2015 Operations
| Monday | Tuesday | Wednesday | Thursday | |
| Week of March 30 | 3/30 Moved ENID rig to M51-2015-1 and began
rotary drilling. Drilled 100' |
3/31 Drilled 100-380' | 4/1 Drilled 38-475' | |
Week of April 6 |
Did not occupy site | |||
| Week of April 13 | 4/13 Circulated/cleared out hole to 475' (M51-2015-1). Tried to log but hung up at ~399'. | 4/14 Tried to log but hung up at ~399' (same depth as previous day). Moved ENID rig off. Moved Mobile coring rig to M51-2015-1. Prepared to core. Mobile coring rig developed gasket problem with BEAN pump. Waiting on parts. |
4/15 Moved ENID rig to M51-2015-2 and rotary drilled 0 - 200'. Adjusted electrical ground on logging unit and logged newly drilled hole twice to establish repeatability. Unit appears to be functioning. | 4/16 Drilling ahead with ENID rig at M51-2015-2. |
| Week of April 20 | On site Monday afternoon. Rotary drilled with M51 rig to 280 ft. Repaired R20 rig and cored 474-479' (the elevation of this site is ~50 ft lower than Presho hole from the fall). | M51 rig drilling ahead -- drilled depth at end of day 480 ft. R20froze up at beginning of day due to unexpected drop in night temperatures; cleaned out water system and cored ahead; acquired cores 2-7 and ended at 509 ft depth. |
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| Week of May 25 | decision made to shut down coring and acquire electric logs | working on cleaning out hole for electric logging | problem with wire rope for handling drill pipe | repairing rig |
| Week of June 1 |