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7673704 |
A coring device includes a primary and a secondary bit that drill a first and second depth into a formation, respectively. The first and second bits are positioned on telescopically arranged mandrels that are rotated by a suitable rotary...
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7660672 |
A method and computer program product of either preventing or minimizing pore pressure increase near the wellbore wall within argillaceous formations through which a borehole has been drilled. By interpreting relevant drilling experience...
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7628228 |
Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be stagg...
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7600580 |
The present invention relates to an apparatus and method for recovering a sample from a subterranean formation. The apparatus comprises a receptacle for receiving a sample and at least two seal assemblies disposed on an inner surface of ...
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7546885 |
A downhole drilling tool positionable in a wellbore penetrating a subterranean formation is provided. The tool includes a formation evaluation tool having fixed and retrievable portions. The fixed portion is operatively connected to a dr...
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7530407 |
A rotary coring device and a method for acquiring a sidewall core from an earth formation adjacent a wellbore are provided. The rotary coring device includes a coring tool having a housing with a core receptacle therein and being adapted...
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7438135 |
Methods are provided in which reliance is placed on a first and second barrier respectively positioned in a well 10 to provide well control during well suspension, completion and/or workover operations. Each of the barriers is below th...
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7410011 |
The extent of invasion of a water-based drilling fluid into a formation may be determined using at least two tracers where one is deuterium oxide and the other is a water-soluble tracer. One such method includes introducing a drilling fl...
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7392856 |
A sampling device for collecting depth-specific samples in silt, sludge and granular media has three chambers separated by a pair of iris valves. Rotation of the middle chamber closes the valves and isolates a sample in a middle chamber.
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7387175 |
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...
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7380615 |
A core sample extraction system for extracting a plug from soil and removing the plug from the device so that the soil and any roots in the plug can be analyzed includes a boring tube including a top end and a bottom end. The bottom end ...
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7380599 |
An apparatus and method for characterizing a subsurface formation is provided. The apparatus includes a tool body, a probe assembly carried by the tool body for sealing off a region of the borehole wall, an actuator for moving the probe ...
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7373994 |
A coring member useful in wellbore excavating operations comprising at least one segment disposed onto the end of a shaft, where a channel is formed between each at least one segment. The at least one segment has an impeller like arrange...
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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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7347281 |
Disclosed herein is a coring tubular. The coring tubular has a body, at least one opening hole radially oriented in the tubular body and a parting line in the tubular body. Further disclosed herein is a method for reducing contamination ...
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7343984 |
A core sample collector includes a cylinder and a piston, wherein the piston includes a piston body, upper piston rings and lower piston rings, and a sterilizing agent is held in a space defined between the piston, the cylinder, the uppe...
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7325628 |
A seabed anchor ( 20 ) is fixed to and deployable from an ROV ( 10 ) for positively anchoring the ROV ( 10 ) to the seabed ( 100 ). The seabed anchor ( 20 ) comprises three nested telescoping tubes ( 26, 28 , & 30 ). The upper end of th...
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7308951 |
Disclosed herein is a method of coring a crustal core sample, which comprises using a crustal core sampler equipped with a flow-able coating material-ejecting mechanism for ejecting a flow-able coating material, and ejecting the flow-abl...
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7293613 |
A method and apparatus for downhole coring while receiving logging-while-drilling tool data. The apparatus includes core collar and a retrievable core barrel. The retrievable core barrel receives core from a borehole which is sent to the...
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7252141 |
A groundwater sampling and pumping device and system for withdrawing groundwater from a well. The device includes a hollow outer housing having water inlet ports formed through a bottom thereof and a hollow inner housing sized to be posi...
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7240743 |
This invention relates to probes used in the ground for the collection of data relating to soil conditions and in particular to a construction and method of insertion of probe bodies that will house such probes. A probe body insertion ap...
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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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7204323 |
Systems and methods are described for detection and removal of underground organic and inorganic compounds utilizing underground boring tool technology. Typically a drilling fluid is flowed through a pipe or drill string, over the boring...
