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Collaborating Authors
Deployment of Methane Detection and Quantification Technologies
Abdul Talip, Noor Arnida (PETRONAS Group Technical Solutions) | Muhamad Pikri, Mohd Hafiz (PETRONAS Group Technical Solutions) | Zainal Abidin, Dr Shahrul Azman (PETRONAS Group Technical Solutions) | Hashim, Hasnor Hassaruddin (PETRONAS Group Technical Solutions)
Abstract Methane emission affects advocacy on natural gas as low carbon fuel as it has a global warming potential of 25 times GWP compared to CO2. In promoting natural gas against coal and address concerns of stakeholders, it is critical for an Oil & Gas Company to manage the methane emissions across gas value chain for it be qualified as a cleaner fuel in the energy transition. Methane emission is usually quantified from key intended emission sources such as venting, flaring and combustion. With this greenhouse gas (GHG) emissions monitoring enables gradual reduction of large intended methane sources. However, unintended fugitive methane emission as well as those from other small intended sources such as compressor seals are usually not quantified and reported. In supporting energy transition, there is a need to step-up in accurate quantification and reduction of methane emissions and determine long term reduction target in driving competitiveness of natural gas as low carbon fuel. Hence, an initiative was taken to measure baseline data for methane emission for gas processing facilities and gas transmission and regasification unit by utilizing accurate measurement tools and methodologies for detection and quantification.
- Asia > Malaysia (0.16)
- North America > United States (0.15)
Methane Emissions Quantification Methodology in Oil & Gas Upstream and Zohr Plant Successful Case Study
Crema, Giordano (Ieoc Production B.V.) | Hamdy, Eiman (Ieoc Production B.V.) | Ceradini, Giovanni (Petrobel) | Guadagno, Flavio (Petrobel) | Moustafa, Mohammed (EniProgetti Egypt) | Saad, Mohamed (EniProgetti Egypt) | Contu, Daniela (Eni S.p.A.)
Abstract Methane is one of the main greenhouse gasses arising from typical Upstream operations, along with CO2 and N2O, to allow comparison and homogeneous aggregation of all GHG emissions. Eni has issued a dedicated Operating instruction for the Management and Accounting of Methane Emissions in Upstream Oil & Gas Activities. The objective of this operating instruction is to define the methodology and tools for Eni Upstream subsidiaries for an efficient management, monitoring and accounting of methane emissions sources. In this paper we illustrate the methodology for methane emissions monitoring and accounting relevant to fugitive, venting, flaring, and stationary combustion emissions. We shall also present a case study focused on fugitive and venting emissions where in 2020 a Fugitive Methane Emissions Monitoring Campaign was carried out in Zohr Plant by means of optical gas imaging (IR thermocamera) technique. Fugitive emissions were quantified and also, methane emissions due to operational venting were evaluated. The outcomes of the monitoring campaign together with the immediate actions taken at site thereafter resulted in a reduction of methane emissions and confirms that Zohr will remain a successful story, not only from time to market and production point of view, but also from an environmental viewpoint. This campaign confirms Eni's role in reducing methane emission through collaboration between engineering and maintenance teams. Introduction Methane is one of the main greenhouse gasses arising from typical Upstream operations, along with CO2 and N2O, which are accounted in terms of equivalent CO2(CO2eq) to allow comparison and homogeneous aggregation of all GHG emissions. The conversion parameter is the Global Warming Potential(GWP), periodically updated by IPCC (Intergovernmental Panel on Climate Change): in the short term (20 years), methane has a GWP 84 times greater than CO2. Over a longer timeframe (100 years),the potential reduces to around 28. However, Eni in line with international reporting standards, currently adopts GWP = 25.
