Application of Due Diligence Audit for Value Creation: Case Study from Gas PSC of Malaysia

A. Sinha, Hue Teng Lim
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Abstract

As resource owner of all hydrocarbon assets of Malaysia, Petroliam Nasional Berhad (PETRONAS) through Malaysia Petroleum Management (MPM) is responsible for providing asset integrity assurance, maintaining producing assets in safe and operable conditions and ensuring compliance to data management by Petroleum Agreement Contractors (PACs). For mature fields nearing expiry of production sharing contracts (PSCs), it is even more critical to safeguard the integrity of petroleum facilities and to conduct an inventory check of acquired data during transition from existing to new PACs. A Due Diligence Audit (DDA) provides an important milestone to benchmark the health of existing assets (subsurface and surface) and outlining roadmap for future development opportunities for the PSC fields. This paper presents key technical results and value creation areas from the DDA conducted for one of the largest gas field PSC in Malaysia. This gas PSC consisted of multiple gas fields and production hubs catering to a majority of gas production in the region. Although the fields had been in production for more than 20 years, maintaining production plateau rate and optimizing operating cost were identified as key concerns for long term sustainability. New development opportunities were also needed to mitigate the same. For existing fields, incremental recovery projects focused on lowering the abandonment pressure are planned. To maximize the utilization of gas processing capacity in production hubs, nearby gas fields have also been identified for cluster development and evacuation. Assurance on long-term gas supply is targeted through fast pace exploration in the early years of new PSCs to discover new gas development areas and to further increase the operating life of these hubs. As ageing assets, each of the fields also faced unique challenges such as liquid handling, subsidence issues and increasing inventory of idle wells. Through successful application of the DDA framework, a detailed technical assessment of deliverables was conducted along with liability management to address these asset integrity risks. With the successful completion of DDA for these fields, the technical assessment deliverables have created significant PSC value by securing identified opportunities under minimum work commitments. In addition, it facilitated a roadmap for idle wells management plan and new technology in "Implement Replicate" phasing. This has helped PETRONAS to further monetize opportunities in ageing assets, and safeguard producing hubs for long-term gas supply. This paper presents an efficient Due Diligence Audit workflow for long term value creation in mature fields and assets.
尽职调查审计在价值创造中的应用——以马来西亚天然气公司为例
作为马来西亚所有碳氢化合物资产的资源所有者,马来西亚国家石油公司(PETRONAS)通过马来西亚石油管理公司(MPM)负责提供资产完整性保证,维护生产资产处于安全和可操作状态,并确保遵守石油协议承包商(pac)的数据管理。对于即将到期的生产分成合同(psc)的成熟油田,在从现有pac过渡到新的pac期间,保护石油设施的完整性并对获取的数据进行盘点就更加重要了。尽职调查审计(DDA)提供了一个重要的里程碑,可以对现有资产(地下和地面)的健康状况进行基准测试,并为PSC油田的未来发展机会制定路线图。本文介绍了马来西亚最大的天然气田PSC之一进行的DDA的关键技术成果和价值创造领域。该天然气PSC由多个气田和生产中心组成,满足了该地区的大部分天然气生产。尽管该油田已经投产20多年,但保持生产平台率和优化运营成本是长期可持续发展的关键问题。还需要新的发展机会来缓解这种情况。对于现有油田,计划进行以降低放弃压力为重点的增量采收率项目。为了最大限度地利用生产中心的天然气处理能力,附近的气田也被确定为集群开发和疏散。通过在新psc的早期快速勘探,以发现新的天然气开发区域,并进一步延长这些枢纽的使用寿命,确保长期的天然气供应。随着资产的老化,每个油田都面临着独特的挑战,如液体处理、下沉问题和闲置井库存的增加。通过成功应用DDA框架,对可交付成果进行了详细的技术评估,并进行了负债管理,以解决这些资产完整性风险。随着这些领域DDA的成功完成,技术评估成果通过在最小的工作承诺下确保确定的机会,创造了重要的PSC价值。此外,它还为闲置井管理计划和“实施复制”阶段的新技术制定了路线图。这有助于马来西亚国家石油公司进一步从老化资产中获利,并保护生产中心的长期天然气供应。本文介绍了一种有效的尽职调查审计工作流程,用于成熟油田和资产的长期价值创造。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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