新疆石油地质
新疆石油地質
신강석유지질
XINJIANG PETROLEUM GEOLOGY
2009年
5期
563-565
,共3页
唐华风%崔凤林%王璞珺%曹国银%杨波
唐華風%崔鳳林%王璞珺%曹國銀%楊波
당화풍%최봉림%왕박군%조국은%양파
松辽盆地%火山机构%火山岩相%储集层%地震属性
鬆遼盆地%火山機構%火山巖相%儲集層%地震屬性
송료분지%화산궤구%화산암상%저집층%지진속성
Songliao basin%volcanic edifice%volcanic facies%reservoir%seismic attribute
火山岩有效储集层主要分布在火山口-近火山口相带的有利亚相中.以松辽盆地YX地区营城组上部火山岩为例,综合利用反射强度属性、倾角属性、波形属性进行有效储集层预测.将反射强度弱、倾角值大和波形杂乱的区域划为有效储集层发育区;而反射强度强、倾角值小、波形连续的区域划为有效储集层不发育区;中间过渡区域有效储集层较发育.据此在研究区新识别出23个火山岩储集层有利目标区,为火山岩油气藏勘探提供了依据.
火山巖有效儲集層主要分佈在火山口-近火山口相帶的有利亞相中.以鬆遼盆地YX地區營城組上部火山巖為例,綜閤利用反射彊度屬性、傾角屬性、波形屬性進行有效儲集層預測.將反射彊度弱、傾角值大和波形雜亂的區域劃為有效儲集層髮育區;而反射彊度彊、傾角值小、波形連續的區域劃為有效儲集層不髮育區;中間過渡區域有效儲集層較髮育.據此在研究區新識彆齣23箇火山巖儲集層有利目標區,為火山巖油氣藏勘探提供瞭依據.
화산암유효저집층주요분포재화산구-근화산구상대적유리아상중.이송료분지YX지구영성조상부화산암위례,종합이용반사강도속성、경각속성、파형속성진행유효저집층예측.장반사강도약、경각치대화파형잡란적구역화위유효저집층발육구;이반사강도강、경각치소、파형련속적구역화위유효저집층불발육구;중간과도구역유효저집층교발육.거차재연구구신식별출23개화산암저집층유리목표구,위화산암유기장감탐제공료의거.
Volcanic effective reservoir is mainly distributed in sub-facies of crater and near-crater zones.Taking the volcanic rocks of upper part of Yingcheng formation in YX area in Songliao basin as an example,these attributes such as single envelop reflecting reservoir porosity feature,dip angle reflecting volcanic edifice and waveform reflecting volcanic facies are utilized to predict the effective reservoir.The area of low single envelop,big dip angle and disorder reflection is classified into developed effective reservoir;the area of high single envelop,small dip angle and continuous waveform into undeveloped effective reservoir;the transition area into some effective reservoir.23 favorable and target areas for forming the effective reservoirs are identified using this method as bases for further exploration of volcanic reservoirs in this area.