Koch 12-13 Seppala SBRRU

API 4006320129 · Harding County, South Dakota · Buffalo field

Plugged and AbandonedAir Injection

API

4006320129

Operator

Continental Resources Inc.

County

Harding

Field

Buffalo

Location

SWNW Sec 13 Twp 020N Rng 04E

Permit

794

Production

87 monthly filings with South Dakota, Jun 1977 to Nov 1996. Each product is in its own unit and the four are never added.

Cumulative oil

25,683 bbl

Cumulative gas

2,179 MCF

Cumulative water

50,200 bbl

Period	Oil (bbl)	Gas (MCF)	Water (bbl)	Days
Nov 1996	0	0	0	—
Jul 1984	0	0	0	—
Jun 1984	—	—	—	—
May 1984	—	—	—	—
Apr 1984	—	—	—	—
Mar 1984	—	—	—	—
Feb 1984	—	—	—	—
Jan 1984	—	—	—	—
Dec 1983	—	—	—	—
Nov 1983	—	—	—	—
Oct 1983	28	2	64	4
Sep 1983	272	23	480	30
Aug 1983	229	19	496	31
Jul 1983	368	31	341	31
Jun 1983	224	19	480	30
May 1983	275	23	403	31
Apr 1983	330	28	450	30
Mar 1983	325	28	496	31
Feb 1983	278	24	308	28
Jan 1983	344	29	310	31
Dec 1982	306	26	527	31
Nov 1982	282	24	420	30
Oct 1982	258	22	465	31
Sep 1982	418	36	540	30
Aug 1982	474	40	248	31
Jul 1982	301	26	465	31
Jun 1982	383	33	390	30
May 1982	296	25	465	31
Apr 1982	309	26	450	30
Mar 1982	335	28	465	31
Feb 1982	272	23	448	28
Jan 1982	304	26	341	31
Dec 1981	294	25	527	31
Nov 1981	289	25	420	30
Oct 1981	268	23	434	31
Sep 1981	298	25	540	30
Aug 1981	321	27	558	31
Jul 1981	297	25	434	31
Jun 1981	281	24	450	30
May 1981	284	24	620	31
Apr 1981	368	31	240	30
Mar 1981	341	29	496	31
Feb 1981	289	25	392	28
Jan 1981	250	21	992	31
Dec 1980	280	24	930	31
Nov 1980	351	30	390	30
Oct 1980	258	22	620	31
Sep 1980	365	31	630	30
Aug 1980	428	36	500	25
Jul 1980	365	31	620	31
Jun 1980	400	34	570	30
May 1980	371	32	589	31
Apr 1980	324	28	600	30
Mar 1980	235	20	620	31
Feb 1980	421	36	580	29
Jan 1980	337	29	589	31
Dec 1979	358	30	620	31
Nov 1979	364	31	600	30
Oct 1979	322	27	600	30
Sep 1979	341	29	600	30
Aug 1979	93	8	651	31
Jul 1979	89	8	567	27
Jun 1979	178	15	960	30
May 1979	196	17	1,050	30
Apr 1979	233	20	1,110	30
Mar 1979	270	23	1,147	31
Feb 1979	258	22	1,064	28
Jan 1979	310	26	1,178	31
Dec 1978	323	27	1,140	30
Nov 1978	329	28	1,131	29
Oct 1978	400	34	1,209	31
Sep 1978	373	32	1,131	29
Aug 1978	433	37	1,209	31
Jul 1978	263	19	380	19
Jun 1978	371	32	520	26
May 1978	443	38	600	30
Apr 1978	451	38	600	30
Mar 1978	554	47	660	30
Feb 1978	311	26	380	19
Jan 1978	476	40	372	30
Dec 1977	558	47	667	29
Nov 1977	589	50	660	30
Oct 1977	410	35	420	20
Sep 1977	665	56	1,710	30
Aug 1977	713	61	2,139	30
Jul 1977	363	31	1,452	31
Jun 1977	320	27	1,280	11

A dash is a period the well filed with no volume for that product.

Injection

150 monthly filings with South Dakota, Jun 1984 to Nov 1996. 144 of them carry a figure; the rest are months South Dakota filed empty.

