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Physical modeling of nitrogen slug operation in Xinjiang SAGD projects-Fundamental roles of NCG in SAGD process

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 203 ()

Non-condensable gas (NCG) co-injection in mature Steam Assisted Gravity Drainage (SAGD) chamber had been widely implemented and significant amount of ......

Characterization, controlling factors and evolution of fracture effectiveness in shale oil reservoirs

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 203 ()

Fracture effectiveness is of great significance for seeking shale oil exploration targets. The fracture effectiveness and primary controlling factors ......

Effect of water occurrence on shale seepage ability

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 204 ()

Due to the strong water absorption of clay minerals, the original water-bearing state of shale reservoirs changes after hydraulic fracturing, and the ......

Rock mechanics and wellbore stability of deep shale during drilling and completion processes

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 205 ()

The seepage coupling effect between the borehole rock mass and borehole fluid and the effective stress field distribution around the wellbore are obvi......

A novel predictive model of mixed oil length of products pipeline driven by traditional model and data

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 205 ()

Mixed oil will inevitably form during the batch transportation in products pipeline, and accurate calculation of mixed oil length is of great signific......

Influence of inlet gas volume fraction on energy conversion characteristics of multistage electric submersible pump

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 207 ()

A local-regional power loss analysis method based on multiphase computational fluid dynamics (CFD) simulation results is proposed in this study. This ......

Numerical research on the dynamic rock-breaking process of impact drilling with multi-nozzle water jets

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 207 ()

Based on the arbitrary Lagrangian-Eulerian finite element method (ALE-FEM), a coupling model for simulating the rock mass destruction process under th......

A simple analytical model of wellbore stability considering methane hydrate saturation-dependent elastoplastic mechanical properties

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 207 ()

Methane hydrates (MHs) have received widespread attention as a new clean energy resource. However, because of the sharp reduction/change in the mechan......

Nanomechanical characteristics of trapped oil droplets with nanoparticles: A molecular dynamics simulation

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 203 ()

Nanoparticles (NPs) possess great potentials in applications to enhanced oil recovery (EOR), the underlying mechanisms of which however remain to be e......

Research on synthesis and salt thickening behavior of a binary copolymer amphiphilic polymer

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 204 ()

Polymer flooding technology has become a common flooding technology in medium-high permeability reservoirs. With the gradual development of high salin......

Electroseismic and seismoelectric responses at irregular interfaces: Possible application to reservoir exploration

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 202 ()

Seismoelectric and electroseismic interface responses resulting from the electrokinetic effect are useful to study the properties of subsurface medium......

Lake basin evolution from early to Middle Permian and origin of Triassic Baikouquan oil in the western margin of Mahu Sag, Junggar Basin, China: Evidence from geochemistry

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 203 ()

Large-scale oil and gas fields have been discovered after years of petroleum exploration in Mahu Sag, Junggar Basin, confirming the significant resour......

Numerical investigation of gas permeation and condensation behavior of flexible risers

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 203 ()

Flexible risers are widely employed in deep-sea oil and gas development. Methane, carbon dioxide, water vapor, and other small molecular gases can per......

The effect of the viscosity-dependent boundary layer on tight oil flow behavior in CO2 Huff-Puff processes: A unified dimensional Pre-Darcy flow model

期刊: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2021; 204 ()

There are numerous percolation studies of unconventional reservoirs showing that in tight or low-permeability formations, the oil flow behavior could ......

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