Enhanced Oil Recovery and Geothermal

Areal extent of heated zone

10.1

Average reservoir temperature in a cyclical steam injection process

10.2

Bottomhole pressure in a static geothermal well

10.3

Chromatographic lag in polymer flooding

10.4

Cumulative heat injected for steam drive – Myhill and Stegemeier

10.5

Depth of carbon dioxide alteration front (Battlet-Gouedard, 2006)

10.6

Depth of carbon dioxide alteration front (Kutchko, 2008)

10.7

Dimensionless heat injection rate (Gringarten and Sauty)

10.8

Dimensionless injection rate of air for in-situ combustion

10.9

Dimensionless ratio of effective volumetric heat capacity of injected steam to that of the steam zone

10.10

Dimensionless time for semi-steady state flow in coal bed methane reservoirs

10.11

Dimensionless time in wet combustion by Kuo

10.12

Dykstra-Parsons coefficient

10.13

Effective (apparent) transmissivity

10.14

Effective oil transmissivity for thermal stimulation

10.15

Equivalent atomic H/C ratio of fuel for in-situ combustion

10.16

Equivalent volume of steam injected – Myhill and Stegemeier

10.17

Equivalent water saturation in burned zone in-situ combustion by Nelson

10.18

Estimates of cumulative oil displacement

10.19

Estimates of oil displacement rate

10.20

Estimating fraction of heat injected in latent form (steam-drive)

10.21

Estimating heat injection rate (steam-drive)

10.22

Estimating performance prediction of steam-drive reservoirs (cumulative oil produced)

10.23

Estimating recovery steam drive (volume of steam in reservoir)

10.24

Estimating steady-state five-spot injection rate (steam-drive)

10.25

Estimating volume of steam injection (steam-drive)

10.26

Fraction of heat injected in latent form – Myhill and Stegemeier

10.27

Fraction of injected heat remaining in reservoir

10.28

Fractional flow of water in hot floods dependent on temperature and saturation in hot water flood

10.29

Growth of steam-heated area – Marx-Langenheim

10.30

Heat loss over an incremental length of a well (two-phase flow)

10.31

Heat ratio of contents in a geothermal reservoir

10.32

Heat released during in-situ combustion – Burger & Sahuguet

10.33

Heat remaining in reservoir – Marx and Langenheim

10.34

Horizontal well breakthrough time in a bottom-water-drive reservoir

10.35

Ignition delay time in in-situ combustion

10.36

Injected air required to burn through unit bulk of reservoir for in-situ combustion by Nelson and McNiel

10.37

Mass of fuel burned per unit bulk reservoir volume combustion – Nelson and McNiel

10.38

Minimum air flux required for advance of fire front – Nelson and McNiel

10.39

Oil breakthrough newly swept zone

10.40

Oil recovery as a function of the fraction of oil displaced from heated zone

10.41

Oil solubilization factor

10.42

Oil volume at breakthrough by Craig, Geffen, and Morse

10.43

Oil-steam ratio – Marx and Langenheim

10.44

Proppant settlement in fracture

10.45

Rate of advancement of combustion front (in-situ combustion)

10.46

Rate of growth of heated zone in hot water heated reservoir

10.47

Rate of oxygen-reacted per unit mass of fuel

10.48

Relationship with real and dimensionless time in hot water floods

10.49

Reservoir flow for gas flow in a formation

10.50