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Matches 351 - 400 out of 142,186

Document Document Title
WO/2018/101870A1
Herein a method (100), a device (21) and a holder (17) for rock drilling is described. The method (100) comprises the steps of: aligning (101 ) a drill rod (3) arranged at a first drilling unit (11) by using a first arm (9) towards a dri...  
WO/2018/101968A1
A system includes a downhole tool deployed in a borehole, the downhole tool having a plurality of axially-spaced sensor packages. The system also includes a processor configured to analyze measurements collected at different times and by...  
WO/2018/101953A1
A thermal battery positioned in a wellbore can be force activated by a device. The device can include a body coupled to a thermal battery positioned in a wellbore. The body can include a piston retained at a first position in an inner ar...  
WO/2018/102707A1
Downhole assemblies comprise at least one sensor configured to sense at least one sense a parameter relating to a downhole condition. The downhole assembly further includes a communications assembly having at least one device for control...  
WO/2018/101842A1
A sensor apparatus for a downhole tool 12 comprises a sensor 24 for taking downhole measurements; and a sensor support 26, 28 for mounting the sensor 24 to the downhole tool 12. The sensor support 26, 28 includes an actuator 26 for movin...  
WO/2018/101838A1
A probe (3) and a probe arrangement (1) for a pressure measurement of a water phase inside a hydrocarbon reservoir (12). The probe (3) comprises a body (5) comprising a pressure measuring chamber (7) and at least one opening (10) to the ...  
WO/2018/099518A1
The invention relates to a top drive axial bearing (200) for a drilling system, comprising a first bearing ring (232), a second bearing ring (234) and a plurality of rolling bodies (236) arranged between the first bearing ring (232) and ...  
WO/2018/102194A2
Systems, methods and apparatuses to aid with directional drilling through a subterranean formation are described. A model is provided that is indicative of: (i) one or more frictional forces at one or more contact points of the BHA and a...  
WO/2018/102490A1
Disclosed are water treatment apparatus and processes for the generation of injection water from seawater and produced water. The first water treatment apparatus includes a reverse osmosis (RO) unit that treats the seawater, a pretreatme...  
WO/2018/101843A1
A penetration testing apparatus for testing the bearing strength of ground, soil layers, base- courses, subbases and subgrades without the need for much manual operation, includes the following components operatively connected together, ...  
WO/2018/102320A1
Described is a system for incremental trajectory estimation of an implement. During operation, the system determines a time span of each stationary period of the implement based on accelerometer and gyroscopic data. Gyroscopic, bias is t...  
WO/2018/102361A1
Systems (10) and methods for removing fluid from a subterranean well (12) with a fluid removal system includes lowering an elongated member (26) into tubing (20) of the subterranean well (12) to a lower position, the elongated tubing hav...  
WO/2018/099959A1
A multi-indenter drill bit comprising a plurality of indenters arranged on a drilling surface of a bit face, the ratio of the total indenter area to the bit face area being defined by a parameter KPI 1 (expressed as a percentage); the ra...  
WO/2018/102679A1
Novel microemulsion formulations comprising a surfactant or combination of surfactants are disclosed for improved crude oil cleanup or recovery from subsurface geological formations, especially those containing carbonate cements.  
WO/2018/101966A1
ABSTRACT OF THE DISCLOSURE A circuit, system and method for measuring the optimal frequency of transmission and reception for achieving the best possible signal-to-noise ratio (SNR) in low impedance receive systems are provided. In one e...  
WO/2018/099519A1
The invention relates to a top drive axial bearing (600) for a drilling system, comprising a first bearing ring (632), in particular a shaft disk, a second bearing ring (634), in particular a housing disk, and a plurality of rolling elem...  
WO/2018/100545A1
The present invention relates to a system for facilitating the extraction of hydrocarbons, in particular a tubular protection for an extraction system using the RF heating of highly viscous hydrocarbons in situ by means of an antenna hav...  
WO/2018/099261A1
A stoping method for an oxygen-free working surface of a highly gaseous mine, comprising: aiming at a first coal seam of the highly gaseous mine which is not disturbed and a working surface (1) of which roof fissure of the coal seam is n...  
WO/2018/098593A1
A wellbore equipment assembly and components for a wellbore equipment assembly are disclosed along with a method of connecting wellbore string components. In some embodiments, the assembly includes a first component and a second componen...  
WO/2018/098592A1
An apparatus for deployment in a wellbore to control flow of fluids between the wellbore and a subterranean reservoir is provided, comprising: a housing; a port extending through the housing; a passage disposed within the housing; and a ...  
WO/2018/094657A1
A hydraulic support for soil-like coal working face, and a protection method for coal seam mining. The hydraulic support comprises a support base (7), a support top beam (5), a support vertical pillar (6), an advancing jack (8), a side p...  
WO/2018/098452A1
A torque transfer system for centrifugal pumps. A torque transfer system for a centrifugal pump includes a bearing sleeve above an impeller, the bearing sleeve and a hub of the impeller surrounding a rotatable shaft and coupled to the ro...  
WO/2018/094705A1
A hydraulic support frame, hydraulic support frame control method, and a protection method for mining a coal seam containing soil-like coals by using the hydraulic support frame. The hydraulic support frame comprises a base (7), an upper...  
WO/2018/096508A1
This invention concerns a self-drilling rock bolt for use with a two-component grout mixture for setting the rock bolt in a hole in a rock body. The body has an axial interior passage which defines a fluid flow path along which the grout...  
WO/2018/098458A1
Disclosed is a system for generating energy. The system is incorporated into a disposal or injection well. A conduit is extended down in the well from the surface. Water disposed in the well is used to drive some sort of mechanical-energ...  
