doping device rotationally fixed to a rig with the nozzle being directed radially toward a portion of a tubular when the portion of the tubular is positioned proximate the...  
WO/2021/044862A1
The present invention provides a threaded coupling, for a steel pipe having a large diameter size, which can provide high torque-resistance performance and high sealing performance, and which has shear-resistance performance correspondin...  
WO/2021/040775A1
A system for designing a casing string for an oil well, a gas well, an oil and gas well, and/or a geothermal well. The system comprises a processor, a non-transitory memory storing a casing string design, wherein the casing string design...  
WO/2021/035301A1
The disclosure relates to a thread formation and to a downhole tool comprising a hollow tubular pipe section having an end on which the thread formation is provided. The thread formation comprises a first thread having a first thread sta...  
WO/2021/040757A1
A buoyancy assist tool and a fluid barrier in a casing string define a buoyancy chamber therebetween. The buoyancy assist tool has a housing connected in the casing string with a retaining sleeve detachably connected in the housing. The ...  
WO/2021/040940A1
A stinger is stabbed into a bore opening of a downhole tool to communicate fluid from a fluid line to the downhole tool. The stinger body defines a bore that communicates with the bore opening of the tool when the stinger body is install...  
WO/2021/035299A1
A drive sub for a drilling assembly includes a tubular body configured to receive and releasably engage a drilling tool. The body has inner and outer faces and further has a castellated edge provided on its operative downhole end, which ...  
WO/2021/040759A1
A downhole apparatus comprises a casing string with a fluid barrier connected in the casing string. A degradable plug is positioned in the casing string above the fluid barrier. The degradable plug and fluid barrier define upper and lowe...  
WO/2021/040529A1
A device for preventing torsion in a tool string from exceeding a predetermined threshold, wherein the device comprises: - an inner mandrel for transmitting torque between said inner mandrel and a first portion of the tool string, the in...  
WO/2021/037949A1
A configurable subsea wet-mateable connector comprises a receptacle connector body (36) and a plug connector body (35). The subsea receptacle connector unit comprises at least two receptacle inserts chosen from at least one of a power co...  
WO/2021/038098A1
Ine invention concerns a pipe installation for transportation of a fluid. The installation includes an unbonded flexible pipe and a sensor system. Tthe unbonded flexible pipe has a first and a second end-fitting, a plurality of layers ex...  
WO/2021/041549A1
An annular seal system for sealing between a casing hanger and a wellhead housing, the system including an actuator ring having a rigid portion and a flexible portion, and a lockdown ring positioned adjacent the actuator ring. The system...  
WO/2021/041331A1
A multilateral junction comprising a y-block, lateral legs, and a transition sub for use in downhole well environments. The y-block includes a main bore and lateral bores with main bore and the lateral bores having threaded interfaces. T...  
WO/2021/032686A1
The invention relates to a subsea wellhead support system (1) comprising: - a foundation assembly (2); - a conductor housing (31) for supporting a wellhead (4); - a connection arrangement (5) between the foundation assembly (2) and the c...  
WO/2021/032796A1
A control line protector for protecting one or more downhole control lines running alongside a pipe, comprising a body with one or more channels, wherein each of the one or more channels is adapted to receive a control line, and an attac...  
WO/2021/032976A1
A subsea control bundle umbilical comprises: a carrier pipe; a bundle of elongate functional elements being tubes and/or cables that extend longitudinally within the carrier pipe; and spacers spaced apart longitudinally along the bundle....  
WO/2021/032461A1
The invention relates to a kelly bar arrangement for a drilling device and to method for working the ground with a drilling device. A tubular external kelly bar and an internal kelly bar, which is displaceably mounted within the external...  
WO/2021/035127A1
The present disclosure is directed to improved downhole motor designs. In one illustrative embodiment, primary and secondary thrust bearings that are maintained in position by other structural components of the motor without compressive ...  
WO/2021/028689A1
A well construction method, and corresponding apparatus, in which a drilled bore (106) is lined with a plurality of successively smaller diameter sections of bore-lining tubing includes at least one casing (108, 110, 112) and at least on...  
WO/2021/030043A1
Provided, in one aspect, is a drillable window assembly. The drillable window assembly, in this aspect, includes a first precut casing joint, the first precut casing joint including a first casing tubular having two or more radially offs...  
WO/2021/026610A1
A subsea tree including a fluid swivel, the fluid swivel comprising: (a) a fixed inner body defining an inlet for fluid communication with a production conduit for a subsea well; (b) a rotatable outer body defining an outlet and an attac...  

Matches 1 - 50 out of 9,760