frac - gas
- frac pump
- fractional load
- fractional volume
- fracture
- fracture (identification) log
- fracture (water) conductivity
- fracture detection
- fracture direction
- fracture flow; fracture conductivity capacity
- fracture plane
- fracture system
- fracture zone
- fractured formation
- fragmental debris
- fragmental material
- frame
- frame bulk modulus
- frame filter
- frame; film frame counter counter
- framing sheet pile
