The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield

LIU Jian-hong; CUI Qin-yuan; WANG Ya-peng; LI Xin

Northwestern Geology > 2004 > 37(2): 80-82.

LIU Jian-hong, CUI Qin-yuan, WANG Ya-peng, et al. The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield[J]. Northwestern Geology, 2004, 37(2): 80-82.

Citation:

LIU Jian-hong, CUI Qin-yuan, WANG Ya-peng, et al. The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield[J]. Northwestern Geology, 2004, 37(2): 80-82.

Citation:

LIU Jian-hong, CUI Qin-yuan, WANG Ya-peng, et al. The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield[J]. Northwestern Geology, 2004, 37(2): 80-82.

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The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield

Nanniwan Explortation Company of Yanchang Oilfield Bureau, Yan'an 716008, China

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Received Date: December 14, 2003
Revised Date: February 15, 2004
Published Date: June 04, 2004

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Abstract

Based on micro-quake suspecting technology,the authors studied what the shape fracturing may made in the Chang-6 layer of Triassic system of Nannwan oilfield,and took experiments on six particular oil well of Nanniwan oilfield.The results show that the fracture is vertical at the buried depth between 650.0 m and 797.0 m and the fracture is horizontal at the buried depth between 349.0 m and 383.0 m.The extension of the vertical fracture is 138.0～149.3 m,the largest fracture direction is 108.9°,and the least one is 58.0°.The extension of the horizontal fracture is 99.1～117.4m,and the smallest fracture direction is 76.6°.
- low permeability oilfield,
- hand fracture,
- micro-quake suspecting,
- Nanniwan oilfield

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The application of micro-quake suspecting technology at Chang-6 layer of Nanniwan oilfield

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