本研究以西方石油公司（Occidental Petroleum, Oxy）為個案，探討其在碳捕捉與封存（Carbon Capture and Storage, CCS）領域的市場布局與競爭優勢。鑒於氣候變遷壓力日益加劇，CCS，特別是直接空氣捕捉（Direct Air Capture, DAC）技術，已被視為實現淨零碳排目標之關鍵工具。透過文獻整合與多元策略分析工具，發現該公司在技術創新、資源整合與政策對接等方面展現出領先地位。
其率先部署商轉級 DAC 設施，並透過收購核心技術企業及與國際客戶簽訂碳去除合約，有效建立起品牌信任與技術門檻，對於分散油氣循環風險與推動低碳轉型具積極意義，儘管 CCS 發展仍面臨高成本與制度不確定性等挑戰，相關先行策略已初步形塑經濟護城河，展現轉化為長期競爭優勢的潛力。從投資觀點來看，隨著 ESG 投資興起與碳市場制度化發展加速，企業在碳管理領域的佈局將可能成為未來碳約束時代的重要成長引擎。本研究亦提出可延伸之研究方向，包括跨國比較、財務績效分析與碳市場互動模擬，以深化對該產業轉型之理解。

This study adopts a case study approach to examine Occidental Petroleum (Oxy) and its market positioning and competitive advantages in the field of Carbon Capture and Storage (CCS). Amid intensifying pressure from climate change, CCS—particularly Direct Air Capture (DAC) technology—has emerged as a critical tool in achieving net-zero carbon emissions. By integrating relevant literature and applying various strategic analysis tools, this research finds that the company demonstrates a leading position in technological innovation, resource integration, and policy alignment.
The firm has been an early mover in deploying commercial-scale DAC facilities, acquiring core technology providers, and signing carbon removal agreements with international clients—actions that have helped build brand trust and technological barriers. These moves have proven instrumental in mitigating oil and gas cycle risks while advancing low-carbon transformation. Although the CCS sector still faces challenges such as high costs and regulatory uncertainty, the company’s first-mover strategies have begun to form an economic moat, suggesting long-term competitive advantages. From an investor’s perspective, as ESG investing gains momentum and carbon markets become increasingly institutionalized, strategic positioning in carbon management may serve as a key growth driver in a carbon-constrained future. This study also proposes future research directions, including cross-national comparisons, financial performance assessments, and simulations of carbon market interactions to deepen understanding of the industry's transition dynamics.

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