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7665542 |
A core barrel capacity gauge for use on a core barrel assembly having a barrel for receiving a core sample. The core barrel capacity gauge includes a core sample marker located within the barrel such that the core sample marker rests aga...
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7431107 |
A coring bit, including an outer hollow coring shaft, and a rotationally uncoupled internal sleeve disposed inside the outer hollow coring shaft. The rotationally uncoupled internal sleeve may be a non-rotating internal sleeve. The rotat...
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7347284 |
The present invention is directed to an apparatus and method for coring a borehole in a hard rock sidewall of a well bore in a subterranean formation for testing purposes. The apparatus includes a drive motor for operation down hole, a f...
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7296638 |
Core orientator for a core drill includes a face orientator and a bottom orientator supported by a shaft which extends into a shroud. A tubular extension is coupled to the shroud and is slidably coupled to a main body. The main body incl...
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7216725 |
A soil sampling system is provided that allows headspace screening of soil samples at spaced intervals along a soil sample liner without disturbing the soil samples to be collected and shipped to a laboratory for further testing. The soi...
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7182152 |
A soil sampling system that in one embodiment includes a drill rod, a sampler or core barrel and an adapter coupling, for connecting the sampler barrel to the drill rod. In one embodiment the drill rod provides vibratory drilling movemen...
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7093676 |
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 core barrel includes an outer barrel assembly, a core bit secured to a ...
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6968910 |
The present invention provides an ultrasonic and sonic mechanism of deep drilling (USMOD) that is driven by a vibrating actuator and operates in a similar manner to the gopher with regards to drilling debris removal. The actuator induces...
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6837312 |
A novel corer and grinder apparatus suitable for interplanetary travel and extraplanetary operation is disclosed. The corer grinder composes a claw element attached to a shaft coupled to a motor. A second motor compresses a spring forcin...
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6708784 |
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 pressurized fluid and influenced in the supply direction by a force from said ...
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6695075 |
The soil sampler includes a sampling tube having a receiving space for receiving a soil sample, the receiving space being limited in a radial direction by a wall, being open in a distal direction for permitting soil to enter and in a pro...
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6681873 |
A core stabilization apparatus and method are implemented. An inner barrel having a plurality of ports disposed circumferentially and axially in a wall thereof is provided. A gas manifold is attached to a first subsets of the ports. Gas ...
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6505693 |
An apparatus for taking a soil sample includes 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 driving gear for introducing the sampling...
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6443243 |
A core stabilization apparatus and method are implemented. An inner barrel having a plurality of ports disposed circumferentially and axially in a wall thereof is provided. A gas manifold is attached to a first subsets of the ports. Gas ...
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6378631 |
A pressure and temperature core sampler comprises a tool for recovering cores specifically enabling the evaluation of methane hydrate resources. Because methane hydrate tends to decompose under conditions of pressure decrease and/or temp...
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6341656 |
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 co...
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6305482 |
A pressure and temperature core sampler comprises a tool for recovering cores specifically enabling the evaluation of methane hydrate resources. Because methane hydrate tends to decompose under conditions of pressure decrease and/or temp...
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6145604 |
Core machine intended particularly to the oil prospection field, comprising a core crown (2), an external tube (3) for the rotational driving of the core crown (2), and an internal tube (4) having a free front end element (7) intended to...
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5957221 |
A coring apparatus permitting the taking of a non-rotating core sample and testing of same, as by NMR, prior to breakage and ejection from the apparatus. A core barrel is suspended from a rotating outer sleeve by one or more bearing asse...
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5667025 |
A multiple coring bit tool and method for taking multiple core samples of a formation traversed by a borehole in one well logging run. In this tool, multiple coring bits are used to cut the core samples. One bit is used to cut each sampl...
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5474140 |
The present invention is a soil sampling probe where a conical piston is kept at the opening to the sampling container by a first threaded portion near the top of the piston rod which engages a threaded opening near the top end of the co...
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5445229 |
A method and apparatus for drilling, cracking, and withdrawing solid each cores, the method commencing with coring the earth using a conventional rotary core drill (20). The core drill is withdrawn to leave an attached earth core (26) an...
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5439065 |
The invention is an apparatus for rotary drilling of core samples from the wall of a wellbore. The apparatus comprises a coring bit, a motor, a bit box rotatably mounted within a housing adapted to traverse the wellbore, a plunger for ex...
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5325930 |
A drilling tool, for example a core barrel inner tube assembly or a drilling bit, is attached to the inner end of a latch body which is removably seatable on a landing shoulder of a drill string. The inner end of the latch body mounts a ...
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5211249 |
The present invention provides an apparatus and method for obtaining a subterranean material sample. The inventive sampling apparatus comprises an elongate housing having a passageway extending longitudinally therethrough, a tip member m...
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5206505 |
A coring tool is lowered to the bottom of a wellbore through a subsurface formation. A coring bit at the lower end of the coring tool draws a core sample of the subsurface formation at the bottom of the wellbore into the coring tool. A c...