Well type

Air Injection

Cumulative gas injected

2,722,645 MCF

Month	Gas injected (MCF)	Max pressure (psi)	Avg pressure (psi)	Days
Nov 1996	—	—	—	—
Oct 1996	—	—	—	—
Sep 1996	—	—	—	—
Aug 1996	—	—	—	—
Jul 1996	38,972	4,200	3,858	31
Jun 1996	57,171	4,140	4,038	30
May 1996	58,171	4,160	4,124	31
Apr 1996	48,644	4,150	4,128	30
Mar 1996	47,725	4,175	4,135	31
Feb 1996	46,247	4,160	4,150	29
Jan 1996	48,416	4,150	4,110	31
Dec 1995	50,683	4,140	4,123	31
Nov 1995	47,794	4,100	4,035	30
Oct 1995	40,680	3,900	3,878	31
Sep 1995	41,229	3,950	3,918	30
Aug 1995	44,109	4,060	3,990	31
Jul 1995	47,267	4,145	4,065	31
Jun 1995	47,670	4,200	4,158	30
May 1995	52,156	4,200	4,157	31
Apr 1995	50,297	4,205	4,205	30
Mar 1995	53,023	4,250	4,218	31
Feb 1995	46,224	4,240	4,203	28
Jan 1995	49,056	4,160	4,153	31
Dec 1994	47,384	4,160	4,142	31
Nov 1994	46,608	4,240	4,200	30
Oct 1994	50,294	4,250	4,236	31
Sep 1994	43,476	4,290	4,186	30
Aug 1994	29,134	4,450	4,395	31
Jul 1994	20,819	4,450	4,433	31
Jun 1994	20,881	4,440	4,402	30
May 1994	17,738	4,440	4,402	31
Apr 1994	22,126	4,440	4,398	30
Mar 1994	19,320	4,375	4,240	31
Feb 1994	13,195	4,225	4,191	28
Jan 1994	17,603	4,300	4,260	31
Dec 1993	17,384	4,240	4,169	31
Nov 1993	13,327	4,140	4,112	30
Oct 1993	13,274	4,200	4,166	31
Sep 1993	14,860	4,200	4,196	30
Aug 1993	15,509	4,210	4,201	31
Jul 1993	15,733	4,230	4,212	31
Jun 1993	15,270	4,240	4,206	30
May 1993	14,651	4,240	4,186	31
Apr 1993	14,904	4,210	4,184	30
Mar 1993	15,434	4,250	4,213	31
Feb 1993	14,833	4,180	4,147	28
Jan 1993	14,181	4,180	4,147	31
Dec 1992	15,829	4,210	4,192	31
Nov 1992	14,849	4,210	4,168	30
Oct 1992	12,806	4,190	4,137	31
Sep 1992	13,180	4,190	4,175	30
Aug 1992	13,995	4,200	4,193	31
Jul 1992	—	—	—	—
Jun 1992	11,802	4,230	4,195	30
May 1992	12,708	4,260	4,210	31
Apr 1992	13,970	4,280	4,267	30
Mar 1992	14,320	4,290	4,270	31
Feb 1992	13,630	4,345	4,312	29
Jan 1992	13,892	4,380	4,296	31
Dec 1991	16,588	4,380	4,355	31
Nov 1991	15,890	4,350	4,334	30
Oct 1991	15,805	4,330	4,272	31
Sep 1991	13,213	4,250	4,196	30
Aug 1991	10,434	4,275	4,194	31
Jul 1991	13,074	4,330	4,280	31
Jun 1991	14,216	4,320	4,300	30
May 1991	14,031	4,260	4,213	31
Apr 1991	12,321	4,350	4,288	30
Mar 1991	15,619	4,350	4,294	31
Feb 1991	10,520	4,250	4,176	28
Jan 1991	11,748	4,300	4,219	31
Dec 1990	10,667	4,300	4,231	30
Nov 1990	12,978	4,360	4,311	30
Oct 1990	13,267	4,310	4,273	31
Sep 1990	12,642	4,330	4,269	30
Aug 1990	11,112	4,260	4,235	31
Jul 1990	11,792	4,300	4,259	31
Jun 1990	11,237	4,300	4,266	30
May 1990	11,697	4,290	4,262	31
Apr 1990	11,115	4,440	4,332	30
Mar 1990	15,411	4,420	4,368	31
Feb 1990	13,118	4,380	4,300	28
Jan 1990	9,868	4,200	4,156	31
Dec 1989	12,095	4,360	4,253	31
Nov 1989	10,164	4,290	4,230	30
Oct 1989	13,069	4,360	4,335	31
Sep 1989	14,239	4,375	4,353	30
Aug 1989	13,537	4,335	4,283	31
Jul 1989	10,876	4,275	4,247	31
Jun 1989	10,854	4,275	4,255	30
May 1989	11,365	4,290	4,266	31
Apr 1989	11,532	4,310	4,289	30
Mar 1989	12,511	4,325	4,313	31
Feb 1989	11,422	4,320	4,288	28
