ONEOK Field Services

ONEOK Field Services

ONEOK Field Services

ONEOK Field Services has natural gas gathering, processing and fractionation operations in the Anadarko Basin of Oklahoma and the Hugoton and Central Kansas Uplift basins of Kansas.

ONEOK Field Services has more than 10,000 miles of gathering pipelines with approximately 0.6 billion cubic feet per day of capacity at nine processing plants.


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The national Call Before You Dig number, 811, was created to help protect you from unintentionally hitting underground utility lines while working on digging projects.

One call to 811 gets your underground utility lines marked for free!


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  • Phone Customer Service Shareholder Inquiries:
    1-877-208-7318

  • E-MailContact ONEOK Partners

  • 811 logoCall 811 before you dig.

  • For questions about a ONEOK Partners' Schedule K-1, please call
    1-800-371-2188.