Random Look At A 5-Well Grail Pad -- December 6, 2015

Updates

April 16, 2017: there are not eight (8) wells on this pad; in addition to the earlier five, add these three:
33267, SI/NC,
33268, SI/NC,
33269, SI/NC,

December 7, 2015: a similar, but perhaps less dramatic, example can be seen with the QEP Johnson wells in section 4-149-95 (#19680, #25490 - #25493, inclusive), another 5-well pad. 

Original Post 

As you go through this long post, note:

• this is a five-well pad; the index well was drilled in 2010; the latest wells in 2014
• the first well was a Three Forks well at a time when most wells being drilled with middle Bakken
• one of the five wells was stimulated twice (it's possible others were but I missed them, although I doubt it)
• note the location of the laterals, and the date of the stimulations
• the index well, the oldest well, is a Three Forks well
• the two wells nearest it, on either side were middle Bakken wells
• the nearest Three Forks well was twice the distance to the index well as the neighboring middle Bakken wells
• the distance between each of the laterals is about 50 feet
• vertical separation between middle Bakken target and Three Forks target was about 150 feet
• the index well was a Helis well, and planning forms and data were in Helis format
• the four newer wells were QEP wells; planning forms and data were in QEP format 
• a reminder that Lynn Helms once said that the Three Forks may, in fact, result in better wells than the middle Bakken 
• Pythagorean theorem: a^2 + b^2 = c^2

More commentary will follow but this is enough for now. In anticipation of that commentary, you may want to refresh your understanding of porosity and permeability. The petrogeology of the Bakken, porosity and permeability here.

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The Wells

Disclaimer: in a long note like this there will be typographical and factual errors. In addition, because I have no formal training or background in the oil and gas industry, there are things I post but do not understand. I may be missing things and may be misinterpreting things. I may be seeing more than there actually is. Do not quote me on any of this. If this stuff is important to you, go to the source. 

I posted this yesterday but did not get a chance to look at it more closely; it was late, I was tired.

But this well has an incredible story -- at least the very little we know about it.

There are five wells on this pad. This one runs right down the center and was drilled/completed some time ago. Later, four more wells were drilled/completed, with two wells one each side of the well in question.

Here is the graphic of the 5-well pad:

Abbreviated synopsis of the five wells, when they were tested, which usually occurs soon after they are fracked/completed:

• 18973, 10/25/10; Three Forks target at 10,750 feet; frack data not provided; API 33-053-03156-00-00;
• 28165 [stimulated twice], 10/25/14, middle Bakken stimulated 8/9/15 with 36 stages, 7.7 million lbs, IP, 2,117; middle Bakken stimulated 10/20/14 with 32 stages, 5.4 million lbs, IP, 1,444; middle Bakken target at 10,600 feet
• 28166, 10/23/14, middle Bakken, 33 stages, 8.6 million lbs; target at 10,600 feet.
• 28167, 10/21/14, stimulated the Three Forks, on 10/13/14, 39 stages, 9.9 million lbs; Three Forks target at 10,675 feet
• 28168, 12/10/14, the last sundry form, received June, 2015: QEP plans to re-frack this well; it will run new casing and complete stages 5 - 30 via sliding sleeves and will plug and perf stages 8 - 10 across stages 30 - 39 of the original sliding sleeves). The plug and perf is being done to the stages in which the sliding sleeves have been compromised. Original frack: 36 stages, 4.6 million lbs; middle Bakken target at 10,600 feet.

