Search
Search Results
-
A new insight to access carbonate reservoir quality using quality factor and velocity deviation log
Estimating wave dam** in carbonate rocks is complex due to their heterogeneous structure. For this reason, further research in this area is still...
-
A new formula of recovery factor for non-equilibrium transport of graded suspended sediment in the Middle Yangtze River
Suspended sediment concentrations in the Middle Yangtze River (MYR) reduced greatly after the Three Gorges Project operation, causing the composition...
-
Research on Main Controlling Factors of Gas Recovery Rate of Volcanic Gas Well in Xushen Gas Field
It is the main problem in gas reservoir development to determine the reasonable gas production rate, which must be solved firstly. Volcanic gas...
-
Evaluation of different methods of pillar recovery in coal mining by numerical simulation: a case study
The room-and-pillar technique is a self-supporting mining method in which part of the ore is left unmined as pillars. To increase the mining...
-
Evaluation of push–pull tracer tests for estimating groundwater velocity in a fractured-rock aquifer
Single-well tests are cost effective to estimate hydraulic parameters compared to multiwell tracer tests, but there are some drawbacks in their...
-
High-resolution shallow crustal shear wave velocity structure of Anyuan mining area and its adjacent region in Jiangxi Province, China
High-resolution seismic image is critically important for mining minerals. In this study, we collected seismic data from a local dense seismic array...
-
Three-dimensional body wave crustal velocity structure and relocation of earthquakes in the Maduo area
In this study, the double-difference tomography (tomoDD) method is applied to jointly invert the three-dimensional (3-D) crustal velocity structure...
-
Seepage Field Adjustment for Enhanced Oil Recovery in High Water Cut Oilfield
An oilfield has been developed with water-flooding for a long time, and the water cut has reached a high level. The seepage law of reservoir becomes...
-
Predicting the velocity and trajectory of a rockfall after collision considering the effects of slope properties
Rockfall events are a common geological hazard in the mountain areas of western China and frequently occur on unstable slopes. The purpose of this...
-
Optimization of surfactant-polymer flooding for enhanced oil recovery
Chemical enhanced oil recovery applications continue to face a variety of obstacles, particularly in high saline and high-temperature reservoirs, in...
-
Study on the Mechanism of Nanomaterials in Improving Oil Recovery in Unconventional Reservoirs
As the global demand for energy escalates, the depletion of conventional oil and gas reserves has necessitated a shift towards unconventional...
-
Two Unconnected Low-Velocity Zones in the Eastern Boundary of the Sichuan-Yunnan Block Revealed with High-Resolution Ambient Noise Tomography
The Anninghe-Zemuhe-**aojiang fault zone (AZXFZ) is an important boundary fault zone on the southeastern margin of the Tibetan Plateau, with frequent...
-
Simulation and performance prediction of partially naturally fractured reservoirs under solution gas drive primary recovery and gas injection processes
The study presented in this paper has multiple objectives. First, a simulation model for partially naturally fractured reservoirs under solution gas...
-
Multiscale Transport Characteristics of Coalbed Methane in Abandoned Mines and Its Applications in Gas Recovery
A considerable amount of coalbed methane (CBM) that can be extracted by surface vertical wells exists in gobs of abandoned mines. A model of CBM...
-
Molecular Simulation of Hydrocarbon Recovery from Calcite Surface with the Implications for CO2 Storage in Nanopores
Carbon neutrality is increasingly becoming a global consensus. To reduce CO2 emissions and enhance oil-in-place (OIP) recovery, sequestration of CO2...
-
Development Geological Characteristics and Technical Countermeasures for Enhancing Recovery of Keshen 8 Gas Reservoir in Kuqa Depression
In recent years, ultra deep fractured gas reservoir is a hot spot of natural gas exploration and development in Tarim Basin. This type of gas...
-
Experimental study on the evaluation of surfactant/polymer flooding for enhancing oil recovery in Kumkol Oil Field
Chemical enhanced oil recovery (EOR) methods are shown to sweep the residual oil by altering physical properties of fluids after waterflooding to...
-
Reasonable start time of carbon dioxide injection in enhanced coalbed methane recovery involving thermal-hydraulic-mechanical couplings
Injection of gas (CO 2 ) into coal seams is an effective method to benefit from both CO 2 geological storage and coalbed methane recovery. Based on the...
-
Research Status and Progress of Foam Drainage-Gas Recovery Technology in Shale Gas Wells
Shale gas is an important unconventional energy. Because of its special geological structure and complex well depth structure, it is difficult to...
-
Establishment and Determination of Matrix Shape Factor for Tectonic Coal: Theoretical, Experimental and Simulation Study
Diffusion is an important process in coalbed methane migration. In addition to diffusion coefficient, the size and shape of coal particles also have...
