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Journal Article
Journal: AAPG Bulletin
Published: 01 March 2024
AAPG Bulletin (2024) 108 (3): 521–545.
...Jingbin Wang; Dongya Zhu; Zhiliang He; Haiming Song; Quanyou Liu; Cheng Zeng; Tianbo Yang; Qian Ding ABSTRACT The modern karst systems of Guizhou Province in southern China are examined as the key analogues for fault-controlled paleokarst reservoirs of the Shunbei oil field in the Tarim Basin...
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Photographs showing charging characteristics of bitumens from drilling cores in the Shunbei field, Tarim Basin (A–C) and Anyue gas field, Sichuan Basin (D-F), in comparison. (A) The Middle Ordovician Yijianfang Formation (O2yj) drilling cores of well SB5 at Shunbei no. 5 fault belt showing the bitumen distribution in cracks of dolomite, and the bitumen can be ignited to burn with smoke. (B) The O2yj drilling cores of well SB1-3 at Shunbei no. 1 fault belt showing the solid bitumen (SB) distribution in matrix of dolomite with fine particles. (C) Drilling cores from the well GS6 at 5035.7–5035.8 m showing SB fillings in large holes of Sinian dolomite in the Anyue gas field. (D) Transverse section of the cores from the well GS102 at 5063 m showing SB fillings in large holes of Sinian dolomite in the Anyue gas field. (E) Longitudinal section of the cores from well GS102 at 5063 m showing SB fillings in large holes of Sinian dolomite in the Anyue gas field. (F) Transverse section of the cores from well GS7 at 5327.5 m showing SB fillings in pores of Sinian dolomite in the Anyue gas field. CD = coarse-grained dolomite; FD = fine-grained dolomite.
Published: 15 January 2021
Figure 9. Photographs showing charging characteristics of bitumens from drilling cores in the Shunbei field, Tarim Basin (A–C) and Anyue gas field, Sichuan Basin (D-F), in comparison. (A) The Middle Ordovician Yijianfang Formation (O 2 yj ) drilling cores of well SB5 at Shunbei no. 5 fault belt
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Microscopic photographs showing charging characteristics in the Shunbei field, Tarim Basin (A–C) and Anyue gas field, Sichuan Basin (D–I), under transmitted light (A, D–F), cathode luminescence (G), and scanning electron microscope (B, C, H–I). (A) Solid bitumen (SB) fillings in the dolomite at 7265.4 m of well SB1-3 (polarized light). (B) Small particles of SB fillings in the dolomite at 7265.4 m of well SB1-3 (scanning electron microscope). (C) Small particles of SB fillings in small cracks of the dolomite at 7265.4 m of well SB1-3 (scanning electron microscope). (D) The SB fillings in matrix solution pores of the lower Cambrian dolomite at 4685.47 m of well MX22 (polarized light) in the Sichuan Basin. (E) The SB fillings at large holes surrounded by coarse-grained dolomite (CD) at Sinian at 5025.61 m of well GK1 in the Sichuan Basin (polarized light). (F) The SB fillings at large holes surrounded by CD at Sinian at 5517.5 m of well GS101 in the Sichuan Basin (polarized light). (G) The SB fillings at large holes surrounded by CD at Sinian at 5517.5 m of well GS101 in the Sichuan Basin (cathode luminescence). (H) The SB fillings in the holes of Sinian dolomite with the shape of spherical bulges at 5327.55 m of well GS7 in the Sichuan Basin (scanning electron microscope). (I) The SB fillings in the surface of Sinian dolomite with the shape of spherical bulges at 5034.4 m of well GS6 in the Sichuan Basin (scanning electron microscope). FD = fine-grained dolomite.
Published: 15 January 2021
Figure 10. Microscopic photographs showing charging characteristics in the Shunbei field, Tarim Basin (A–C) and Anyue gas field, Sichuan Basin (D–I), under transmitted light (A, D–F), cathode luminescence (G), and scanning electron microscope (B, C, H–I). (A) Solid bitumen (SB) fillings
Journal Article
Journal: AAPG Bulletin
Published: 01 May 2024
AAPG Bulletin (2024) 108 (5): 877–906.
