Letter of Invitation

Letters of Invitation are available by request.

You may submit your request to letterofinvitation@petrophase2014.com.

Please include the following information in your request:

    • Name exactly as listed on passport
  • DateĀ  of Birth
  • Planned Travel Dates into The United States – Arrival and Departure
  • Name of US City You Plan To Arrive and Depart From
  • Your Mailing Address
  • Your Email Address

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