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Patent Searching and Data


Matches 501 - 550 out of 13,839

Document Document Title
WO/2018/091903A3
A rotary drive apparatus (24) for a downhole tool (22), the rotary drive apparatus (24) comprising a drive stage (36a) comprising a rotor (40a) and a stator (42a) and a connecting stage (38a) for connecting to the drive stage (36a). The ...  
WO/2018/112678A1
Disclosed is a pile casting torque multiplier (1), wherein an upper connecting plate (2) is connected to a power head box (21); the upper connecting board (2) is connected to a planetary gear shaft connecting ring (3); a planetary gear s...  
WO/2018/118020A1
A method may include drilling a deviated wellbore penetrating a subterranean formation according to bottom hole assembly parameters and surface parameters; collecting real-time formation data during drilling; updating a model of the subt...  
WO/2018/116140A1
A drill bit for coupling in use downhole drilling apparatus, the drill bit comprising: an annular coring drill bit that is rotatable to cut a formation bore face to create a core plug, a concentric drill bit that can be repeatedly axiall...  
WO/2018/118523A1
A rotary table drive with a top plate and a bottom plate cooperating to define a bore and an adjacent sealed gear housing. A bushing adapter passes through the bore and is configured to receive a bushing to mate with a segment of polygon...  
WO/2018/119007A1
A shock tool (120) for reciprocating a drillstring (20) includes an outer housing (130) and a mandrel assembly (150) coaxially disposed in the outer housing (130). The outer housing (130) has a radially inner surface (132) including a pl...  
WO/2018/116318A1
Embodiments of the present disclosure, relates to the field of deep sea mining. Particularly, but not exclusively, the present disclosure relates to a system and method of off shore mining for retrieval and extraction of heavy mineral co...  
WO/2018/119151A1
A shock tool for reciprocating a drillstring includes an outer housing. The outer housing has 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 end. In addi...  
WO/2017/083745A8
A wellbore or other type of hole in a geologic formation or other material, such as concrete or other manmade structures, may be formed by accelerating perforating charges containing detonable material through a tubular string. Movement ...  
WO/2018/111283A1
The disclosed embodiments include a rotating survey tool. The rotating survey tool includes a first sensor array that in operation collects a first set of survey measurements during a downhole drilling operation. Additionally, the rotati...  
WO/2018/108662A1
The invention relates to methods for determining a soil class, in which an earth drilling is introduced into the ground by means of a ground drilling device with a drill head, wherein a parameter of the ground drilling device and/or an o...  
WO/2018/107557A1
Disclosed is a vertical lifting drilling rig, wherein a well frame (2) is formed of multi-stage well frame modules spliced together; a stationary pulley set (10) and a guide pulley (9) are mounted at an upper end of a well frame base sta...  
WO/2018/107712A1
A straight hole drilling method for a drilling machine, suitable for drilling an extraction borehole in an underground coal mine. A drill bit (6) is arranged on a section of round drill rod (5) so as to start hole drilling work; after a ...  
WO/2018/106254A1
A disclosed drilling method includes: obtaining a formation model representing formation properties to be encountered by a drilling assembly being steered towards a target; identifying at least one path-dependent drilling dynamics model ...  
WO/2018/106287A1
A system and method for drilling a borehole (180) using a drilling rig (110) having a rotary drill bit (140) includes monitoring one or more drilling parameters; determining whether the one or more monitored drilling parameters are withi...  
WO/2018/104546A1
An unmanned wellhead platform (1) (UWP) comprising a jacket (10) designed and adapted to be supported on the seabed and projecting above the sea level is shown. The unmanned wellhead platform (1) includes a topside installed on top of th...  
WO/2018/103919A1
The invention relates to a drilling tool and a method for producing a bore in the ground, in which method ground material is carried away by a removal device on the underside of a main body of the drilling tool, flushing air is supplied ...  
WO/2018/106347A1
A coupling system includes a lower marine riser package having a connector at a bottom end and at least one blowout preventer pressure control element coupled to a wellhead and having a connector at an upper end. Explosively frangible fa...  
WO/2018/106835A1
A skid-mounted chemical and hydrate remediation system including a subsea separator is described for use in the event of a hydrate plug with chemical injection. This system comprises a manifold which communicates between a subsea pipelin...  
WO/2017/106479A8
A force stacking assembly for use with an earth boring system that includes a series of actuators (37) that each generate a force, and that are arranged to create a combined force that is cumulative of all of the actuators. The actuators...  
WO/2018/106255A1
A disclosed drilling system includes a drill string assembly having subsystem inputs that control ROP and other performance parameters; and a processing system that provides automated uncertainty mitigation of a model for controlling the...  
WO/2018/104547A1
The invention proposes a method and devices that can be used in the method for trenchless laying of a cable (1) in the ground (13), in which method vertical multifunction bores (3) are created along a drilling line (4) in the ground (13)...  
WO/2018/101960A1
It may be required at a well site to create a lateral wellbore from a primary wellbore. A dissolvable whipstock assembly may be positioned within a primary wellbore to deflect a mill or drill bit to create a secondary wellbore. The disso...  
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/2018/095321A1
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/2018/091903A2
A rotary drive apparatus (24) for a downhole tool (22), the rotary drive apparatus (24) comprising a drive stage (36a) comprising a rotor (40a) and a stator (42a) and a connecting stage (38a) for connecting to the drive stage (36a). The ...  
