Study on the Characteristics of Physical Property and Oil-bearing of the Es3~Z Member of Niuzhuang Sub-Sag of Shengli Oilfield

DOI

10.2991/ifeesm-15.2015.79How to use a DOI?

Keywords

Niuzhuang Sub-Sag; Lithologic reservoir; Porosity; Permeability.

Abstract

The Middle Submember of Member Three of Shahejie Formation of Paleogene (Es3~Z Member) in the west of Niuzhuang Sub-sag of Shengli Oil Field is the research object of this article. In this article, the porosity and permeability of the Es3~Z Member are statistically analyzed and calculated from well sampling of 19 typical wells in the Niuzhuang Sub-sag. Then the relationship between the physical property and oil-bearing of reservoir are studied. Finally, Studies suggest: Secondary Interstice are the main interstice and Original Interstice develops not well. The distribution of the pore throat is uneven and partial small. So the rock porosity and permeability is not well. The average value of porosity is approximately 15.4%. And there is mostly middle-low porosity, some extra-low porosity and few high porosity reservoir. Extra-low and low permeability reservoir is the main reservoir(71.9%) and middle permeability occupy a certain proportion of 27.5%, but high-permeability reservoir are rare. The average value of permeability is 0.65-17.8×10-3 m2. Lower limit of physical properties are as follow: In oil-bearing reservoir the bottom limit of porosity is 7% and permeability is 0.1×10-3 m2. While in oil reservoir and better reservoir the bottom limit of porosity is 12.5% and bottom limit of permeability is 1×10-3 m2.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shoujun Li
AU  - Xiaohui Cui
AU  - Qiang Liu
AU  - Tao Zhang
AU  - Xiao Liu
PY  - 2015/09
DA  - 2015/09
TI  - Study on the Characteristics of Physical Property and Oil-bearing of the Es3~Z Member of Niuzhuang Sub-Sag of Shengli Oilfield
BT  - Proceedings of the 2015 International Forum on Energy, Environment Science and Materials
PB  - Atlantis Press
SP  - 417
EP  - 420
SN  - 2352-5401
UR  - https://doi.org/10.2991/ifeesm-15.2015.79
DO  - 10.2991/ifeesm-15.2015.79
ID  - Li2015/09
ER  -