client years of operation area of operation country services
client
years of operation
area of operation
country
services
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
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text timespan text text <c,text>
agoco 1993-94 sarir field libya drilling, workover
how many years did marathon stay in operation ?
WRB JJ NNS VBD-AUX NNP VB IN NN .