Shell 32-11A Seppala

API 4006305020 · Harding County, South Dakota · Buffalo field

Plugged and AbandonedOil

API

4006305020

Operator

Continental Resources Inc.

County

Harding

Field

Buffalo

Location

SWNE Sec 11 Twp 020N Rng 04E

Permit

290

Production

296 monthly filings with South Dakota, Feb 1960 to Sep 1984. Each product is in its own unit and the four are never added.

Cumulative oil

139,066 bbl

Cumulative gas

10,427 MCF

Cumulative water

229,906 bbl

Period	Oil (bbl)	Gas (MCF)	Water (bbl)	Days
Sep 1984	0	0	0	—
Aug 1984	—	—	—	—
Jul 1984	—	—	—	—
Jun 1984	—	—	—	—
May 1984	—	—	—	—
Apr 1984	—	—	—	—
Mar 1984	—	—	—	—
Feb 1984	33	3	21	7
Jan 1984	137	12	84	28
Dec 1983	91	8	72	24
Nov 1983	143	12	90	30
Oct 1983	108	9	140	28
Sep 1983	121	10	120	30
Aug 1983	101	9	124	31
Jul 1983	327	28	155	31
Jun 1983	140	12	120	30
May 1983	137	12	124	31
Apr 1983	66	6	210	30
Mar 1983	72	6	217	31
Feb 1983	124	11	112	28
Jan 1983	138	12	155	31
Dec 1982	136	12	124	31
Nov 1982	125	11	90	30
Oct 1982	77	7	186	31
Sep 1982	112	10	150	30
Aug 1982	126	11	155	31
Jul 1982	117	10	150	30
Jun 1982	191	16	150	30
May 1982	148	13	124	31
Apr 1982	154	13	120	30
Mar 1982	168	14	155	31
Feb 1982	158	13	135	27
Jan 1982	152	13	155	31
Dec 1981	147	13	155	31
Nov 1981	262	22	240	30
Oct 1981	234	20	124	31
Sep 1981	209	18	120	30
Aug 1981	193	16	186	31
Jul 1981	162	14	155	31
Jun 1981	159	14	180	30
May 1981	170	14	186	31
Apr 1981	158	13	210	30
Mar 1981	170	14	186	31
Feb 1981	132	11	336	28
Jan 1981	30	3	90	3
Dec 1980	81	7	270	9
Nov 1980	224	19	690	23
Oct 1980	195	17	522	18
Sep 1980	226	19	870	30
Aug 1980	252	21	750	25
Jul 1980	226	19	961	31
Jun 1980	305	26	870	30
May 1980	279	24	899	31
Apr 1980	189	16	870	30
Mar 1980	182	15	806	31
Feb 1980	351	30	812	29
Jan 1980	277	24	837	31
Dec 1979	248	21	868	31
Nov 1979	303	26	840	30
Oct 1979	284	24	840	30
Sep 1979	292	25	672	24
Aug 1979	463	39	868	31
Jul 1979	381	32	868	31
Jun 1979	347	30	870	29
May 1979	383	33	899	31
Apr 1979	381	32	840	30
Mar 1979	427	36	868	31
Feb 1979	397	34	840	28
Jan 1979	477	41	930	31
Dec 1978	496	42	900	30
Nov 1978	412	35	870	29
Oct 1978	500	42	930	31
Sep 1978	467	40	870	29
Aug 1978	505	43	870	29
Jul 1978	553	40	900	30
Jun 1978	595	51	900	30
May 1978	610	52	930	31
Apr 1978	654	56	870	29
Mar 1978	257	22	600	30
Feb 1978	256	22	361	19
Jan 1978	308	26	600	30
Dec 1977	233	19	138	23
Nov 1977	—	—	—	—
Oct 1977	—	—	—	—
Sep 1977	—	—	—	—
Aug 1977	340	29	30	31
Jul 1977	447	38	39	31
Jun 1977	515	44	45	30
May 1977	480	41	42	23
Apr 1977	601	51	52	29
Mar 1977	307	26	27	31
