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Index Terms Links

Hole cleaning (Cont.)
minimum velocity criterion for 128
mud rings caused by inadequacies in 151 151

Homogeneous flow models 176
Horsepower 82
gas compressors 142
maximum bit hydraulic 82
requirements for 72
Hydrate balling 156
Hydraulic impact force 85

Hydraulics models 26
application examples 91
flow regimes 27
pressure loss. See Pressure loss
surge pressure 49 97 103
swab pressure 49 97

Hydraulics optimization 81
bit hydraulics 84
criteria of 81
maximum bit hydraulic horsepower 82
maximum jet impact force 83
maximum nozzle velocity 84
Hydraulics program 86

application examples 91
bit hydraulic horsepower 85
bit nozzle size 89
flow rate 89
hydraulic impact force 85

liner size 86
optimum design of 86

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