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6672407 |
The present invention provides a method for drilling, analyzing, and stabilizing subsurface formations. The system is generally formed around a reusable bottomhole assembly (BHA) that provides an anchoring and thrust mechanism, furnishin...
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6655474 |
A drill for drilling wide diameter and high depth holes in the soil including a base machine ( 1 ) having a rotary ( 2 ) that is equipped with a clamp ( 9 ) and, by means of translation cylinders ( 8 ), rotates and axially moves a series...
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6655457 |
The invention relates to a method for use in sampling, flow measuring, quantity gauging, or possibly other analysis performed in reservoir fluid found in a ground formation. An object of the invention is to perform the sampling, flow mea...
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6644423 |
A tool latching and retrieval system allows the deployment and retrieval of a variety of direct push subsurface characterization tools through an embedded rod string during a single penetration without requiring withdrawal of the string ...
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6634440 |
A tool for removing a drill core is formed of a tubular tool member ( 1 ) having an axially extending receptacle region (A) and an axially extending gripping region (B), wherein the receptacle region (A) extends partially around half of ...
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6550549 |
A mechanism for breaking off and retaining a core sample of a drill drilled into a ground substrate has an outer drill tube and an inner core break-off tube sleeved inside the drill tube. The break-off tube breaks off and retains the cor...
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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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6467340 |
The present invention provides a system that monitors and controls the precipitation of asphaltenes in a formation fluid recovered from a subsurface formation or reservoir by using a sensor to make a direct real-time on-site measurement ...
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6457539 |
An early formation evaluation tool is provided which includes formation fluid sampling capabilities. In one embodiment, fluid pressure in a drill string in which the tool is interconnected is utilized to operate packers of the tool and t...
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6425447 |
A method and apparatus for handling a geological sample, such as a core from a formation. The formation may be a formation of an oil and/or gas well. The apparatus includes a container for receiving the sample and is characterized in tha...
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6412575 |
The present invention provides a brush bit for cutting a core sample from an unconsolidated formation with reduced fragmentation or damage to the core sample by using a plurality of stiff bristles to cut rock from around the core sample....
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6394192 |
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 ...
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6390206 |
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 tub...
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6360829 |
The soil sampler of this invention is mounted on a wheeled vehicle and includes a frame having a pivotal mast which is movable between an upright position and a horizontally disposed position. An elongated, hollow soil probe is longitudi...
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6340062 |
An early formation evaluation tool is provided which includes formation fluid sampling capabilities. In one embodiment, fluid pressure in a drill string in which the tool is interconnected is utilized to operate packers of the tool and t...
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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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6283228 |
A method for protecting integrity of a core sample during transport from a subterranean formation to the surface comprising: cutting a core sample from the subterranean formation using a drilling fluid; encapsulating the core sample with...
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6230820 |
A sampling device is provided for driving into the ground to sample fluids at a desired depth without requiring the drilling of a well. The sampling device utilizes a universal drive point device which is removably coupled to a tubular p...
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6220371 |
The present invention is a method and apparatus for real time in-situ measuring of the downhole chemical and or physical properties of a core of an earth formation during a coring operation. The present invention comprises several embodi...
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6216804 |
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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6176326 |
A soil sampling measuring device for collecting and measuring samples of soil for testing the volatile organic compounds in the soil. The soil sampling device includes a tactile indication of the volume of soil collected in the sampling ...
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6164389 |
A core sampling method, particularly for the oil industry, wherein actual core sampling is performed by means of a core sampler (1) comprising at least one Inner barrel (5), an outer barrel (2) and a bit (3), and a substantially axial co...
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6125948 |
A soil sampling device for collecting samples of soil provides a single use unit with an integrally molded plunger. The soil sampling device includes a cylindrical body having a first chamber and a second chamber, with each chamber compr...
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6098725 |
A soil sampling device for collecting samples of soil provides a single use unit with an integrally molded plunger. The soil sampling includes a cylindrical body having first and second ends, with the body comprising a cylindrical wall h...
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6098724 |
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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6047782 |
An assembly for extracting discrete soil samples from subsurface soil at a lurality of selected depths includes an elongated outer tubular housing, and a soil sample tube for disposal in the outer tubular housing. The soil sample tube is...
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6035950 |
A sampling device includes a barrel having a downhole end, an exterior surface, an interior surface defining a hollow interior, and an open end at the downhole end of the hollow interior. A fluid entrance penetrates the exterior surface....
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6019181 |
A core drilling latch assembly for use in terrestrial core drilling operations. The latch assembly incorporates features and elements which affect the flow of drilling fluids past the latch assembly and toward the drill bit, depending up...
