Feedback post on Land rigs
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114.4.141.106 found what they were looking for.
06:49, 18 October 2015One of rig component which is rotating system need updating. The lastest technology, drilling uses top drive system, kelly was not longer used in most drilling activities nowadays. Thanks.
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114.4.141.106 found what they were looking for.
06:49, 18 October 2015