Feb 1977	—	—	—	—
Jan 1977	391	33	34	29
Dec 1976	115	10	10	28
Nov 1976	998	85	99	27
Oct 1976	543	46	103	31
Sep 1976	563	48	107	30
Aug 1976	548	47	93	31
Jul 1976	514	44	124	31
Jun 1976	630	54	116	29
May 1976	503	43	120	30
Apr 1976	577	49	120	30
Mar 1976	593	50	496	31
Feb 1976	570	48	464	29
Jan 1976	480	41	432	27
Dec 1975	197	17	160	10
Nov 1975	482	41	480	30
Oct 1975	174	15	496	29
Sep 1975	241	30	464	31
Aug 1975	587	50	589	26
Jul 1975	461	39	494	31
Jun 1975	576	49	540	28
May 1975	459	39	644	30
Apr 1975	362	31	264	21
Mar 1975	—	—	—	—
Feb 1975	227	19	144	30
Jan 1975	490	42	372	31
Dec 1974	582	49	336	28
Nov 1974	618	53	360	30
Oct 1974	322	27	252	21
Sep 1974	582	39	360	30
Aug 1974	604	41	372	30
Jul 1974	584	40	372	31
Jun 1974	559	48	313	26
May 1974	579	49	324	30
Apr 1974	627	53	351	30
Mar 1974	598	51	335	31
Feb 1974	623	53	349	27
Jan 1974	363	31	462	31
Dec 1973	357	30	454	29
Nov 1973	405	34	515	30
Oct 1973	545	46	694	30
Sep 1973	522	44	664	30
Aug 1973	564	48	718	31
Jul 1973	51	47	701	31
Jun 1973	559	48	711	30
May 1973	561	48	714	30
Apr 1973	509	43	648	26
Mar 1973	625	53	795	31
Feb 1973	501	43	638	27
Jan 1973	626	53	797	31
Dec 1972	574	49	731	28
Nov 1972	413	35	526	21
Oct 1972	564	48	718	30
Sep 1972	696	59	886	30
Aug 1972	533	45	679	31
Jul 1972	580	49	738	31
Jun 1972	594	50	756	29
May 1972	566	48	721	29
Apr 1972	512	44	652	28
Mar 1972	600	51	764	31
Feb 1972	587	50	747	29
Jan 1972	628	53	799	31
Dec 1971	683	58	869	31
Nov 1971	617	52	785	30
Oct 1971	639	54	813	31
Sep 1971	471	40	600	30
Aug 1971	437	37	556	31
Jul 1971	492	42	626	31
Jun 1971	438	37	557	30
May 1971	600	51	764	31
Apr 1971	527	45	671	30
Mar 1971	517	44	658	31
Feb 1971	448	38	569	28
Jan 1971	495	42	630	31
Dec 1970	611	52	778	31
Nov 1970	653	56	831	30
Oct 1970	671	57	854	31
Sep 1970	661	56	841	30
Aug 1970	716	61	911	28
Jul 1970	194	16	247	17
Jun 1970	589	50	750	30
May 1970	502	43	639	26
Apr 1970	663	56	844	30
Mar 1970	662	56	843	31
Feb 1970	614	52	782	28
Jan 1970	644	55	820	31
Dec 1969	708	60	899	31
Nov 1969	689	59	1,337	30
Oct 1969	719	61	1,396	31
Sep 1969	403	34	782	28
Aug 1969	281	24	545	24
Jul 1969	383	33	743	31
Jun 1969	317	27	615	30
May 1969	443	38	860	31
Apr 1969	300	26	582	25
Mar 1969	261	22	507	19
Feb 1969	361	31	701	25
Jan 1969	530	45	1,029	31
Dec 1968	423	36	821	25
Nov 1968	386	33	749	30
Oct 1968	468	40	908	30
Sep 1968	467	40	907	30
Aug 1968	513	44	996	31
Jul 1968	509	43	988	31
Jun 1968	508	43	986	30
May 1968	552	47	1,072	31
Apr 1968	583	50	1,132	30
Mar 1968	627	53	1,217	31
Feb 1968	585	50	1,136	29
