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Patent Searching and Data


Matches 301 - 350 out of 1,368

Document Document Title
WO/2006/037020A3
Measurement of the location and direction of a drill head in a borehole extending beneath an obstacle such as a body of water utilizes a single AC solenoid at a known location but having an unknown orientation. The measurements are used ...  
WO/2007/006105A1
A line marker adapted to be attached to the lower portion of the upper end of the inner tube of a core drill includes a tubular body (226) having an elongated slot (227) which is parallel to the central axis of the marker body (226) whic...  
WO/2006/058377A1
A core barrel capacity gauge (30) for use on a core barrel assembly (10) having a barrel (16) for receiving a core sample. The core barrel capacity gauge includes a core sample marker (32) located within the barrel (16) such that the cor...  
WO2005091911A3
A method for MWD and/or LWD (100) wherein a plurality of pressures are measured at a plurality of locations along the drill string (155) to include the drill pipe with at least one pressure measured along the drill pipe wherein at least ...  
WO2005120153A3
The present invention is directed to an underwater drilling system that includes a shuttle for transporting drill rods, geophysical tools, and/or core barrels from the underwater drilling platform to a surface vessel and/or a robotic veh...  
WO/2006/024111A1
A core orientation device (10) for a core drill (12). The device (10) comprises an arrangement (14) for providing signals (16) associated with a physical orientation (18) of the core orientation device (10). Processing means (22) are pro...  
WO/2006/023695A1
The coring tubular has a body, at least one opening hole (14) radially oriented in the tubular body and a parting line (12) in the tubular body. Further disclosed herein is a method for reducing contamination of a core sample. The method...  
WO/2006/015434A1
An upper end (10) of a core drill has a spindle (19) having an upper end and a lower end which carries a shut-off valve (14) and a bearing (19), a stub shaft (24) having an upper end and a lower end, the upper end being coupled to the lo...  
WO/2006/005777A1
The invention relates to an automatic soil-characterisation system which can be used to determine the proportion of different chemical components in a soil sample. The inventive system comprises a built-in multi-sensor device, such that ...  
WO/2005/120153A2
The present invention is directed to an underwater drilling system that includes a shuttle for transporting drill rods, geophysical tools, and/or core barrels from the underwater drilling platform to a surface vessel and/or a robotic veh...  
WO/2005/116392A1
The present invention provides a portable core analysis machine (1; 40), particularly for logging data from drilled core samples of rock. Also provided is a method of logging this data from a rock core. The core analysis machine has a ro...  
WO/2005/095753A1
Apparatuses and methods to allow tools disposed upon a conduit to enter the bore of a drillstring are presented. The apparatuses and methods include the use of one or more articulated knuckle joints (30, 32) at ends of an entry sub (12)....  
WO/2005/091911A2
A method for MWD and/or LWD (100) wherein a plurality of pressures are measured at a plurality of locations along the drill string (155) to include the drill pipe with at least one pressure measured along the drill pipe wherein at least ...  
WO/2005/085584A1
A core orientation tool for a core drill having a core bit at a downhole end and a retrievable core tube for receiving a core cut by said drill said orientation tool comprising: a stopping system comprising a tubular stop body and a ring...  
WO/2005/078232A1
A core orientation device (10) comprises a face orientator (12), a bottom orientator (20) and a disc (22). The face orientator (12) forms a face mark (14) on a face (16) of a core (18) being cut by a core drill. The bottom orientator (20...  
WO/2005/061845A1
Window reaming and coring apparatus has a reamer connected in the middle of the tool by mechanical joints which permit the reamer to be displaced substantially parallel to the rest, of the tool body. The apparatus is lowered adjacent a p...  
WO/2005/047644A1
A bottomhole assembly (BHA) for single trip sidetracking operations has a mill (400) for forming an open hole section in a cased wellbore and a steering unit (300) for controlling drill bit (200) orientation. During use, the drilling sys...  
WO/2005/024174A1
A remote operation wire line core sampling device capable of increasing the efficiency of working and maintaining the wall of a hole by using a stabilized see-bottom core drill at a see-bottom and adopting a wire line system, comprising ...  
WO/2005/008030A1
A method for measuring the infiltration of coring fluid into a core sample taken from a formation comprises a) providing a coring fluid containing cesium in a first concentration, b) using the coring fluid and a coring means to generate ...  
WO/2004/029401A1
The invention concerns an assembly designed for directional coring or drilling, in a wall of a borehole previously drilled or cored in a formation comprising a guide element (1) having a coaxial inner space (5) for housing therein a core...  
WO/2004/029406A1
Apparatus (1) for sampling and extracting solid or liquid/solids material includes a sampling section (2) adapted for connection to and communication with an extraction section (8), and a filter section (30) connectable to the extraction...  
WO/2003/104612A1
An in situ reactor (10) for use in a geological strata (11), is described and which includes a liner (20) defining a centrally disposed passageway (29) and which is placed in a borehole (15) formed in the strata; and a sampling conduit (...  
WO/2003/080987A1
The invention concerns a method and a device for coring and/or drilling through a wall of a bore hole, to deflect transversely from a longitudinal direction of the hole, further comprising selecting a core barrel (1) equipped with a core...  
WO/2003/048505A1
ABSTRACT A wellbore assembly is provided that is operable in wellbores in the range of six to six and one-half inches for obtaining large diameter cores, e.g., cores greater than or equal to two and seven-eighths inches in diameter. The ...  
