Scale Build-Up Prediction of FeS and FeCO<sub>3</sub>in Gas Production Pipes

Santoso, Ryan; Rahmawati, Silvya Dewi; Gadesa, A.; Wahyuningrum, Deana

doi:10.1088/1742-6596/877/1/012029

Cited by 4 publications

(1 citation statement)

References 14 publications

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“…FeCO 3 has attracted considerable attention as this mineral is related to CO 2 capture, the carbon cycle of the earth, natural protection against corrosion, and much more. − …”

Section: Introductionmentioning

confidence: 99%

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

2023

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FeCO3 is present as scales in process equipment, corrosion products, geological systems, and carbon storage. It is therefore crucial to investigate the properties of FeCO3 to understand scaling in all these systems. However, FeCO3 is not commercially available, and when used in the lab it is either obtained through extraction of geological formations or synthesized in-house. Geologically formed FeCO3 contains multiple impurities, which will affect its overall properties, and the synthesized product is highly sensitive to either oxidation or the synthesis pathways. This work explores the parameter space of a synthesis route routinely and pathways for FeCO3. We characterized the structure of FeCO3 using X-ray powder diffraction and its thermal properties with thermogravimetric analysis and scanning electron microscopy. We show how synthesis parameters influence either the macroscopic or microscopic properties of the synthesized product. Our study serves as a guideline for future research regarding what parameters to choose when synthesizing FeCO3 and what product can be obtained. We herein present a novel fundamental understanding of FeCO3.

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“…FeCO 3 has attracted considerable attention as this mineral is related to CO 2 capture, the carbon cycle of the earth, natural protection against corrosion, and much more. − …”

Section: Introductionmentioning

confidence: 99%

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

2023

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Generation of methane gas hydrate equilibrium curve for the thermodynamic gas hydrate inhibitor propylene glycol

Deka

Barifcani

Helal

et al. 2021

Journal of Petroleum Science and Engineering

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Data-Driven Multi-Asset Optimisation Under Uncertainty: A Case Study Using the New Indonesia's Fiscal Policy

Sajjad

Jaenudin

Chandra

et al. 2021

Day 1 Tue, March 23, 2021

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Optimizing multiple assets under uncertain techno-economic conditions and tight government policies is challenging. Operator needs to establish flexible Plan of Development (POD)s and put priority in developing multiple fields. The complexity of production and the profit margin should be simultaneously evaluated. In this work, we present a new workflow to perform such a rigorous optimization under uncertainty using the case study of PHE ONWJ, Indonesia. We begin the workflow by identifying the uncertain parameters and their prior distributions. We classify the parameters into three main groups: operations-related (geological complexity, reserves, current recovery, surface facilities, and technologies), company-policies-related (future exploration plan, margin of profit, and oil/gas price), and government-related (taxes, incentives, and fiscal policies). A unique indexing technique is developed to allow numerical quantification and adapt with dynamic input. We then start the optimization process by constructing time-dependent surrogate model through training with Monte Carlo sampling. We then perform optimization under uncertainty with multiple scenarios. The objective function is the overall Net Present Value (NPV) obtained by developing multiple fields. This work emphasizes the importance of the use of time-dependent surrogate approach to account risk in the optimization process. The approach revises the prior distribution with narrow-variance distribution to make reliable decision. The Global Sensitivity Analysis (GSA) with Sobol decomposition on the posterior distribution and surrogate provides parameters’ ranking and list of heavy hitters. The first output from this workflow is the narrow-variance posterior distribution. This result helps to locate the sweet spots. By analyzing them, operator can address specific sectors, which are critical to the NPV. PHE ONWJ, as the biggest operator in Indonesia, has geologically scattered assets, therefore, this first output is essential. The second output is the list of heavy hitters from GSA. This list is a tool to cluster promising fields for future development and prioritize their development based on the impact towards NPV. Since all risks are carried by the operator under the current Gross Split Contract, this result is advantageous for decision-making process. We introduce a new approach to perform time-dependent, multi-asset optimization under uncertainty. This new workflow is impactful for operators to create robust decision after considering the associated risks.

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Scale Build-Up Prediction of FeS and FeCO₃in Gas Production Pipes

Cited by 4 publications

References 14 publications

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

Generation of methane gas hydrate equilibrium curve for the thermodynamic gas hydrate inhibitor propylene glycol

Data-Driven Multi-Asset Optimisation Under Uncertainty: A Case Study Using the New Indonesia's Fiscal Policy

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Scale Build-Up Prediction of FeS and FeCO3in Gas Production Pipes

Cited by 4 publications

References 14 publications

FeCO3 Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

FeCO3 Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

Generation of methane gas hydrate equilibrium curve for the thermodynamic gas hydrate inhibitor propylene glycol

Data-Driven Multi-Asset Optimisation Under Uncertainty: A Case Study Using the New Indonesia's Fiscal Policy

Contact Info

Product

Resources

About

Scale Build-Up Prediction of FeS and FeCO₃in Gas Production Pipes

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure

FeCO₃ Synthesis Pathways: The Influence of Temperature, Duration, and Pressure