2020
DOI: 10.1016/j.fuel.2019.116557
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Experimental evaluation of interlayer interference during commingled production in a tight sandstone gas reservoir with multi-pressure systems

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Cited by 40 publications
(15 citation statements)
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“…The tight gas reservoirs, which are characterized by vertical multilayer superimposition, are often developed by the multilayer coproduction technology [6,7]. However, multilayer coproduction will lead to difficulty of reservoir dynamic analysis and detailed descriptions and will affect the formulation of production measures [8][9][10]. Thus, an accurate production splitting method is needed for the commingled production well.…”
Section: Introductionmentioning
confidence: 99%
“…The tight gas reservoirs, which are characterized by vertical multilayer superimposition, are often developed by the multilayer coproduction technology [6,7]. However, multilayer coproduction will lead to difficulty of reservoir dynamic analysis and detailed descriptions and will affect the formulation of production measures [8][9][10]. Thus, an accurate production splitting method is needed for the commingled production well.…”
Section: Introductionmentioning
confidence: 99%
“…Given the problem of multi-layer co-production in gas reservoirs, many domestic scholars have carried out relevant research on production allocation and co-production effect (Liu et al 2020;Salvi and Panwar 2012;Sun et al 2019). Based on percolation theory, Liu Qiguo et al established the calculation model of production contribution of slicing by considering the wellbore reservoir effect and skin factor of each small layer (Qiguo et al 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Tight sandstone reservoirs are characterized by poor reservoir quality and complex pore throat microstructures, which make them difficult to develop and often result in low recovery factors (RFs). Accurate evaluation of the reservoir pore throat microstructure is a prerequisite for effective field development. Fractal theory is an effective method for investigating the physical properties of rocks. , This approach builds a bridge between micromorphology (pore size and shape, pore size distribution, and pore connectivity) and macroperformance (porosity and permeability) to characterize the complexity and irregularity of pore throat structures. The process of CO 2 flooding has proven to be an effective enhanced oil recovery (EOR) method in tight sandstone reservoirs. , The main mechanisms of CO 2 -EOR techniques include the (i) oil-swelling effect, (ii) viscosity reduction, (iii) light hydrocarbon extraction, and (iv) reduction of interfacial tension.…”
Section: Introductionmentioning
confidence: 99%