British Petroleum is cutting 200 onshore staff and 100 contractors.
A Houston-area man is among workers killed in a hostage standoff at an Algerian natural gas plant last week.
BP has agreed to settlement for the 2010 oil spill in the Gulf of Mexico.
The fossil fuel industry has been a staple in Texoma for over a century,
but a relative new-comer in the energy field is starting to turn heads.
Work on BP's Trinity Hills Windfarm is in the final stages. The facility is expected to go online in about 6 weeks.