Engineering & Materials Science
Coal
100%
Surface active agents
70%
Oils
65%
Shale gas
62%
Gases
60%
Recovery
60%
Drainage
59%
Porosity
58%
Design of experiments
56%
Carbonates
49%
Petroleum distillates
48%
Sour gas
45%
Petroleum reservoirs
43%
Desorption
40%
Enhanced recovery
37%
Computer simulation
35%
Feedstocks
32%
Uncertainty
30%
Simulators
29%
Mechanics
28%
Sensitivity analysis
26%
Coal bed methane
25%
Ethers
24%
Water
23%
Oxidation
22%
Potential flow
19%
Effluents
19%
Methane
15%
Oxidants
14%
Atmospheric pressure
12%
Well spacing
11%
Flowing wells
11%
Oxygen
11%
Sulfur
10%
Gas compressors
10%
Flow of water
10%
Nitrogen
10%
Vapors
10%
Hydrocarbons
10%
Brines
9%
Geologic models
9%
Steam
9%
Surface tension
9%
Durability
8%
Fluids
8%
Monitoring
8%
Partial differential equations
8%
Gas meters
8%
Flow of gases
7%
Chemical Compounds
Dual Porosity
77%
Degasification
41%
Cosurfactant
40%
Gas
32%
Sulfonate
29%
Carbonate
29%
Petroleum
29%
Simulation
29%
Coal
28%
Material Balance
28%
Fracture Porosity
26%
Cyclic Ether
23%
Permeability
19%
Flow
19%
Pressure
16%
Diluting Agent
12%
Sulfur Trioxide
12%
Shaft
11%
Effective Porosity
10%
Conductivity
10%
Oxidation Reaction
9%
Surfactant
8%
Hydrocarbon
6%
Compressor
6%
Nitrogen
5%
Surface
5%
Application
5%
Heterogeneity
5%
Earth & Environmental Sciences
dual porosity
28%
modeling
22%
sensitivity analysis
19%
simulation
19%
history
19%
variogram
18%
sulfonate
18%
experimental design
16%
oil
16%
carbonate
14%
surfactant
14%
matrix
13%
ether
13%
project
12%
petroleum
12%
well
11%
test
11%
gas
8%
product
7%
permeability
6%
oxidation
6%
analysis
6%
spacing
5%