WO/2003/048504A1
The invention relates to drilling equipment. The inventive oil-well drill comprises a core barrel provided with an open cutout and a drill with a borer arranged on the lower end thereof, and a reducing coupling with a push bar arranged o...  
WO/2003/038232A1
Core orientator (10) for a core drill (24) includes a face orientator (28) and a bottom orientator (30) supported by a shaft (50) which extends into a shroud (86). A tubular extension (90) is coupled to the shroud (86) and is slidably co...  
WO2002040824A3
A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge corre barrel includes an outer barrel assembly, a core bit secured to a...  
WO/2002/095183A1
Inner core barrel head assembly (10) includes an upper latch body (24), a plurality of latching balls (26) which are retained in the latch body (24) and a locking sleeve (28) disposed within the latch body (24). The sleeve (28) has an ou...  
WO/2002/042598A1
The invention relates to drilling equipment. The inventive well drilling device comprises a core barrel provided with an adapter, a spindle rod which is arranged inside the core barrel and provided with a drill and a bearing disk. The sp...  
WO/2002/040824A2
A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge corre barrel includes an outer barrel assembly, a core bit secured to a...  
WO/2002/036931A1
The invention relates to a downhole rotary coring device placeable in a drill string and comprising a head section, a motor, and a core barrel having an outer barrel connected to the motor and an inner barrel placed inside the outer barr...  
WO2001071148A3
The present disclosure provides a coring guide (50) for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof us...  
WO/2001/092847A1
The invention concerns a device for taking samples in a material of granular or powdery composition, comprising a rod (12) at one end of which is mounted a hand grip (10) for rotating the wheel and at the other end of which is a driving ...  
WO/2001/071152A1
A core drill bit segment (10) comprises an elongated member (12) having an upper end (14), a lower end (16), first side (18) and opposite second side (20). Attached to the lower end (16) is matrix (22). The matrix (22), while depending f...  
WO/2001/071148A2
The present disclosure provides a coring guide (50) for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof us...  
WO/2001/061309A1
The invention concerns a device for driving into the marine subsurface, in particular at great depths exceeding a thousand metres, a tubular tool for soil sampling or for measuring said soil characteristics. The invention is characterise...  
WO/2001/053855A1
A highly accurate, fully compensated, high spatial resolution, wave propagation system for measuring dielectric constant and resistivity of fluids or solids in a cylindrical enclosure and method for measuring well core characteristics in...  
WO/2001/014689A1
The present invention relates to a locking device (4) for a wire line core drilling system comprising an inner tube (2) by means of which core samples are collected, and an outer tube (1) connected to a drill bit, which locking device is...  
WO/2001/014690A1
The present invention relates to a method for a valve, which valve comprises a movable valve body (6) having a first side (9) facing a means for supplying pressurised fluid and influenced in the supply direction by a force from said flui...  
WO/2001/002696A1
Coupling device (1) for a rock drill (6) between a drilling tube (3) and a removable core barrel (5), which rock drill (6) comprises an outer sleeve device (7) which is non-rotating about the core barrel (5) during drilling and which is ...  
WO/2000/075480A1
An upper end (10) for the inner tube of a core drill has a marking device comprising a pendulum (350) or hard ball (30) which runs in a circumferential track (24). The marking device adapted to be carried within a tubular upper end casin...  
WO/2000/055473A1
The invention concerns a core barrel, in particular for oil exploration, comprising a string, an external tube (2) fixed at the front end of the string, a core bit mounted on a front section (3A) of the external tube, and an internal tub...  
WO2000004238A8
The present invention is provided with an apparatus for taking a soil sample comprising a drill pipe, a first driving gear for introducing the drill pipe into the soil, a sampling bush which movably fits into the drill pipe and a second ...  
WO/2000/006866A1
A pressure (416) and temperature (288) core sampler a tool (100) for recovering cores specifically enabling the evaluation of methane hydrate resources. Because methane hydrate tends to decompose under conditions of pressure decrease and...  
WO/2000/004238A1
The present invention is provided with an apparatus for taking a soil sample comprising a drill pipe, a first driving gear for introducing the drill pipe into the soil, a sampling bush which movably fits into the drill pipe and a second ...  
WO/1999/020870A1
The invention concerns a core drill, in particular for oil prospecting, comprising a core bit (2), an outer tube (3) supporting the core bit (2), and an inner tube (4) mounted in the outer tube (3) for receiving a core sample, a flowing ...  
WO/1999/010620A1
A hydrostatic working device for taking samples from the bottom of the sea. The working device has an outer tube (1), the cylinder tube (1), the cylinder tube with lead-through (5 and 7), and an inner tube (2), the sampling tube with a p...  
WO/1999/009294A1
A method of acquiring a core sample of seabed material into a core sampling tube having an upper end, a lower open end and a substantially cylindrical chamber extending therebetween, comprising the steps of urging the core sampling tube ...  
WO/1999/002816A1
The invention concerns a core barrel, in particular in the field of oil exploration, comprising at least an outer tube (2) and a core bit (3) forming an outer assembly (4) and at least an inner tube (5) forming with a drilling core optio...  
WO/1998/056552A1
An apparatus for preventing a cut core from falling for core drills, capable of carrying out drilling without causing a cut core to fall even during a downward through-hole drilling by a core drill. This apparatus for preventing a cut co...  

Matches 301 - 350 out of 1,368