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Shizigou Formation

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Journal Article
Journal: AAPG Bulletin
Published: 15 March 2019
AAPG Bulletin (2019) 103 (3): 547-568.
... with the suprasalt reverse fault, makes up the Shizigou fault system. In seismic sections AA′ and BB′, the Xiayoushashan Formation thins in the hanging wall of the suprasalt reverse fault ( Figures 8 , 9 ), indicating that this unit was deposited during reverse fault uplift. Therefore, we consider the Shizigou...
FIGURES | View All (15)
Journal Article
Journal: GSA Bulletin
Published: 01 May 2013
GSA Bulletin (2013) 125 (5-6): 833-856.
...) data from the Pliocene Shizigou and Pleistocene Qigequan Formations along the southwestern flank of an intrabasin fold within the north-central Qaidam Basin are presented here. Strata reveal climatically controlled, meter-scale parasequences within shallow-lacustrine, marginal-lacustrine, and deltaic...
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Fracture traces of the Oligocene Shangganchaigou <b>Formation</b> on <b>Formation</b> Mic...
Published: 01 November 2012
Figure 10 Fracture traces of the Oligocene Shangganchaigou Formation on Formation MicroImaging log, A1 well, Shizigou oil field. Dark linear features on the unwrapped image of the borehole wall mark conductive fracture traces of different set orientations in bedded carbonates. See Figure 5
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( continued ). (A) Isopach map of the Lulehe <b>Formation</b> (E1+2). (B) Isopach ...
Published: 01 July 2008
Formation (N2-1). (F) Isopach map of the Shangyoushashan Formation (N2-2). (G) Isopach map of the Shizigou Formation (N2-3). (H) Isopach map of Quaternary sediments (Q). See Table 1 for age assignment of each unit.
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Rose diagram of all fracture strikes from <b>Formation</b> MicroImager in Paleogen...
Published: 01 November 2012
Figure 15 Rose diagram of all fracture strikes from Formation MicroImager in Paleogene carbonates in the Shizigou oil field. (A) Orientation of open fractures. (B) Orientation of sealed fractures. Open fractures are northwest-southeast orientations parallel to the main faults and are south-north
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Microfractures of the Oligocene Shangganchaigou <b>Formation</b> in a horizontal t...
Published: 01 November 2012
Figure 17 Microfractures of the Oligocene Shangganchaigou Formation in a horizontal thin section from the A1 well, Shizigou oil field. The host rock is argillaceous limestone; depth, 4004 m (13,136 ft). Letter A indicates earlier fracture filled with gypsum; letter B, later open fracture filled
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Microfractures of the Eocene Xiaganchaigou <b>Formation</b> in a horizontal thin s...
Published: 01 November 2012
Figure 19 Microfractures of the Eocene Xiaganchaigou Formation in a horizontal thin section from the B2 well, Shizigou oil field. The host rock is lacustrine limestone; depth, 4102 m (13,458 ft). F = earlier fracture filled with gypsum that has been dissolved as fracture filled with crude oil
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(A) The raw image of core in the Eocene Xiaganchaigou <b>Formation</b> from the ve...
Published: 01 November 2012
Figure 13 (A) The raw image of core in the Eocene Xiaganchaigou Formation from the vertical well B1, Shizigou oil field, limestone; depth, 4175.6 m (13,699.5 ft). (B) The image with superimposed annotation showing the relationship between fractures and faults. The early and later reverse faults
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Microfractures of the Eocene Xiaganchaigou <b>Formation</b> in a horizontal thin s...
Published: 01 November 2012
Figure 20 Microfractures of the Eocene Xiaganchaigou Formation in a horizontal thin section from the B2 well, Shizigou oil field. The host rock is lacustrine limestone; depth, 4122.8 m (13,526.2 ft). Early fractures filled with calcite and gypsum have been broken by neotectonic uplift
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <b>format</b>...
in > Geosphere
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <b>format</b>...
in > Geosphere
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <b>format</b>...
in > Geosphere
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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Structural cross section based on surface geology and seismic data. The lin...
Published: 01 November 2012
Formation; , Pliocene Shizigou Formation and Pleistocene Qigequan Formation.
Journal Article
Journal: Geophysics
Published: 25 January 2010
Geophysics (2010) 75 (1): B25-B33.
...: (a) before correction; (b) after correction. Figure 8. Depth slices of 3D inversion for each block. Figure 17. Thickness of the IPR anomaly area (in m). The major source rock is the shallow lacustrine, dark mudstone of the Qigequan Formation of the Quaternary and the Shizigou...
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Interpreted seismic profile (1) in time domain. T0 to T6 are regionally cor...
Published: 01 July 2008
Figure 12. Interpreted seismic profile (1) in time domain. T0 to T6 are regionally correlative reflectors; T0 at the top of the Shizigou Formation, T1 at the top of the Shangyoushashan Formation, T2 at the top of the Xiayoushashan Formation, T3 at the top of the Shangganchaigou Formation, TR
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Examples of pore-pressure depth profiles in overpressured wells in the nort...
Published: 01 January 2016
Jurassic; N 1 = Neogene Upper Ganchaigou Formation; N 2 1 = Neogene lower Youshashan Formation; N 2 2 = Neogene upper Youshashan Formation; N 2 3 = Neogene Shizigou Formation; Q 1+2 = Quaternary Qigequan Formation.
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Comparison diagram of the thickness-distance ( T - D ) plots and correspond...
in > Geosphere
Published: 01 June 2016
the tendencies of the T-D curves during the stages of the Upper Xiaganchaigou–Xiayoushashan formations and the Shangyoushashan–Shizigou formations, respectively. 1—Lulehe Formation (LLH); 2—Lower Xiaganchaigou Formation (LXG); 3—Upper Xiaganchaigou Formation (UXG); 4—Shangganchaigou Formation (SG); 5
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Correlation chart of Cenozoic strata in basins of the central Tibetan Plate...
Published: 01 September 2008
—unconformity and missing strata. E 1n —Paleocene Niubao Formation; N 1 1 —lower Miocene; N 1 3 —upper Miocene; N 2 1 —lower Pliocene; N 2b —Pliocene Bulong Formation; N 2s —Pliocene Shizigou Formation.
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Examples of seismic lines used in this study. (A) Section 7. (B) Southernmo...
Published: 01 July 2008
units are shown in Table 1 . TWTT—two-way traveltime. T0 to T6 are regionally correlative reflectors. T0 at the top of the Shizigou formation, T1 at the top of the Shangyoushashan formation, T2 at the top of the Xiayoushashan formation, T3 at the top of the Shangganchaigou formation, T4 at the top
Journal Article
Journal: Lithosphere
Published: 20 December 2018
Lithosphere (2018) 11 (2): 252-272.
... al., 2017 ; Lu and Xiong, 2009 ; Wang et al., 2017 ). This exceptionally thick succession has been divided into seven formations, including, in ascending order, Qigequan, Shizigou, upper Youshashan, lower Youshashan, upper Ganchaigou, lower Ganchaigou, and Lulehe. The Lulehe Formation...
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