岩性油气藏
巖性油氣藏
암성유기장
LITHOLOGIC RESERVOIRS
2012年
3期
11-14,60
,共5页
凹陷区%上生下储%侧向运移模式%断裂密集带%扶杨油层%三肇凹陷%松辽盆地
凹陷區%上生下儲%側嚮運移模式%斷裂密集帶%扶楊油層%三肇凹陷%鬆遼盆地
요함구%상생하저%측향운이모식%단렬밀집대%부양유층%삼조요함%송료분지
depressed area%upper source rock and lower reservoir%lateral migration model: fault condensed belts%Fuyu and Yangdachengzi oil laver%Sanzhao Depression%Songliao Basin
为了研究三肇凹陷扶杨油层油成藏规律,采用油分布与源岩、断裂空间叠合研究的方法,对扶杨油层油侧向运移模式及其对油成藏与分布的控制作用进行了研究。结果表明,上覆青一段源岩生成的油向下伏扶杨油层侧向运移的模式为：断裂错断使上覆青一段源岩与下伏扶杨油层中的不同油层组对接,青一段源岩生成的油在浮力作用下侧向运移进入扶杨油层的不同油层组中;断裂错断阶数越多,青一段源岩生成的油侧向运移进入扶杨油层中油层组的层位越深,反之则越浅。青一段源岩生成的油向扶杨油层侧向运移对其油成藏与分布的控制作用主要表现在2个方面：①断裂密集带两侧的地垒构造是扶杨油层油成藏的有利部位;②扶一油层组是青一段源岩生成的油向扶杨油层侧向运移的主要层位。这一研究成果对于指导三肇凹陷扶杨油层石油勘探具有推广价值。
為瞭研究三肇凹陷扶楊油層油成藏規律,採用油分佈與源巖、斷裂空間疊閤研究的方法,對扶楊油層油側嚮運移模式及其對油成藏與分佈的控製作用進行瞭研究。結果錶明,上覆青一段源巖生成的油嚮下伏扶楊油層側嚮運移的模式為：斷裂錯斷使上覆青一段源巖與下伏扶楊油層中的不同油層組對接,青一段源巖生成的油在浮力作用下側嚮運移進入扶楊油層的不同油層組中;斷裂錯斷階數越多,青一段源巖生成的油側嚮運移進入扶楊油層中油層組的層位越深,反之則越淺。青一段源巖生成的油嚮扶楊油層側嚮運移對其油成藏與分佈的控製作用主要錶現在2箇方麵：①斷裂密集帶兩側的地壘構造是扶楊油層油成藏的有利部位;②扶一油層組是青一段源巖生成的油嚮扶楊油層側嚮運移的主要層位。這一研究成果對于指導三肇凹陷扶楊油層石油勘探具有推廣價值。
위료연구삼조요함부양유층유성장규률,채용유분포여원암、단렬공간첩합연구적방법,대부양유층유측향운이모식급기대유성장여분포적공제작용진행료연구。결과표명,상복청일단원암생성적유향하복부양유층측향운이적모식위：단렬착단사상복청일단원암여하복부양유층중적불동유층조대접,청일단원암생성적유재부력작용하측향운이진입부양유층적불동유층조중;단렬착단계수월다,청일단원암생성적유측향운이진입부양유층중유층조적층위월심,반지칙월천。청일단원암생성적유향부양유층측향운이대기유성장여분포적공제작용주요표현재2개방면：①단렬밀집대량측적지루구조시부양유층유성장적유리부위;②부일유층조시청일단원암생성적유향부양유층측향운이적주요층위。저일연구성과대우지도삼조요함부양유층석유감탐구유추엄개치。
In order to sludy the oil accumulalion rule of Fuyu and Yangdachengzi oil laver in Sanzhao Depression. the method of studying spave distribulion relation among oil distribution, source rocks and faults was applied to study the oil lateral migration model and its control action on oil accumulalion and distrihution. The result shrews that the lateral migration model is that oil generated from the overying K1qn1 source rocks migrates into underlying different horizons of Fuyu and Yangdachengzi oil layer under the action of buoyancy, because faults make the overlying K1qn1 source rocks touch with underlying different horizons of Fuyu and Yangdacheugzi oil layer. The more the fault step in fauh is. the more horizons of Fuyu and Yangdachengzi oil layer the oil migrated into. This lateral migration model of oil generated from the overlying K1qn1 source rocks controls tire oil accumulatiou and distrihution of Fuyu and Yangdachengzi oil laver, and it mainly displays in the following two aspeets：①The horst struetures in two sides of fault condensed behs are favorahle places for oil of Fuyu and Yangdaehengzi oil layer to accumulate. ②Fu I oil group is the main horizon for oil generated from the overlying K1qn1 source rocks to migrate and accumulate in Fuyu and Yangdaehengzi oil layer. The study resuh is of extend value for guiding oil exploration of Fuyu and Yangdachengzi oil layer in Sanzhao Depression.
