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| Reference Number | NIA2_SGN0052 | |
| Title | BISEP Live trial with LTS Futures (Phase 2) | |
| Status | Started | |
| Energy Categories | Hydrogen and Fuel Cells (Hydrogen, Hydrogen transport and distribution) 100%; | |
| Research Types | Applied Research and Development 100% | |
| Science and Technology Fields | ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100% | |
| UKERC Cross Cutting Characterisation | Not Cross-cutting 100% | |
| Principal Investigator |
Project Contact No email address given SGN |
|
| Award Type | Network Innovation Allowance | |
| Funding Source | Ofgem | |
| Start Date | 01 June 2024 | |
| End Date | 31 July 2025 | |
| Duration | ENA months | |
| Total Grant Value | £928,177 | |
| Industrial Sectors | Energy | |
| Region | South East | |
| Programme | Network Innovation Allowance | |
| Investigators | Principal Investigator | Project Contact , SGN (100.000%) |
| Industrial Collaborator | Project Contact , SGN (0.000%) |
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| Web Site | https://smarter.energynetworks.org/projects/NIA2_SGN0052 |
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| Objectives | The objectives for Phase 2 are to complete 100% hydrogen validation for installation of a grouted tee, hot tapping operations and flow stopping technology within the LTS Futures live trial. To achieve the above deliverables the project is divided into work packages and the time sequencing and interaction between the work packages are shown in detail below.1.1 WP1 Swarf DemonstrationDemonstration that the STATS modification to the BISEP tool has the capabilities to remove swarf following horizontal and vertical drilling operations into a representative test spool. Swarf dispersal will be undertaken through both welded and grouted tee"s, vertical and horizontal. The horizontal tee is the required orientation for the LTS Futures trial and subsequently operational performance for this tee will provide the operational assurance.1.2 WP 2 Factory Acceptance Test Witness and ReviewSTATS will internally function test the BISEP equipment prior to mobilisation to site. A review programme and approval with SGN and PIE to witness all operations and complete audit report. The documents to be review as part of the FAT include:· ITP and conformance / test certificates· Vendor design documentation· Roles and responsibilities· Vendor operating instructions and functional test requirements· Calibration certification· Pre/post surface inspection reports to identify any pipe wall damage during functional testing· Review pre / post inspection results (internal and external surface)· Sealing capability· Onsite checklist before commencement of Field deployment1.3 WP3 -Test site deployment observationsSTATS will fabricate/construct a test fixture at STATS yard prior to mobilisation to Spadeadam. Hot tapping and flow stopping in the industry is predominantly deployed vertically. Therefore, STATS will undertake both horizontal and vertical testing at Spadeadam to prove the technology for the Granton to Grangemouth pipeline/LTS Futures Project but also crucially for the gas industry.· 18x18" grouted tee for horizontal tap and BISEP installation and completion plug· The test pipe will be 12m long, with each fitting ~3m from either end.· The test pipe can be rotated by 90o to deploy the BISEP horizontally or vertically.· Hot tapping would be proven horizontal through grouted tee.· BISEP would be proven through the grouted tee in both horizontal and vertical orientation.· Completion plug would be installed horizontally.· Swarf dispersal through grouted tee in both vertical and horizontal positions.· During test site deployment· Complete field deployment log· After test site deployment· Post-deployment performance review in line with defined success criteria· This will follow the same technical assurance requirements defined for the trials completed at Spadeadam completed in 2023. This includes longer hold times tightness testing of the equipment to ensure containment of hydrogen. This was already completed for the BISEP tool, however the hot tapping works were completed by PMC, as such STATS need to repeat this exercise.· Recommendations for future modification of procedural outputs should success criteria not be met. If this is the case, repeat deployment will need to be completed to provide sufficient technical assurance to progress to WP 4.· All safety and performance assessment will be reviewed and analysed by PIE as the TSP.1.4 Work Package 4 Live pipeline deployment observationsTo deliver integration to the LTS Futures trial, extensive additional works need to be completed outside of the STATS deliverables. This includes general ground works, preparation of the site and pipeline as well as supporting gas safe control of operations (SCO). All of these aspects are being delivered under the NIA funding to ensure separation from the LTS Futures. The project team will have overall control of the site, managing the onsite activities through a ground works contractor. Some SGN operational maintenance support maybe required to CP the NRO operations, however this is dependent on a number of factors.The onsite activities manged through SCO will be written in coordination with the LTS Futures team, in line with current network SCO practices. The additional hydrogen technical assurance and safety requirements will be defined by the LTS Futures team in line with their project deliverables.In advance of live trial deployment:· SCO paperwork including NRO and permits· Secure excavation activities· Onsite Complete system checks· Issue Online Deployment log, to record all activities and observationsDuring live site deployment· Complete field deployment logAfter live trial site:· Post-deployment review report recommending future use of technology and procedure requirements The ongoing LTS Futures program of work has provided an opportunity to demonstrate the BISEP® deployment on a 100% Hydrogen pipeline. Validation will be completed of the installation of a grouted tee, hot tapping operations and flow stopping technology. This funding will deliver the second of 2 phases and produce additional deliverables to the Local Transmission System (LTS) Futures live trial. These work are broken down into 4 packs and were defined as part of the road map set out in Phase 1. The overall deliverable for each work pack consists of:· Demonstration of a new swarf removal tool developed by STATS, a development which was the result of the issues that were encountered with swarf interfering with the sealing face(s) during the first trial.· A factory acceptance test demonstrating a function test of the BISEP equipment prior to mobilisation to site, including the integration of the swarf removal tool. This will be done at STATS HQ in Aberdeen.· STATS will fabricate/construct a test fixture at STATS yard for the test site deployment observations being completed at Spadeadam.· STATS will conduct a live drilling demonstration via a third-party grouted tee and then deployment and flow stopping using the STATS BISEP tool.Once all system checks have been witnessed and completed, the tool will finally be deployed during the live trial of LTS Futures. The objective is to demonstrate the operation and deployment of a BISEP® flow stopping tool under live field trial conditions, proving that the tool works to a satisfactory level as deemed by SGN. Therefore, and thereafter having a high integrity line stopping technology approved for use in 100% hydrogen. | |
| Abstract | Flow-stop tooling is regularly used for major projects and emergency works across the LTS and NTS gas networks. The capabilities of the BISEP tool in 100% hydrogen were previously demonstrated during phase one albeit with some challenges that needed overcoming. This project will provide validation of installation of a grouted tee, hot tapping operations and flow stopping technology on a live field trial, linked with LTS Futures. When successfully completed, a proven double block and bleed leak tight line stopping technology suitable for 100% hydrogen will be available to the UK Gas Networks and the learning gained from this project can be applied to Network Licensees and their operations to facilitate a safe transition to hydrogen from natural gas. | |
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| Added to Database | 18/09/24 | |