Note the jump in production for this well; sundry forms do not shed any light on reason for jump in production; we saw something similar about a year ago:

18973, 2,579, QEP/Helis, State 1-16/21H, Blue Buttes, a Three Forks well, t10/25/2010; cum 567K 10/15; inactive 4/14; looks like it might be back on line as of 10/14; yes, now shown to be active, 12/14; huge jump in production in 12/14; coming back on line after permission to commingle production from multiple wells; large production number could be due to 'mis-allocation' during early commingling; random update, March 20, 2015; random update, May 7, 2015; [note: the scout ticket shows this well in the Blue Buttes oil field, but it is clearly in the Grail oil field, and the scout tickets of its sister wells all show the Grail oil field. A file report has "Grail" typed in and then crossed out in ink and handwritten "Blue Buttes." The geologist's narrative also calls it a "Blue Buttes" well. The very earliest maps show the well clearly in the Grail oil field.

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2015	31	20491	20692	7920	30519	21730	8789
BAKKEN	9-2015	30	15508	15186	16564	20487	14227	6170
BAKKEN	8-2015	2	117	132	35	161	154	6
BAKKEN	7-2015	18	1677	1734	1300	2422	1696	715
BAKKEN	6-2015	30	7075	7144	2679	7512	5176	2303
BAKKEN	5-2015	31	8855	8829	2771	9169	8512	589

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Of the four 28XXX wells, #28167, #28166, and #28165 are  most noteworthy with regard to the oldest well on that pad, #18973. Here is the scout ticket for #28167, Three Forks:

NDIC File No: 28167     API No: 33-053-05827-00-00     CTB No: 218973 Well Type: OG     Well Status: A     Status Date: 10/21/2014     Wellbore type: Horizontal Location: NWNE 16-150-95     Footages: 553 FNL 1325 FEL     Latitude: 47.816937     Longitude: -102.839022 Current Operator: QEP ENERGY COMPANY Current Well Name: STATE 2-16-21TH Elevation(s): 2262 KB   2232 GR   2234 GL     Total Depth: 20948     Field: GRAIL Spud Date(s):  5/24/2014 Casing String(s): 9.625" 1818'   7" 11004'   Completion Data    Pool: BAKKEN     Perfs: 11004-20948     Comp: 10/21/2014     Status: F     Date: 10/21/2014     Spacing: 2SEC Cumulative Production Data    Pool: BAKKEN     Cum Oil: 296298     Cum MCF Gas: 417500     Cum Water: 62290 Production Test Data    IP Test Date: 10/21/2014     Pool: BAKKEN     IP Oil: 2761     IP MCF: 3951     IP Water: 1346

Monthly Production Data Pool Date Days BBLS Oil Runs BBLS Water MCF Prod MCF Sold Vent/Flare BAKKEN 10-2015 28 26663 26517 6031 40095 28548 11547 BAKKEN 9-2015 0 0 0 0 0 0 0 BAKKEN 8-2015 0 1 111 0 0 0 0 BAKKEN 7-2015 17 11577 11691 1282 16374 11469 4832 BAKKEN 6-2015 26 21456 21697 5691 39167 27036 12030 BAKKEN 5-2015 31 29101 28981 4785 55421 51623 3574 BAKKEN 4-2015 29 27372 27563 6790 40515 35226 5080 BAKKEN 3-2015 22 20286 20075 4493 22698 20234 2321 BAKKEN 2-2015 18 17932 18077 2802 21861 18362 3191 BAKKEN 1-2015 31 33905 33868 5942 41700 0 41324 BAKKEN 12-2014 29 37980 38041 6000 47603 0 47247 BAKKEN 11-2014 25 49630 49395 10433 60573 0 60204 BAKKEN 10-2014 31 20395 20116 8041 31493 0 31367

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Here is the scout ticket for #28165, middle Bakken:

