Results 91 to 100 of about 477 (181)

A complete and continuous core record of deep-water mass transport deposits

open access: yesFrontiers in Marine Science
Mass transport deposits are a fundamental component of deep-water sedimentary systems and play a crucial role in the transportation of sediments from continental slopes to deep-sea basins.
Cong Cheng   +11 more
doaj   +1 more source

Oil and natural gas geochemistry in offshore China: Advances and challenges

open access: yesNatural Gas Industry B
For many years, oil and natural gas geochemistry has been key to hydrocarbon exploration and exploitation in offshore China. Onshore oil fields have been thoroughly explored and exploited and have now entered the later stages of development. However, the
Dujie Hou   +12 more
doaj   +1 more source

Characteristics and Genetic Mechanism of Granite Weathering Crust of Songnan Low Uplift, Qiongdongnan Basin, South China Sea [PDF]

open access: yes
Recently, a large-scale gas reservoir was discovered in granitic buried hills of the Songnan Low Uplift in the Qiongdongnan Basin. However, the strong heterogeneity of granite reservoirs limits further exploration and evaluation. Based on observations of
Jianhua Guo, Zhiyu Li, Shiqing Wu
core   +1 more source

The coupling relationships of the Oligocene fault fan system and their control over natural gas accumulation in the Qiongdongnan Basin

open access: yesNatural Gas Industry B
Oligocene (fan) delta-associated coal measures and marine source rocks are the main gas-generating source rocks in the Qiongdongnan Basin, and (fan) delta sand bodies are the dominant types of reservoirs. By comprehensively utilizing a large amount of 2D
Qingbo Zeng   +6 more
doaj   +1 more source

The majority of microorganisms in gas hydrate-bearing subseafloor sediments ferment macromolecules. [PDF]

open access: yesMicrobiome, 2023
Zhang C   +9 more
europepmc   +1 more source

Formation Mechanism of Granitic Basement Reservoir Linked to Felsic Minerals and Tectonic Stress in the Qiongdongnan Basin, South China Sea [PDF]

open access: yes
Recent exploration efforts in the Qiongdongnan Basin have revealed hydrocarbon resources within granitic basement rocks in buried hill traps. However, the formation mechanisms and primary controlling factors of these reservoirs remain poorly understood ...
Anqing Chen   +6 more
core   +1 more source

Spatial differentiation of submarine fans and distribution patterns of high-quality reservoirs in Miocene Meishan Formation, block 13-2, Lingshui Sag, Qiongdongnan Basin

open access: yesShiyou shiyan dizhi
Since the discovery of high-yield gas flows from the Miocene Meishan Formation in well LS13-C of block 13-2 in the Lingshui Sag, Qiongdongnan Basin, subsequent exploration drilling has failed to achieve commercial breakthroughs.
Wei YAO   +7 more
doaj   +1 more source

Combined control mechanism of weathering and tectonics for basement granite of Qiongdongnan Basin, South China Sea [PDF]

open access: yes
Reservoirs within buried hills in petroliferous basins represent a unique area of exploration. Recent discoveries in the Mesozoic granite buried hills of the Qiongdongnan Basin in the South China Sea show promising exploration prospects. Among these, the
Haiyang CAO   +9 more
core   +1 more source

Gas sources of marine gas hydrate systems and the critical role of fluid migration pathways in gas hydrate formation

open access: yesChina Geology
Gas hydrate systems contain large quantities of methane that may originate from biogenic, thermogenic, or mixed sources. Fluid migration pathways, including gas chimneys, faults, inclined permeable strata and diapirs, are critical for transporting ...
Jin-xiu Yang   +5 more
doaj   +1 more source

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