text: # -*- coding: utf-8 -*-
  """
  Various petrophysical models
  """
  
  from .hydro import permeabilityEngelhardtPitter
  from .modelling import (JointPetroInversion, PetroInversion,
                          PetroJointModelling, PetroModelling)
  from .resistivity import (resistivityArchie, transFwdArchiePhi,
                            transFwdArchieS, transInvArchiePhi, transInvArchieS)
  from .velocity import (slownessWyllie, transFwdWylliePhi, transFwdWyllieS,
                         transInvWylliePhi, transInvWyllieS)
  
  __all__ = [name for name in dir() if '_' not in name]
  