Sept 16 ops
arrived on site 0810. changed out bit to drag bit. went hole 0850.
times below refer to time required to drill one foot:
0857 time 14 min/ft using 150 psi down pressure [fluid pressure 150 psi] (cored but only recovered ~1 ft -- remainder probably slipped out of core barrel)
1020 9 min/ft down pressure 200 psi [fludide pressure between 175 - 200 psi]
1119 7 min/ft (for 129' core)
core 17 1239 13 min./ft
core 18 8 min/ft [280 psi down pressure]
core 21 1707 11 min./ft (300 psi down pressure)
Ended day at 154 ft depth.
Personnel on site:
T. Miller | A. Freye | J. Allen |
A. Jensen | D. Soeder | R. Thorne |
S. Jensen | W. Christense | W. Roggenthen |