rtokens: The number of working rigs in European / Mediterranean remained unchanged this week , with 105 rigs under contract out of a total fleet of 105 , a utilization rate of 100 percent .
pos: DT NN NN IN NNS VBG IN DT NNP , VBN IN DT JJ NN IN CD , VBD CD NN .
tokens: The utilization rate for rigs working in the Gulf , based on a total fleet of 181 , was 89.5 percent .
ltokens: There were 162 rigs under contract in the U.S. Gulf as of August 30 , down one from the prior week , Offshore Data Services said .