The ratio of halfgraben downfaulted lake basin in Shengli
exploration area is more than half in the whole taphrogenic area of
Jiyang depression1It were multi-hydrocarbon concertration zone
with multi2hidden trap ,multi-sand and formed various types and
scales oil reservior by the exploratory practice. For example
Chenjiazhuang area , structure , deporsition and oil resrvoir
feature ,ect in the northern gently sloping zone of Chenjiazhuang
were dissectioned typically by means of driven well ,well logging ,
seismic and laboratory data. it was pointed out that
palaeogeomorphic gulch river course sand unit of lower Guantao
and tectonic sloping flod low fan of Es3 were favorable
hydrocarbon accumulation unit by means of 3D-visualization
technology of reservoir predict1Based on the petroleum geologic
comprehensive analysis , exploratory methods of gently sloping
zone were created1At the same time , structural model ,
sedimentary model and reservoir forming model were made up ,
but also porvided guiding for other area gently sloping zone in
Jiyang depression1
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