Matches 1 - 20 out of 20
Match Document Document Title
6009960 Coring tool  
A coring assembly comprising a body securable at its upper end to a mandrel add at its lower end to a core catcher housing, a ball sleeve slidably disposed about said mandrel and moveable between a...
5487433 Core separator assembly  
An assembly for dispensing a core separator ring on the top of a previously-cut core that is ejected from a core-cutting bit in a storage bin. The core separator assembly is integral with the...
5411106 Method and apparatus for acquiring and identifying multiple sidewall core samples  
A method and apparatus for acquiring a plurality of sidewall cores from an earth formation intersected by a wellbore while a coring tool is located downhole. A sidewall coring tool is provided...
5146999 Shoe assembly with catcher for coring  
The application is directed to a shoe assembly with a core catcher for retaining a core of an unconsolidated rock or earth formation in a coring barrel. The shoe assembly includes a tube section...
4930587 Coring tool  
A coring tool comprises a core cutting section and an actuating section disposed thereabove. The core cutting section includes axially telescoping outer and inner barrels. The inner barrel includes...
4848484 Soil sample extraction tool  
A soil sample extraction tool including a container having a soil sample receiving chamber, the chamber being accessible by an opening in the container. A first end of the container is engageable...
4059155 Junk basket and method of removing foreign material from a well  
An improved junk basket comprises a tool body having a longitudinally extending passageway therethrough and a magnet assembly disposed in the passageway. A retainer is cooperative between the...
3812922 DEEP OCEAN MINING, MINERAL HARVESTING AND SALVAGE VEHICLE  
A deep ocean mining, mineral harvesting and salvage vehicles including a body integrally formed of a positive buoyancy material and having recesses therein to receive a plurality of variable...
3768580 APPARATUS FOR TAKING AN UNDISTURBED SOIL SAMPLE  
An improved apparatus for taking an undisturbed soil sample supported by a flexible hose and an additional supporting tube which is coaxially positioned within the sampling tube proper, provided...
3677355 CORE RETRIEVING APPARATUS  
Apparatus for retrieving cores while drilling a borehole which enables an elongated cylindrical solid core sample to be obtained from a formation. A coring bit together with a core barrel which...
3647009 FLUKED CORE RETAINER  
An arrangement for retaining a soil sample in a sampling tube, especially but not exclusively from remote locations such as the floor of the ocean or other body of water. A series of pivoted...
3409094 Spring actuated core retainer  
3155174 Fuel powered sediment corer  
3154157 Side wall sampling device  
3107740 Core-sampling appliance for graphite-type nuclear reactor  
3095050 Core drilling apparatus  
3067821 Magnetic junk basket assembly for drill strings  
2910273 Corer for turbine driven well drilling units  
2906341 Junk basket  
0929780 Title is not available  
Matches 1 - 20 out of 20