Formulations for automatic optimization of decommissioning timing in offshore oil and gas field development planning

Lei, Guowen; Stanko, Milan; Silva, Thiago Lima

doi:10.1016/j.compchemeng.2022.107910

Cited by 8 publications

(7 citation statements)

References 24 publications

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“…The decommissioning works are also known to be unique, and currently, there is no universal standard practice to address the decommissioning works [40] fully. According to estimates, the cost of decommissioning wells, platforms, and pipelines in Australian water will be $40.5 billion by 2050 [59]. Decommissioning work for pipelines is relatively cheaper compared to the decommissioning of oil and gas platforms, where it involves the removal of large and complex residues.…”

Section: Potential Economic Impactmentioning

confidence: 99%

An Assessment of Environmental Impact on Offshore Decommissioning of Oil and Gas Pipelines

et al. 2023

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There has been a steady growth in the length of pipelines over the past 45 years, with over 6000 operating platforms extracting oil. Several facilities would reach their operational life, which can no longer be economically viable for their production and will eventually undergo the decommissioning procedure. Almost 3000 petroleum industries will likely be decommissioned worldwide in the next 17 years. By 2030, the total cost of decommissioning globally amounted to about USD 104.5 billion. The choice to decommission the offshore oil and gas sector is considered complicated and crucial as it must evaluate numerous variables such as cost, health and safety, and environmental consequences. This review paper aims to assess the decommissioning activity, specifically on pipelines in the oil and gas industry. The purpose of this study is to understand and evaluate significant environmental impacts associated with decommissioning of oil pipelines and to propose mitigation measures to address the challenges of decommissioning. Waste disposal, a threat to biodiversity and air pollution, is a major environmental concern in decommissioning oil and gas pipelines. Among the decommissioning measures, leave in-situ has the lowest environmental impact while repurposing and recycling, with the application of environmental impact qualitatively and quantitatively by integrating 3D information models, mathematical models embedded in hydrodynamic models look promising for decommissioning.

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Section: Potential Economic Impactmentioning

confidence: 99%

An Assessment of Environmental Impact on Offshore Decommissioning of Oil and Gas Pipelines

et al. 2023

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“…Most major oil and gas industries planned to produce for 20 to 30 years or more (Lei et al, 2022). In general, currently, several oil and gas production facilities are facing the problem of production decreasing, especially in mature production wells (Bakker et al, 2021).…”

Section: Pendahuluanmentioning

confidence: 99%

“…LP consists of 3 (three) basic components, which are decision variables, objectives, and constraints. A mathematical programming formulation has been developed to optimize the production and the model is tested on a real field (Lei et al, 2022). The objective function of linear programming represents the quantity that needs to be maximized, minimized, or set at a certain value.…”

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confidence: 99%

The Optimum Decision of Oil and Gas Production Spreadsheet Modelling

Winarto,

Dinariyana

2023

JMBI UNSRAT

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The optimum revenue of an oil and gas industry is subject to the production volume deliverability and relatively volatile product market price which depends on demand and supply level. Naturally, mature production wells will be dominantly producing water instead of oil and gas, meanwhile, the central processing facilities are having their limited capacity to handle it. This study intends to gain the optimum oil and gas production in mature fields by deciding the opening of well choke valves and considering process facilities limitations as constraints. The model is developed using a simplex LP-based spreadsheet. Three wellhead facilities with a total of forty-seven active producing wells gas, oil, and water data are taken as input parameters. The developed model is validated using the last ten days’ actual production data to identify the error margin consistency, a total of 1,410 data combinations were used. It results in an average error margin of 4.57%-gas and 0.9%-oil. The model could be used as an operator decision reference in opening the well’s choke valve to get the optimum production rate, a minor adjustment might need considering the dynamic process parameter condition. Keywords: optimal production, mature wells, choke valve opening, spreadsheet modeling

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“…Previous work reduces the risk of geological uncertainty and increases the return on the drilling program [ 17 , 18 ]. However, their optimal solution is to maximize the value of the remaining reservoir in the shortest possible time, rather than focusing on the proper sequence of drilling to ensure the target production [ 19 , 20 ] developed a model based on a genetic algorithm and a reservoir simulator for optimal drilling scheduling [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

An optimization model for monthly time-step drilling schedule under planned field production

Ouyang,

Geng,

Zhai

2024

Heliyon

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Formulations for automatic optimization of decommissioning timing in offshore oil and gas field development planning

Cited by 8 publications

References 24 publications

An Assessment of Environmental Impact on Offshore Decommissioning of Oil and Gas Pipelines

An Assessment of Environmental Impact on Offshore Decommissioning of Oil and Gas Pipelines

The Optimum Decision of Oil and Gas Production Spreadsheet Modelling

An optimization model for monthly time-step drilling schedule under planned field production

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