白莲洼陷流沙港组烃源岩热史及成烃史研究可为福山凹陷油气资源评价提供基础参数。利用Basin Mod盆地模拟软件,在重建地史的基础上应用EASY%Ro模型恢复白莲洼陷热史和成烃史。研究结果表明,福山凹陷在裂陷阶段早始新世初期热流值较高,...白莲洼陷流沙港组烃源岩热史及成烃史研究可为福山凹陷油气资源评价提供基础参数。利用Basin Mod盆地模拟软件,在重建地史的基础上应用EASY%Ro模型恢复白莲洼陷热史和成烃史。研究结果表明,福山凹陷在裂陷阶段早始新世初期热流值较高,最大为68.6 m W/m2,随后古热流逐渐减小,到晚中新世晚期热流值降为55.6 m W/m2,从上新世初期开始,热流值有所回升,现今热流值为57.8 m W/m2.白莲洼陷流沙港组烃源岩进入生油门限(Ro=0.5%)时间为38×106a,达到生油高峰(Ro=1.0%)时间为30×106a,进入生气门限(Ro=1.3%)时间为20×106a.白莲洼陷深洼地区流沙港组烃源岩埋深较大,成熟度更高,生烃能力更强,可为福山凹陷提供丰富的油气资源。展开更多
The purpose of this study is to forecast the profitable oil and gas reservoir,which is the key of finding hydrocarbon,based on the conception of special geologic bodies.With the guiding methodology of the research thi...The purpose of this study is to forecast the profitable oil and gas reservoir,which is the key of finding hydrocarbon,based on the conception of special geologic bodies.With the guiding methodology of the research thinking of integration of point-line-surface by using the methods and techniques of logging,seismic,seismic attribute,and logging constrained inversion in 3D data volume,the special geologic bodies of Member 3 of Dongying Formation in Littoral Slope Zone of Qikou Sag,which has important hydrocarbon exploration potential,are recognized and described under the constraint of sequence stratigraphic framework.As a result,the developed scale,geometric shape and space distribution feature of the special geologic bodies are forecasted;the inner structure and sequence structure patterns of the geologic bodies are also ascertained.From the lowstand system tract (LST) and lacustrine expanding system tract (EST) to the highstand system tract (HST),the geologic bodies have evolved from relative centralization of lake basin reducing period to three relative dispersive isolated parts of broad lake basin period.According to the relevance and regularity of the development of geologic bodies,the conclusions can be obtained that three types of potential profitable reservoir traps,including the lithologic lens traps,lithologic updip pinchout traps and structural-lithologic composite traps,are forecasted.In addition,scientific basis for further hydrocarbon exploration in new area (few-well area and no-well area) is offered in the guidance of sequence stratigraphic model.展开更多
文摘白莲洼陷流沙港组烃源岩热史及成烃史研究可为福山凹陷油气资源评价提供基础参数。利用Basin Mod盆地模拟软件,在重建地史的基础上应用EASY%Ro模型恢复白莲洼陷热史和成烃史。研究结果表明,福山凹陷在裂陷阶段早始新世初期热流值较高,最大为68.6 m W/m2,随后古热流逐渐减小,到晚中新世晚期热流值降为55.6 m W/m2,从上新世初期开始,热流值有所回升,现今热流值为57.8 m W/m2.白莲洼陷流沙港组烃源岩进入生油门限(Ro=0.5%)时间为38×106a,达到生油高峰(Ro=1.0%)时间为30×106a,进入生气门限(Ro=1.3%)时间为20×106a.白莲洼陷深洼地区流沙港组烃源岩埋深较大,成熟度更高,生烃能力更强,可为福山凹陷提供丰富的油气资源。
基金Project(40872077) supported by the National Natural Science Foundation of ChinaProject(2008CDA098) supported by the Key Natural Science Foundation of Hubei Province,China+1 种基金Project(TPR-2010-01) supported by the Open Project Foundation of Key Laboratory of Tectonics and Petroleum Resources,Ministry of Education,Chinasupported by the research institute exploration and development,PetroChina Dagang Oilfield Company
文摘The purpose of this study is to forecast the profitable oil and gas reservoir,which is the key of finding hydrocarbon,based on the conception of special geologic bodies.With the guiding methodology of the research thinking of integration of point-line-surface by using the methods and techniques of logging,seismic,seismic attribute,and logging constrained inversion in 3D data volume,the special geologic bodies of Member 3 of Dongying Formation in Littoral Slope Zone of Qikou Sag,which has important hydrocarbon exploration potential,are recognized and described under the constraint of sequence stratigraphic framework.As a result,the developed scale,geometric shape and space distribution feature of the special geologic bodies are forecasted;the inner structure and sequence structure patterns of the geologic bodies are also ascertained.From the lowstand system tract (LST) and lacustrine expanding system tract (EST) to the highstand system tract (HST),the geologic bodies have evolved from relative centralization of lake basin reducing period to three relative dispersive isolated parts of broad lake basin period.According to the relevance and regularity of the development of geologic bodies,the conclusions can be obtained that three types of potential profitable reservoir traps,including the lithologic lens traps,lithologic updip pinchout traps and structural-lithologic composite traps,are forecasted.In addition,scientific basis for further hydrocarbon exploration in new area (few-well area and no-well area) is offered in the guidance of sequence stratigraphic model.
