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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7234547 | Apparatus and methods for sponge coring 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 lower end thereof, and an inn... | 06/26/2007 |
| 7172036 | Soil sample containment device and method 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 soil sampler liner section. E... | 02/06/2007 |
| 7124841 | Crustal core sampler and method of coring crustal core sample using the same 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. The crustal core sampler com... | 10/24/2006 |
| 7100707 | Stabilized soil core samples and method for preparing same An intact core sample from a soil area, such as a golf green or a ball field, is embedded in molded plastic. The core sample first is obtained, and then adhesively bonded together prior to molding it in clear plastic to preserve the soil core sample in an intact and... | 09/05/2006 |
| 7093676 | Apparatus and methods for sponge coring 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 lower end thereof, and an inn... | 08/22/2006 |
| 6719070 | Apparatus and methods for sponge coring 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 lower end thereof, and an inn... | 04/13/2004 |
| 6695075 | Soil sampler 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 proximal direction be... | 02/24/2004 |
| 6283228 | Method for preserving core sample integrity 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 an encapsulating ... | 09/04/2001 |
| 6125948 | Soil sampling device with frangible section 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 comprising a cylindrica... | 10/03/2000 |
| 6098725 | Soil sampling device with frangible section and method of sampling 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 having a longitudin... | 08/08/2000 |
| 5980628 | Curable gypsum-containing composition and method for stabilization of unconsolidated core samples 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 acid containing a... | 11/09/1999 |
| 5881825 | Method for preserving core sample integrity 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; encapsulating the... | 03/16/1999 |
| 5568838 | Bit-stabilized combination coring and drilling system 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 disposable and retriev... | 10/29/1996 |
| 5560438 | Method and composition for preserving core sample integrity using an encapsulating material 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 cutting and encapsulati... | 10/01/1996 |
| 5482123 | Method and apparatus for pressure coring with non-invading gel A pressure core barrel including an inner tube containing a non-invasive gel for encapsulating a core sample. An anti-whirl core bit is employed, and the core bit and inner tube pilot shoe are configured and arranged to prevent damage to the core from dri... | 01/09/1996 |
| 5439065 | Rotary sidewall sponge coring apparatus 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 extracting the core ... | 08/08/1995 |
| 5360074 | Method and composition for preserving core sample integrity using an encapsulating material The present invention provides a method for maintaining the mechanical integrity and for maximizing the chemical integrity of a core sample during transport from a subterranean formation to the surface. The method involves cutting and encapsulating a core... | 11/01/1994 |
| 4643265 | Core barrel apparatus for disposing a core within a thin, flexible film casing 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 and within the tool... | 02/17/1987 |
| 4598777 | Method and apparatus for preventing contamination of a coring sponge 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 (68) is disposed at... | 07/08/1986 |
| 4587857 | Method for mounting poorly consolidated core samples A method of mounting and confining poorly and/or unconsolidated core samples for subsequent handling and testing is disclosed. The preferred method comprises the steps of inserting a poorly consolidated core sample into a predetermined length of heat shri... | 05/13/1986 |
| 4566545 | Coring device with an improved core sleeve and anti-gripping collar with a collective core catcher 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 the inner barrel and... | 01/28/1986 |
| 4512423 | Coring device with an improved weighted core sleeve and anti-gripping collar 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 inner barrel and t... | 04/23/1985 |
| 4512419 | Coring device with an improved core sleeve and anti-gripping collar 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 inner barrel and t... | 04/23/1985 |
| 4449594 | Method for obtaining pressurized core samples from underpressurized reservoirs The invention provides a method for obtaining a balanced, pressurized core sample from an underpressurized geological reservoir formation. A pressure core sampling well is drilled to a preselected depth and the bottom hole reservoir pressure therein is de... | 05/22/1984 |
| 4356872 | Downhole core barrel flushing system A core barrel flushing device and method is disclosed particularly for flushing drilling fluid, mud and other undesirable material from a pressure core barrel downhole at existing conditions and pressure. The flushing device (F) comprises an outer barrel attac... | 11/02/1982 |
| 4156469 | Method of and apparatus for recovery of cores from soft and unconsolidated earth materials A core barrel having a hollow cutting ring is placed within a hollow drill and connected to a coupling which permits the core barrel to remain stationary while the bit rotates and also produces pressure to force the sharp edge of the cutting ring into the... | 05/29/1979 |
| 4071099 | Method and apparatus for stabilizing borehole cores A method of and apparatus for stabilizing oil well cores taken within rubber sleeve core barrels is provided wherein an unconsolidated and friable columnar mass of earth may be handled without altering the characteristics of its physical structure. A hous... | 01/31/1978 |
| 4055051 | Unitary drill bit and roof bolt A combined drill bit and roof bolt and a method for forming a bore hole in a mine roof and for reinforcing same. The drill bit and roof bolt form the same structural element which preferably comprises an elongate hollow tube. On one end of the tube is for... | 10/25/1977 |
