Performance of 13 bearing sections run in the Tatarstan Republic
In 2011-2013 13 positive displacement motors of 178 mm dia. run under control in cooperation with RIPNO Ltd. - Tatarstan. The bearing sections used were: S-178.NGT.M14 and S-178.NGT.M16. The PDM's lessee was Bureniye Ltd. 13 positive displacement motors had average overhaul period exceeding 280 hrs, proving high stable quality of the drilling equipment developed and produced at JSC «NGT»
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| PDM model, Serial number |
Cumulative operating time, hour |
Quantity of repairs, pcs |
Interrepair time, hour | |
| On PDM | Average | |||
| S-178.NGT.M14, number 223 | 871 | 4 | 218 | 280 |
| S-178.NGT.M14, number 224 | 865 | 4 | 216 | |
| S-178.NGT.M14, number 225 | 642 | 2 | 321 | |
| S-178.NGT.M14, number 226 | 789 | 3 | 263 | |
| S-178.NGT.M16, number 1 | 919 | 4 | 230 | |
| S-178.NGT.M16, number 2 | 666 | 3 | 222 | |
| S-178.NGT.M16, number 3 | 641 | 2 | 321 | |
| S-178.NGT.M16, number 4 | 871 | 3 | 290 | |
| S-178.NGT.M16, number 5 | 988 | 2 | 494 | |
| S-178.NGT.M16, number 6 | 513 | 2 | 257 | |
| S-178.NGT.M16, number 7 | 538 | 1 | 538 | |
| S-178.NGT.M16, number 9 | 830 | 3 | 277 | |
| S-178.NGT.M16, number 10 | 937 | 3 | 312 | |