Optimization of hydraulic fracturing wastewater management alternatives: A hybrid multi-objective linear programming model

Production of high volumes of wastewater by hydraulic fracturing operations is a challenging issue in the unconventional gas industry in North America. A scheduling-based solution is required to optimally manage the produced wastewater. This study develops a novel, hybrid, multi-objective linear pro...

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Vydáno v:Journal of cleaner production Ročník 286; s. 124950
Hlavní autoři: Shamloo, Nazila, Bakhtavar, Ezzeddin, Hewage, Kasun, Sadiq, Rehan
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 01.03.2021
Témata:
environmental impact
Goal programming
hybrids
Hydraulic fracturing
injection
linear programming
Multi-objective linear programming
North America
objectives
oil and gas industry
Treatment
volume
wastewater
Wastewater management
wastewater treatment
water
North America
WGP
TDS
Treatment
LP
MILP
HMOLP
Wastewater management
GP
HD
Hydraulic fracturing
Multi-objective linear programming
Goal programming
ISSN:0959-6526, 1879-1786
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Shrnutí:Production of high volumes of wastewater by hydraulic fracturing operations is a challenging issue in the unconventional gas industry in North America. A scheduling-based solution is required to optimally manage the produced wastewater. This study develops a novel, hybrid, multi-objective linear programming model to optimize hydraulic fracturing wastewater management alternatives. Minimizing overall wastewater treatment cost, environmental impacts, and undesirable deviations from different goals were simultaneously considered the main objectives of the system. The model used data from a case example operating for 31 weeks, and it determined the volume of wastewater and treated water over all periods. The results indicated that onsite treatment is the best possible alternative for reuse in subsequent fracking, in those weeks in which all constraints were satisfied. Offsite treatment was the second ranking alternative when the volume of wastewater was higher than the capacity of onsite treatment, and deep well injection was the result when no water was needed for subsequent fracking. A sensitivity analysis was conducted by weighting the objectives to express their importance levels. Compared to other objectives, environmental impact had greater effect on the selection of the optimal alternatives over each period. [Display omitted] •A multi-objective framework was developed based on goal and linear programming.•Objectives were weighted based on different weighting scenarios.•The model can optimally solve hydraulic fracturing wastewater management problems.•The model can be simply updated and applied in water and wastewater management.
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ISSN:0959-6526
1879-1786
DOI:10.1016/j.jclepro.2020.124950