# US 10,767,459 B2 · Hydrocarbon resource recovery system and component with pressure housing and related methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,459 B2 - Document ID: US10767459B2 - Status: Granted - Kind: B2 - Application number: 15/893,872 - Filed: 2018-02-12 - Published: 2019-08-15 - Granted: 2020-09-08 - Earliest claimed: 2018-02-12 - Assignees: Eagle Technology, LLC - Applicants: Eagle Technology, LLC - Inventors: Brian N. Wright; Raymond C. Hewit - Web page: https://patentgrep.com/patent/US10767459B2 ## CPC - E21B 43/2401: {by means of electricity} - E21B 43/2408: {SAGD in combination with other methods} - H05B 6/62: Apparatus for specific applications - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract A hydrocarbon resource recovery system is for hydrocarbon recovery in a subterranean formation. The hydrocarbon resource recovery system may include an RF antenna within the subterranean formation for hydrocarbon resource recovery, an RF source aboveground, a coaxial RF transmission line coupled between the RF antenna and the RF source and having an aboveground portion, a dielectric fluid pressure source, and pressure members joined together in end-to-end relation to define a pressure housing coupled to the dielectric fluid pressure source and surrounding the aboveground portion of the coaxial RF transmission line. The pressure members may include a straight tubular pressure member, and an elbow pressure member coupled thereto. ## Claims ### Claim 1 A hydrocarbon resource recovery system for a subterranean formation comprising: a radio frequency (RF) antenna within the subterranean formation for hydrocarbon resource recovery; an RF source aboveground; a coaxial RF transmission line coupled between said RF antenna and said RF source and having an aboveground portion; a dielectric fluid pressure source; and a plurality of pressure members joined together in end-to-end relation to define a pressure housing coupled to said dielectric fluid pressure source and surrounding the aboveground portion of said coaxial RF transmission line; said plurality of pressure members comprising at least one straight tubular pressure member, and at least one elbow pressure member coupled thereto and comprising upper and lower longitudinal halves having respective opposing flanges joined together. ### Claim 2 (depends on 1) The hydrocarbon resource recovery system of claim 1 wherein said coaxial RF transmission line comprises a first metal having a first strength; and wherein said pressure housing comprises a second metal having a second strength greater than the first strength. ### Claim 3 (depends on 2) The hydrocarbon resource recovery system of claim 2 wherein the first metal has a first electrical conductivity; and wherein the second metal has a second electrical conductivity less than the first electrical conductivity. ### Claim 4 (depends on 2) The hydrocarbon resource recovery system of claim 2 wherein the first metal comprises copper and the second metal comprises steel. ### Claim 5 (depends on 1) The hydrocarbon resource recovery system of claim 1 wherein said pressure housing has a pressure rating of at least 100 pounds per square inch. ### Claim 6 (depends on 1) The hydrocarbon resource recovery system of claim 1 comprising flanged joints between adjacent pressure members. ### Claim 7 (depends on 1) The hydrocarbon resource recovery system of claim 1 wherein said at least one elbow pressure member comprises a sealing strip extending along said opposing flanges. ### Claim 8 (depends on 1) The hydrocarbon resource recovery system of claim 1 wherein said coaxial RF transmission line comprises an inner conductor, an outer conductor surrounding said inner conductor, and a dielectric fluid between said inner and outer conductors. ### Claim 9 (depends on 1) The hydrocarbon resource recovery system of claim 1 wherein said RF source has a power level of greater than one megawatt. ### Claim 10 A hydrocarbon resource recovery component in a hydrocarbon resource recovery system for a subterranean formation comprising a radio frequency (RF) antenna within the subterranean formation for hydrocarbon resource recovery, an RF source aboveground, and a dielectric fluid pressure source, the hydrocarbon resource recovery component comprising: a coaxial RF transmission line coupled between the RF antenna and the RF source and having an aboveground portion; and a plurality of pressure members joined together in end-to-end relation to define a pressure housing coupled to said dielectric fluid pressure source and surrounding the aboveground portion of said coaxial RF transmission line; said plurality of pressure members comprising at least one straight tubular pressure member, and at least one elbow pressure member coupled thereto and comprising upper and lower longitudinal halves having respective opposing flanges joined together. ### Claim 11 (depends on 10) The hydrocarbon resource recovery component of claim 10 wherein said coaxial RF transmission line comprises a first metal having a first strength; and wherein said pressure housing comprises a second metal having a second strength greater than the first strength. ### Claim 12 (depends on 11) The hydrocarbon resource recovery component of claim 11 wherein the first metal has a first electrical conductivity; and wherein the second metal has a second electrical conductivity less than the first electrical conductivity. ### Claim 13 (depends on 11) The hydrocarbon resource recovery component of claim 11 wherein the first metal comprises copper and the second metal comprises steel. ### Claim 14 (depends on 10) The hydrocarbon resource recovery component of claim 10 wherein said pressure housing has a pressure rating of at least 100 pounds per square inch. ### Claim 15 (depends on 10) The hydrocarbon resource recovery component of claim 10 comprising flanged joints between adjacent pressure members. ### Claim 16 A method for assembling a hydrocarbon resource recovery system for a subterranean formation comprising: positioning a radio frequency (RF) antenna within the subterranean formation for hydrocarbon resource recovery; positioning an RF source aboveground; coupling a coaxial RF transmission line between the RF antenna and the RF source and having an aboveground portion; and coupling a plurality of pressure members joined together in end-to-end relation to define a pressure housing coupled to a dielectric fluid pressure source and surrounding the aboveground portion of the coaxial RF transmission line; the plurality of pressure members comprising at least one straight tubular pressure member, and at least one elbow pressure member coupled thereto and comprising upper and lower longitudinal halves having respective opposing flanges joined together. ### Claim 17 (depends on 16) The method of claim 16 wherein the coaxial RF transmission line comprises a first metal having a first strength; and wherein the pressure housing comprises a second metal having a second strength greater than the first strength. ### Claim 18 (depends on 17) The method of claim 17 wherein the first metal has a first electrical conductivity; and wherein the second metal has a second electrical conductivity less than the first electrical conductivity. ### Claim 19 (depends on 17) The method of claim 17 wherein the first metal comprises copper and the second metal comprises steel. ### Claim 20 (depends on 16) The method of claim 16 wherein the pressure housing has a pressure rating of at least 100 pounds per square inch.