...Fuyun Cong; Jinqiang Tian; Fang Hao; Qi Wang; Jianzhang Liu; Zicheng Cao ABSTRACT Recently, considerable hydrocarbon reserves have been discovered in Lower–Middle Ordovician carbonate reservoirs situated surrounding two conjugate strike-slip fault zones in the Shunbei oil field, Tarim Basin...
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(A) Distribution map of tectonic units in Tarim Basin, suggesting the tectonic location of the Shunbei oil field. (B) Paleotopographic map (AA’) from the Tahe-Shunbei to Shunnan areas, showing their tectonic locations and different distribution features of Ordovician reservoirs. The location of AA’ is marked by a dark line in (A). (C) Map of the fault systems (red lines) and the location of drilling wells in the Yuejin-Shunbei area. (D) Two-way traveltime (ms) map on the stratigraphic boundary between the Middle Ordovician and the Upper Ordovician (T74) interface in the Shunbei area, showing the possible paleokarst landforms (modified after Deng et al., 2022). Ꞓ1-3 = Lower to Upper Cambrian strata; Ꞓ1y = Lower Cambrian Yuertusi Formation; O1p = Lower Ordovician Penglaiba Formation; O1-2yj = Lower to Middle Yingshan Formation; O2yj = Middle Ordovician Yijianfang Formation; O3q = Upper Ordovician Qiaerbak Formation; O3qr = Upper Ordovician Qiaerbak Formation; O3l+s = Upper Ordovician Lianglitage Formation and Sangtamu Formation overlying O3qr.
Published: 01 March 2024
Figure 1. (A) Distribution map of tectonic units in Tarim Basin, suggesting the tectonic location of the Shunbei oil field. (B) Paleotopographic map (AA’) from the Tahe-Shunbei to Shunnan areas, showing their tectonic locations and different distribution features of Ordovician reservoirs
Journal Article
Journal: Interpretation
Published: 15 June 2021
Interpretation (2021) 9 (3): T611–T622.
...-slip faults indicates that the main strike-slip fault zones are the most favorable reservoirs in the Shunbei Oil and Gas Field. Figure 2. Stratigraphic column for the north of the Tarim Basin. The rectangles indicate the source rock (green), reservoir (yellow), and seal (red). The area...
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Petroleum evolution model for the Shunbei, Yuecan, and Tahe oil fields, northern Tarim Basin (modified from Zhu et al., 2019a). (A) At the end of the Middle Ordovician, the Lower–Middle Ordovician Yingshan (O1-2y) and Yijianfang (O2yj) Formations were exposed and subject to weathering and leaching with the formation of fractures, caverns, and vugs. (B) During the late Caledonian Orogeny (Late Ordovician–middle Silurian), the first charged oil migrated upward along near-vertical strike-slip faults and accumulated into caverns and vugs in the Ordovician carbonate reservoirs and Silurian clastic reservoir traps, forming large-scale oil accumulation. (C) During the early Hercynian Orogeny (Early Devonian), the Silurian sandstone reservoirs and Ordovician carbonate reservoirs in the Tahe area were severely damaged and experienced severe biodegradation, causing widespread occurrence of the Silurian bituminous sandstones and extraheavy or heavy oil in the underlying carbonate reservoirs. (D) During the middle–late Hercynian Orogeny (early Carboniferous–Permian), the second charged oil with higher maturity entered the Ordovician carbonate reservoirs and Silurian clastic reservoirs in the Tabei area via faults, caverns, and vugs with the formation of reservoir oils with various physical properties. (E) During the Himalayan Orogeny (Neogene), some Ordovician carbonate oil reservoirs were destroyed, and oil remigrated into the overlying Carboniferous and Triassic traps via faults to form secondary oil reservoirs. Є = Cambrian; C = Carboniferous; D = Devonian; E = Paleogene; J = Jurassic; K1bs = Bashijiqike Formation; N1j = Jidike Formation; O1p = Penglaiba Formation; O3l = Lianglitage Formation; O3q = Qiaerbake Formation; O3s = Sangtamu Formation; P = Permian; S1k = Kepingtage Formation; S1t = Tataaiertage Formation; S2y = Yimugantawu Formation; T = Triassic.
