Luff O-20 Stearns

API 4006320341 · Harding County, South Dakota · Buffalo field

Plugged and AbandonedOil

API

4006320341

Operator

Luff Exploration Co.

County

Harding

Field

Buffalo

Location

SWSE Sec 20 Twp 022N Rng 04E

Permit

1200

Production

446 monthly filings with South Dakota, Jul 1982 to Aug 2019. Each product is in its own unit and the four are never added.

Cumulative oil

319,199 bbl

Cumulative gas

109,521 MCF

Cumulative water

743,421 bbl

Period	Oil (bbl)	Gas (MCF)	Water (bbl)	Days
Aug 2019	—	—	—	—
Jul 2019	—	—	—	—
Jun 2019	—	—	—	—
May 2019	—	—	—	—
Apr 2019	—	—	—	—
Mar 2019	—	—	—	—
Feb 2019	—	—	—	—
Jan 2019	—	—	—	—
Dec 2018	—	—	—	—
Nov 2018	—	—	—	—
Oct 2018	—	—	—	—
Sep 2018	—	—	—	—
Aug 2018	—	—	—	—
Jul 2018	—	—	—	—
Jun 2018	—	—	—	—
May 2018	—	—	—	—
Apr 2018	—	—	—	—
Mar 2018	—	—	—	—
Feb 2018	—	—	—	—
Jan 2018	—	—	—	—
Dec 2017	—	—	—	—
Nov 2017	—	—	—	—
Oct 2017	—	—	—	—
Sep 2017	—	—	—	—
Aug 2017	—	—	—	—
Jul 2017	—	—	—	—
Jun 2017	—	—	—	—
May 2017	—	—	—	—
Apr 2017	—	—	—	—
Mar 2017	—	—	—	—
Feb 2017	—	—	—	—
Jan 2017	—	—	—	—
Dec 2016	—	—	—	—
Nov 2016	—	—	—	—
Oct 2016	—	—	—	—
Sep 2016	—	—	—	—
Aug 2016	—	—	—	—
Jul 2016	—	—	—	—
Jun 2016	—	—	—	—
May 2016	180	35	3,020	23
Apr 2016	219	45	4,110	30
Mar 2016	259	47	4,380	31
Feb 2016	217	44	4,110	29
Jan 2016	248	47	4,254	31
Dec 2015	221	47	4,010	31
Nov 2015	229	45	3,820	30
Oct 2015	221	47	3,993	31
Sep 2015	233	45	4,247	30
Aug 2015	249	47	4,168	31
Jul 2015	224	47	4,108	31
Jun 2015	66	15	1,282	10
May 2015	278	50	4,269	31
Apr 2015	281	123	4,038	30
Mar 2015	264	115	3,898	30
Feb 2015	263	115	3,694	28
Jan 2015	358	157	4,003	31
Dec 2014	269	118	3,532	31
Nov 2014	266	117	3,788	30
Oct 2014	282	123	3,535	31
Sep 2014	263	115	3,594	30
Aug 2014	279	122	3,926	31
Jul 2014	258	105	3,988	31
Jun 2014	272	111	3,990	30
May 2014	271	111	4,038	31
Apr 2014	274	112	3,801	30
Mar 2014	323	132	3,788	31
Feb 2014	286	117	3,486	28
Jan 2014	359	147	3,794	31
Dec 2013	5	11	860	7
Nov 2013	97	40	1,614	15
Oct 2013	223	91	2,412	21
Sep 2013	187	76	2,751	20
Aug 2013	—	—	—	—
Jul 2013	229	169	2,525	30
Jun 2013	247	182	2,635	30
May 2013	252	186	2,708	31
Apr 2013	252	186	2,666	30
Mar 2013	269	198	2,747	31
Feb 2013	251	185	2,500	28
Jan 2013	258	190	2,740	31
Dec 2012	260	191	2,751	31
Nov 2012	255	188	2,691	30
Oct 2012	273	201	2,787	31
Sep 2012	256	189	2,641	30
Aug 2012	263	194	2,797	31
Jul 2012	266	196	2,800	30
Jun 2012	256	71	2,725	30
May 2012	277	76	2,873	31
Apr 2012	284	78	2,860	30
Mar 2012	335	92	3,104	31
Feb 2012	327	90	3,395	28
Jan 2012	158	43	1,601	16
Dec 2011	316	87	3,105	31
Nov 2011	322	89	3,087	30
Oct 2011	333	92	3,238	31
Sep 2011	324	90	3,126	30
Aug 2011	330	91	3,250	31
Jul 2011	352	97	3,297	31
Jun 2011	325	115	3,128	30
May 2011	358	126	3,283	31
Apr 2011	336	118	3,203	30
Mar 2011	354	125	3,342	31
Feb 2011	344	121	3,132	28
Jan 2011	406	143	3,756	31
Dec 2010	447	158	3,945	31
Nov 2010	229	81	2,174	17
Oct 2010	266	94	2,781	23
Sep 2010	325	115	2,851	27
Aug 2010	407	144	3,774	31
Jul 2010	420	148	3,985	31
Jun 2010	429	152	3,891	30
May 2010	454	160	4,000	31
Apr 2010	493	45	3,950	30
Mar 2010	545	45	3,979	30