WO/2018/093359A1
A steering assembly includes an outer housing and a drive shaft extended longitudinally within the outer housing and defining a plurality of pockets. A plurality of torque transfer features transfer torsional loads from the outer housing...  
WO/2018/093259A1
The invention relates to a mobile land rig for drilling and/or servicing a well comprising a road vehicle having an elongated chassis supporting a derrick unit, the derrick unit comprising an erectable derrick mast, a drill floor mount f...  
WO/2018/090962A1
Disclosed are a wire rope coring drilling rig and a new green construction method capable of replacing trench and shallow-shaft explorations, the wire rope coring drilling rig comprising: a base (1), a principal machine (2), a drilling t...  
WO/2018/090689A1
Disclosed is a multifunctional anchor cable drilling machine, comprising a chassis (3), a main boom (1), which is capable of pitching and telescoping, being provided on the chassis (3), a drilling machine (101) being provided on the dist...  
WO/2018/093344A1
Systems and methods for avoiding discrete 3D geological bodies that are hazards to drilling operations by identifying each 3D geological body near a well-path, defining the extents of each 3D geological body relative to the well-path, an...  
WO/2018/085393A1
A bottomhole assembly may include a downhole motor and bearing assembly. The downhole motor may include a rotor and stator. The bearing assembly may include a bearing mandrel. The bearing mandrel may be coupled to the rotor by a transmis...  
WO/2018/085850A1
A side saddle slingshot drilling rig includes a right substructure and a left substructure, the substructures positioned generally parallel and spaced apart from each other. The right substructure includes a right lower box and a first s...  
WO/2018/084838A1
A rotary steerable tool for directional drilling includes a tool body with a flowbore, a plurality of extendable members, each independently movable between an extended position and a retracted position, and a plurality of actuation devi...  
WO/2018/085042A1
A Rotary Steerable System (RSS) includes a flexible collar coupled therein that reduces the stiffness of the RSS and permits a tighter turning radius to be achieved. The positioning of the flexible collar between the steering section and...  
WO/2018/082201A1
Disclosed is a quick pressure relief gas discharge method for exposing an extra thick and soft projecting coal seam in a vertical shaft, comprising the following steps: designing drainage drill holes in several circles along a shaft exca...  
WO/2018/080715A1
A milling and scraping tool for preparing a borehole to be plugged includes a tool body including a first end, a second end, and an intermediate portion extending therebetween and a milling system arranged between the first end and the s...  
WO/2018/078575A1
Equipment for horizontal directional drilling (HDD), comprising a drilling head (10) which in turn comprises a drill body (11), at least one rotating (20) and/or hammering (21) perforating member mounted on said drill body (11) and perfo...  
WO/2018/078591A1
A method of drilling vertical and horizontal pathways to mine for solid natural resources involves a drill bit, at least one reamer, a first plugging material, and a second plugging material; drilling a testing wellbore to a specific ver...  
WO/2018/081210A1
The present invention provides for casing drilling with a removable MWD tool comprising a float shoe for removably positioning the bottom of a MWD tool at and or near the drill bit inside the casing, a stabilizer attached to the top of t...  
WO/2018/075737A1
In general, a conductor removal system (1) comprises a conductor sectioning tower which can be used to automate lifting and landing of various conductor sections. In most embodiments, the conductor sectioning tower can selectively and co...  
WO/2018/075110A1
A rotary valve can include a housing, a manifold with multiple flow paths can be fixedly mounted to the housing. A rotary actuator with a first surface can be rotatably mounted within the housing, and a valve seat with a second surface c...  
WO/2018/074735A1
Disclosed are a method for automatically replacing a casing and a drill pipe, and a drilling machine comprising the same. The drilling machine comprises: a frame unit having at least two elongated frames which are slidably coupled to eac...  
WO/2018/075760A1
A method for determining a total vertical depth (TVD) for a well plan involves measuring differences between a projected BHA position at a depth of a survey station and a calculated BHA position based upon a minimum curvature method at t...  
WO/2018/075596A1
A hydraulic circuit (38, 54) may be used for controlling a plurality of hydraulic implements (36, 50, 52). The hydraulic circuit (38, 54) may include a first directional valve (66), a second directional valve (64), and a relief valve. A ...  
WO/2018/075991A1
A bearing housing for a bottomhole assembly of a downhole tool includes an upper bearing housing, lower bearing housing, and a driveshaft. The upper bearing housing and lower bearing housing include a bore defining a bore longitudinal ax...  
WO/2018/046757A3
The present invention relates to drilling (particularly horizontally) a borehole in ground. In order to provide an extension in particular in term of run length of a drilling in ground in comparison to conventional trenchless approaches,...  
WO/2018/071020A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source to provide power at a frequency, the pulse-generating circuit comprising an input stage t...  
WO/2018/038963A8
A system and method for drilling a borehole in a subsurface formation. A method includes receiving measured values indicative of operations performed by drilling equipment. The measured values include hookload values. The hookload values...  
WO/2018/064746A1
A drill rig with a steering system may include a substructure having a wheelhouse, a drill floor arranged atop the substructure, a mast extending upwardly and above the drill floor, and a steering system arranged within the wheelhouse. T...  

Matches 501 - 550 out of 13,839