Daobing Wang
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View article: Pore-Scale Numerical Simulation of CO2 Miscible Displacement Behavior in Low-Permeability Oil Reservoirs
Pore-Scale Numerical Simulation of CO2 Miscible Displacement Behavior in Low-Permeability Oil Reservoirs Open
CO2 miscible flooding provides dual advantages in enhancing oil recovery and facilitating geological sequestration, and has become a key technical approach for developing low-permeability oil reservoirs and carbon emission reduction. The p…
Learning curve and perioperative outcomes of robotic-assisted distal pancreatectomy: a single-center study Open
To examine the learning curve and perioperative outcomes of robotic-assisted distal pancreatectomy (RDP) conducted at a single center and to contextualize these findings against existing literature. A single expert surgical team conducted …
Gastrointestinal perforation caused by a pancreaticojejunal anastomotic stent: a postoperative case report following pancreaticoduodenectomy Open
In cases of postoperative abdominal or low back pain accompanied by signs of infection, complications related to the support tube should be considered. Further studies are needed to evaluate the necessity of placing a pancreatic duct suppo…
Acceleration and Parallelization Methods for ISRS EGN Model Open
The enhanced Gaussian noise (EGN) model, which accounts for inter-channel stimulated Raman scattering (ISRS), has been extensively utilized for evaluating nonlinear interference (NLI) within the C+L band. Compared to closed-form expression…
Optimal Design of Horizontal Well Cluster Spacing Based on Extended Finite Element and Numerical Simulation Open
As a crucial component of volumetric fracturing in unconventional oil and gas reservoirs, the design and optimization of cluster spacing significantly impact the morphology and production of fractures. Therefore, this paper establishes a m…
Study on the Migration Mechanism of Temporary Plugging Agent in Artificial Fractures of Deep Geothermal Reservoirs Based on the Euler-Euler Multiphase Flow Model Open
The successful use of temporary plugging diverting fracturing technology requires an understanding of the migration and plugging processes of temporary plugging agents into artificial fractures under high temperature settings. In this stud…
The management of pancreatic tail during robotic-assisted spleen-preserving distal pancreatectomy Open
In robotic spleen-preserving distal pancreatectomy (RSPDP), the relationship between the pancreatic tail and splenic vessels affects whether the distal pancreas can be resected completely or the spleen can be preserved successfully. Howeve…
A rapid method for the determination of stable hydrogen isotope ratios of acetic acid in vinegar Open
Rationale Vinegar is an everyday condiment made from fermented grains or fruits. It contains acetic acid which is the main organic material produced by fermentation. Vinegar suffers from the authenticity problem of exogenous adulteration d…
The migration mechanism of temporary plugging agents in rough fractures of hot dry rock: A numerical study Open
Plugging and diverting fracturing is a promising technology that aims to enhance the heat extraction efficiency in hot dry rock. The key to the success of this technique is the formation of effective plugging zones in existing fractures. H…
A numerical investigation into the propagation of acid-etched wormholes in geothermal wells Open
Carbonate geothermal reservoirs are widespread in the Beijing-Tianjin-Hebei region, and acidification stands out as the most effective method to enhance the heat recovery potential of these reservoirs. To understand the propagation pattern…
Parameter optimization study of three-dimensional well network-fracture network coupled fracturing in jimsar shale oil Open
The exploration of sweet spots in the Jimsar shale oil reservoir in Xinjiang involves creating a complex fracture network through three-dimensional well networks and advanced fracturing technology, crucial for successful shale oil reservoi…
Application of gas chromatography-stable isotope mass spectrometry to determine the oxygen isotope ratio of water in concentrated fruit juice Open
In this study, we developed a method to determine the authenticity of concentrated fruit juice using the δ18O ratio of water. We utilized the gas chromatography-isotope ratio mass spectrometry (GC-IRMS) technique along with the offline iso…
A review of reservoir damage during hydraulic fracturing of deep and ultra-deep reservoirs Open
Deep and ultra-deep reservoirs have gradually become the primary focus of hydrocarbon exploration as a result of a series of significant discoveries in deep hydrocarbon exploration worldwide. These reservoirs present unique challenges due …
Comparative experimental investigation on permeability and pressure bearing capacity of different types of temporary plugging bodies Open
Temporary plugging and diversion fracturing technology play a vital role in boosting the production of tight reservoirs. The increase of net pressure in fractures is the core of temporary plugging diversion fracturing, which is closely rel…
Coupled heat-fluid-solid numerical study on heat extraction potential of hot dry rocks based on discrete fracture network model Open
Fracture networks within hot dry rock (HDR) geothermal reservoirs are complex, and heat extraction via water injection is thus a coupled process of heat-fluid-solid multifield. In this paper, utilizing the theory of normally distributed ra…
View article: Numerical Simulation of Diverter Materials in Hydraulic Fractures During Refracturing
Numerical Simulation of Diverter Materials in Hydraulic Fractures During Refracturing Open
Refracturing has become an important technique for increasing hydrocarbon production due to the low oil prices. During refracturing, the granular diverter materials are injected to temporarily seal old fractures in subsurface. These divert…
Numerical Simulation Study on Temporary Well Shut-In Methods in the Development of Shale Oil Reservoirs Open
Field tests indicate that temporary well shut-ins may enhance oil recovery from a shale reservoir; however, there is currently no systematic research to specifically guide such detailed operations in the field, especially for the design of…
A Review of Development and Utilization for Edible Fungal Polysaccharides: Extraction, Chemical Characteristics, and Bioactivities Open
Edible fungi, commonly known as mushrooms, are precious medicinal and edible homologous gifts from nature to us. Because of their distinctive flavor and exceptional nutritional and medicinal value, they have been a frequent visitor to peop…
Height Effect on Interactions between the Hydraulic Fracture and Natural Fractures Open
Since natural fractures have shorter heights, it is necessary to incorporate the height difference in the mechanical behavior of hydraulic fracture crossing cemented natural fractures at different angles. However, the impact of fracture he…
View article: Temperature–Magnetic Field Dual-Parameter Sensor Based on Circular Lattice Photonic Crystal Fiber
Temperature–Magnetic Field Dual-Parameter Sensor Based on Circular Lattice Photonic Crystal Fiber Open
This paper proposed and investigated a sensor that could simultaneously measure temperature and magnetic fields. The key component of this sensor was a photonic crystal fiber with a length of only 1 cm, whose air holes were arranged in a c…