For oil and gas drilling natural asphalt is using as variety of organic additives such as dispersing agents, retarders or fluid loss control additives.

Natural Bitumen prevent interstitial water from filtering into the formation during cement placement, are generally polymer based.

The natural asphalt component appears to be particularly important to control fluid loss and to act as a shale inhibitor. This component working as an excellent shale stabilizer, bore hold lubricant, sealant for depleted sand, and wall cake conditioner.