（石油发现综合指数）
before the judgment biased positioning
油气藏地质及开发工程国家重点实验室西南石油大学
Key Laboratory of Reservoir Geology and Development Engineering
southwest petroleum university
阿拉伯石油输出国组织
OAPEC
automatic single-row harvester
Arab OPEC
Arab Organization of Petroleum Exporting Countries
Organization of Arab Petroleun Exporting Countries
阿拉斯加石油和可燃气经营商协会
Alaska Oil and Gas Association