# US 10,767,433 B2 · Integrated controls for subsea landing string, blow out preventer, lower marine riser package > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,433 B2 - Document ID: US10767433B2 - Status: Granted - Kind: B2 - Application number: 15/904,736 - Filed: 2018-02-26 - Published: 2019-08-29 - Granted: 2020-09-08 - Earliest claimed: 2018-02-26 - Assignees: OneSubsea IP UK Limited - Applicants: OneSubsea IP UK Limited - Inventors: Bilal Rafaqat Hussain; Khurram Rehmatullah; Christopher Nault; Vikas Rakhunde; Darcy Ryan - Web page: https://patentgrep.com/patent/US10767433B2 ## CPC - E21B 33/0355: {Control systems, e.g. hydraulic, pneumatic, electric, acoustic, for submerged well heads} - E21B 33/038: Connectors used on well heads, e.g. for connecting blow-out preventer and riser - E21B 33/064: specially adapted for underwater well heads - E21B 33/063: {for shearing drill pipes (cutting of wireline E21B29/04)} - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS ## Abstract A controls module for use with a subsea landing string, a blowout preventer (BOP) stack and a lower marine riser package (LMRP) is disclosed. The controls module can be integrated into the BOP stack or the LMRP or between the BOP stack and the LMRP. The controls module includes an input line that is coupled to control the subsea landing string through the BOP or the LMRP. The input line can be a hydraulic line, an electrical line, or a combination. ## Claims ### Claim 1 A subsea landing string, comprising: a subsea landing string configured to couple to a wellhead on a seabed, the subsea landing string having a first input line component; a blowout preventer (BOP) stack coupled to the subsea landing string having one or more actuatable components; a controls module coupled to the subsea landing string above the BOP stack, the controls module comprising an input line, a second input line component, and a coupling mechanism, the coupling mechanism comprising a piston wherein the piston is configured move from a first position to a second position in response to hydraulic and/or electric actuation wherein the coupling mechanism is configured to couple the first input line component to the second input line component in response to movement of the piston from the first position to the second position; and a lower marine riser package (LMRP) coupled to the subsea landing string above the controls module, the LMRP having one or more actuatable components; wherein the one or more actuatable components in the BOP stack and the LMRP are configured to receive an input from the input line in the controls module. ### Claim 2 (depends on 1) The subsea landing string of claim 1, wherein the controls module is configured to operate with the subsea landing string, the BOP stack, and the LMRP using at least one shared line coupled to the input line. ### Claim 3 (depends on 1) The subsea landing string of claim 1, wherein the input line comprises at least one of a hydraulic line or an electric line. ### Claim 4 (depends on 1) The subsea landing string of claim 1, wherein the input line comprises a plurality of input lines. ### Claim 5 (depends on 4) The subsea landing string of claim 4, wherein the plurality of input lines comprises at least one hydraulic line and an electric line. ### Claim 6 (depends on 4) The subsea landing string of claim 4, wherein the coupling mechanism is configured to couple one or more of the input lines separate from at least one other input line. ### Claim 7 (depends on 1) The subsea landing string of claim 1, wherein the input line comprises a power line and a communication line. ### Claim 8 (depends on 1) The subsea landing string of claim 1, wherein the controls module is configured to be installed as a separate module between the BOP and the LMRP independently from the BOP and the LMRP. ### Claim 9 (depends on 1) The subsea landing string of claim 1, wherein the controls module is integrated into the BOP. ### Claim 10 (depends on 1) The subsea landing string of claim 1, wherein the controls module is integrated into the LMRP. ### Claim 11 (depends on 1) The subsea landing string of claim 1, wherein the controls module includes an external access point configured to be accessed via a remotely operated vehicle (ROV). ### Claim 12 (depends on 1) The subsea landing string of claim 1, wherein the first input line component and the second input line component comprise an inductive coupler. ### Claim 13 A controls module, comprising: a plurality of ports configured to couple with corresponding ports on a subsea landing string on a wellhead, wherein the ports are coupled to input lines operably coupled to a remote control device; and a coupling mechanism configured to couple the plurality of ports on the controls module with the corresponding ports on the subsea landing string, wherein the input lines are configured to provide control inputs for both a blowout preventer (BOP) stack and a lower marine riser package (LMRP), the coupling mechanism comprises: a piston configured to move from a first position to a second position in response to hydraulic and/or electric actuation to move the plurality of ports on the controls module relative to the corresponding ports on the subsea landing string to couple the plurality of ports with the corresponding ports. ### Claim 14 (depends on 13) The controls module of claim 13, wherein the controls module is configured to operate with the subsea landing string, the BOP stack, and the LMRP using a plurality of shared lines coupled to the input lines. ### Claim 15 (depends on 13) The controls module of claim 13, wherein the controls module is integrated with the LMRP. ### Claim 16 (depends on 13) The controls module of claim 13, wherein the controls module is integrated with the BOP. ### Claim 17 (depends on 13) The controls module of claim 13, wherein the input lines are configured to actuate the coupling mechanism. ### Claim 18 (depends on 13) The controls module of claim 13, wherein at least one of the ports is a hydraulic port and at least one other of the ports is an electric line. ### Claim 19 (depends on 13) The controls module of claim 13, wherein the coupling mechanism comprises an emergency disengage component configured to disengage the plurality of ports in response to a predetermined emergency signal. ### Claim 20 A method, comprising: coupling together a controls module, a subsea landing string, a lower marine riser package (LMRP), and a blowout preventer (BOP) stack, wherein the controls module comprises an input line and a coupling mechanism; actuating the coupling mechanism hydraulically and/or electrically to move one or more input ports relative to corresponding ports on the subsea landing string to to couple the input line to the corresponding ports, wherein the one or more input ports are operably coupled to components within the subsea landing string, the LMRP, and the BOP stack; and operating the components via the controls module, the input line, and the one or more input ports. ### Claim 21 (depends on 20) The method of claim 20, wherein the input line comprises at least one of a hydraulic line, an electrical power line, and a communications line. ### Claim 22 (depends on 20) The method of claim 20, further comprising actuating the coupling mechanism to uncouple the input line from the corresponding ports. ### Claim 23 (depends on 20) The method of claim 20, further comprising integrating the controls module into the LMRP. ### Claim 24 (depends on 20) The method of claim 20, further comprising operating the components within the BOP stack, the subsea landing string, and the LMRP via the input line coupled to a shared control line extending to a surface rig.