Analysis of the orderly distribution of oil and gas fields in China based on the theory of co-control of source and heat

Zhang, Gongcheng; Jin, Li; Lan, Lei; Zhao, Zhao

doi:10.1016/j.ngib.2015.02.005

Cited by 13 publications

(3 citation statements)

References 6 publications

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“…Junggar Basin is a large petroliferous superimposed basin in northwest China (Cao et al, 2006;Jia et al, 2010;Zhang et al, 2010;Zhang et al, 2015;Li, 2022). The Permian delta sandstone, shore-shallow lacustrine, and semideep lacustrine mudstone developed in the Junggar Basin are the most critical reservoirs and source rocks, respectively (Gong et al, 2018;Gong et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Stratigraphic Characteristics and Sediment-Filling Process of the Early Permian Fengcheng Formation in the Northwestern Margin of the Junggar Basin, Northwest China

et al. 2022

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The Permian Fengcheng Formation in the Mahu sag of the Junggar Basin is a crude oil reservoir and source rock. However, its stratigraphic characteristics, the boundary marks of the three members (lower, middle, and upper), and the sediment-filling processes are unclear. This study presents the sedimentary systems and sediment-filling processes in an intracontinental rift basin of this area using sedimentary-faces analysis, sequence stratigraphy, well logs, and two-dimensional seismic interpretations. The results show that the Fengcheng Formation consists of three third-order sequence stratigraphy (SQf1, SQf2, and SQf3). The lowest member of the Fengcheng Formation is composed of gray to dark gray thin middle layers of tuff, lacustrine dolomitic mudstone, and argillaceous dolomite near the depocenter. Tuff, siltstone, a small amount of fan–delta glutenite, volcanic breccia, and basalt are present near the fault zone. The logging curve is characterized by a high gamma-ray (GR) value, high amplitude, wavelength growth, and medium frequency. Near the depocenter, the middle member of the Fengcheng Formation comprises gray and gray–black thin layers of lacustrine muddy dolomite and dolomitic mudstone and thin sandstone and mudstone interbedded between tuff and gravel near the orogenic belt. The logging curve displays high-to-low GR values, high amplitude, short wavelength, and high frequency. The upper member of the Fengcheng Formation is not characterized by lesser tuffaceous and dolomitic components but by an increased fan–delta sandy content. Next, the bottom of the upper member is composed of lacustrine mudstone and siltstone interbedded between dolomitic mudstones; whereas, the top of the upper member is dominated by fan–delta coarse sandstone and sandy conglomerate. The logging curve shows low GR values, small amplitude, and continuous stability. The sediment-filling process of the Fengcheng Formation is controlled by fault activity. Overall, the lower and middle members of the Fengcheng Formation expand during the sediment-filling process of the lake basin of the Mahu sag; whereas, the upper member contracts. The strong uplift of the Horst near the Baiquan and Mahu orogenic belts led to an increase in provenance supply, resulting in a contraction of the southwestern margin of the lake basin during the sedimentation period from lower member to upper member of Fengcheng Formation.

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Section: Introductionmentioning

confidence: 99%

Stratigraphic Characteristics and Sediment-Filling Process of the Early Permian Fengcheng Formation in the Northwestern Margin of the Junggar Basin, Northwest China

et al. 2022

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“…The Junggar Basin is a large petroliferous basin in north Xinjiang, China (Cao et al, 2020; Zhang, Jin, Lan, & Zhao, 2015). The Zhongguai Uplift in the northwestern part of the basin has been an important oil‐producing region (Yuan et al, 2020) and is speculated to contain abundant Carboniferous gas reservoirs (Hu et al, 2020; Figure 1).…”

Section: Introductionmentioning

confidence: 99%

Bashkirian taeniate bisaccate pollen‐dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China

Shi¹,

Li²,

Amuti³

et al. 2021

Geological Journal

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ous palynological assemblages are mainly composed of spores of Lycospora spp., Densosporites spp., and Laevigatosporites spp. and monosaccate prepollen of Florinites spp. Taeniate bisaccate pollen appeared for the first time during the Early Pennsylvanian but never prevailed in the coeval palynological assemblages. Here, we report a taeniate bisaccate pollen-dominated palynological assemblage from the Jiamuhe Formation of Well Ke 85 in the Zhongguai Uplift, northwestern Junggar Basin, Xinjiang.Nineteen miospore species belonging to 14 genera were identified from the assemblage. Based on their relative abundance, one assemblage is nominated informally as Calamospora breviradiata-Lunatisporites tersus (BT) assemblage. SIMS U-Pb geochronological analysis of zircons from two volcanic ash beds from the basal and upper parts of the formation yields weighted mean 206 Pb/ 238 U dates of 316.3 ± 2.2 Ma (MSWD = 1.2, n = 19) and 316.5 ± 2.8 Ma (MSWD = 0.85, n = 20) in an ascending order. A Bashkirian age is thus assigned to the BT assemblage. Our combined palynological and geochronological investigations reveal an early stage of the rise of conifers in the Kazakhstan Plate and offer a rare glimpse into the Early Pennsylvanian land vegetation in the subtropical area at the northern hemisphere.

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“…One of the earliest offshore oil fields in China is located in the southwestern Weizhou Island of Beibu Gulf, and petroleum exploration has been conducted extensively in this shallow shelf sea area since the 1970s (Zhang et al, 2015). About 132.5 km long oil and gas pipelines are laid undersea.…”

Section: Introductionmentioning

confidence: 99%

Distribution and Sources of Polycyclic Aromatic Hydrocarbons in Marine Sediments of Areas Affected by Oil Spills in Beibu Gulf, China

Lu¹

2018

Appl. Ecol. Env. Res.

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Polycyclic aromatic hydrocarbons (PAHs) were analyzed in marine sediments sampled from an area affected by oil spills in Beibu Gulf, China, in order to determine the distribution and potential sources of these PAHs. The total PAHs concentrations presented a range from 11.30 to 141.56 ng/g with a mean value of 42.12 ng/g, which were relatively low compared to other bays around the world. The four-ring PAHs predominated in most sediment samples, accounting for an average of 41.25%. Principal component analyses (PCA) with multiple linear regression analysis (MLR) and positive matrix factorization (PMF) were used for PAHs source apportionment. The two receptor models both gave good correlation coefficients between predicted and observed PAHs concentrations (R 2 = 0.9982 to 0.9987). Three and five factors were obtained from PCA-MLR and PMF, respectively. One factor was identified by PCA as contributions from mixed sources of fuel combustion and coke production (51.44%). This factor was differentiated into two factors by PMF as contributions from fuel combustion (20.43%) and coke production (28.99%). Another PCA factor was attributed to combined coal combustion and crude oil pollution (35.23%). PMF also differentiated the factor into two factors, the percentages contributions of which were 23.10% and 13.27%, respectively. Both models gave comparable contributions from wood combustion (13.34% and 14.20%, respectively).

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Analysis of the orderly distribution of oil and gas fields in China based on the theory of co-control of source and heat

Cited by 13 publications

References 6 publications

Stratigraphic Characteristics and Sediment-Filling Process of the Early Permian Fengcheng Formation in the Northwestern Margin of the Junggar Basin, Northwest China

Stratigraphic Characteristics and Sediment-Filling Process of the Early Permian Fengcheng Formation in the Northwestern Margin of the Junggar Basin, Northwest China

Bashkirian taeniate bisaccate pollen‐dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China

Distribution and Sources of Polycyclic Aromatic Hydrocarbons in Marine Sediments of Areas Affected by Oil Spills in Beibu Gulf, China

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