霍多莫尔油田地层压力预测技术的研究及应用
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- 英文论文题名：Research and application of formation pressure prediction technology in Huoduomoer Oilfield
- 论文作者：郭金荣 ; 卢志罡 ; 黄光星 ; 孙成艳
- 英文论文作者：Guo Jinrong ; Lu Zhigang ; Huang Guangxing
- 年：2017
- 作者机构：大庆油田有限责任公司采油工程研究院;
- 论文关键词：地层压力 ; 预测模型 ; 岩石力学 ; 钻前预测 ; 预测精度
- 英文论文关键词：formation pressure ; predictive model ; rock mechanics ; pre-drilling prediction ; predicting precision
- 会议召开时间：2017-06-01
- 会议录名称：《采油工程文集》2017年第2辑
- 英文会议录名称：Oil Production Engineering
- 语种：中文
- 分类号：TE271
- 学会代码：DQGY
- 学会名称：大庆油田有限责任公司采油工程研究院
- 页数：5
- 文件大小：840k
- 原文格式：D
摘要
针对霍多莫尔油田构造和岩性发育复杂、油藏类型为断层—构造油藏、油水界面不统一等影响地层压力预测精准度的地质特点,以及原有的预测方法达到的精度已不能为优化设计提供保障的现状,开展了霍多莫尔油田地层压力预测技术的研究及应用。从岩石力学角度出发,利用地层压力计算一般理论,建立了地区适应性较强的压力预测模型,利用测井、完井数据进行较精准的钻前压力预测。在霍多莫尔油田选取3口新钻井,用预测软件进行了钻前预测,实测值均在预测值范围内,预测精度提高,吻合程度较好。从而确保了合理设计井身结构和钻井液密度,为安全、高效钻井提供了可靠保障。
The geological characteristics of Huoduomoer Oilfield is featured with complex structure and lithology,the faulted structural reservoir, and the inconsistent oil water contact, etc. which affects the accuracy of formation pressure prediction. The accuracy of the original prediction method could not provide the guarantee for optimal design, therefore the research and application of formation pressure prediction technology in Huoduomoer Oilfield were carried out. A predictive pressure model with strong adaptability for this region is established by using the common theory of formation pressure calculation in terms of rock mechanics, and the accurate pre-drilling formation pressure prediction is realized by means of logging and completion data. The three new wells drilled in Huoduomoer Oilfield were selected to use the prediction software, then the testing data were in the range of prediction data, which indicated that the prediction accuracy was improved, with high degree of fitness. The proper design of casing program, mud density was ensured, so as to provide reliable guarantee for drilling wells safely and efficiently.
The geological characteristics of Huoduomoer Oilfield is featured with complex structure and lithology,the faulted structural reservoir, and the inconsistent oil water contact, etc. which affects the accuracy of formation pressure prediction. The accuracy of the original prediction method could not provide the guarantee for optimal design, therefore the research and application of formation pressure prediction technology in Huoduomoer Oilfield were carried out. A predictive pressure model with strong adaptability for this region is established by using the common theory of formation pressure calculation in terms of rock mechanics, and the accurate pre-drilling formation pressure prediction is realized by means of logging and completion data. The three new wells drilled in Huoduomoer Oilfield were selected to use the prediction software, then the testing data were in the range of prediction data, which indicated that the prediction accuracy was improved, with high degree of fitness. The proper design of casing program, mud density was ensured, so as to provide reliable guarantee for drilling wells safely and efficiently.
引文
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[4]Eaton B A,Eaton T L.Fracture gradient prediction for the new generation[J].World Oil,1997,2(18):10.
[5]陈平.钻井与完井工程[M].北京:石油工业出版社,2005:46-48.
[6]郭永峰,金晓剑.地层孔隙压力的精确预测及其应用[J].中国海上油气工程,2004,16(1):36-42.
[7]楼一珊,张学亮,王语英,等.地层坍塌压力预测技术在钟市地区的应用[J].石油钻探技术,1999,27(3):12-13.
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