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斜井层位标定技术及其应用

Deviated well horizon calibration technology and its application

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【作者】 张永华李桂林

【Author】 Zhang Yonghua et al. (Geological Survey Division,Henan Oilfield,Nanyang 473132)

【机构】 河南油田地质调查处!南阳473132

【摘要】 随着油田勘探开发的深入,对许多岩性、裂缝性、地层不整合、低渗透性及高陡构造等特殊圈闭类型的油气藏的勘探开发,已广泛采用斜井技术,斜井层位标定技术是储层研究和油藏描述中的关键技术之一。本文从斜井轨迹方程入手,论述了斜井的层位标定技术,介绍了空间层位标定和虚拟井层位标定的两种方法原理,并以斜井测井信息为纽带,建立起标志层和主力油层与地震剖面上反射同相轴的对应关系。通过实际应用具有较好的实用性。

【Abstract】 The deviated well technology has found extensive application in the exploration and devel-opment of special-trap type oil and gas reservoirs such as lithologic, fractured, stratigraphic unconformi-ty, low permeability, and high-dip structure traps. The horizon calibration technique of deviated wells is one of key techniques for reservoir characterization. In this paper we start with the deviated well trajec-tory equation, discuss the technique, and introduce the principles for both space and virtual well horizon calibrations. Taking the deviated well log information as a link, we then construct the corresponding re-lation between the seismic reflection events and the marker layers or the main oil layers. Actual applica-tion results prove the practicality of the technique.

  • 【文献出处】 石油物探 ,GEOPHYSICAL PROSPECTING FOR PETROLE , 编辑部邮箱 ,1999年01期
  • 【分类号】P618.130.8
  • 【被引频次】8
  • 【下载频次】208
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