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Concurrent 18. Oral Presentation for: Conversion of offshore hydrocarbon facilities for use in carbon capture and storage – challenges and solutions

Nick Brown A *
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A Advisian Pty Ltd, Level 14, 240 St Georges Terrace, Perth, WA 6000, Australia.

* Correspondence to: nicholas.brown@advisian.com

The APPEA Journal 63 - https://doi.org/10.1071/AJ22364
Published: 2 June 2023

Abstract

Presented on Wednesday 17 May: Session 18

The ability to store large volumes of carbon dioxide (CO2) is becoming critical to the success of resource projects and sustainable industrial development, particularly in the context of net zero emissions (NZE) goals. Converting ageing hydrocarbon facilities for use as part of an overall carbon capture and storage (CCS) system can be a very cost-effective strategy. However, there are many significant challenges which need to be addressed to assure CCS system safety, functionality, operability and integrity. This paper summarises the key elements of the repurposing process for conversion of ageing offshore hydrocarbon production facilities and associated pipeline infrastructure for use in CCS systems, highlighting key challenges and solutions. The repurposing elements addressed are facility development for CO2 service, facility life extension, operational conversion and Safety Case development. Key challenges identified include development of design and operating philosophies, safety management including loss of containment characterisation and pipeline requalification. The paper is based on experience in assessing the suitability of offshore gas production facilities for high-volume CO2 injection.

To access the Oral Presentation click the link on the right. To read the full paper click here

Keywords: carbon capture and sequestration, carbon dioxide, CCS, CO2, facilities repurposing, pipeline integrity, pipeline repurposing, topsides integrity.

Nick Brown is the Director of Major Studies at Advisian ANZ with current focus on energy transition projects including green hydrogen and carbon capture and storage projects. He is a Chartered Professional Engineer with more than 25 years’ experience in the design, construction and operation of hydrocarbon pipeline systems in APAC and Europe, supplemented more recently by experience in the design and operation of CO2 pipelines including the repurposing of hydrocarbon pipelines for use in CO2 service. Nick is part of Worley’s global CCS network contributing to development of best practice in CCS engineering and project delivery.