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An evaluation of the U.S. Geological Survey World Petroleum Assessment 2000

机译:对《美国地质调查局2000年世界石油评估》的评估

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This study compares the additions to conventional crude oil and natural gas reserves as reported from January 1996 to December 2003 with the estimated undiscovered and reserve-growth volumes assessed in the U.S. Geological Survey World Petroleum Assessment 2000, which used data current through 1995. Approximately 28% of the estimated additions to oil reserves by reserve growth and approximately 11% of the estimated undiscovered oil volumes were realized in the 8 yr since the assessment (27% of the time frame for the assessment). Slightly more than half of the estimated additions to gas reserves by reserve growth and approximately 10% of the estimated undiscovered gas volumes were realized. Between 1995 and 2003, growth of oil reserves in previously discovered fields exceeded new-field discoveries as a source of global additions to reserves of conventional oil by a ratio of 3:1. The greatest amount of reserve growth for crude oil occurred in the Middle East and North Africa, whereas the greatest contribution from new-field discoveries occurred in sub-Saharan Africa. The greatest amount of reserve growth for natural gas occurred in the Middle East and North Africa, whereas the greatest contribution from new-field discoveries occurred in the Asia Pacific region. On an energy-equivalent basis, volumes of new gas-field discoveries exceeded new oil-field discoveries.
机译:这项研究将1996年1月至2003年12月的常规原油和天然气储量的增加量与未发现的储量和储量增长量进行了比较。 >在《美国地质调查局2000年世界石油评估 》中进行了评估,该评估使用的是1995年以前的数据。按储量增长估算的石油储量增加量的大约28% < / sup>,并且自评估以来的8年内实现了大约11%的未发现石油估计量 (评估时间的27%)。在1995年之间,通过储量增长而对天然气储量的估计 新增量中,略有一半以上,约占未发现天然气量的 10%。 1995年之间和2003年,以前发现的 油田的石油储量增长超过了新油田的发现,成为全球常规石油储量增加量的来源 3:1。原油 的最大储量增长发生在中东和北非,而新油田发现的最大 的贡献发生在撒哈拉以南 < / sup>非洲。天然气的最大储量增长发生在中东和北非,而新油田发现的最大储量贡献发生在亚洲。 sup>太平洋地区。在能量当量的基础上,新的 气田发现量超过了新的油田发现。

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  • 来源
    《AAPG Bulletin》 |2005年第8期|00001033-00001042|共10页
  • 作者单位

    U.S. Geological Survey, Box 25046 Denver Federal Center, Mail Stop 939, Denver, Colorado 80225tklett@usgs.gov;

    U.S. Geological Survey, 345 Middlefield Road, Mail Stop 969, Menlo Park, California 94025-2502gautier@usgs.gov;

    U.S. Geological Survey, Box 25046 Denver Federal Center, Mail Stop 939, Denver, Colorado 80225ahlbrandt@usgs.gov;

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