Jan 1968	452	38	877	31
Dec 1967	591	50	1,147	31
Nov 1967	509	43	988	28
Oct 1967	593	50	1,151	31
Sep 1967	593	50	1,151	29
Aug 1967	608	52	1,180	31
Jul 1967	567	48	1,101	30
Jun 1967	615	52	1,194	30
May 1967	505	43	980	24
Apr 1967	634	54	1,231	29
Mar 1967	692	59	1,343	31
Feb 1967	486	41	943	23
Jan 1967	657	56	1,275	31
Dec 1966	703	60	1,365	31
Nov 1966	693	59	1,345	28
Oct 1966	629	53	1,221	31
Sep 1966	650	55	1,262	30
Aug 1966	684	58	1,328	31
Jul 1966	707	60	1,372	31
Jun 1966	674	57	1,308	28
May 1966	742	63	1,440	31
Apr 1966	761	65	1,477	30
Mar 1966	769	65	1,493	31
Feb 1966	687	58	1,334	28
Jan 1966	606	52	1,176	31
Dec 1965	735	62	1,427	31
Nov 1965	718	61	1,394	30
Oct 1965	586	50	1,137	25
Sep 1965	674	57	1,308	30
Aug 1965	636	54	1,235	28
Jul 1965	816	69	1,584	30
Jun 1965	690	59	1,339	28
May 1965	676	57	1,312	30
Apr 1965	784	67	1,522	30
Mar 1965	757	64	1,469	31
Feb 1965	625	53	1,213	28
Jan 1965	598	51	1,196	25
Dec 1964	293	25	586	14
Nov 1964	641	55	1,282	28
Oct 1964	695	59	1,390	31
Sep 1964	766	65	1,532	30
Aug 1964	754	64	1,508	29
Jul 1964	262	23	524	11
Jun 1964	589	51	1,178	29
May 1964	746	63	1,492	31
Apr 1964	732	62	1,464	30
Mar 1964	622	53	1,244	30
Feb 1964	483	41	966	28
Jan 1964	580	49	1,160	30
Dec 1963	607	52	1,214	31
Nov 1963	670	57	1,340	30
Oct 1963	739	63	1,478	31
Sep 1963	731	62	1,462	30
Aug 1963	760	65	1,520	31
Jul 1963	787	67	1,574	31
Jun 1963	658	56	1,316	30
May 1963	737	63	1,474	31
Apr 1963	629	53	1,258	27
Mar 1963	665	57	1,330	31
Feb 1963	602	51	1,204	28
Jan 1963	638	54	1,276	31
Dec 1962	515	44	1,030	25
Nov 1962	632	54	1,250	30
Oct 1962	682	0	1,364	31
Sep 1962	692	0	1,344	29
Aug 1962	382	0	613	12
Jul 1962	445	0	809	16
Jun 1962	252	0	320	8
May 1962	267	0	428	11
Apr 1962	377	0	589	15
Mar 1962	751	0	1,237	30
Feb 1962	452	0	864	16
Jan 1962	651	0	1,665	29
Dec 1961	714	0	1,612	31
Nov 1961	447	0	845	17
Oct 1961	704	0	1,319	29
Sep 1961	600	0	1,274	26
Aug 1961	841	0	1,464	30
Jul 1961	867	0	1,922	31
Jun 1961	833	0	1,819	29
May 1961	847	0	1,429	29
Apr 1961	782	32	1,800	29
Mar 1961	748	31	1,891	31
Feb 1961	648	27	1,768	28
Jan 1961	767	32	1,984	31
Dec 1960	786	33	1,872	29
Nov 1960	848	35	1,896	30
Oct 1960	903	37	2,133	31
Sep 1960	895	37	2,095	29
Aug 1960	973	40	2,118	30
Jul 1960	869	36	1,965	31
Jun 1960	838	35	1,813	27
May 1960	781	32	2,430	30
Apr 1960	260	10	514	6
Mar 1960	715	30	2,217	24
Feb 1960	526	22	1,620	18

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

Location

45.713179, -103.593818

45.71318, -103.59382 · 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 2026-08-19.