Zobrazeno 1 - 10
of 494
pro vyhledávání: '"threshold pressure gradient"'
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Tight sandstone water-bearing gas reservoirs typically exhibit low porosity and low permeability, with reservoir rocks characterized by complex pore structures, often featuring micron-scale or smaller pore throats. This intricate reservoir structure
Externí odkaz:
https://doaj.org/article/ba5725d64ba643f9b2f7a80e27d2d287
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 14, Iss 7, Pp 2143-2155 (2024)
Abstract Pseudo threshold pressure gradient (PTPG) exists in the propped fractured reservoir, but its nonlinear flow law remains unclear. The effects of the mineral composition of shale and microstructure of fracturing fluid on PTPG were analyzed by
Externí odkaz:
https://doaj.org/article/622b3b0077a845a893e29110ba70feba
Autor:
Song Yang, Xiaofeng Tian
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 14, Iss 7, Pp 1953-1962 (2024)
Abstract Near miscibility widely exists in carbon dioxide (CO2) injection development projects. However, there is no existing approach to quantify the effect of near miscibility on oil recovery. In this paper, slim tube experiments were conducted to
Externí odkaz:
https://doaj.org/article/289073e2bb1045a0bd2aade25dab6363
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 335, Iss 6 (2024)
Relevance. The necessity to investigate the mechanism of gas (methane) flow occurring during decomposition of gas hydrate formations within the layers of bottom sediments. This process is evident through substantial releases of methane bubbles in ext
Externí odkaz:
https://doaj.org/article/b45545ccafdb494c8e36db233334de46
Publikováno v:
Petroleum, Vol 9, Iss 3, Pp 364-372 (2023)
Various mechanisms are employed to interpret the low water recovery during the shale-gas production period, such as extra-trapped water in the fracture network, water imbibition due to osmotic pressure and capillary pressure. These lead to the diffic
Externí odkaz:
https://doaj.org/article/9a4a3f95f2d54079afc4cfff689e1219
Publikováno v:
Meitan xuebao, Vol 48, Iss 8, Pp 3172-3181 (2023)
The threshold pressure gradient (TPG) of gas-liquid seepage in tight sandstone varies with the rock effective stress, that is, the dynamic threshold pressure gradient effect, its dynamic variation characteristics are controlled by the pore-throat str
Externí odkaz:
https://doaj.org/article/2c920c763b634f8a95726d4366af6932
Publikováno v:
Energies, Vol 17, Iss 11, p 2556 (2024)
Utilizing the discrete fracture model (DFM), a transient flow model is established for fractured horizontal wells in tight oil reservoirs, accounting for threshold pressure gradient (TPG), stress sensitivity effect, hydraulic fracture parameters, and
Externí odkaz:
https://doaj.org/article/b6df1647165a415692d60a34937db6af
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