A Monster Grayson Mill Well Southeast Of Williston -- March 12, 2024

Locator: 46733B.

This is a monster well and an incredibly important well for any number of reasons.

The well:

• 39366, drl/A, Grayson Mill, Williston 30-31F XE 1H, Catwalk, t1/24; cum 62K after 28 days; FracFocus with no data yet; completion data available at the NDIC: 
  
• completed: 1/4/24
• TD: 21,010
• TVD:
• upper Bakken shale: 10,490
• middle Bakken: 10,505
• lower Bakken shhale: 10,546
• oil gravity: 41.7
• IP, 24-hour:
• 4,007 bbls crude oil
• 6,952 MCF natural gas
• date stimulated: 2023-11-06
• stages: 53
• volume: 300,107 bbls
• proppant: 12,639,260 pounds (12.6 million lbs)
• geological summary:
• a single horizontal well located on a six-well pad targeting the middle Bakken
• spud: July 1, 2023
• total lateral:
• depth: 21,010
• reached July 26, 2023
• KOP reached in upper Lodgepole at 10,035 at 12:02 p.m. CDT, July 20, 2023
• curve began: 5:11 a.m. CDT, July 21, 2023
• end of curve reached at 6:27 p.m. CDT, July 21, 2023 (13 hours drilling)
• top of the target window was set 10' into the middle Bakken and extended 18' down
• lateral:
• began at 10:05 a.m. CDT, July 23, 2023
• four hours later: mud motor failure; tripped; drilling resumed at 2:24 a.m. CDT July 24, 2024, about twelve hours later;
• wellbore remained in target window for 96.73% of the lateral section
• TD: 10,550.35 TVD, 2:19 p.m.. CDT, July 26, 2023
• so, about three days to complete the lateral with one trip, costing 12 hours
• background gas: average, 641; max, 2023 units

This was about as good as it gets.

Scout ticket:

The map: