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114.4.141.106 found what they were looking for.
06:49, 18 October 2015 | DetailsOne 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.
62.173.37.92 found what they were looking for.
13:37, 4 February 2015 | Detailsclarity in diagram is poor
185.58.14.255 found what they were looking for.
19:08, 16 March 2017 | Details