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密切值法在煤层气井井型优选中的应用研究

杨刚 汪志明 孙波 陈添

杨刚, 汪志明, 孙波, 陈添. 密切值法在煤层气井井型优选中的应用研究[J]. 石油钻探技术, 2013, 41(2): 49-53. doi: 10.3969/j.issn.1001-0890.2013.02.010
引用本文: 杨刚, 汪志明, 孙波, 陈添. 密切值法在煤层气井井型优选中的应用研究[J]. 石油钻探技术, 2013, 41(2): 49-53. doi: 10.3969/j.issn.1001-0890.2013.02.010
Yang Gang, Wang Zhiming, Sun Bo, Chen Tian. Optimization of Coalbed Methane Well Type Based on Osculating Value Method[J]. Petroleum Drilling Techniques, 2013, 41(2): 49-53. doi: 10.3969/j.issn.1001-0890.2013.02.010
Citation: Yang Gang, Wang Zhiming, Sun Bo, Chen Tian. Optimization of Coalbed Methane Well Type Based on Osculating Value Method[J]. Petroleum Drilling Techniques, 2013, 41(2): 49-53. doi: 10.3969/j.issn.1001-0890.2013.02.010

密切值法在煤层气井井型优选中的应用研究

doi: 10.3969/j.issn.1001-0890.2013.02.010
详细信息
    作者简介:

    杨刚(1986-),男,山东青州人,2009年毕业于中国石油大学(华东)石油工程专业,油气井工程专业在读博士研究生,主要从事煤层气开发与完井工程方面的研究。联系方式(010)89734958,yanggang7193@163.com。

  • 中图分类号: TE32+4

Optimization of Coalbed Methane Well Type Based on Osculating Value Method

  • 摘要: 针对目前常用的多目标决策方法多存在缺点的现状,进行了密切值法在煤层气井井型优选中的应用研究。对国内外煤层气井常用的射孔压裂直井、U形水平井、V形水平井和羽状水平井4种井型,以数值模拟为手段,利用Eclipse软件进行了产能预测,并在此基础上进行了经济评价,然后综合考虑累计产气量、净现值、投资回收期、内部收益率和钻井风险系数等5项评价指标,应用密切值法优选了延川南区块煤层气井井型。产能预测和经济评价结果表明,该区块羽状水平井优势明显,15年累计产气量达5.058×108 m3,高于其他井型;净现值1.21亿元,是其他井型的5~11倍;投资回收期3.96年,约为其他井型的1/3;内部收益率0.28,约为其他井型的2倍。据此进行密切值法评价,结果显示该区块4种井型方案从优到劣的排序为羽状水平井、U形水平井、射孔压裂直井和V形水平井。

     

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出版历程
  • 收稿日期:  2012-07-26
  • 修回日期:  2013-01-29
  • 刊出日期:  2013-04-19

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