Synergistic Phased Development: Integrating Sour Gas Production and CO2-EOR for Enhanced Recovery in Carbonate Reservoir
高CO2ガス生産とCO2-EORの統合による炭酸塩岩貯留層の増進回収：相乗的段階的開発計画 (AI 翻訳)
S. Kamal, R. Nirwana, M. Farhan, S. Al-Baker, D. Irawan, A. Yasutra
🤖 gxceed AI 要約
日本語
1976年に発見されたAP構造は高濃度CO2を含むガス貯留層と深部油層の開発機会を提供する。本研究は、CO2を即時回収・圧入して油層の増進回収（EOR）を行う統合的段階的開発計画を提案し、組成シミュレーションで評価した。結果、CO2-EORにより原油回収率が25%から38%に向上し、約0.95TSCFのCO2を貯留可能で、経済性も実証された。
English
This study proposes a phased development plan integrating sour gas production (45 mol% CO2) with CO2-EOR in a carbonate reservoir. Using compositional simulation, it shows incremental oil recovery from 25% to 38% and storage of 0.95 TSCF CO2, demonstrating economic viability and carbon footprint reduction.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
本論文はCO2-EOR技術の実証ケースであり、日本のCCUS政策（経産省のCCS/CCUSプロジェクト）や炭素貯留戦略にとって参考となる。ただし、日本の地質条件とは異なるため直接応用は難しいが、技術的フレームワークは応用可能。
In the global GX context
This paper provides a practical case study of CO2-EOR integration with sour gas processing, relevant to global CCUS deployment and energy transition strategies. It demonstrates how CO2 liability can be turned into an asset, supporting the business case for CCUS in oil and gas fields.
👥 読者別の含意
🔬研究者:Provides a simulation-based evaluation of an integrated CCUS-EOR scheme with pressure constraints, valuable for reservoir engineering studies.
🏢実務担当者:Offers a phased development approach that reduces carbon footprint while improving oil recovery, applicable to high-CO2 gas field operators.
🏛政策担当者:Highlights the economic viability of CCUS in hydrocarbon production, supporting policy incentives for carbon utilization.
📄 Abstract（原文）
The AP structure, discovered in 1976, presents a significant development opportunity with substantial oil and gas resources. However, the gas reservoir contains a high concentration of CO2 (averaging 45 mol%), posing a major challenge for surface processing and commercialization while simultaneously offering a strategic utilization opportunity. This study proposes and rigorously evaluates an integrated, phased development plan to maximize hydrocarbon recovery from both the high-CO2 gas reservoir and the deeper oil carbonate reservoir. The core of this strategy is the immediate capture and reinjection of the produced CO2 from the sour gas stream into the oil reservoir for a Carbon Capture, Utilization, and Storage (CCUS) and Enhanced Oil Recovery (EOR) program. The oil reservoir's response to CO2 flooding was evaluated using compositional simulation with a commercial simulator. A conceptual phased development model, constrained by a maximum injection pressure of 4,500 psia (to prevent fracturing), was constructed to analyze the dynamic synergies between sour gas processing and the CO2-EOR program. The study investigates the incremental oil recovery, the long-term CO2 storage potential, and the integrated economic viability. The integrated approach demonstrates a viable pathway to unlock the full potential of the AP field. By repurposing the produced CO2 as a valuable commodity for EOR, the plan significantly enhances project economics—transforming a processing liability into an asset. The CO2-EOR program, even under pressure constraints (Case 2), is projected to boost ultimate oil recovery from a 25% base case to 38%, delivering an incremental recovery factor of 13%. Furthermore, this methodology establishes a sustainable framework that substantially reduces the project's overall carbon footprint by injecting approximately 0.95 TSCF of CO2 into the depleted oil reservoir, demonstrating a practical, financially attractive application of CCUS for challenging hydrocarbon assets.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.2118/230840-msfirst seen 2026-05-06 00:02:05
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