Search
Search Results
-
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...
-
Evaluation of Foam Drainage Gas Recovery Technology Test in Xushen Gas Field in Winter
The natural gas supply and demand in Daqing oilfield varies greatly with the seasonal variation. The production in winter is 2–3 times that in...
-
Modeling Effects of Gravity on Gas Drainage in Methane-Containing Coal Seams
AbstractThe apparatus of nonstationary thermoelasticity is used to estimate the joint and separate effects of gas pressure sorption and gravity on...
-
Application and Optimization of Concentric Pipe Jet Pump Drainage Gas Production Technology in the South Area of Sulige Gas Field
Gas Wells in the south area of Sulige Gas field generally produce water and accumulated liquid. The main drainage gas recovery measures such as...
-
An Exploration of Drainage of Beam Pumper in Sulige Gas Field
The Su 43 area is a low porosity, low permeability, low pressure, and low saturation tight gas reservoir with significant reservoir differences,...
-
Quantitative Evaluation of the Impact of Different Drainage Effects on the Economic Efficiency of Gas Reservoirs – Take XX Typical Gas Reservoirs with Edge Water as an Example
In order to study the impact of different drainage wells in large water bearing gas reservoirs on the overall development efficiency of the gas...
-
Determination of dynamic drainage area of a gas condensate well, monitoring of aquifer activity, and quantitative evaluation of aquifer performance
This paper proposes a new method for interpreting the results of field studies within three steady-state regimes to estimate the dynamic well...
-
Gas drainage sealing mechanism and optimization of key leakage parameters: analysis, experiment, and field verification
Low gas drainage efficiency is one of the important factors that cause coal mine accidents. Gas leakage leads to low extraction efficiency and...
-
Numerical modeling of coal gas drainage in a three-dimensional framework
The underground coal mine is the largest source of methane generation in the mining sector. Methane is produced from underground and surface mines as...
-
Experimental Investigation of Reservoir Fluid Interlayer Crossflow Through Fracture During the Drainage Stage of Coal Measure Gas Well
Coal measure gas (CMG) development is effective to increase gas production of coalbed methane wells. However, the reservoir fluid migration law...
-
Deviation Principles of Gas Drainage Drilling in Three-Soft Outburst Coal Seams
The trajectory of the actual gas drainage drilling often deviates from the design in the process of gas control drilling construction, resulting in...
-
Gas-oil gravity drainage mechanism in fractured oil reservoirs: surrogate model development and sensitivity analysis
In this study, a surrogate model is developed based on single porosity modelling approach to predict the gas-oil gravity drainage recovery curves....
-
System-Based Identification and Formalization of Flow- and Diffusion-Type Mass Transfer Processes During Gas Drainage in Coal Seams
AbstractThe authors discuss the mechanisms of gas transfer in exposed coal on the strength of the phenomenology of coal gas content. The phenomenon...
-
Permeability improvement mechanism and application of large-diameter mechanical caving drilling technology for promoting coal gas drainage
A proper understanding of large-diameter mechanical caving drilling technology is essential, because this technology can effectively improve the...
-
Mechanism of Coal Permeability Enhancement by a Series of Mechanically Over-excavated Cavities Along Drainage Boreholes
To solve the difficult problems of gas drainage in coal seams with a high gas content and low permeability, a novel technology based on a series of...
-
Evolution of Internal Swelling Coefficient Under Different Geometric Conditions and Its Influence on Gas Drainage
Previous studies on coal permeability models have considered that the coal matrix is separated from each other. Under the influence of adsorption,...
-
Selecting the Optimal Borehole Drilling Pattern for Methane Drainage in Underground Coal Mining: A Case Study in Iran
The emission of gas from the coal seams is one of the most important issues during the underground coal mining operation. Each year, coal gas...
-
Microbial Foaming Agent Promoting Gas Field Recovery Efficiency
As gas field is getting older, it is common that liquid accumulation at the bottom of gas wells causes the sharply drop of gas production or even...
-
Scheme Design of Rebuilding Gas-Cap Sandstone Reservoirs into Underground Gas Storage
At present, the main types of underground gas storage (UGS) are depleted gas reservoir, aquifer and salt cavern, and the technology of gas-cap...
-
Impacts of forestry drainage on surface peat stoichiometry and physical properties in boreal peatlands in Finland
Management of drained peatlands may pose a risk or a solution on the way towards climate change mitigation, which creates a need to evaluate the...
