The Tangsrud Wells

Updates

November 27, 2021: in the original post, the name of two wells were "Dolphin." A reader suggests that "the Continental Resources 'Dolphin play'" was (one of) the original locations Harold Hamm first bought into the Bakken forty years ago to see what the Bakken might yield. 

November 27, 2021: This is a lousy well. Does CLR have something in mind for this well?

• 24935, 216, CLR, Tangsrud 7-1H3, Hayland, t10/13; cum 48K 9/19; cum 51K 9/21;

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	9-2021	7	154	197	1310	419	332	4
BAKKEN	8-2021	21	458	390	558	899	661	7
BAKKEN	7-2021	1	28	38	4	19	7	0
BAKKEN	6-2021	14	80	114	79	297	134	1
BAKKEN	5-2021	25	153	126	34	545	255	9
BAKKEN	4-2021	30	137	124	3	738	430	1

Original Post

CLR's Tangsrud wells. Fourteen CLR Tangsrud wells in one 1280-spacing unit as of original post, September 20, 2013.

Up in Hayland oil field, far northwest corner of North Dakota, southeast corner of Divide County.

• 24967, 197, CLR, Tangsrud 9-1H, Hayland, middle Bakken, no frack data; t10/13; cum 68K 7/17; 
• 24966, 52, CLR, Tangsrud 10-1H2, Hayland, t3/15; 47K 7/17;
• 24965, 537, CLR, Tangsrud 5-1H, Hayland, t4/14; cum 63K 7/17; 2
• 24964, 390, CLR, Tangsrud 6-1H2, Hayland, t10/13; cum 46K 7/17; 
• 24936, 360, CLR, Tangsrud 8-1H1, Hayland, t10/13; cum 69K 7/17;
• 24935, 216, CLR, Tangsrud 7-1H3, Hayland, t10/13; cum 40K 7/17; see above.
  
• 24934, 76, CLR, Tangsrud 4-1H3, Hayland, "the Tangsrud is an attempt in the area to establish oil production from the 3rd bench of the Three Forks (within the lower half of the formation; identified by the North Dakota Geological Survey as "Member 2")." Later, "No oil shows were noted at the shaker while drilling the Tangsrud horizontal. Total gas reading were low (50- 60 units (100 units = 1% methane in air). No sample shows were noted while drilling the Tangsrud lateral....some very porosity was noted in the dolomite."; t1/14; cum 38K 7/17;
• 24931, 514, CLR, Tangsrud 14-1H, Hayland, t10/13; cum 50K 7/17;
• 24930, 545, CLR, Tangsrud 13-1H2, Hayland, t2/14; cum 51K 7/17;
• 24929, 995, CLR, Tangsrud 12-1H3, Hayland,on a 6-well Eco-Pad; TF 3; vertical depth and curve were drilled; then drilling paused for the drilling of #24928, #24966, and #24967; gas units very, very low (25 to 29) in TF3; even the geologist commented that "overall the well had very poor gas shows while drilling." He continued, "The daily footage was phenomenal and averaged around 2,400 feet per day; drilling was maintained almost entirely within the target zone. The proximity throughout the well to the target zone should make for a productive fracking operation; t2/14; cum 44K 7/17;
• 24928, 344, CLR, Tangsrud 11-1H1, Hayland, t2/14; cum 50K 7/17;
• 24924, 168, CLR, Tangsrud 3-1H2, Hayland, t1/14; cum 59K 7/17;
• 19107, 488, CLR, Tangsrud 2-1H, Dolphin, t11/10; cum 115K 7/17; 24 stages; 2.8 million lbs sand/ceramic; middle Bakken;
• 17649, 922, CLR, Tangsrud 1-1H, Dolphin, t7/09; cum 141K 7/17;
• 10210, 16/33, Bakken/Madison; 16/33; Condor Petroleum, Tangsrud 12-1, t12/03; t10/83; cum 24K 7/17; cum 134K 7/13; the Madison last produced in 2006; the Bakken remains barely active; a vertical well; no directional, no horizontal