June 1999
Supplement
99-06_1999-smith_fig2.htm (Jun-1999)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
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Fig. 2. Riser top rotating head. RiserCap, Patent No. 5,662,181 and other U.S. / foreign patents pending. Courtesy Williams Tool. |
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Copyright © 1999 World Oil
Copyright © 1999 Gulf Publishing Company
