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Matches 1 - 50 out of 1,253

Document Document Title
WO/2018/161154A2
Disclosed herein is a device and method for correlating core sample zones with an actual subterranean depth. The disclosed device has a pair of independent distance measuring devices operably in communication with a core sample apparatus...  
WO/2018/152089A1
A reverse-circulation drilling assembly having an overshot subassembly and a head subassembly. In the event retrieval of the drilling assembly by reverse-circulation fails, the drilling assembly can be retrieved using a secondary overshot.  
WO/2018/149866A1
The present disclosure relates to methods for preserving the inner structure and the mechanical integrity of uncemented sand samples, and to preserved uncemented sand samples whose inner structure has been preserved by the herein describ...  
WO/2018/133886A1
Disclosed is a rope coring drill-based engineering geology drilling construction method. The method utilises a single-action dual-tube drill, a coring drill bit (15) is mounted on a lower end of an outer tube (14), a core tube (22) is mo...  
WO/2018/112560A1
A method (60) of determining core orientation of a core sample (12) cut from the ground by a drill rig (10) having a drill string and a drill bit (20) coupled to a downhole end of the drill string. Drilling data (Cn, Rn) is continuously ...  
WO/2018/104818A1
In one aspect the present invention comprises a wireline retrievable coring apparatus for incorporation into a drillstring, comprising: a housing for coupling to a drill string housing, a drill bit, a turbine comprising a stator coupled ...  
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/2018/090962A1
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/2018/074944A1
The invention relates to mining and construction activities, including the rotary core drilling of medium and large diameter vertical, inclined and horizontal boreholes, mineral extraction, and the laying of underground passages and tunn...  
WO/2018/063385A1
The disclosed embodiments include a core sampling system. The core sampling system includes a core barrel that in operation receives a core sample from a well. Additionally, the core sampling system includes an isolated pressure compensa...  
WO/2018/056274A1
Core sampling is enabled over a wide range of the seabed. The present invention is provided with a main robot 3 that moves underwater by remote operation, and a sampling robot 2 that is connected to a manipulator 7 attached to the main r...  
WO/2018/018105A1
The present invention relates to a modular storage box system for storing core samples (1) in modular boxes (C), used in particular in the field of mineral sampling from geological exploration activities for subsequent analysis. The modu...  
WO/2018/014804A1
Disclosed is a wire-driven protection structure of an electric speed reducer (1), the wire-driven protection structure comprising comprising a deformation mechanism of variable length and sliding plates (11), wherein the sliding plates (...  
WO/2018/017103A1
Downhole core sampling apparatus including first and second sealing elements and at least one pump configured to pump wellbore fluid from the annular space defined by the sealing elements. The downhole core sampling apparatus is capable ...  
WO/2017/216852A1
The purpose of the present invention is to provide a core sampling device that is capable of acquiring data for examining the accuracy of a sampled core, a boring apparatus using the core sampling device, and a core sampling method. A co...  
WO/2017/185154A1
The present application to a utility model relates to improvements to a box for packaging rock core samples of both dense and sandy rocks, particularly used in the field of collection of mineral materials from geological exploration acti...  
WO/2017/174815A1
According to one aspect, the invention relates to a measurement bench (1) for measuring the magnetic field of portions (101) of a sediment core (100) extending in a main direction, characterised in that the measurement bench (1) comprise...  
WO/2017/176127A1
It is disclosed a system and method for drilling rock cores, and in particular to determine their orientation in the subsurface. The core drilling system includes a drill string with a drill bit at an end thereof, a core sampling arrange...  
WO/2017/160981A1
A tool for retrieving material from a well. The tool has a cylindrical tool body, malleable members, and a cylindrical jacket. The tool body defines a chamber adapted to receive material for retrieval. The malleable members are on the lo...  
WO/2017/155450A1
A System for collecting and processing data concerning physical features of drill core samples with three-dimensional shape and appearance. The system comprises a contact less analytical apparatus for measuring and collecting data of at ...  
WO/2017/151130A1
A crimping connection for an inner tube is disclosed. An inner barrel system includes a first coring inner barrel; a second coring inner barrel; and a crimp ring overlapping an end of the first coring inner barrel and an end of the secon...  
WO/2017/151131A1
Systems and methods are disclosed for an inner barrel system. The inner barrel system that includes a coring inner barrel. The system also includes a connector sub coupled to the coring inner barrel. The connector sub includes a tubular ...  
WO/2017/146135A1
A work device capable of collecting a core sample of seabed stably and at a desired angle includes, as the basic configuration, a fuselage 10, four flippers 30 pivotably provided to the left/right of the front portion and the left/right ...  
WO/2017/146156A1
A work device for collecting a core sample from a seabed includes, as the basic configuration, a fuselage 10, four flippers 30 pivotably provided to the left/right of the front portion and the left/right of the back portion of the fusela...  
WO/2017/146170A1
A seafloor crust A is dug into by an excavation tube 31, whereby a circular annular groove 50 is formed and a circular-cylindrical geological sample provisional part 51 is formed radially inward from the annular groove 50. Next, a harves...  
WO/2017/139847A1
A method and system for obtaining orientation of a core sample core drilled from underlying rock. A core orientation recording device (116) records its orientation at random and/or non-predetermined time intervals from a reference time d...  