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6009958 |
A soil sampling apparatus includes a sampling box for penetrating the ground first, and a shutter plate for subsequently penetrating the ground while engaging with the sampling box, thereby sampling soil layers located in a space surroun...
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6006844 |
A core barrel having an inner tube for coring and, alternately, a center plug assembly for closing the throat of the core bit at the bottom of the assembly for drilling in lieu of coring. The inner tube assembly and plug assembly are dis...
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6003620 |
The present invention is a method and apparatus for real time in-situ measuring of the downhole chemical and or physical properties of a core of an earth formation during a coring operation. The present invention comprises several embodi...
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5992543 |
A core drilling latch assembly for use in terrestrial core drilling operations. The latch assembly incorporates features and elements which affect the flow of drilling fluids past the latch assembly and toward the drill bit, depending up...
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5984023 |
The present invention is a method and apparatus for real time in-situ measuring of the downhole chemical and or physical properties of a core of an earth formation during a coring operation. The present invention comprises several embodi...
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5980628 |
A curable gypsum-based composition for the production cured gypsum matrix. The composition comprises two-components, the first component includes calcined gypsum suspended in water, and a set retarding substance comprising (i) an organic...
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5931237 |
An apparatus for securing a soil testing device and other attachments necessary for soil testing near the bottom of a borehole uses a pair of clamps with gripping teeth that interlock with similar gripping teeth in the internal wall of t...
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5921328 |
An apparatus for obtaining subterranean soil samples includes an elongated housing having a passageway extending longitudinally therethrough, a tip assembly movable through the passageway, and a locking device for releasably preventing t...
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5884714 |
A sampling device includes a barrel having a downhole end, an exterior surface, an interior surface defining a hollow interior, and an open end at the downhole end of the hollow interior. A fluid entrance penetrates the exterior surface....
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5881825 |
The present invention provides a method for protecting the integrity of a core sample during transport from a subterranean formation to the surface comprising: cutting a core sample from the subterranean formation using a drilling fluid;...
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H001780 |
A soil sample core system includes an outer cylinder having first and sec ends; a sample tube for sliding within the outer cylinder; a tip sleeve mounted to the first end of the outer cylinder; a push pipe which may be mounted to the sec...
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5676213 |
A portion of a borehole wall is isolated from surrounding borehole fluids by placing a chamber of a borehole tool against the borehole wall. The chamber comprises a cylindrical recess in an exterior surface of the borehole tool. The rece...
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5673763 |
A modulated bias unit, for controlling the direction of drilling of a rotary drill bit when drilling boreholes in subsurface formations, comprises a number of hydraulic actuators spaced apart around the periphery of the unit. Each actuat...
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5673762 |
A method for obtaining saturated soil samples includes conventional drilling equipment with a central hollow which receives a conventional soil sample collection device. An elongate sleeve with a closed end is nested about the sample col...
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5663499 |
An improved method of estimating formation permeability is provided. Essentially, the improved method of the present invention combines a mud cake build-up/invasion model and a fully implicit near-well bore model from which radial format...
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5639380 |
Method and system of operating an Intelligent Pump-and-Treat groundwater recovery system where the groundwater level is monitored in monitoring wells and that information transmitted to a computer controller. The computer controller calc...
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5571962 |
A method and apparatus for identifying cuttings from a wellbore is disclosed. The cuttings can be identified by measuring emissions such as alpha, beta, or gamma particles which emanate from the cuttings. A continuous wellbore profile of...
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5568838 |
A core barrel having an inner tube for coring and, alternately, a center plug assembly or closing the throat of the core bit at the bottom of the assembly for drilling in lieu of coring. The inner tube assembly and plug assembly are disp...
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5562169 |
In combination with resonant sonic earth drilling components, and for particular use in retrieving a core sample in a core barrel seated against an internal shoulder in a sonically driven drill bit, a resilient axial loading device not o...
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5560438 |
The present invention provides a method for maximizing the chemical integrity and, if desired, maintaining the mechanical integrity of a core sample during transport from a subterranean formation to the surface. The method involves cutti...
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5517868 |
Disclosed is a tool-like cartridge for preserving a soil sample which may be contaminated with a volatile organic compound (VOC). The cartridge includes a barrel and a plug in the barrel for sealing the barrel proximal end during and aft...
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5494119 |
The obtaining of undisturbed core samples of subsurface soils for analysis and study is disclosed. Percussion-type downhole drilling equipment uses compressed air directed internally of a pipe casing to actuate a percussion-type piston a...
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