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1. US20160356087 - Ram accelerator system with baffles

Office
United States of America
Application Number 15135452
Application Date 21.04.2016
Publication Number 20160356087
Publication Date 08.12.2016
Grant Number 10697242
Grant Date 30.06.2020
Publication Kind B2
IPC
E21B 7/00
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7Special methods or apparatus for drilling
F41A 1/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
1Missile propulsion characterised by the use of explosive or combustible propellant charges
04Missile propulsion using the combustion of a liquid or gaseous fuel, e.g. hypergolic fuel
F41A 1/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
1Missile propulsion characterised by the use of explosive or combustible propellant charges
02Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion
E21B 49/04
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
02by mechanically taking samples of the soil
04using explosives in boreholes; using projectiles penetrating the wall
E21B 11/02
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
11Other drilling tools
02Boring rams
E21B 7/06
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7Special methods or apparatus for drilling
04Directional drilling
06Deflecting the direction of boreholes
CPC
E21B 7/061
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
04Directional drilling
06Deflecting the direction of boreholes
061the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
E21B 7/007
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
007Drilling by use of explosives
E21B 7/28
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
28Enlarging drilled holes, e.g. by counterboring
E21B 11/02
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
11Other drilling tools
02Boring rams
E21B 49/04
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
02by mechanically taking samples of the soil
04using explosives in boreholes; using projectiles penetrating the wall
F41A 1/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
1Missile propulsion characterised by the use of explosive or combustible propellant charges
02Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion
Applicants HYPERSCIENCES, INC.
Inventors Mark C. Russell
Timothy John Elder
Jonathan M. Wolff
Agents Lindauer Law, PLLC
Title
(EN) Ram accelerator system with baffles
Abstract
(EN)

One or more ram accelerator devices may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth. The ram accelerator includes one or more baffles that are downhole. The ram accelerator devices propel projectiles which are accelerated by combustion of one or more combustible gasses in a ram effect to reach velocities exceeding 500 meters per second. An endcap may be deployed within a tube of the ram accelerator device to prevent incursion of formation pressure products such as oil, water, mud, gas, and so forth into a guide tube of the ram accelerator. The endcap may be maintained in place within the hole at least in part by the one or more baffles. During operation the projectile penetrates the endcap and at least a portion thereof impacts a working face.


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