Shale gas pad development planning under price uncertainty

Li, Can; Eason, John P.; Drouven, Markus G.; Grossmann, Ignacio E.

doi:10.1002/aic.16933

Cited by 10 publications

(6 citation statements)

References 23 publications

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“…After that, the unit will be scheduled to resume its service. (7) If the cost of a maintenance task exceeds the total available resource, the maintenance task will be postponed until there is an adequate resource available for the maintenance. Assumptions:…”

Section: Problem Statementmentioning

confidence: 99%

“…Assis et al 6 integrated the management of crude oil supply at the operational level for optimizing maritime inventory routing and crude oil scheduling simultaneously. Li et al 7 developed a mathematical model to optimize the operating sequence and maximize the net present value for shale gas pad development under the uncertainty of natural gas prices.…”

Section: Introductionmentioning

confidence: 99%

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Simultaneous Production and Maintenance Scheduling for Refinery Front-End Process with Considerations of Risk Management and Resource Availability

Wang

2022

Ind. Eng. Chem. Res.

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Effective unit maintenance is critically important for the front-end crude transfer process (FCTP) to ensure production reliability and safe operations in refineries. It should be prioritized based on risk ratings of all maintenance tasks and constrained by the availability of various maintenance resources, such as budget, manpower, equipment, and supplies, as well as having minimal impact on the normal production of refineries. In this paper, a new methodology for the simultaneous production and maintenance scheduling for refinery FCTP systems has been developed. It can generate optimal schedules for both crude movement and unit maintenance plans with considerations of dynamic risk management and resource availability constraints. As such, a new multiobjective and mixed-integer nonlinear programming (M-MINLP) model has been developed to minimize the total FCTP operating cost, as well as to minimize the total risk from all maintenance tasks. The scheduling model can handle multiunit maintenance assignments with optimal determination of when to isolate a unit to perform its maintenance and how to resume its service after maintenance under the satisfaction of all strict constraints for crude storage, blending and movements, unit maintenance requirements, and resource limitations. The efficacy of the development has been demonstrated by multiple large-scale case studies.

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Section: Problem Statementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Simultaneous Production and Maintenance Scheduling for Refinery Front-End Process with Considerations of Risk Management and Resource Availability

Wang

2022

Ind. Eng. Chem. Res.

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“…Therefore, we adopt multistage stochastic programming as the framework to model this problem. According to the analysis of price uncertainty by Li et al, 12 only when the variance of the price uncertainty is high, is there a significant value of the stochastic solution to the model. The price uncertainty is not included in this article.…”

Section: Problem Statementmentioning

confidence: 99%

“…Chebeir et al 11 propose a two-stage stochastic programming model for long-term planning problem of the shale gas supply chain under final products' prices uncertainty. Li et al 12 propose a mixed-integer linear programming (MILP) model to address the shale gas pad development planning problem under natural gas price uncertainty. Both two-stage and multistage stochastic programming are used as the mathematical framework to hedge against the price uncertainty.…”

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confidence: 99%

Shale gas field development planning under production profile uncertainty

Peng

Grossmann

et al. 2021

AIChE Journal

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In shale gas field development, the major endogenous uncertainty comes from the production profile of candidate wells and its realization is dependent on the development decision. In this work, we apply multistage stochastic programming to address the shale gas field development planning problem under production profile uncertainty. Business realities such as budget limit and uncertainty resolution delay are also considered in the proposed model. To solve the multistage stochastic model, a Lagrangean decomposition method and a heuristic method are proposed. Computational results demonstrate the efficiency of the proposed methods on examples that are otherwise intractable. The optimal development strategy from the proposed model is analyzed under different levels of uncertainties. Different cases are further tested to figure out the impact of budget and resolution delay on development decisions.

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“…One of the biggest challenges associated with GTL processes is the high capital costs of these plants 2,3 . Small‐scale GTL processes have the advantages of being less capital intensive, less risk, and with the potential of utilizing gas reserves which previously could not be exploited, that is, associated and stranded gas reserves 4–6 . However, the cost per barrel of these processes still remains high, if conventional technology is employed 7…”

Section: Introductionmentioning

confidence: 99%

Modular gas‐to‐liquids process with membrane steam‐methane reformer and Fischer–Tropsch reactive distillation

2021

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Challenges related to energy and the environment, alongside risks in capital investment decisions have sparked recent interest in process intensification research. Process intensification has been characterized by novel equipment designs that produce dramatic process improvements including reduction in size, waste production, and energy consumption. Given the current pressing environmental and social concerns on the shale gas industry, it is imperative to design and optimize energy systems to produce solutions that are economically efficient, environmentally sustainable, and socially responsible. Toward this goal, the main research challenge is to develop an integrated energy system modeling framework that can systematically generate optimal designs and operational strategies, and comprehensively improve multiple sustainability criteria. This work highlights opportunities to transform gas‐to‐liquids plants to compact, safe, energy‐efficient, and sustainable processes by using intensified units such as membrane reformers for feed handling and reactive distillation to take advantage of reaction heat to drive separation and enhance yield.

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Shale gas pad development planning under price uncertainty

Cited by 10 publications

References 23 publications

Simultaneous Production and Maintenance Scheduling for Refinery Front-End Process with Considerations of Risk Management and Resource Availability

Simultaneous Production and Maintenance Scheduling for Refinery Front-End Process with Considerations of Risk Management and Resource Availability

Shale gas field development planning under production profile uncertainty

Modular gas‐to‐liquids process with membrane steam‐methane reformer and Fischer–Tropsch reactive distillation

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