| 摘要 |
An apparatus for aligning a first tubular and a second tubular, in certain aspects, the first tubular extending through a power tong and the second tubular extending through a backup tong, the apparatus including positioning apparatus for guiding the power tong with respect to the backup tong and for maintaining said power tong and said backup tong in a certain juxtaposition during a tubular stabbing operation, the positioning apparatus including a plurality of spaced-apart locating rods projecting from one of said power tong and said backup tong and a plurality of spaced-apart blocks on the other of said power tong and said backup tong, and each block having a recess shaped to receive an end of one of the plurality of spaced-apart locating rods.
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