NDIC File No: 28165     API No: 33-053-05825-00-00     CTB No: 218973
Well Type: OG     Well Status: A     Status Date: 8/14/2015     Wellbore type: Horizontal
Loc: NENE 16-150-95     Footages: 553 FNL 1250 FEL     Lat: 47.816938     Lon: -102.838716
Current Operator: QEP ENERGY COMPANY
Current Well Name: STATE 1-16-21BH
Elevation(s): 2262 KB   2232 GR   2234 GL     Total Depth: 20525     Field: GRAIL
Spud Date(s):  5/21/2014
Casing String(s): 9.625" 1818'   7" 10926'  
Completion Data
   Pool: BAKKEN     Perfs: 10926-20525     Comp: 10/25/2014     Status: F     Date: 8/14/2015     Spacing: 2SEC
Cumulative Production Data
   Pool: BAKKEN     Cum Oil: 118572     Cum MCF Gas: 145574     Cum Water: 48769
Production Test Data
   IP Test Date: 10/25/2014     Pool: BAKKEN     IP Oil: 1444     IP MCF: 2361     IP Water: 942

Monthly Production Data

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2015	31	22851	23369	6715	31547	22462	9085
BAKKEN	9-2015	29	29085	28626	8105	37827	26267	11391
BAKKEN	8-2015	11	17759	17557	7045	16638	15874	614
BAKKEN	7-2015	0	0	0	0	0	0	0
BAKKEN	6-2015	0	0	0	0	0	0	0
BAKKEN	5-2015	0	0	0	0	0	0	0
BAKKEN	4-2015	0	0	0	0	0	0	0
BAKKEN	3-2015	0	0	11	0	0	0	0
BAKKEN	2-2015	1	584	700	182	714	600	104
BAKKEN	1-2015	13	8815	8832	3098	9210	0	9112
BAKKEN	12-2014	23	12088	12166	5019	14246	0	14133
BAKKEN	11-2014	27	21431	21291	12279	25501	0	25342
BAKKEN	10-2014	31	5959	5877	6326	9891	0	9854

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Here is the scout ticket for #28166:

NDIC File No: 28166     API No: 33-053-05826-00-00     CTB No: 218973
Well Type: OG     Well Status: A     Status Date: 10/23/2014     Wellbore type: Horizontal
Loc: NENE 16-150-95     Footages: 553 FNL 1275 FEL     Lat: 47.816938     Long: -102.838818
Current Operator: QEP ENERGY COMPANY
Current Well Name: STATE 2-16-21BH
Elevation(s): 2262 KB   2232 GR   2234 GL     Total Depth: 20747     Field: GRAIL
Spud Date(s):  5/22/2014
Casing String(s): 9.625" 1818'   7" 10912'  
Completion Data
   Pool: BAKKEN     Perfs: 10912-20747     Comp: 10/23/2014     Status: F     Date: 10/23/2014     Spacing: 2SEC
Cumulative Production Data
   Pool: BAKKEN     Cum Oil: 215266     Cum MCF Gas: 276540     Cum Water: 87243
Production Test Data
   IP Test Date: 10/23/2014     Pool: BAKKEN     IP Oil: 2204     IP MCF: 3091     IP Water: 1582

Monthly Production Data

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2015	25	10850	10972	5476	14010	9975	4035
BAKKEN	9-2015	15	7915	7786	4821	9171	6365	2760
BAKKEN	8-2015	7	4402	4513	1960	5658	5412	209
BAKKEN	7-2015	31	16863	16772	4362	21492	15046	6340
BAKKEN	6-2015	26	6490	6624	3432	6936	4779	2126
BAKKEN	5-2015	31	12909	12856	2440	13337	12380	857
BAKKEN	4-2015	30	12121	12506	3297	12870	11167	1610
BAKKEN	3-2015	31	19987	19764	5595	23128	20622	2365
BAKKEN	2-2015	20	16841	16922	4590	20901	17560	3051
BAKKEN	1-2015	31	28058	27941	9067	34444	0	34133
BAKKEN	12-2014	29	24147	24258	8581	31175	0	30949
BAKKEN	11-2014	30	38553	38375	25356	59651	0	59364
BAKKEN	10-2014	31	16130	15909	8266	23767	0	23668

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And, finally the scout ticket for the last well, #28168, the farthest well to the west:

