Development of Marginal/Mature Oil Fields: A Case Study of the Sinclair Field

Resnyanskiy, P.; Babadagli, Tayfun

doi:10.2118/134227-pa

Cited by 2 publications

(1 citation statement)

References 22 publications

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“…The selection of an EOR process for a given field can be made based on the reservoir characteristics [1][2][3][4][5]. However, the process performance of a particular design and the costs associated with it should be estimated before a decision can be made to invest large amount of money to conduct such process in the field [6,7]. Several methods are used to estimate the process performance.…”

Section: Introductionmentioning

confidence: 99%

The Potential of a Surfactant/Polymer Flood in a Middle Eastern Reservoir

2012

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An integrated full-field reservoir simulation study has been performed to determine the reservoir management and production strategies in a mature sandstone reservoir. The reservoir is a candidate for an enhanced oil recovery process or otherwise subject to abandonment. Based on its charateristics, the reservoir was found to be most suited for a surfactant/polymer (SP) flood. The study started with a large data gathering and the building of a full-field three-dimensional geological model. Subsequently, a full field simulation model was built and used to history match the water flood. The history match of the water flood emphasizes the areas with remaining high oil saturations, establishes the initial condition of the reservoir for an SP flood, and generates a forecast of reserves for continued water flood operations. A sector model was constructed from the full field model and then used to study different design parameters to maximize the project profitability from the SP flood. An economic model, based on the estimated recovery, residual oil in-place, oil price, and operating costs, has been implemented in order to optimize the project profitability. The study resulted in the selection of surfactant and polymer concentrations and slug size that yielded the best economic returns when applied in this reservoir. The study shows that, in today's oil prices, surfactant/polymer flood when applied in this reservoir has increased the ultimate oil recovery and provide a significant financial returns.

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Section: Introductionmentioning

confidence: 99%

The Potential of a Surfactant/Polymer Flood in a Middle Eastern Reservoir

2012

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Review of Marginal Oil Resources in Highly Depleted Reservoirs

Jun¹,

Meng

Sun

et al. 2022

Processes

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The term “marginal oil resource” refers to an oil reservoir that has hydrocarbon resource preservation but cannot meet the criteria of resources under the U.S Securities and Exchange Commission (SEC) standards. When oilfields step into their late life, most of their economic petroleum reserves have been well developed, and their focuses need to be switched to their intact marginal resources. In this paper, reservoir characteristics and key petrophysical properties of marginal oil resources are introduced to classify marginal oil resources into four types for identifying potential development opportunities. Primary recovery and its following development strategy are applied to fully utilizing their economic returns. Waterflooding, low salinity waterflooding (LSW) and enhanced oil recovery processes are reviewed to illustrate its potential uplift on oil production and application challenges such as higher clay content in marginal resources than in commercial reservoirs. An oilfield is presented as a case study to demonstrate the classification of marginal resources and illustrate successful economic development including learnings and challenges. This paper highlights the development potential of marginal resources and proposes a clear guidance for policy makers on how to tailor a development strategy supporting their economic development. This review could increase certainty on forecasting performance of marginal resources.

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Development of Marginal/Mature Oil Fields: A Case Study of the Sinclair Field

Cited by 2 publications

References 22 publications

The Potential of a Surfactant/Polymer Flood in a Middle Eastern Reservoir

The Potential of a Surfactant/Polymer Flood in a Middle Eastern Reservoir

Review of Marginal Oil Resources in Highly Depleted Reservoirs

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