Nowadays there are two of the major classifications for crude oil are US Oil, commonly referred to as West Texas Intermediate (WTI) and UK Oil, or Brent Blend.
ປັດຈຸບັນມີການຈັດປະເພດນ້ໍາມັນດີບສອງປະເພດຄື ນ້ໍາມັນດີບຂອງສະຫະລັດ, ເຊິ່ງໂດຍ ທົ່ວໄປເອີ້ນວ່າ West Texas Intermediate (WTI) ແລະນ້ໍາມັນອັງກິດຫລື Brent Blend.