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- ...is repeated until the desired trajectory is achieved. The disadvantage of jetting is that it is highly dependent on formation hardness. Some formations are t14 KB (2,167 words) - 20:46, 19 January 2022
- ...y drilling bit typically has two to four jet nozzles installed to impart a jetting action on the mud to clean the bottom of the hole. Nozzle size is variable21 KB (3,142 words) - 15:10, 24 January 2022