Published: 01 July 2024
Figure 18. Petroleum evolution model for the Shunbei, Yuecan, and Tahe oil fields, northern Tarim Basin (modified from Zhu et al., 2019a ). (A) At the end of the Middle Ordovician, the Lower–Middle Ordovician Yingshan (O 1-2 y) and Yijianfang (O 2 yj) Formations were exposed and subject
Journal Article
Journal: AAPG Bulletin
Published: 01 August 2024
AAPG Bulletin (2024) 108 (8): 1485–1508.
... field is located in the Akekule arch within the Tabei uplift. Several giant Paleozoic oil fields are found in the vicinity of the Tahe oil field, including the Halahatang oil field, Shunbei oil field, and Tuoputai oil field. (D) Map showing the sampling sites in this study. Figure 2...
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Journal Article
Journal: Geophysics
Published: 30 August 2024
Geophysics (2024) 89 (5): IM41–IM60.
... realistic strike-slip faulting features are simulated by using parameterized vector fields under the guidance of prior geologic knowledge of the Shunbei area. Using this workflow, we automatically synthesize 880 pairs of seismic training samples and strike-slip fault labels to train and validate the CNN...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 2024
AAPG Bulletin (2024) 108 (7): 1193–1229.
...Figure 18. Petroleum evolution model for the Shunbei, Yuecan, and Tahe oil fields, northern Tarim Basin (modified from Zhu et al., 2019a ). (A) At the end of the Middle Ordovician, the Lower–Middle Ordovician Yingshan (O 1-2 y) and Yijianfang (O 2 yj) Formations were exposed and subject...
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Journal Article
Journal: Interpretation
Published: 22 August 2022
Interpretation (2023) 11 (1): SA47–SA62.
... : Frontiers in Earth Science , 10 , 62 , doi: http://dx.doi.org/10.3389/feart.2022.840661 . Zhao R. Zhao T. Li H. L. , 2019 , Fault-controlled fracture-cavity reservoir characterization and main controlling factors in the Shunbei hydrocarbon field of Tarim Basin : Special Oil and Gas...
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Journal Article
Journal: Interpretation
Published: 12 October 2020
Interpretation (2020) 8 (4): T907–T916.
..., the accurate identification of fracture development sections not only has guiding significance for reservoir evaluation and oil-gas exploration and development, but also helps improve oil field production and bring practical economic benefits ( Liu et al., 2017 ; Hao et al., 2019 ). Shunbei no. 5 fault...
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(A) The 187Os/188Os versus 187Re/188Os for crude oils in this study. Regression of Re-Os isotopic data yields an isochron age of 276 ± 35 Ma (2 standard deviations) with an initial 187Os/188Os ratio (Osi) of 1.27 ± 0.09 (2σ). (B) Initial 187Os/188Os ratios (Osi) versus age. Samples from the Tahe and Halahatang oil fields have similar Osi values, supporting that oils in the two regions are derived from the same source rock because of their similar oil generation ages. However, samples from the Shunbei oil field have similar Osi values yet different age of oil generation compared with those from the Tahe and Halahatang oil fields. Considering the Os radiogenic growth, it is unlikely that cogenetic oils generated at different times have similar Osi values. Hence, there should have been an additional source for unradiogenic Os budget in crude oils in the Tabei uplift. Hydrothermal fluid flows associated with the 300–280 Ma Tarim large igneous province likely provide the potential Os source with unradiogenic isotopic compositions. Data sources include Tahe oil field (this study), Halahatang oil field (Ge et al., 2020), and Shunbei oil field (Wu et al., 2021). MSWD = mean square of weighted deviates.
Published: 01 August 2024
) versus age. Samples from the Tahe and Halahatang oil fields have similar Os i values, supporting that oils in the two regions are derived from the same source rock because of their similar oil generation ages. However, samples from the Shunbei oil field have similar Os i values yet different age of oil
Journal Article
Journal: AAPG Bulletin
Published: 01 February 2023
AAPG Bulletin (2023) 107 (2): 331–355.
... of the regions around the Shunbei area were reconstructed. The erosion data were first calculated by using the trend surface restoring method, then corrected with the sonic well-logging and oil field data. The key reflectors of the study area were detailed interpreted by using 3-D and 2-D seismic data to obtain...
