ConocoPhillips on Thursday reported a loss of $3.44 billion in its second quarter.
The Houston-based company who has offices in Bartlesville said it had a loss of $2.78 per share. Earnings, adjusted for non-recurring costs, were 14 cents per share.
The energy company posted revenue of $8.88 billion in the period.
ConocoPhillips shares have fallen 13 percent since the beginning of the year.
The Associated Press contributed to this report.