陡岸浊积岩储层精细描述技术——以东营凹陷滨县凸起东坡为例
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摘要
滨县凸起东坡在沙三段中、下沉积期具有山高坡陡的构造特征,浊积砂体广泛发育。本文在分析了陡坡带浊积砂体的地质、地震特征的基础上,结合目前深水浊积砂岩勘探开发面临的埋藏深,变化快,含油性难确定等难点,研发了一套高精度古地貌恢复技术定区,"甜心体"定砂,"高亮体"确定含油气性的浊积砂体有效储层预测技术序列,该方法适用于深湖相的浊积砂体储层描述。研究表明,"甜心体"可准确落实储层边界,"高亮体"可预测储层的含油气性,实际应用效果良好。
The east slope of Binxian uplift was of"high hill and steep slope"in the depositional stage of the Middle and Lower of Es3,and the turbidite sand bodies was developed extensively.On the basis of the analysis of the geologic and seismic characteristics of the turbidite sand body in the steep slope and combined with the difficulties(deep buried depth,quick change,difficult to confirm the oiliness) in turbidite sand exploration and development,a set of effective turbidite sand reservoir prediction technique(high precision palaeogeomorphology restoration technique to confirm the area,"sweetness body"technique to confirm turbidite sand body,"highlight body"technique to confirm hydrocarbon bearing property) were developed,which is suitable to describe the turbidite sand reservoir in deep lake facies.The result show that the"sweetness body"technique can be used to accurately define the boundary of the reservoir,the"highlight body"technique can be used to predict the hydrocarbon bearing property of the reservoir and a good result is obtained in practical application.
The east slope of Binxian uplift was of"high hill and steep slope"in the depositional stage of the Middle and Lower of Es3,and the turbidite sand bodies was developed extensively.On the basis of the analysis of the geologic and seismic characteristics of the turbidite sand body in the steep slope and combined with the difficulties(deep buried depth,quick change,difficult to confirm the oiliness) in turbidite sand exploration and development,a set of effective turbidite sand reservoir prediction technique(high precision palaeogeomorphology restoration technique to confirm the area,"sweetness body"technique to confirm turbidite sand body,"highlight body"technique to confirm hydrocarbon bearing property) were developed,which is suitable to describe the turbidite sand reservoir in deep lake facies.The result show that the"sweetness body"technique can be used to accurately define the boundary of the reservoir,the"highlight body"technique can be used to predict the hydrocarbon bearing property of the reservoir and a good result is obtained in practical application.
引文
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[2]苏朝光,刘怀山,王树华等.深水浊积扇成藏地质条件及地震描述技术[J].天然气工业,2008,28(4):33-36.
[3]徐冠华,蔡进功,郑德顺等.东营凹陷滨南地区Es3下亚段湖相浊积岩精细物源研究[J].科学技术与工程,2011,11(36):1671-1815.
[4]王居峰.东营三角洲—浊积扇高频层序叠加样式与岩性圈闭[J].沉积学报,2005,23(2):303-309.
[5]方勇,邓洪文,Massimo SARIT等.东营三角洲演化特征与岩性圈闭分布规律[J].石油勘探与开发,2003,30(5):123-126.
[6]陆克政.含油气盆地分析[M].山东东营:中国石油大学出版社,2001:255-260.
[7]王金铎,于建国.陆相湖盆陡坡带砂砾岩扇体的沉积模式及地震识别[J].石油物探,1998,3(3):40-47.
[8]赵澄林.沉积学原理[M].北京:石油工业出版社,2001:35-42.
[9]刘曾勤,王英民,白广臣等.甜点及其融合属性在深水储层研究中的应用[J].石油地球物理勘探,2010,45(增刊1):158-162.
[10]Taner M T and R E Sheriff.Application of Amplitude,frequencyand other attributes to stratigraphic and hydrocarbon exploration,in Payton C E,Seismic stratigraphy-Applications to hydrocarbonexploration.AAPG Memoir,1977,26:301-327.
[11]Radovich B J and R B Oliveros.3-D sequence interpretation ofseismic instantaneous attributes from the Gorgon field.The Lead-ing Edge,1998,17(9):1286-1293.
[12]武国宁,曹思远,马宁等.S变换的时频分析特征及其改进[J].地球物理学进展,2011,26(5):1661-1667.
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