RELATIONSHIP BETWEEN STRUCTURAL STRESS FIELD AND DEVELOPMENT OF FRACTURES IN FORELAND THRUST BELT

SONG Yong; FENG Jian-wei; DAI Jun-sheng; LIU Xu; BIAN Bao-li; LI Ming

2010 Vol. 16, No. 3

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Article navigation > Journal of Geomechanics > 2010 > 16(3): 310-324

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SONG Yong, FENG Jian-wei, DAI Jun-sheng, LIU Xu, BIAN Bao-li, LI Ming. RELATIONSHIP BETWEEN STRUCTURAL STRESS FIELD AND DEVELOPMENT OF FRACTURES IN FORELAND THRUST BELT[J]. Journal of Geomechanics, 2010, 16(3): 310-324.

Citation:

SONG Yong, FENG Jian-wei, DAI Jun-sheng, LIU Xu, BIAN Bao-li, LI Ming. RELATIONSHIP BETWEEN STRUCTURAL STRESS FIELD AND DEVELOPMENT OF FRACTURES IN FORELAND THRUST BELT[J]. Journal of Geomechanics, 2010, 16(3): 310-324.

RELATIONSHIP BETWEEN STRUCTURAL STRESS FIELD AND DEVELOPMENT OF FRACTURES IN FORELAND THRUST BELT

1.
Scientific Research Institute of Petroleum Exploration and Development, PetroChina Karmy Oilfield Company, Karamy 834000, China
2.
Faculty of Geo-Resource and Information, China University of Petroleum (East China), Qingdao 255666, China
3.
Exploration and Development Research Institute, PetroChina Liaohe Oilfield Company, Panjin 124010, China

Received Date: 09 March 2010

Publish Date: 25 September 2010

Abstract

Abstract

Aiming at the difficulties in predicting the fractures in strata in thrust belt, by selecting the fracture criteria suitable for the Wuxia foreland thrust belts under study, this paper has defined a relation of mechanical parameters with the current stress field and the paleostress field during the formation of the fractures, Based on the study on the Permian reservoir fracture, we have finished a quantitative calculation for fracture aperture and other parameters and drawn a map of distribution of each formation.The results show that structural stress and lithology paly a crucial part in development of the fractures; generally the fractures with greater fractural parameters are relatively easy to form in the areas with evidently different structural stresses; and near the high part of principal faults more fractures are developed, and the strata are more tuffaceous and argillaceous, fine-grained, with more fractures developed.
- Wuxia foreland thrust belt /
- strata of sedimentation and volcanic /
- fracture criteria /
- stress field /
- fracture parameters

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References

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