- Dimensionless Hydraulic Fracture Conductivity = FCD
- Hall and Yarborough’s (1973) Z-factor correlation @model = HY
- Hall Plot
- Harmonic Pressure Pulsations
- Harmonic Production Decline
- Hawkins equation for mechanical skin-factor @model
- HC-Water Transition
- Head loss
- Headquarters = HQ
- Health Safety Environment (HSE)
- Heat
- Heat Capacity = C
- Heat Capacity Ratio = γ
- Heat flow
- Heat Flow in fluids @ model
- Heat Flow in porous media @ model
- Heat flux
- Heat Flux Conduction @ model (Fourier law)
- Heat Source
- Heat Source Density = qH
- Heat Transfer
- Heat Transfer Coefficient (HTC) @model
- Heat Transfer Coefficient = HTC (U)
- Heavy Oil (fluid composition)
- Helmholtz free energy (F)
- HEX (Heat Exchange Logging Tool)
- Hoist
- Homogeneous Medium
- Homogeneous reservoir
- Homogenous fluid flow
- Homogenous Reservoir
- Horizontal permeability (kh)
- Horizontal well
- Horizontal Well Flow Performance
- Horizontal well length (L_H)
- Horizontal well pressure diffusion @model
- Horner Test
- hour = hr
- HUD
- Human
- Hurst IARF Aquifer Drive @model
- Hydraulic diameter = dh
- Hydraulic diffusivity
- Hydraulic fracture
- Hydraulic Fracture @model
- Hydraulic Fracture Conductivity = FC
- Hydraulic Fracture Permeability @model
- Hydraulic Fracture Permeability = kf
- Hydrocarbon (organic chemistry) = HC
- Hydrocarbon Deposit
- Hydrocarbon Dew Point Temperature (HCDP)
- Hydrocarbon Initial In Place = HCIIP
- Hydrocarbon In Place = HCIP
- Hydrocarbon Reserves = HCR = Recoverable Hydrocarbons
- Hydrocarbon Reserves Classification
- Hydrocarbon Reserves Uncertainty
- Hydrocarbon Reservoir = HCR
- Hydrodynamic connectivity (pressure connectivity)
- Hydrogen (chemical substance)
- Hydrogen Index
- Hydrostatic pressure gradient
- Hyperbolic Production Decline
- Proppant