Field Study of Drilling Bits Performance Optimization ...
2016-5-14 · In table 8, Bit number 7 has the highest overall cost value of 27,136.24US Dollar while Bit number 8 has the least overall cost of 18,961.69US Dollar. Therefore, if all other factors are kept constant, Bit number 8 being the Bit with the lowest cost value may be recommended for this operation. From table 7,Bit number 5 has the highest overall cost value of 36,494.52US Dollar while Bit number …
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