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Abatement Of GHG Emissions By Simplifying Field Architecture With Multiphase Flowmeters In Onshore US Shale: A Field Case Study

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Course Credit: 0.15 CEU, 1.5 PDH

Methane is a powerful greenhouse gas (GHG). Over 20 years, it is 80 times more potent at warming than carbon dioxide, with onshore conventional wellsite production facilities being the source of more than 50% of petroleum methane emissions in the United States (US). An operator working in the gas condensate window of the Eagle Ford shale has been diligently looking for innovative transition technologies to help minimize methane emissions from wellsite sources. Other key sustainability attributes for the project were capex and opex savings while simplifying well-pad architecture.

Leak detection and repair (LDAR) programs that identify unintended or fugitive emissions from equipment in an oil and gas facility are a traditional way to drive maintenance activities to reduce emissions. However, this is focused on detection rather than elimination. The operator typically configures well pads with three to six wells with one test separator per well, resulting in multiple separators per well-pad. The switch from test separators to inline multiphase flowmeters (MPFM) was an ideal solution as it eliminates the need for so many wellsite separators, thus eliminating valves, pneumatic devices, and connections responsible for most fugitive gas emissions on production wellsites while simultaneously delivering real-time monitoring, which provides repeatable and accurate fluid measurements.

Throughout a field case study, the MPFM performed within the uncertainty range specified by the operator. It also demonstrated significant financial incentive as it provides a 50% reduction in capex per well by simplifying the equipment and pipeline infrastructure and the investment cost for ancillaries (space, power, manifolds, etc.). In addition, overall methane emissions were reduced, and the number of potential leak paths for fugitive methane was minimized.

The field case study demonstrated how integrating MPFM technology to reduce GHG emissions will bring more tangible results than leak detection and repair efforts. The study shows how emissions can be reduced by more than 72% in different scenarios, depending on the number of wells in a well-pad with one test separator. If the test separator is removed, the reduction can reach up to 92%. Simplifying well-pad architectures using MPFMs for well measurements while performing separation and liquid handling at centralized facilities minimizes the many connections and valves responsible for most methane fugitive emissions. New or retrofitted facilities can use this transforming technology as their cost has decreased significantly, and data are repeatable and accurate. All content contained within this webinar is copyrighted by Amin Amin and Katharine Moncada and its use and/or reproduction outside the portal requires express permission from Amin Amin and Katharine Moncada.

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  • 1Abatement Of GHG Emissions By Simplifying Field Architecture With Multiphase Flowmeters In Onshore US Shale: A Field Case Study - Chapter 1
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Earn credits by completing this course0.15 CEU credit1.5 PDH credits


Amin AminAmin joined Belsim Engineering in 2018 after 32 years with Schlumberger, where he held operations and management positions in field operations, strategic marketing, and R&D, and 6 Years of engineering consulting specializing in multiphase, wetgas, VFM, production allocation systems, and Data Validation and Reconciliation modeling.

He is an active member of the API Committee on Production Measurement and Allocation (CPMA), Program Chair of SPE Flow Measurement Technical Section (FMTS), and member of ASME PTC DVR Control and Quality Improvement of Process Data.

Amin has Diplôme De Maîtrise from Université de Nice, a Master of Engineering from Supélec-Paris, and a Master of Petroleum Engineering from Heriot-Watt University-Edinburgh. He holds an Executive MBA from the Sloan School of Management-MIT Boston.
Babatunde AnifowoseBabatunde Anifowose is a university lecturer and researcher with more than 20 years’ work experience in the areas of sustainability and environmental assessment of the oil and gas industry value chain including estimating methane emissions from facilities using models and EFs. He was course director for the MSc Petroleum & Environmental Technology program at Coventry University, UK. He is a member of the UK Engineering and Physical Sciences Research Council’s Peer Review College. Babatunde was on the board of directors of the SPE Sustainable Development Technical Section (2017–2021) and he was chair of the Engineering Professionalism Committee (2021–2022). Babatunde is a member of the Methane Emissions Management Technical Section and works with its current Program Chair. He holds a diploma in data processing (computer science), BSc and MSc degrees from the University of Lagos, Akoka-Nigeria, and a PhD in environmental science from the University of Birmingham, UK.
Katharine MoncadaKatharine Moncada is a production engineer currently working as a reservoir champion at SLB. She supports multiphase flowmeter implementations as permanent installations and for flowback operations. Her work has included production data analysis to optimize well performance for unconventional resources in the U.S. and started her career with Schlumberger in 2005 as part of the Well Performance Team supporting Gulf of Mexico operations. Prior to SLB, Ms. Moncada worked as a field engineer, running production logging tools and pressure memory gauges for a service company in Colombia. She holds a MS degree in Petroleum Engineering from the University of Oklahoma.