| http://www.w3.org/ns/prov#value | - We also provide top drive rental services on a day-rate basis for land and offshore drilling rigs, and we provide after-market sales and support for our customers.The following is a summary of our Top Drive operating results and metrics for the three and six months ended June 30, 2014 and 2013 (in thousands, except percentages, units, days, and rate): Three Months Ended June 30, Increase / (Decrea
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