Abstract The global climate challenge requires urgent actions to reduce greenhouse gas emissions and mitigate the adverse effects of climate change. Among the various greenhouse gases, methane has gained significant attention due to its potent warming potential. Methane, a greenhouse gas with a shorter atmospheric lifetime compared to carbon dioxide but absorbs much more energy contributes significantly to global warming. Fugitive methane emissions from leak points and vents not only leads to loss of energy resources but is a major source of GHG emissions, contributing to global warming. In line with ADNOC commitment towards Oil and Gas Methane Partnership (OGMP 2.0) Gold Standard [1], The ADNOC Group Company successfully completed a comprehensive Leak Detection and Repair Program (LDAR) in 2021/2022 to identify and address any fugitive emissions from the process of its operations. The Group Company has implemented a pragmatic and cost-effective and Leak Detection and Repair Program (LDAR) to address fugitive emissions within its operations. The LDAR program involved a comprehensive and systematic approach to identify and mitigate leaks from various equipment, such as valves, pumps, vents etc. The method began with collecting plant data such as PFDs, P&IDs, hydrocarbon composition etc. Next, an inventory of potential existing leak sources was conducted (such as flanges, valves, pumps seals, connectors, vents etc.). Following that, on ground monitoring of each leak point was conducted through Toxic Vapour Analyzer as per US EPA Method 21. After that, estimations of total fugitive emissions including methane were considered to develop the program. Ultimately, the repaired leaks were re-monitored to ensure and validate no further emissions. Around ~1.5 million of potential leak sources were monitored across all six operating plants. Consequently, around 4,450 points were found leaking (as per leak definition), resulting in release of ~990 T/year of fugitive emissions (methane emissions ~370 T/year). Majority of the leaks were repaired showing significant reduction in the annual fugitive emissions. The validation of this reduction is in process through re-measurement. In addition, the Company is piloting Satellite and Laser based methane monitoring, to enhance the detection of methane emissions through the adoption of innovative technologies.
- Asia > Middle East > UAE (0.72)
- North America > United States (0.50)
- Energy > Oil & Gas > Upstream (1.00)
- Government > Regional Government > North America Government > United States Government (0.50)
- Government > Regional Government > Asia Government > Middle East Government > UAE Government (0.48)
Abstract The balance between growing energy demands and global climate targets is a delicate one to maintain. The need for limiting its environmental impact has become evident to the Energy Sector, dictating higher transparency and granularity of the emissions data from operated and non-operated assets. Specifically, in the European Union, an upcoming regulation targets the reporting of methane emissions and their reduction, bringing operators to a critical crossroad, and calling for drastic reforms and actions. For satisfying the ultimate global request for reduction of methane emissions, as a first step, a proper development of emissions data baselines is required. The new regulation offers a great opportunity and motivation for operators to deepen their understanding of their emission sources, as well as being the starting point for the collection of methane data. In this regard, as Oil & Gas operators, we need to follow an agile approach while preparing for the new era. This paper will present the integrated approach undertaken to promote, adopt and execute key incentives that positively contribute to the Company's ethical and legal compliance. For the required methane reporting levels, source-level and site-level quantification, a full detailed inventory of assets, facilities, and wells are prerequisites, especially for quantifying fugitive emissions. This entails a challenge by itself: asset documentation, listings of equipment and components up to flange level, numerous options for storage of the inventory and many more elements need to be defined, embraced and deployed. Furthermore, measurement at each potential core methane source is essential in order to assess any emission reduction initiatives, considering that all contributions are important so that the methane intensity target of below 0.1% is achieved by 2030, as per Company's targets issued in the released annual sustainability report [Ref.2]. As anticipated, the rising demand for methane measurements has led to a plethora of available, new, and improved, technologies and methodologies. Therefore, via a large number of performed pilot tests it was imperative to evaluate the different solutions at diverse facilities in terms of their automation level, age, type and location in order to finally determine the most favorable solution for different scenarios, and ultimately build the overall strategy for the Energy division's portfolio. This paper portrays the steps involved in adopting a new strategy for methane measurement, monitoring, reporting and emissions reduction. Furthermore, it contains the lessons learnt from the pilot tests, covering experience with different technologies, big data management and the potential "automated" workflows to support the future data acquisition, integration, contextualization, and visualization.