The Sangonghe biota in the Junggar Basin, NW China: age …
网页2023年6月14日 · In the Junggar Basin of northwestern China, this coal break coincides with the Sangonghe Formation, which is well exposed along the basin margins, and is mainly composed of lacustrine deposits rich in a variety of fossils, including plants, pollens and spores, bivalves, clam shrimps, insects and some vertebrates.
Provenance of the Lower Jurassic Badaowan and Sangonghe …
网页2023年7月5日 · In this study, we focused on the sandstones of the Lower Jurassic Badaowan and Sangonghe Formations in the Dongdaohaizi Depression, Junggar basin near the Karamaili orogenic belt. After detailed observations and descriptions of the macroscopic features of the sandstone, we obtained …
(PDF) The Sangonghe biota in the Junggar Basin, NW China: age ...
网页PDF | On Jun 14, 2023, Jiahao Li and others published The Sangonghe biota in the Junggar Basin, NW China: age constraints and climate implications | Find, read and cite all the research you need...
Jurassic tectonostratigraphic evolution of the Junggar basin, …
网页2014年12月9日 · Seismic and well data show that the Badaowan, Sangonghe, Xishanyao, and Toutunhe formations thicken westward from well Fu5, through well Dong2, to well Dong 3 (Figures 5 and 13), while the Upper Jurassic Qigu Formation thickens eastward from well Dong 3 to well Fu 5, probably suggesting that after the …
The Upper Triassic to Middle Jurassic strata and floras of the …
网页2010年8月4日 · Lower Jurassic Sangonghe Formation and its florule. The Sangonghe Formation is named after the small village of Sangonghe located south of Fukang City (Fig. 1) and is widely distributed in the Junggar Basin. The formation is mainly composed of greyish-green and greyish-yellow sandstones intercalated with …
Formation and accumulation of lower Jurassic tight gas sands field …
网页2016年2月1日 · Sangonghe Formation (J 1 s) contains relatively thin and discrete tight sand reservoirs (Fig. 8). The thick coals and shales between J 1 b 3, J 1 b 2, J 1 b 1 and J 1 s are efficient source rocks providing primarily gas for tight sand reservoirs. In the meantime, these source rocks provide good sealing capacity.
网页In the Junggar Basin of northwestern China, this coal break coincides with the Sangonghe Formation, which is well exposed along the basin margins, and is mainly composed of lacustrine deposits...
Characteristics of paleoenvironmental changes from Badaowan …
网页2021年6月9日 · The sedimentary paleoenvironment background of the braided river in Badaowan Formation (J 1 b) and the lake of Lower Jurassic in Sangonghe Formation (J 1 s) in the northwest margin of Junggar Basin has always been controversial.
The sedimentological reservoir characteristics of the Jurassic ...
网页2020年10月5日 · The sedimentological heterogeneity controls reservoir quality and architecture from macro- to micro-scale. The macro-scale insights reflect that the lower and middle Sangonghe Formation shows high connectivity of sandbodies while the upper Sangonghe Formation shows low connectivity of sandbodies.
Impact of diagenesis on the sandstone reservoir quality: a
网页2021年9月16日 · The Jurassic Sangonghe sandstones are prolific oil and gas producing units in the Mosuowan area of the Junggar Basin. They are characterized by deep depth (>4km), low porosity, and low permeability. The sandstones with a relatively simple burial and thermal history have various ductile grains and secondary pores, which provide a …