NDIC File No: 28168     API No: 33-053-05828-00-00     CTB No: 218973
Well Type: OG     Well Status: A     Status Date: 12/10/2014     Wellbore type: Horizontal
Loc: NWNE 16-150-95     Footages: 553 FNL 1350 FEL     Lat: 47.816936     Long: -102.839124
Current Operator: QEP ENERGY COMPANY
Current Well Name: STATE 3-16-21BH
Elevation(s): 2262 KB   2232 GR   2234 GL     Total Depth: 21097     Field: GRAIL
Spud Date(s):  5/28/2014
Casing String(s): 9.625" 1819'   7" 10950'  
Completion Data
   Pool: BAKKEN     Perfs: 10950-21097     Comp: 12/10/2014     Status: F     Date: 12/10/2014     Spacing: 2SEC
Cumulative Production Data
   Pool: BAKKEN     Cum Oil: 12882     Cum MCF Gas: 12876     Cum Water: 11907
Production Test Data
   IP Test Date: 12/10/2014     Pool: BAKKEN     IP Oil: 649     IP MCF: 616     IP Water: 122

Monthly Production Data

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2015	23	5490	5456	7470	6708	4776	1932
BAKKEN	9-2015	0	0	0	0	0	0	0
BAKKEN	8-2015	0	0	12	0	0	0	0
BAKKEN	7-2015	2	1263	1251	12	1394	975	411
BAKKEN	6-2015	0	0	0	0	0	0	0
BAKKEN	5-2015	0	0	0	0	0	0	0
BAKKEN	4-2015	0	0	0	0	0	0	0
BAKKEN	3-2015	0	0	0	0	0	0	0
BAKKEN	2-2015	0	0	16	0	0	0	0
BAKKEN	1-2015	14	1102	1126	940	1379	0	1367
BAKKEN	12-2014	22	3393	3353	2161	3087	0	3055
BAKKEN	11-2014	0	0	22	0	0	0	0
BAKKEN	10-2014	19	1634	1612	1324	308	0	298

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This is the scout ticket and full production record for the index well:

NDIC File No: 18973     API No: 33-053-03156-00-00     CTB No: 218973
Well Type: OG     Well Status: A     Status Date: 10/23/2010     Wellbore type: Horizontal
Loc: NENE 16-150-95     Footages: 550 FNL 1300 FEL     Lat: 47.816946     Long: -102.838920
Current Operator: QEP ENERGY COMPANY
Current Well Name: STATE 1-16/21H
Elevation(s): 2266 KB   2232 GR   2232 GL     Total Depth: 20015     Field: BLUE BUTTES
Spud Date(s):  7/4/2010
Casing String(s): 9.625" 1837'   7" 10937'  
Completion Data
   Pool: BAKKEN     Perfs: 10937-20015     Comp: 10/23/2010     Status: AL     Date: 11/18/2011     Spacing: 2SEC
Cumulative Production Data
   Pool: BAKKEN     Cum Oil: 567032     Cum MCF Gas: 628772     Cum Water: 103888
Production Test Data
   IP Test Date: 10/25/2010     Pool: BAKKEN     IP Oil: 2579     IP MCF: 3375     IP Water: 858

