Mud Gas Separators and Flowline Degassers - Hampco Hampco developed the horizontal drill mud gas separator but also supplies any custom units according to customer specifications and preferences. We also provide complete system gas handling analysis t Hampco developed the horizontal drill mud gas separator but also supplies any custom units according to customer specifications and preferences. We also provide complete system gas handling analysis to establish the capacity of the separators in conjunction with the vent line and mud seal.