鄂尔多斯盆地彭阳地区长3储集层气测录井解释评价方法研究与应用

doi:10.3969/j.issn.1672-9803.2021.01.015

摘要/Abstract

摘要： 鄂尔多斯盆地彭阳地区三叠系长3储集层是长庆油田高产层之一,具有储集层埋深较浅、连续性差、非均质性强、油藏类型复杂、流体性质识别困难等特点。在收集整理录井、试油等大量资料的基础上,研究各项气测录井参数与测试结论的相关性,深入分析参数响应特征,优选敏感参数,重新建立了适用于彭阳地区长3储集层的全烃T_g值法、气测组分特征法、T_g与GR交会图法和W_h与B_h图板法4种气测录井解释评价方法。目前,新方法已在彭阳地区长3油藏15口井综合应用,解释符合率达75%,为解决长3储集层流体性质识别难题和长3油藏的发现与评价提供了技术支持。

关键词: 彭阳地区, 长3储集层, 气测录井, 录井解释评价, 参数优选

Abstract: The Triassic Chang 3 reservoir in Pengyang area of Ordos Basin is one of the high-productivity intervals of Changqing Oilfield. It has the characteristics of shallow burial depth, poor continuity, strong heterogeneity, complex types of oil pool, and difficult to identify the fluid properties.On the basis of collecting and sorting a large amount of data of mud logging and oil testing, the paper studies the correlation between various gas logging parameters and test conclusions, makes an in depth analysis of parameter response characteristics, optimizes sensitive parameters, and rebuilds four gas logging interpretation and evaluation methods, including total hydrocarbon T_g value method, gas logging component characteristic method, T_g-GR cross-plot method, W_h-B_h chart board method,which are suitable for Chang 3 reservoir in Pengyang area. At present, the new methods have been applied to 15 wells in Chang 3 oil pool of Pengyang area, and the interpretation coincidence rate is 75%, which solves the problem of identifying the fluid properties of Chang 3 reservoir and provides technical support for the accurate discovery and evaluation of Chang 3 oil pool.

Key words: Pengyang area, Chang 3 reservoir, gas logging, mud logging interpretation and evaluation, parameter optimization

中图分类号:

TE132.1

宋明会. 鄂尔多斯盆地彭阳地区长3储集层气测录井解释评价方法研究与应用[J]. 录井工程, 2021, 32(1): 80-85.

SONG Minghui. Study and application of gas logging interpretation and evaluation method for Chang 3 reservoir in Pengyang area of Ordos Basin[J]. Mud Logging Engineering, 2021, 32(1): 80-85.

参考文献

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