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Ansai Field

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Journal Article
Journal: Interpretation
Published: 14 January 2019
Interpretation (2019) 7 (1): T195–T206.
...Naiquan Sun; Jie Pan; Sibin Zhou; Chunbo Jiao Abstract The Chang 8 (C8) reservoir is a transitional oil pool type from a tight oil sandstone to a lithologic trap in the Upper Triassic Yanchang Formation of the Honghe oil field, southwest Ordos Basin, China. Vertical faults play important roles...
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Sketch maps of the reservoirs in the Yanchang Formation, Ordos Basin (modif...
Published: 15 December 2019
Figure 5. Sketch maps of the reservoirs in the Yanchang Formation, Ordos Basin (modified from Ye, 2006 ). (A) Structural–stratigraphic reservoirs of the Huachi-Chenghao oil field. (B) Stratigraphic updip reservoirs of the Ansai oil field.
Journal Article
Journal: AAPG Bulletin
Published: 15 December 2019
AAPG Bulletin (2019) 103 (12): 2835–2859.
...Figure 5. Sketch maps of the reservoirs in the Yanchang Formation, Ordos Basin (modified from Ye, 2006 ). (A) Structural–stratigraphic reservoirs of the Huachi-Chenghao oil field. (B) Stratigraphic updip reservoirs of the Ansai oil field. ...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 2005
AAPG Bulletin (2005) 89 (2): 255–269.
..., and in 2001, all the Jurassic oil fields had proven in-place reserves of about 1.97 billion bbl and annual production of 124 million bbl ( Qiu and Gong 1999 ; Li and Lu, 2002 ). In 1983, the Triassic Ansai oil field was discovered, and in 2001, its proven in-place reserves reached about 1.8 billion bbl...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.254.01.05
EISBN: 9781862395022
... stratigraphic and subtle combination traps successes are due to luck. However, the following example runs contrary and provides an excellent example of where geological due diligence paid off. The Ansai Field is an example of a stratigraphic trap discovered through detailed facies mapping. It is located...
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Journal Article
Journal: AAPG Bulletin
Published: 15 November 2019
AAPG Bulletin (2019) 103 (11): 2757–2783.
...., 2016 ). In recent decades, tight gas reservoirs have been widely developed in the Ordos basin, with successful development in the lower Permian Xiashihezi Formation in the Sulige, Yulin, Daniudi, and Jingbian fields ( Zhang et al., 2009 ; Zou et al., 2013 ). With the recent discovery of substantial...
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Journal Article
Journal: AAPG Bulletin
Published: 15 June 2019
AAPG Bulletin (2019) 103 (6): 1493–1523.
... with good reservoir qualities was estimated to exceed 30,000 × 10 4 km 2 (11,600 × 10 4 mi 2 ). Many oil and gas discoveries have been made over the years in the Chang 7 tight oil accumulation of the Ordos Basin. In 2014, the Xin’anbian oil field, one of four pilot sites, was established as the first...
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Journal Article
Published: 24 April 2019
Petroleum Geoscience (2019) petgeo2018-091.
..., is present at the top of the Chang 9 Member of the Yanchang Formation. The oil shale is mainly distributed in the north-central basin, in Yanan, Zhidan and Ansai counties. It has an area of 4336 km 2 , about one-seventh of the Chang 7 Member oil shale, with a limited thickness of about 6 m...
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