Monthly Production Data

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2015	31	20491	20692	7920	30519	21730	8789
BAKKEN	9-2015	30	15508	15186	16564	20487	14227	6170
BAKKEN	8-2015	2	117	132	35	161	154	6
BAKKEN	7-2015	18	1677	1734	1300	2422	1696	715
BAKKEN	6-2015	30	7075	7144	2679	7512	5176	2303
BAKKEN	5-2015	31	8855	8829	2771	9169	8512	589
BAKKEN	4-2015	30	9174	9358	3964	10417	9043	1304
BAKKEN	3-2015	31	11168	11032	3505	10588	9428	1081
BAKKEN	2-2015	28	8865	8753	4064	10435	8761	1522
BAKKEN	1-2015	12	4012	4099	1069	2550	0	2505
BAKKEN	12-2014	30	12206	12061	4779	14089	0	13975
BAKKEN	11-2014	30	0	0	0	0	0	0
BAKKEN	10-2014	31	0	0	0	0	0	0
BAKKEN	9-2014	0	0	0	0	0	0	0
BAKKEN	8-2014	0	0	0	0	0	0	0
BAKKEN	7-2014	0	0	0	0	0	0	0
BAKKEN	6-2014	0	0	0	0	0	0	0
BAKKEN	5-2014	1	1	1	0	231	0	0
BAKKEN	4-2014	25	5465	5790	587	408	0	0
BAKKEN	3-2014	31	5599	5821	607	2597	2176	0
BAKKEN	2-2014	28	4490	4158	368	4632	4252	0
BAKKEN	1-2014	31	5299	5296	487	6337	5920	0
BAKKEN	12-2013	29	7199	7195	690	8399	8038	0
BAKKEN	11-2013	30	5073	5227	382	4143	3754	0
BAKKEN	10-2013	30	6932	6825	665	6137	5740	0
BAKKEN	9-2013	30	5172	5145	418	4143	3735	0
BAKKEN	8-2013	31	5205	5319	459	3525	3128	0
BAKKEN	7-2013	29	4483	4461	450	4478	4084	0
BAKKEN	6-2013	30	4947	4847	367	4531	4531	0
BAKKEN	5-2013	31	5247	5341	492	5396	5396	0
BAKKEN	4-2013	30	7622	7631	835	9497	9497	0
BAKKEN	3-2013	31	8783	8689	974	8374	8374	0
BAKKEN	2-2013	28	7088	7021	545	3926	3926	0
BAKKEN	1-2013	31	1617	1769	155	2004	2004	0
BAKKEN	12-2012	31	7838	7730	840	7898	7898	0
BAKKEN	11-2012	30	7881	7892	882	7029	7029	0
BAKKEN	10-2012	31	8392	8229	865	7193	7193	0
BAKKEN	9-2012	30	7825	7902	850	8774	6459	2315
BAKKEN	8-2012	31	8604	8720	920	12722	12522	200
BAKKEN	7-2012	31	8625	8615	854	11110	7840	3270
BAKKEN	6-2012	30	8958	8942	947	12932	11392	1540
BAKKEN	5-2012	31	11953	11999	1319	15870	15570	300
BAKKEN	4-2012	19	8911	9154	1052	8389	8389	0
BAKKEN	3-2012	16	9513	9122	849	8992	8992	0
BAKKEN	2-2012	5	1063	1528	107	1305	1305	0
BAKKEN	1-2012	31	10453	10206	907	11064	11064	0
BAKKEN	12-2011	31	9711	9582	905	8891	8891	0
BAKKEN	11-2011	12	7036	8098	512	4896	4896	0
BAKKEN	10-2011	31	12017	11875	1285	12710	9279	3431
BAKKEN	9-2011	30	12671	12759	1409	12435	5335	7100
BAKKEN	8-2011	31	14930	14982	1752	18530	7350	11180
BAKKEN	7-2011	26	17026	15695	2034	19551	19221	330
BAKKEN	6-2011	20	10851	11925	1252	15184	14754	430
BAKKEN	5-2011	29	17227	17806	1764	15862	13412	2450
BAKKEN	4-2011	29	20033	19476	2065	19146	14194	4952
BAKKEN	3-2011	31	23857	24083	2404	29419	28599	820
BAKKEN	2-2011	26	20948	20562	1911	19134	11034	8100
BAKKEN	1-2011	30	21591	21426	1812	24457	23748	709
BAKKEN	12-2010	29	32169	32642	3010	39155	31452	7703
BAKKEN	11-2010	30	40400	40732	9039	54802	10942	43860
BAKKEN	10-2010	8	17179	15529	5211	24215	0	24215