• Green House Gas Testing
  • Petroleum Testing
  • BTU & Gas Testing
  • Natural Gas Liquids
  • Field Sampling
  • Hazardous Waste
  • Air Testing
  • Wastewater Testing
  • Sediment Testing
  • TPH Fractionation
  • 6610 Track Mounted
  • Small Footprint
  • Continuous 5' Cores
  • Hydropunch Sampling
  • Well & Vapor Probe Install


OEC is a small, woman owned enterprise providing field and laboratory services to the environmental, regulatory,and petroleum industries since 1997. Our full service analytical laboratory supports all phases of environmental investigation and monitoring. OEC also provides focused service for petroleum and production, while our fields services, both on and offshore, include sampling, field testing, monitoring, and sunstance investigations.

OEC News – Ventura Location Open!

In an effort to better serve our Southern California clientele, OEC has opened a satellite facility located at 4464 McGrath Street in Ventura, CA. If you or your company is interested in access to this office, please give us a call.

Oilfield Environmental & Compliance

307 Roemer Way, Suite #300 Santa Maria, CA 93454

Phone: (805) 922-4772
Fax: (805) 925-3376

Directions to Lab