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5186263 |
A device for obtaining soil samples beneath the surface of the ground. A sample tube is provided with a removable piston tip blocking the forward opening of the sample tube. Rearward movement of the piston tip is blocked by a removable p...
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4989678 |
A soil sampling device and a sample containment device for containing a soil sample is disclosed. In addition, a method for taking a soil sample using the soil sampling device and soil sample containment device to minimize the loss of an...
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4953637 |
The apparatus includes a sample-holder comprising a tube (16) of thin aluminum, and a piston (12) slidable in the tube. The piston is mounted on a solid, robust piston rod (14). To drive the apparatus down to the depth at which the sampl...
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4836299 |
A well casing of an elastic metal material is placed in concentric relationship with a casing of an inert material such as a suitable plastic. A penetrating cap piece is placed on the bottom end of the metallic casing. The two concentric...
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4790396 |
A rotary drill bit for use in coring holes in subsurface formations comprises a bit body having a shank for connection to a core barrel, an outer peripheral gauge portion for engagement with the peripheral wall of the hole being drilled,...
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4694916 |
A continuous coring drill bit having a body forming external lands for support of cutting elements such as industrial diamonds and grooves for conducting drilling fluid during drilling. The body further forms an internal cavity receiving...
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4679636 |
A low-cost retrievable light-weight high-speed thin-kerf reversible electrically-driven core-sampling method and apparatus that is independent of the weight of any drill pipe, drill collars, or any other heavy cylindrical or tubular cond...
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4667754 |
A flexible plug used in combination with a hollow stem auger and connected drill head which has a hollow housing. The plug includes a plurality of flexible shape-retaining arcuate projections extending towards the plug central axis.
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4667753 |
A hollow truncated cone made from material with elastic properties which expands around a core being cut from the sidewall of a borehole drilled in the earth with a core cutting means rigidly connected to a core barrel. The hollow trunca...
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4643265 |
An unconsolidated or loose core is retrieved and retained within a coring tool by wrapping the core with a resilient thin film sleeve. The sleeve is compacted and stored within a concentric cylindrical storage space outside of the core a...
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4607710 |
A positively driven full closure core catcher for use with soft or unconsolidated cores is comprised of an inner tube shoe into which a plurality of windows have been cut. In each window is a corresponding one of a plurality of flapper v...
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4598777 |
A well coring apparatus (10) includes an outer barrel (12) and an inner barrel (18). The inner barrel (18) is sealed at one end with a sealing member (80) and has a reciprocating piston (70) disposed in the other end thereof. An O-ring (...
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4566545 |
An improved coring device that incorporates a nonrotatable inner barrel disposed within the outer driving structure of the drill string which is coupled to the coring bit. A woven metal mesh sleeve is circumferentially mounted outside th...
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4558749 |
An improved anti-jamming mechanism for use in a coring tool is devised by providing a rotary jar within the inner barrel of the coring tool. The inner barrel is connected to a bearing assembly into which a bearing shaft is axially and co...
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4556114 |
The soil sampler device has a cylindrical tubular shaped body member, one end portion of which is formed into a soil receiving section comprised of a pair of transversely opposite semicylindrically shaped half members one of which is int...
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4512423 |
An improved coring device that incorporates a nonrotatable inner barrel disposed within the outer driving structure of the drill string which is coupled to a coring bit. A woven metal mesh sleeve is circumferentially mounted outside the ...
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4512419 |
An improved coring device that incorporates a nonrotatable inner barrel disposed within the outer driving structure of the drill string which is coupled to a coring bit. A woven metal mesh sleeve is circumferentially mounted outside the ...
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4479557 |
A well coring apparatus (10) includes an outer barrel (12) and an inner barrel (18). The inner barrel (18) is sealed with a rupturable diaphragm (24) and a check valve (49). A sponge (50) is disposed around the inner walls of the inner b...
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D269844 |
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4335793 |
The invention relates to a process and apparatus for the boring of sites. The tool comprises a container 6 reinforced by a beam 10 assuring the coupling with the drive system 2 and ending in an opening door 28. The container defines an i...
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4333541 |
The soil sampling assembly is designed to be detachably secured within the central recess provided in the moulded rear bumper of small pick-up type trucks and the like. A bracket supports a pair of spaced and parallel members and a cylin...
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4312414 |
An apparatus (10) and method for obtaining oil and water saturation data from subterranean formations includes a drill bit (12) for boring a well core (26) containing the fluids. A core-catcher bowl (18) guides the well core (26) in the ...
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4296822 |
A multipurpose fluid flow assisted downhole tool that is adapted for attachment to the lower end of a pipe string to be extended into a well bore and which is capable of cutting sample cores from subsurface earth formations and removing ...
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4279315 |
An apparatus for extracting cores comprises an outer tube, an inner tube which contains a core receiving space, and a striking device which comprises a hammer and an anvil for producing a periodic axial movement of the inner tube relativ...
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