垦利地区KL 6-A区块火山岩预测方法及钻遇特征分析
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摘要
火山岩油气藏作为一种特殊类型油气藏,正逐渐引起人们的重视,而火山岩的预测方法和钻井现场的识别手段更成为人们关注的焦点。通过对渤海海域垦利地区区域地质背景、周围地区相邻井、地震反射特征、地震属性等资料的分析,探讨了火山岩的预测方法;在此基础上,结合KL6-A-1井钻遇火山岩的实例分析,分别论述了录井、测井的响应特征,明确了适用于该区块钻遇火山岩的识别手段与方法。应用效果初步表明,预测和识别方法不但适用于渤海海域垦利地区,而且对该海域其他地区的火山岩预测及现场识别具有参考作用。
As a special type of reservoir,the volcanic reservoirs are bringing to people's attention gradually,while prediction and identification methods of volcanic rocks at drilling site are also becoming the focal points which the people pay attention to. Based on making analysis of the regional geologic background,the surrounding offset wells,the seismic reflectance signature,the seismic attributes and the other data of Kenli area in Bohai marine area,the prediction methods of volcanic rocks were discussed. On this basis,combining with the cases study of the encountered volcanic rock from well KL 6-A-1,the response characteristics of mud logging and wireline logging were respectively talked over,the identification means and methods were defined,which are adapt to the encountered volcanic rocks in KL 6-A block. The initial applied results indicated the prediction and identification methods are not only applicable to Kenli area of Bohai marine area,but also have reference functions for predicting and field identifying the volcanic rocks of other areas of Bohai marine area.
As a special type of reservoir,the volcanic reservoirs are bringing to people's attention gradually,while prediction and identification methods of volcanic rocks at drilling site are also becoming the focal points which the people pay attention to. Based on making analysis of the regional geologic background,the surrounding offset wells,the seismic reflectance signature,the seismic attributes and the other data of Kenli area in Bohai marine area,the prediction methods of volcanic rocks were discussed. On this basis,combining with the cases study of the encountered volcanic rock from well KL 6-A-1,the response characteristics of mud logging and wireline logging were respectively talked over,the identification means and methods were defined,which are adapt to the encountered volcanic rocks in KL 6-A block. The initial applied results indicated the prediction and identification methods are not only applicable to Kenli area of Bohai marine area,but also have reference functions for predicting and field identifying the volcanic rocks of other areas of Bohai marine area.
引文
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[2]路波,赵萍.火山岩的分布及其对油气藏的作用[J].特种油气藏,2004,4(2):17-19.
[3]王莉,苗志,王树平,等.松辽盆地南部火山岩识别方法及模式建立[J].天然气工业,2007,9(27):294-296.
[4]高福红,王东坡,张新荣,等.安达断陷深部火山岩识别及其意义[J].新疆石油地质,2003,10(5):400-402.
[5]慕德梁,李成,柳锦云.辽河坳陷牛心坨地区中生界火山岩预测技术与勘探效果[J].石油勘探与开发,2005,6(3):67-69.
[6]南山.钻遇安山岩特征分析及层位划分方法探讨[J].录井技术,2004,15(1):41-44.
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