Jan 1989	11,284	4,290	4,272	31
Dec 1988	14,799	4,290	4,267	31
Nov 1988	12,533	4,270	4,261	30
Oct 1988	12,394	4,300	4,281	31
Sep 1988	13,509	4,310	4,281	30
Aug 1988	12,085	4,290	4,239	31
Jul 1988	12,171	4,270	4,248	31
Jun 1988	8,586	4,300	4,267	30
May 1988	10,524	4,390	4,345	31
Apr 1988	12,116	4,390	4,357	30
Mar 1988	12,599	4,360	4,146	31
Feb 1988	6,572	4,215	4,185	29
Jan 1988	7,127	4,300	4,246	31
Dec 1987	5,661	4,380	4,336	31
Nov 1987	7,525	4,500	4,434	30
Oct 1987	10,491	4,510	4,492	31
Sep 1987	10,527	4,510	4,502	30
Aug 1987	11,374	4,510	4,482	31
Jul 1987	10,512	4,500	4,478	31
Jun 1987	10,767	4,500	4,496	30
May 1987	11,441	4,500	4,467	31
Apr 1987	10,628	4,500	4,483	30
Mar 1987	11,764	4,500	4,497	31
Feb 1987	10,876	4,520	4,509	28
Jan 1987	12,116	4,505	4,499	31
Dec 1986	12,204	4,505	4,498	31
Nov 1986	11,652	4,500	4,496	30
Oct 1986	12,243	4,500	4,486	31
Sep 1986	11,871	4,490	4,474	30
Aug 1986	10,620	4,495	4,450	31
Jul 1986	10,931	4,490	4,450	31
Jun 1986	11,717	4,500	4,496	30
May 1986	11,924	4,500	4,467	31
Apr 1986	11,960	4,500	4,483	30
Mar 1986	12,826	4,500	4,497	31
Feb 1986	11,835	4,520	4,509	28
Jan 1986	13,378	4,525	4,477	31
Dec 1985	12,436	4,500	4,485	31
Nov 1985	12,898	4,525	4,517	30
Oct 1985	13,870	4,530	4,517	31
Sep 1985	13,094	4,560	4,517	30
Aug 1985	14,090	4,540	4,515	31
Jul 1985	14,667	4,520	4,498	31
Jun 1985	16,364	4,560	4,524	30
May 1985	17,186	4,540	4,490	31
Apr 1985	16,835	4,540	4,503	30
Mar 1985	18,016	4,560	4,487	31
Feb 1985	16,786	0	0	28
Jan 1985	19,717	0	0	31
Dec 1984	20,091	4,540	4,480	31
Nov 1984	20,115	4,500	4,424	30
Oct 1984	19,984	4,500	4,413	31
Sep 1984	22,081	4,400	4,266	23
Aug 1984	4,326	4,220	4,018	4
Jul 1984	2,467	3,590	3,590	31
Jun 1984	—	—	—	—

A dash is a month the well filed with no figure in that column. An average pressure is shown only for a month the well filed once; where it filed twice the two averages cannot be recombined into one, so none is shown.

Formation tops

South Dakota records 10 formations for this well, shallowest first.

Formation	Top (ft)	Age
Minnekahta Limestone	5,964	Permian
Opeche Shale	6,007	Permian
Minnelusa Formation	6,114	Permian/Pennsylvanian
Charles Formation	6,580	Mississippian
Mission Canyon Limestone	7,064	Mississippian
Lodgepole Limestone	7,410	Mississippian
Duperow Formation	7,847	Devonian
Interlake Dolomite	8,088	Silurian
Stony Mountain Formation	8,320	Ordovician
Red River Formation	8,482	Ordovician

A dash is a formation South Dakota records for this well without a depth.

Completion

South Dakota files 1 completion report for this well.

Vertical Well

Plugged and AbandonedAir Injection

Spudded

1977-04-12

Completed

1977-06-01

Measured depth

8,619 ft

True vertical depth

8,619 ft

Interval

Formation	Perforated (ft)
Unit B, Red River Formation	8,513–8,532

Location

45.698760, -103.584395

45.69876, -103.58440 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom

Every well in Harding County, South Dakota

South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.