Methods on Establishment of Fine Equitime Stratigraphic Framework of the 1stMember of the Kongdian Formation in Zaoyuan Oilfield
Received date: 2010-03-07
Revised date: 2010-05-27
Online published: 2010-08-10
The current development of Zaoyuan oilfield is difficult due to its complex geological feature. In according to integration wells with seismic data, we use the high\|resolution sequence stratigraphy to set up the stratigraphic framework of the high times, classifying the sand layer with sedimentary cycle and the small layer with sedimentary rhythm. We use the variation of layer thickness to auxiliary determine the formation boundary when the cycles is not obvious. By means of phase sequence, self\|potential curve, gamma ray curve or resistivity curve, the thick sand body in the IV oil layers of Zaoyuan can be classified into a long\|term base level cycle, 7 mid\|level cycles, and 21 short\|term base level cycle, corresponding to 7 sandbeds and 21 member in the northern of Zaoyuan. Thus, it effectively reduce the ambiguity of the complicated block reservoir and greatly unite of the dynamic and static data so as to provide a reference for the next development and deployment of petroleum in the Zaoyuan oilfield.
XING Wei-Dong, XIANG Zan, QIAN Bin, YU Fang, HE Wan-Ru, DONG Li . Methods on Establishment of Fine Equitime Stratigraphic Framework of the 1stMember of the Kongdian Formation in Zaoyuan Oilfield[J]. Natural Gas Geoscience, 2010 , 21(4) : 617 -620 . DOI: 10.11764/j.issn.1672-1926.2010.04.617
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