2018
DOI: 10.1016/j.ptlrs.2018.11.003
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Formation condition of deep gas reservoirs in tight sandstones in Kuqa Foreland Basin

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Cited by 15 publications
(18 citation statements)
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“…The calculation based on the buoyancy formula (the dip angle of the Qibei North Fault was 17°) showed that a 5,668.93 m long continuous oil column was required to provide sufficient buoyancy to overcome the capillary pressure. Apparently, hydrocarbons could not flow into the reservoir rock sorely under buoyancy (Lu et al, 2018). By reconstructing the fluid pressure of hydrocarbons of the three emplacement stages upon trapping in the Badaowan Formation sandstone, this paper proved the continuous existence of overpressure from the first to the third stages of hydrocarbon emplacement in the Badaowan Formation, and the Formation pressure coefficient gradually climbed up from 1.15 to 1.53 (Figure 11).…”
Section: Discussionmentioning
confidence: 99%
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“…The calculation based on the buoyancy formula (the dip angle of the Qibei North Fault was 17°) showed that a 5,668.93 m long continuous oil column was required to provide sufficient buoyancy to overcome the capillary pressure. Apparently, hydrocarbons could not flow into the reservoir rock sorely under buoyancy (Lu et al, 2018). By reconstructing the fluid pressure of hydrocarbons of the three emplacement stages upon trapping in the Badaowan Formation sandstone, this paper proved the continuous existence of overpressure from the first to the third stages of hydrocarbon emplacement in the Badaowan Formation, and the Formation pressure coefficient gradually climbed up from 1.15 to 1.53 (Figure 11).…”
Section: Discussionmentioning
confidence: 99%
“…The region in the north of the Qigu North Fault is at the footwall of the Qigu North Fault, and it is referred to as the North Qigu area. In contrast, the region in the south is mainly composed of the Qigu anticline at the hanging wall of the Qigu North Fault, and it is referred to as the South Qigu area (Lu et al, 2018). The formations surviving denudation include Jurassic, Triassic, and Permian.…”
Section: Geological Settingmentioning
confidence: 99%
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“…If refracturing is carried out too late, it is easy to cause the problem that the stimulation measures of the last fracturing cannot be replaced in time, resulting in loss of production increase. Determining the reasonable timing of refracturing is an important factor to ensure the effect of refracturing [ 8 , 9 ]. In the process of gas field production, parameters such as well storage, skin, formation permeability, fracture half-length, and fracture conductivity cannot be accurately measured by instruments and equipment, which will affect the implementation of refracturing [ 10 , 11 ].…”
Section: Introductionmentioning
confidence: 99%