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Model for differential petroleum accumulation mechanism during the Himalayan Orogeny. σ1 = maximum stress field; Є = Cambrian; O1P = Lower Ordovician Penglaiba Formation; O1-2Y = Lower–Middle Ordovician Yingshan Formation; O2Yj = Middle Ordovician Yijianfang Formation; SHB = Shunbei.
Published: 01 May 2024
Figure 13. Model for differential petroleum accumulation mechanism during the Himalayan Orogeny. σ 1 = maximum stress field; Є = Cambrian; O 1 P = Lower Ordovician Penglaiba Formation; O 1-2 Y = Lower–Middle Ordovician Yingshan Formation; O 2 Yj = Middle Ordovician Yijianfang Formation; SHB
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(A) The Tarim Basin is situated in northwestern China. The inset shows the national border of China in the South China Sea. (B) Geological map showing the structural units within the Tarim Basin. The Tabei uplift is located in the northern part of the Tarim Basin. (C) Simplified map showing the structural unit of the Tabei uplift. The Tahe oil field is located in the Akekule arch within the Tabei uplift. Several giant Paleozoic oil fields are found in the vicinity of the Tahe oil field, including the Halahatang oil field, Shunbei oil field, and Tuoputai oil field. (D) Map showing the sampling sites in this study.
Published: 01 August 2024
showing the structural unit of the Tabei uplift. The Tahe oil field is located in the Akekule arch within the Tabei uplift. Several giant Paleozoic oil fields are found in the vicinity of the Tahe oil field, including the Halahatang oil field, Shunbei oil field, and Tuoputai oil field. (D) Map showing
Journal Article
Journal: Interpretation
Published: 17 October 2023
Interpretation (2023) 11 (4): T769–T778.
...Jun Liu; Wei Gong; Peng Wang; Yingjun Yang; Jun You Abstract The central Tarim Basin has gained wide attention for its petroleum reserves, especially the recent commercial discovery of carbonate reservoirs of the Ordovician age in the Shunbei oil and gas field. A systematic analysis is conducted...
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Partial gas chromatograms and mass-to-charge ratio (m/z) 217 and m/z 191 mass chromatograms of the oil samples from the Shunbei (A), Yuecan (B), and Tahe (C–E) oil fields. Dia = diasterane; G = gammacerane; GC = gas chromatography; H = hopane; HP = homopregnane; P = pregnane; Ph = phytane; Pr = pristane; Te = tetracyclic terpane; Tm = 17a(H)-trisnorhopane; Ts = 18a(H)-trisnorhopane; TT = tricyclic terpane.
Published: 01 July 2024
Figure 4. Partial gas chromatograms and mass-to-charge ratio ( m/z ) 217 and m/z 191 mass chromatograms of the oil samples from the Shunbei (A), Yuecan (B), and Tahe (C–E) oil fields. Dia = diasterane; G = gammacerane; GC = gas chromatography; H = hopane; HP = homopregnane; P = pregnane; Ph
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(A) Map showing the location and major tectonic units of the Tarim Basin (modified from Cong et al., 2021). (B) Location of the study area and distribution of major strike-slip faults in the central Tarim Basin (modified from Cong et al., 2021). (C) Structure map of the upper surface of the Yijianfang (YJ) Formation showing the distribution of drilled wells and faults in the Shunbei (SHB) oil field (provided by Sinopec Northwest Company). YM = Yingmai.
Published: 01 May 2024
surface of the Yijianfang (YJ) Formation showing the distribution of drilled wells and faults in the Shunbei (SHB) oil field (provided by Sinopec Northwest Company). YM = Yingmai.
Journal Article
Journal: AAPG Bulletin
Published: 15 January 2021
AAPG Bulletin (2021) 105 (1): 65–107.
...Figure 9. Photographs showing charging characteristics of bitumens from drilling cores in the Shunbei field, Tarim Basin (A–C) and Anyue gas field, Sichuan Basin (D-F), in comparison. (A) The Middle Ordovician Yijianfang Formation (O 2 yj ) drilling cores of well SB5 at Shunbei no. 5 fault belt...
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