Contact

Headquarters (HQ)

Oasis Petroleum Inc.
1001 Fannin Street, Suite 1500
Houston, Texas 77002

Main Number: (281) 404-9500

Owner Relations (Toll Free): (855) 209-8370
Investor Relations Number: (281) 404-9600

Field Office (FO)

5437 137th Avenue NW
Williston, North Dakota 58801

Main Number: (701) 577-1600