钻采工艺 | 高德利等:中国煤层气高效开发井型与钻完井技术进展

文摘   2024-07-29 06:30   湖北  

作者|高德利 毕延森 鲜保安

原题|中国煤层气高效开发井型与钻完井技术进展

来源|天然气工业

小编|小油

这是"油气研究前瞻"的第225篇文章

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全文导读



文章开篇即指出全球非常规天然气资源的丰富性,并特别提到煤层气在其中所占的比例。中国拥有庞大的煤层气资源量,但目前的开发程度相对较低,显示出巨大的增长空间和发展潜力。这为读者描绘了一个广阔的开发前景和潜在的市场机会。
文章详细介绍了多分支水平井技术在美国、加拿大、澳大利亚等国家的成功应用,展示了这一技术在提高煤层气产量方面的巨大潜力。特别是对于我国而言,这种技术的应用和本地化改进显得尤为重要。文章中提到的国内外学者和工程技术人员对煤层气水平井钻井与完井技术的研究成果,以及我国在这方面取得的进展,为业界人士提供了宝贵的参考和启示。
在全球“碳达峰、碳中和”战略目标的大背景下,文章强调了我国能源低碳绿色转型的紧迫性。煤层气作为一种清洁能源,其高效开发对于减少煤炭消耗、降低碳排放具有重要意义。因此,关注和投资于煤层气开发技术的研究与应用,不仅符合国家能源战略,也有助于推动环境保护和可持续发展。
文章最后部分提出了我国煤层气开发面临的技术难点和挑战,如低地层压力、低渗透率等问题,以及复杂地质构造带来的钻井风险。同时,也指出了水平井钻井与完井技术在我国煤层气开发中的主流地位和未来的发展趋势,包括“井工厂”模式的转变、清洁可降解钻井液的应用等创新点。这些内容为读者指明了煤层气开发领域的前沿方向和研究重点。
综上所述,这篇学术文章不仅具有很高的学术价值,对于从事煤层气研究的科研人员来说是一个宝贵的信息源;同时,它也具有重要的实际应用价值,对于相关企业和投资者而言,了解这些最新的研究成果和技术进展将有助于把握行业动态,指导实际生产和投资决策。因此,强烈推荐用户阅读这篇文章。


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HIGHLIGHT图片


图1 美国CDX公司多分支水平井示意图

图2 澳大利亚Bowen盆地SIS水平井结构示意图

图3 对接井多分支水平井结构模型图

图4 单井多分支水平井结构模型图

图5 U型水平井组结构示意图

图6 不同结构L型水平井模型图

图7 煤层气水平井充气欠平衡钻井模式示意图

图8 煤层气U型井塑料筛管完井示意图

图9 煤层气水平井双管柱完井系统示意图

图1 0 潘庄区块煤层气水平井双管柱筛管完井水平井生产曲线图

图1 1 地下“井工厂”与深地煤矿绿色开发模式示意图


免责声明:本文仅用于学术交流和传播,不构成投资建议

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