WO/2017/132736A1
A method (100) of enabling at surface orientation data transfer from a contactless orientation system (11) coupled with an inner core tube (12) to one or more record carriers on or associated with a core sample (14) held in the core tube...  
WO/2017/127885A1
A system (10) and method (50) of enabling the acquisition of borehole survey data and core orientation data in a single instrument trip in a core drill (12) having a drill string (18) and an inner core barrel assembly (16). The method us...  
WO/2017/130557A1
The purpose of the invention is to provide a groundwater detection method that can accurately detect groundwater while performing geological survey (boring work), and a boring device used for same. Provided is a groundwater detection met...  
WO/2017/128572A1
Provided is a use of a prestressed steel strand in a multi-angle drilling and coring process. By utilizing the characteristics that the prestressed steel strand is high in material strength and good in toughness so as not to be deformed ...  
WO/2017/079801A1
A connection device for a core drilling assembly is disclosed, the connection device connectible between a head assembly of a core drilling assembly and an inner tube of the core drilling assembly. The connection device comprises a first...  
WO/2017/059163A1
Provided herein are methods and apparatus for collecting and preserving core samples from a reservoir. In some embodiments, a method includes obtaining core samples from a reservoir using a rock and fluid sampling tool and depositing the...  
WO/2017/058712A1
A brake device for engaging an inner surface of a drill string within a borehole. The brake device has a driving member that defines a plurality of wedge surfaces, a brake retainer that receives at least a portion of the driving member, ...  
WO/2017/031283A1
An overshot assembly for operative coupling to a wireline and a head assembly within a drilling system. The overshot assembly has a proximal body portion, a distal body portion, and a spindle received within the distal body portion. The ...  
WO/2017/023369A1
Systems and methods for a protective connection for coring inner barrels are disclosed. A coring apparatus includes a first inner barrel, a second inner barrel, and a tubular extension between adjacent ends of the first and second inner ...  
WO/2017/020141A1
The invention relates to an automated sampling tool or apparatus for mineral concentrates, comprising at least one master automatic change plate, at least one slave automatic change plate, at least one sampling tubular assembly anchor pl...  
WO/2017/015725A1
A ring replacement system (100) is described for enabling the replacement of a core lifter ring (200) associated with a core lifter case (300). The system (100) has a distorting member 120 locatable between the ring (200) and the case (3...  
WO/2016/205927A1
A core barrel head assembly including an upper body comprising a central passage. A pair of latches is arranged in the central passage. Each latch pivots about a pivot point at a first end. Each latch includes a latch release at a second...  
WO/2016/191792A1
A coring bit (5) suitable for use in coring apparatus (100). The coring bit (5) comprising a main body (40) and a cutting head (45) at one end (41) of the main body (40). The cutting head (45) comprising a generally cylindrical side wall...  
WO/2016/186626A1
A method for determining the volume of core samples disposed within a sealed pressure vessel, the sealed pressure vessel containing a prefill fluid having a density, the method including determining the internal volume of the pressure ve...  
WO/2016/179701A1
A core barrel assembly for a drill string comprising a core barrel, an inner tube assembly removably positionable within the core barrel, and a mechanical shock inducement mechanism for inducing at least one shock, and preferably a plura...  
WO/2016/176153A1
A method for coring a subterranean wellbore includes rotating a coring assembly in the wellbore to drill and core the well. The coring assembly includes a coring bit, a core barrel, and a measurement sub. A plurality of dynamics measurem...  
WO/2016/155858A1
The disclosure concerns a system for hole drilling in an object (400) comprising a core drilling machine(100), a core drill bit (200) and a reaction bar (300) arranged for transmitting rotating reaction forces from the core drilling mach...  
WO/2016/154677A1
Orientation data representing a required orientation of a core sample held in a core tube (22, 50) prior to separation of the core sample (24, 52) from the underlying rock can be recorded by a data gathering device (42, 80) at least whil...  
WO/2016/153831A1
A system and method of gathering sample cores from a subterranean formation with coring bit assemblies, where each of the coring bit assemblies retain a sample core within. Included is a container equipped with compartments for individua...  
WO/2016/146989A1
An apparatus for use with a core sampling device, comprising a core barrel having one or more side walls bounding at least partially an internal volume for receiving, in use, a core sample collected by the core sampling device, wherein a...  
WO/2016/144790A1
A coring bit for use on a coring tool for extracting a sample of subterranean formation from a well bore includes a bit body having a cavity, wherein a throat portion of the cavity extends into the bit body from a face of the bit body. T...  
WO/2016/138276A1
A liner tube for a core barrel assembly includes a substantially cylindrical sleeve having an inner surface configured to be coupled to a layer of material that is configured to absorb or adsorb formation fluids or parts of formation flu...  
WO/2016/123451A1
Fluid control assemblies including at least one spiral ring. The fluid control assemblies are used within core barrel assemblies to: provide an indication that a core barrel assembly has reached a drilling position and is latched to a dr...  
WO/2016/070252A1
As described in the description and depicted in the drawings, the present utility model application relates to a structural arrangement for devices for collecting superficial and deep samples of soft and very soft soils. More specificall...  

Matches 1 - 50 out of 1,253