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首页> 外文期刊>Energy Exploration & Exploitation >Economic Exploration Assessment of Hydrocarbon Leakage Across a Fault. I. Charged Sand After Faulting
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Economic Exploration Assessment of Hydrocarbon Leakage Across a Fault. I. Charged Sand After Faulting

机译：断层油气泄漏的经济勘探评估。一，断层带电沙

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摘要

This paper concerns itself with providing economic estimates for hydrocarbon Exploration when a sand is offset by a fault and when the downthrown part of the sand is later charged with hydrocarbons. The fault may leak, so that hydrocarbons can be transferred to the upthrown part of the sand body or may be leaked from the system and so lost. The costs of drilling the upthrown sand are usually less than those to drill the deeper sand. However, it is in general unknown what fraction of the original hydrocarbon charge is reassigned to the upthrown side and what fraction is leaked away. Also unknown is the probability that the fault leaks. The economic assessment is then made up of three possibilities: drill only the downthrown sand; drill only the upthrown sand; or drill both components of the sand. The concern is with estimating the best strategy to follow to maximize the value to be gained from the system. This paper shows how to provide such an economic assessment. The more complex problem of hydrocarbons already in the sand before the fault occurs will be taken up in the next paper, together with uncertainties and their influence on assessed worth, when none of the potential gains, costs, leak probability, or the chance the sands were hydrocarbon charged, are known with any degree of precision. The dominance of each to the uncertainty of economic worth will also be considered.
机译：当砂被断层抵消时，砂的下倾部分后来充有烃时，本文涉及为油气勘探提供经济估算。断层可能会泄漏，因此碳氢化合物可能会转移到砂体的上升部分，或者可能从系统中泄漏出来，从而损失掉。钻出上升的砂的成本通常比钻深层的砂的成本低。但是，通常不知道将原始烃进料的哪一部分重新分配到上推侧，以及哪一部分泄漏了。故障泄漏的可能性也是未知的。然后，经济评估由三种可能性组成：仅钻入被倾倒的沙子；仅钻出上升的沙子；或钻出沙子的两个组成部分。关注的是估计遵循最佳策略以最大化从系统中获得的价值。本文展示了如何提供这样的经济评估。当潜在收益，成本，泄漏概率或砂子的机会都不存在时，断层发生之前砂子中已经存在的更复杂的碳氢化合物问题，以及不确定性及其对评估价值的影响，将在下一篇论文中讨论。充有碳氢化合物，其精确度是已知的。还将考虑每个因素对经济价值不确定性的控制。

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  • 来源
    《Energy Exploration & Exploitation》 |2004年第5期|p.315-324|共10页
  • 作者

    Ian Lerche;

  • 作者单位

    Institut fuer Geophysik und Geologie Universitaet Leipzig Talstrasse 35 04103 Leipzig Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 能源与动力工程;
  • 关键词

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