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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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7172036 |
A soil sample containment device is provided which allows soil samples to be contained within individual sections of a soil sampler liner. The device includes first and second end caps for covering and sealing the respective ends of the ...
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7168508 |
A method and apparatus for downhole coring while receiving logging-while-drilling tool data. The apparatus includes core collar and a retrievable core barrel. The retrievable core barrel receives core from a borehole which is sent to the...
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RE39468 |
A tool for withdrawing a soil sample comprising a frame member including a portion including spaced vertically extending legs having lower ends, a foot portion fixed to the lower ends of the legs and including a horizontally extending sl...
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7124841 |
Disclosed herein are a crustal core sampler, by which a crustal core sample can be cored in a state coated with a flow-able coating material free of any contamination, and a method of coring a core sample using this crustal core sampler....
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7055626 |
A core bit for cutting core samples in subterranean formations. The core bit has interior geometric features configured to control the quantity of drilling fluid, or flow split, flowing into a narrow annulus defined by an inside diameter...
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7055625 |
An autonomous subsurface drilling device has spaced-apart forward and rearward “feet” sections coupled to an axial thruster mechanism between them to operate using an inchworm method of mobility. In one embodiment, forward and rearwa...
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7013993 |
A method of taking a crustal core sample, wherein the crustal core sample is obtained in a state coated with an antimicrobial polymeric gel formed of a polymer and an inorganic antimicrobial agent dispersed in the polymer. The inorganic ...
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6941804 |
A method of determining an in situ PVT property of a hydrocarbon reservoir fluid that is present in a hydrocarbon-bearing formation layer traversed by a borehole, which method involves the steps of:
a) calculating along the hydroc...
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6907931 |
The invention concerns a device for driving into the marine subsurface, in particular at great depths exceeding a thousand meters, a tubular tool for soil sampling or for measuring said soil characteristics. The invention is characterize...
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6863136 |
Apparatus for probing, sensing, testing penetrating and sampling a medium generally includes an actuator ( 12 ) for generating vibrations at ultrasonic frequencies and a horn ( 14 ) coupled to the actuator ( 12 ) for amplifying the actua...
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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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6820703 |
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 dev...
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6745835 |
A method for sampling a subsurface formation includes positioning a formation testing tool in a borehole having borehole fluid with a pressure less than formation pressure such that a pressure differential exists between the borehole and...
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6736225 |
The present disclosure provides a coring guide 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 using t...
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6736224 |
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 wellbore ...
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6732818 |
A device for preserving the orientation of a core is described. A core barrel is attached to a rotatable orienting rod. A plurality of projections are located on an inner surface of the core barrel. Three projections are grouped together...
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6729417 |
A soil tester combination is provided that has an elongated rigid outer semi-cylindrical sleeve with a sharp narrowed outer sleeve end and a handle mounted on an opposite outer sleeve end, and a similar inner sleeve having a plurality of...
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6729416 |
A core sample retaining sleeve is provided for preventing loss of a cut core sample from the distal end of a coring bit, particularly during retraction of the coring bit to within the coring tool. Preferably, the core sample retaining sl...
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6712161 |
A containment cartridge for extracting and preserving a soil sample comprises a cylindrical sampling barrel for insertion into the soil for collecting a soil sample.
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6712158 |
An apparatus and method for creating a hole in a subsurface formation is disclosed. The apparatus includes an inner assembly, which may include a coring barrel, a piston cylinder and a piston rod member, is connected to an elongate membe...
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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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6705411 |
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 motor comprising a rotor connected to the outer barrel and a stator to the hea...
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6695076 |
A method of taking a crustal core sample, wherein the crustal core sample is obtained in a state coated with an antimicrobial polymeric gel formed of a polymer obtained by polymerizing an antimicrobial monomer, preferably a quaternary am...
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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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6681872 |
An in situ reactor for use in a geological strata, is described and which includes a liner defining a centrally disposed passageway and which is placed in a borehole formed in the geological strata; and a sampling conduit is received wit...
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