# US 10,767,453 B2 · Addressable switch assembly for wellbore systems and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,453 B2 - Document ID: US10767453B2 - Status: Granted - Kind: B2 - Application number: 16/419,306 - Filed: 2019-05-22 - Published: 2019-10-10 - Granted: 2020-09-08 - Earliest claimed: 2018-01-23 - Assignees: Geodynamics, Inc. - Applicants: Geodynamics, Inc. - Inventors: Phillip Phelps; Brad Perry; Rick Wallace - Web page: https://patentgrep.com/patent/US10767453B2 ## CPC - E21B 43/1185: Ignition systems - H05K 1/11: Printed elements for providing electric connections to or between printed circuits - F42D 1/05: Electric circuits for blasting - F42D 1/055: specially adapted for firing multiple charges with a time delay - H01R 12/714: {with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit} - H05K 1/119: {Details of rigid insulating substrates therefor, e.g. three-dimensional details (H05K1/117 takes precedence)} - H01H 1/18: with subsequent sliding - H01H 1/24: with resilient mounting - H01H 9/02: Bases, casings, or covers (accommodating more than one switch or a switch and another electrical component H02B1/26) - H01R 13/08: Resiliently-mounted rigid pins or blades - H05K 2201/09027: Non-rectangular flat PCB, e.g. circular - H05K 2201/0939: Curved pads, e.g. semi-circular or elliptical pads or lands - H05K 2201/09445: Pads for connections not located at the edge of the PCB, e.g. for flexible circuits - H05K 2201/09809: Coaxial layout - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - F42D: BLASTING (fuses, e.g. fuse cords, C06C5/00; {for obtaining fluid from wells E21B43/00; for mining or quarrying E21C37/00; for making tunnels or galleries E21D9/006}; cartridges F42B3/00) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) ## Abstract A downhole system includes a controller located at the surface, a gun string located in a wellbore, the gun string including plural gun assemblies, a thru-line connecting the controller to the gun string, and a detonator block attached to a given gun assembly. The detonator block includes an addressable switch assembly. The gun assembly includes an end plate mechanism that electrically connects to the detonator block. The detonator block has at least one spring-loaded contact connected to the thru-line and the end plate mechanism includes a round electrical contact made as a printed circuit board, and the spring-loaded contact touches the printed circuit board. ## Claims ### Claim 1 A downhole system comprising: a controller located at the surface; a gun string located in a wellbore, the gun string including plural gun assemblies; a thru-line connecting the controller to the gun string; and a detonator block attached to a given gun assembly, wherein the detonator block includes an addressable switch assembly, wherein the gun assembly includes an end plate mechanism that electrically connects to the detonator block, and wherein the detonator block has at least one spring-loaded contact connected to the thru-line and the end plate mechanism includes a round electrical contact made as a printed circuit board, and the spring-loaded contact touches the printed circuit board. ### Claim 2 (depends on 1) The system of claim 1, further comprising: a detonator electrically connected to the switch assembly. ### Claim 3 (depends on 2) The system of claim 2, wherein the detonator is located inside the detonator block. ### Claim 4 (depends on 1) The system of claim 1, further comprising: a sub connected to an end of the detonator block, which is opposite to the gun assembly. ### Claim 5 (depends on 1) The system of claim 1, wherein the printed circuit board is circular. ### Claim 6 A downhole system comprising: a controller located at the surface; a gun string located in a wellbore, the gun string including plural gun assemblies and a setting tool; a thru-line connecting the controller to the gun string; and at least an addressable switch assembly configured to actuate a gun assembly detonator and a setting tool detonator, wherein a gun assembly of the plural gun assemblies includes an end plate mechanism that electrically connects to a detonator block, and wherein the detonator block has at least one spring-loaded contact connected to the thru-line and the end plate mechanism includes a round electrical contact made as a printed circuit board, and the spring-loaded contact touches the printed circuit board. ### Claim 7 (depends on 6) The system of claim 6, further comprising: the detonator block located adjacent to the gun assembly, wherein both the addressable switch assembly and the gun assembly detonator are located inside the detonator block. ### Claim 8 (depends on 7) The system of claim 7, further comprising: a sub connected to an end of the detonator block, which is opposite to the gun assembly. ### Claim 9 (depends on 6) The system of claim 6, wherein the printed circuit board is circular. ### Claim 10 A downhole system comprising: a gun string including plural gun assemblies; and a detonator block attached to a given gun assembly, wherein the detonator block includes an addressable switch assembly, wherein the gun assembly includes an end plate mechanism that electrically connects to the detonator block, and wherein the detonator block has at least one spring-loaded contact configured to be connected to a thru-line, and the end plate mechanism includes a round electrical contact made as a printed circuit board, and the spring-loaded contact touches the printed circuit board. ### Claim 11 (depends on 10) The system of claim 10, further comprising: the thru-line connecting to the gun string; and a controller located at the surface and connected to the thru-line. ### Claim 12 (depends on 10) The system of claim 10, further comprising: a detonator electrically connected to the addressable switch assembly. ### Claim 13 (depends on 12) The system of claim 12, wherein the detonator is located inside the detonator block. ### Claim 14 (depends on 10) The system of claim 10, further comprising: a sub connected to an end of the detonator block, which is opposite to the gun assembly. ### Claim 15 (depends on 10) The system of claim 10, wherein the printed circuit board is circular.