2019
DOI: 10.1504/ijogct.2019.099532
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Micro-fracture development impact factors analysis and its effects on well production of Hua-qing area Ordos Basin in China

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Cited by 5 publications
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“…The description of microcracks is still mainly qualitative, and the quantitative description of microcracks is relatively rare and only in the attempt stage, mainly with the help of the piezometric curve, thin section observation, and fractal technique to quantitatively characterize microcracks. The mercury pressure curve method uses the pore-throat radius corresponding to the diagonal segment in the capillary pressure curve to be equivalent to the effective pore-throat radius and studies the relationship between permeability and effective pore-throat radius to calculate the contribution of microcracks to permeability according to the cumulative permeability contribution calculation method (Zang S et al, 2012;Yu X,2009;Dong F et al, 2019). Other scholars studied coalbed methane reservoirs using the mercury pressure curve model.…”
Section: Introductionmentioning
confidence: 99%
“…The description of microcracks is still mainly qualitative, and the quantitative description of microcracks is relatively rare and only in the attempt stage, mainly with the help of the piezometric curve, thin section observation, and fractal technique to quantitatively characterize microcracks. The mercury pressure curve method uses the pore-throat radius corresponding to the diagonal segment in the capillary pressure curve to be equivalent to the effective pore-throat radius and studies the relationship between permeability and effective pore-throat radius to calculate the contribution of microcracks to permeability according to the cumulative permeability contribution calculation method (Zang S et al, 2012;Yu X,2009;Dong F et al, 2019). Other scholars studied coalbed methane reservoirs using the mercury pressure curve model.…”
Section: Introductionmentioning
confidence: 99%
“…Under high in situ stress and strong mining stress, surrounding rock masses commonly contain large amounts of fractures, including large-and medium-sized fractures as well as microfractures (fracture opening d ≤ 0:1 mm) [12][13][14]. With large deformation and continuous rheology of the surrounding rock, fractures in the rock mass are prone to squeezing and closing.…”
Section: Introductionmentioning
confidence: 99%
“…They can directly transport oil into the large fractures, which has a continuous impact on the productivity of the oil wells and can increase production. However, as reservoir's permeability increases, this promotion effect will slow down [11,12]. The capillary force is mainly manifested as imbibition and the Jamin effect in tight oil reservoirs.…”
Section: Introductionmentioning
confidence: 99%