WO/2018/094450A1
A core sampling system comprises at least one hollow drill rod, each drill rod arranged to be connected endwise to an adjacent drill rod so as to define a string of drill rods that define an internal drill rod space for receiving core ma...  
WO/2018/096312A1
A gate valve apparatus comprises a housing defining a flow path, a first valve seat located within the housing around a periphery of the flow path and comprising a first peripheral seal surface, and a gate valve member which is moveable ...  
WO/2018/097957A1
A offshore system for storing oil includes a hull. The hull includes a buoyancy compartment and an oil storage compartment disposed below the buoyancy compartment. The oil storage compartment has an upper end, a lower end, and an inner c...  
WO/2018/094874A1
Disclosed is a coal mining machine attitude control method based on a coal seam geographic information system. The method comprises: establishing an association model between a cutter undercut adjustment amount of a lower drum (4) of a c...  
WO/2018/097876A1
Systems and methods for determining vector-ratio safety factors for wellbore tubular design are provided. Pressure and temperature data for at least one load point along a tubular component of a wellbore are obtained. An effective failur...  
WO/2018/098453A1
Apparatus including, and methods of operating a communications network having a common data bus communicatively coupled to control devices, non-control devices, and network appliances. The control devices control corresponding equipment ...  
WO/2018/095013A1
A reaming and self-drilling anchor bolt and a construction method, applied in the technical field of quick tunneling and supporting of coal tunnels. The reaming and self-drilling anchor bolt comprises a bolt body (1), a drill bit (2), a ...  
WO/2018/098439A1
A wellbore apparatus includes a first component having a first element and a second component having a second element. The first component and the second component are connected by a multi-start thread connection and the first element an...  
WO/2018/097824A1
An additive injection apparatus has a flow manifold with an injection tube configured to communication an additive into the flow manifold. A hopper is connected to the injection tube and will deliver the additive to the injection tube. F...  
WO/2018/094655A1
Disclosed are a hydraulic support with staged pressure relief and a method for controlling the hydraulic support. The hydraulic support comprises a top support beam (4), a support base (7), a support shield beam (5), a tailing support be...  
WO/2018/095441A1
A single cone bit having a rotating tooth comprising a drill body (1), and a cone (2) transmittingly connected to the drill body (1); cutting teeth are provided on the cone (2), and at least one of the cutting teeth on the cone (2) is a ...  
WO/2018/094546A1
A pile hole cleaning mechanism (13), comprising a fixed frame (35). One end of the fixed frame is connected to a main vehicle body (62), and the other end is mounted on a hollow shaft (14); the hollow shaft is mounted on a pipeline wheel...  
WO/2018/095014A1
A self-drilling and self-anchoring anchor bolt capable of being lengthened and suitable for weak coal, and an anchoring method thereof, applied to weak coal mass supporting engineering in tunnels. An anchor bolt body comprises five parts...  
WO/2018/094656A1
A hydraulic support capable of separately performing pressure relief by means of a front pillar and a rear pillar and a hydraulic support control method, for use in correcting inclination of the hydraulic support caused by the pressure o...  
WO/2018/095752A1
A cap (100) for a hydrocarbon production well (700), said cap (100) having a body (105) with a top (100a) and a bottom (100b), the bottom (100b) having a first connecting flange (101) with a first seal face (102), the first connecting fl...  
WO/2018/097735A1
A fastening means (1) for attaching a cable (2) to a tubular body (4) is described, the tubular body (4) comprising a sleeve (6) with a first end face (61) and a second end face (62), and the fastening means (1) including : - a first att...  
WO/2018/096079A1
The present invention relates to an annular barrier (1) for being expanded in an annulus (2) between a well tubular structure (3) and a wall (5) of a borehole (6) or another well tubular structure (3a) downhole for isolating a first zone...  
WO/2018/095881A1
Process for recovering oil from a formation containing oil and water by injecting into the formation an enhanced oil recovery formulation comprising enhanced oil recovery surfactant, which process comprises (i) injecting into the formati...  
WO/2018/096160A1
A method for processing a plurality of surface-wells arranged in a well cluster on an offshore wellhead platform is provided. Each surface-well comprises a conductor having an upper part, the upper part of two or more of the conductors b...  
WO/2018/094473A1
A wellhead sleeve configured to be removably mounted to a wellhead at or near an annulus of the wellhead. The wellhead sleeve has a body having a bore therethrough, a skirt mounted to the body and an actuator configured to engage with th...  
WO/2018/095955A1
The invention relates to a hard metal insert (1) for a round shank chisel on a rotatable roller of a milling machine, having a cylindrical body (2), a conical tip (3) on the body (2), a soldering surface (5) which is provided on a base (...  
WO/2018/095321A1
An automatic positioning device and method for a big arm of an umbrella driller. The device comprises a rotating arm (1) connected to a standing column (20), a supporting oil cylinder (2), a big arm (3), a verticality adjustment oil cyli...  
WO/2018/095721A1
A method for selecting an aqueous displacement fluid comprising an aqueous solution of dissolved phosphate species includes obtaining reservoir parameters for a reservoir, receiving an input comprising a permitted loss of dissolved phosp...  
WO/2018/095012A1
An expandable reaming and self-anchoring anchor bolt, and a supporting method. The anchor bolt comprises a simple drill bit (1), an anchor bolt body, and a pretension device; the anchor bolt body comprises a plurality of drilling section...  
WO/2018/096507A1
This invention concerns a coupled self-drilling rock bolt for use with a two-component grout mixture for setting the rock bolt in a hole in a rock body. The rock bolt includes a drilling segment and at least one connecting segment. The d...  

Matches 351 - 400 out of 142,186