Results 31 to 40 of about 3,306 (156)

Geological occurrence and productivity prediction for coalbed methane of central Hunan depression, China

open access: yesFrontiers in Earth Science, 2022
To analyze the geological occurrence and predict the drainage performance of coalbed methane in the central Hunan depression of China, coal samples were collected to conduct physical experiments and numerical simulations.
Ningbo Cai   +6 more
doaj   +1 more source

The geochemical differences and origin of multilayered natural gases in marine strata, the northwestern Sichuan Basin, China

open access: yesEnergy Exploration & Exploitation
The gas-source correlation of highly mature natural gas in marine strata has always been a contentious issue due to the complexities of the petroleum systems, which involve multiple source-reservoir-cap assemblages.
Chuyuan Guo   +5 more
doaj   +1 more source

Glacial geology and till geochemistry in ore exploration in the Tervola area, southern Finnish Lapland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1998
Glacial geology and till geochemistry were studied in an ore exploration project in the Palaeoproterozoic Peräpohja Schist Belt in the Tervola area of southern Finnish Lapland. The starting point for the exploration were numerous Au-Cu-rich erratics, the
P. Sarala, V. Peuraniemi, R. Aario
doaj   +1 more source

Influence of Gas Washing and Oil Mixing on the Phase Behavior and Physical Properties of Cambrian Light Oils in the Tazhong Uplift, Tarim Basin

open access: yesEnergies
Gas washing and oil mixing have been widely studied in the Tazhong area of the Tarim Basin, but their effects on Cambrian subsaltic dolomite reservoirs have not yet been adequately explored.
Chengsheng Chen   +4 more
doaj   +1 more source

Geochemistry in geothermal exploration

open access: yesInternational Journal of Energy Research, 1985
Techniques based on the variations in composition of water, gas and stable isotopes in the liquid and gas phases of the geothermal fluids have been applied for some time now in the major geothermal fields and are now also used regularly in geothermal exploration.
F. D'amore, C. Panichi
openaire   +1 more source

Source and exploration potential of the ultra-deep Cambrian petroleum in Well XT-1, Tarim Basin, NW China

open access: yesPetroleum Exploration and Development
The ultra-deep (deeper than 8 000 m) petroleum in the platform-basin zones of the Tarim Basin has been found mainly in the Lower Paleozoic reservoirs located to the east of the strike-slip fault F5 in the north depression.
Jin SU   +13 more
doaj   +1 more source

Evolution characteristics and application of diamondoids in coal measures

open access: yesJournal of Natural Gas Geoscience, 2016
As diamondoids have been used to evaluate petroleum and source rocks widely; their origin, evolution, and distribution in petroleum as well as source rocks have attracted ever more attention.
Chenchen Fang   +3 more
doaj   +1 more source

Exhumation of the Koktokay rare-metal pegmatite group in the China Altai: insights from low-temperature thermochronology of the No. 3 pegmatite and Aler S-type granitic batholith

open access: yesFrontiers in Earth Science
The China Koktokay Pegmatite Group is an important metallogenic region where major rare-metal ores are mined. Here, we present new low-temperature thermochronological data to contribute to the understanding of the Koktokay Pegmatite Group’s exhumation ...
Haoyu Wang   +6 more
doaj   +1 more source

Differences in the Genesis and Sources of Hydrocarbon Gas Fluid from the Eastern and Western Kuqa Depression

open access: yesEnergies
The Kuqa Depression is rich in oil and gas resources and serves as a key production area in the Tarim Basin. However, controversy persists over the genesis of oil and gas in the various structural zones of the Kuqa Depression.
Xianzhang Yang   +9 more
doaj   +1 more source

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