Multi-operational planning of shale gas pad development

Ondeck, Abigail; Drouven, Markus G.; Blandino, Nathan; Grossmann, Ignacio E.

doi:10.1016/j.compchemeng.2019.03.035

Cited by 21 publications

(25 citation statements)

References 23 publications

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“…Yang et al propose an MILP model that addresses source water acquisition, waste water production, reuse and recycle, and subsequent transportation, storage, and disposal in shale gas production. Ondeck et al consider the scheduling of the four operations in a single wellpad.…”

Section: Related Workmentioning

confidence: 99%

“…This paper follows the work of Ondeck et al and investigates whether price uncertainty affects the optimal strategy of single pad development. Stochastic programming is used as the mathematical framework to model decision‐making under uncertainty.…”

Section: Introductionmentioning

confidence: 99%

“…A common problem that arises in the shale gas industry is the operation of a single shale gas wellpad as it affects the whole natural gas supply chain. Recently, Ondeck et al proposed an mixed‐integer linear programming (MILP) model that considers the economical development of a shale gas pad and the optimal production of shale gas.…”

Section: Introductionmentioning

confidence: 99%

“…Ondeck et al point out that traditionally, upstream operators complete one operation for all the wells in a single wellpad before moving to the next operation to reduce the mobilization of their crew and equipment. However, there are several drawbacks for this type of operating strategy.…”

Section: Introductionmentioning

confidence: 99%

“…From our analysis on the conventional strategy of single pad operations, there is a trade‐off between avoiding the mobilization costs, and turning the well in line earlier to maximize the production NPV. In the paper by Ondeck et al, the authors perform a sensitivity analysis by varying the mobilization costs. Considering mobilization costs tends to affect the schedule of the single pad development.…”

Section: Introductionmentioning

confidence: 99%

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Shale gas pad development planning under price uncertainty

Eason²,

Drouven³

et al. 2020

AIChE Journal

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In this article, we study shale gas pad development under natural gas price uncertainty. We optimize the sequence of operations, gas curtailment, and storage on a single pad to maximize the net present value. The optimization problem is formulated as an mixed-integer linear programming model, which is similar to the one proposed by Ondeck et al. We investigate how natural gas price uncertainty affects the operation strategy in the pad development. Both two-stage and multistage stochastic programming are used as the mathematical framework to hedge against uncertainty. Our case study shows that there is value of using stochastic programming when the price variance is high. However, when the variance of the price is low, solving the stochastic programming problems does not create additional value compared with solving the deterministic problem. K E Y W O R D S pad development, price uncertainty, shale gas, stochastic programming

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Section: Related Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Shale gas pad development planning under price uncertainty

Eason²,

Drouven³

et al. 2020

AIChE Journal

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Economic and environmental strategic water management in the shale gas industry: Application of cooperative game theory

et al. 2019

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In this work, a mixed-integer linear programming (MILP) model is developed to address optimal shale gas-water management strategies among shale gas companies that operate relatively close. The objective is to compute a distribution of water-related costs and profit among shale companies to achieve a stable agreement on cooperation among them that allows increasing total benefits and reducing total costs and environmental impacts. We apply different solution methods based on cooperative game theory: The Core, the Dual Core, the Shapley value, and the minmax Core. We solved different case studies including a large problem involving four companies and 207 wells. In this example, individual cost distribution (storage cost, freshwater withdrawal cost, transportation cost, and treatment cost) assigned to each player is included. The results show that companies that adopt cooperation strategies improve their profits and enhance the sustainability of their operations through the increase in recycled water.

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Optimal design of water pipeline networks for the development of shale gas resources

Cafaro

Grossmann

2020

AIChE Journal

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One of the major concerns in shale gas production is water management. Millions of gallons of water are injected to fracture each well and a significant amount returns to the surface as flowback. Operators are increasingly reusing flowback to reduce freshwater consumption and impaired water disposal. Because of this, networks of water pipelines in U.S. shales are growing fast. This work is aimed at addressing the optimal planning of shale gas operations in multiple wellpads together with the design of water distribution networks (WDN). We propose a multiperiod mixed‐integer linear programming model to solve the challenging stay‐or‐mobilize trade‐off. The proposed model permits to schedule operations at a detailed level, accounting for the WDN required to maximize the reuse of impaired water. We present illustrative examples involving up to 20 pads, 4 frac‐crews, and 100 wells developed over 1 year, showing that the design of the WDN can be effectively optimized.

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Multi-operational planning of shale gas pad development

Cited by 21 publications

References 23 publications

Shale gas pad development planning under price uncertainty

Shale gas pad development planning under price uncertainty

Economic and environmental strategic water management in the shale gas industry: Application of cooperative game theory

Optimal design of water pipeline networks for the development of shale gas resources

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