RELATIONSHIP BETWEEN FAULT-ACTIVITY AND HYDROCARBON ACCUMULATION IN MINFENG FAULT ZONE OF DONGYING SAG

LI Hong-lin; JIANG You-lu; GUO Fu-xin; LU Zhi-yong; CUI Xiao-jun

Volume 21 Issue 4

Dec. 2015

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Article Navigation > Journal of Geomechanics > 2015 > 21(4): 473-480

LI Hong-lin, JIANG You-lu, GUO Fu-xin, et al., 2015. RELATIONSHIP BETWEEN FAULT-ACTIVITY AND HYDROCARBON ACCUMULATION IN MINFENG FAULT ZONE OF DONGYING SAG. Journal of Geomechanics, 21 (4): 473-480.

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LI Hong-lin, JIANG You-lu, GUO Fu-xin, et al., 2015. RELATIONSHIP BETWEEN FAULT-ACTIVITY AND HYDROCARBON ACCUMULATION IN MINFENG FAULT ZONE OF DONGYING SAG. Journal of Geomechanics, 21 (4): 473-480.

Citation:

LI Hong-lin, JIANG You-lu, GUO Fu-xin, et al., 2015. RELATIONSHIP BETWEEN FAULT-ACTIVITY AND HYDROCARBON ACCUMULATION IN MINFENG FAULT ZONE OF DONGYING SAG. Journal of Geomechanics, 21 (4): 473-480.

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RELATIONSHIP BETWEEN FAULT-ACTIVITY AND HYDROCARBON ACCUMULATION IN MINFENG FAULT ZONE OF DONGYING SAG

1.
School of Geosciences, China University of Petroleum, Qingdao 266580, Shandong, China
2.
Dongxin Production Plant, SINOPEC Shengli Oilfield Company, Dongying 257068, Shandong, China

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Abstract

Abstract

Based on integration of 3D seismic, drilling and logging data and in combination with the history of hydrocarbon accumulation, we analyzed the features of faults activity by fault growth index and discussed the relationship between fault activity and hydrocarbon accumulation.The result shows that faults have sustaining and successive characterization, and there are two activity peak periods:one occurred in the later Es₃ period and the other occurred in Ed period. There exist obvious differences in different faults and different locations of the same fault. The No.10 fault is the most important oil source fault which is larger in scale and the fault activity is the strongest in regular change pattern of "strong-weak-strong" from west to east. And the activity period of No.10 fault is matched with the main hydrocarbon expelling period of source rocks, which provide good conditions for vertical oil migration; While other faults are the secondary adjusting faults which develope in the thrown wall of No.10 fault, they are not conducive to the accumulation of hydrocarbon because their fault activities are weak and in poor matching with the main hydrocarbon expelling period.
- fault activity,
- hydrocarbon accumulation,
- Minfeng fault zone,
- Dongying sag

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References

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