10918
Including the costs of the two abandoned wells , the company said , these first prospects have added to reserves at a finding cost of about U.S. $ 2 per barrel of oil equivalent .
 U.S.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 U.S.