Feb 2010	436	42	3,658	28
Jan 2010	446	42	3,674	28
Dec 2009	327	30	2,871	20
Nov 2009	506	44	3,913	29
Oct 2009	531	47	4,139	31
Sep 2009	514	45	3,952	30
Aug 2009	527	47	4,049	31
Jul 2009	513	47	4,102	31
Jun 2009	505	45	4,000	30
May 2009	531	47	4,158	31
Apr 2009	533	45	4,053	30
Mar 2009	491	258	3,777	28
Feb 2009	503	264	3,723	28
Jan 2009	569	299	4,171	31
Dec 2008	576	302	4,170	31
Nov 2008	550	289	3,992	30
Oct 2008	586	308	4,098	31
Sep 2008	565	297	3,965	30
Aug 2008	588	309	4,095	31
Jul 2008	583	306	3,817	31
Jun 2008	621	326	3,865	30
May 2008	102	54	1,171	10
Apr 2008	648	579	3,945	30
Mar 2008	662	591	3,939	31
Feb 2008	640	571	3,726	29
Jan 2008	679	606	4,034	31
Dec 2007	751	671	3,994	31
Nov 2007	684	611	3,866	30
Oct 2007	730	652	4,033	31
Sep 2007	709	633	3,829	30
Aug 2007	770	687	3,783	30
Jul 2007	67	60	848	5
Jun 2007	630	562	3,122	26
May 2007	844	754	3,705	31
Apr 2007	837	209	3,545	30
Mar 2007	917	229	3,422	31
Feb 2007	811	203	2,790	28
Jan 2007	920	230	3,256	31
Dec 2006	944	236	3,290	31
Nov 2006	913	228	2,960	30
Oct 2006	944	236	3,110	31
Sep 2006	1,058	264	305	30
Aug 2006	947	237	3,114	31
Jul 2006	906	227	3,210	31
Jun 2006	879	220	3,075	30
May 2006	1,096	274	3,311	31
Apr 2006	735	507	2,450	24
Mar 2006	988	682	3,165	31
Feb 2006	970	669	2,840	28
Jan 2006	989	682	2,780	27
Dec 2005	1,040	717	3,095	31
Nov 2005	1,088	751	3,135	30
Oct 2005	1,114	769	3,235	31
Sep 2005	1,147	791	3,135	30
Aug 2005	1,254	865	2,976	29
Jul 2005	1,153	796	3,020	31
Jun 2005	1,100	759	2,504	30
May 2005	1,144	789	2,749	31
Apr 2005	1,117	771	2,654	30
Mar 2005	1,163	791	2,701	31
Feb 2005	1,012	688	2,399	28
Jan 2005	1,164	791	2,721	31
Dec 2004	1,141	776	2,462	29
Nov 2004	1,173	798	2,651	30
Oct 2004	1,198	815	2,585	30
Sep 2004	1,174	799	2,626	30
Aug 2004	1,202	817	2,668	31
Jul 2004	1,382	939	2,711	31
Jun 2004	1,253	852	2,596	30
May 2004	1,317	896	2,715	31
Apr 2004	1,300	884	2,585	30
Mar 2004	1,453	838	2,682	31
Feb 2004	1,373	687	2,501	29
Jan 2004	1,428	615	2,691	31
Dec 2003	1,427	615	2,602	31
Nov 2003	1,341	578	2,744	30
Oct 2003	1,374	592	2,841	30
Sep 2003	1,375	593	2,595	29
Aug 2003	1,448	624	2,821	31
Jul 2003	1,495	644	2,696	31
Jun 2003	1,533	661	2,474	30
May 2003	1,583	682	4,542	31
Apr 2003	1,751	755	2,632	30
Mar 2003	1,291	556	1,577	23
Feb 2003	1,502	647	1,883	28
Jan 2003	1,554	670	2,299	31
Dec 2002	1,766	761	2,274	31
Nov 2002	1,711	738	2,144	30
Oct 2002	1,732	746	2,086	31
Sep 2002	1,715	739	2,098	30
Aug 2002	1,815	782	2,197	31
Jul 2002	1,821	785	2,305	31
Jun 2002	1,790	771	1,897	30
May 2002	1,993	859	2,197	31
Apr 2002	1,832	790	1,986	30
Mar 2002	1,845	795	1,936	31
Feb 2002	1,673	602	1,794	28
Jan 2002	1,903	685	2,163	31
Dec 2001	2,061	742	2,576	31
Nov 2001	2,128	766	2,350	30
Oct 2001	2,346	845	2,133	31
Sep 2001	2,311	832	2,392	30
Aug 2001	2,362	850	2,247	31
Jul 2001	2,262	814	2,018	31
Jun 2001	2,158	777	2,151	30
May 2001	2,290	825	2,437	31
Apr 2001	2,185	787	2,422	30
Mar 2001	2,362	370	2,722	31
Feb 2001	2,036	322	2,196	28
Jan 2001	2,268	358	2,441	31
Dec 2000	2,279	360	2,514	31
Nov 2000	2,047	323	2,158	29
Oct 2000	2,333	369	2,680	31
Sep 2000	1,953	309	2,126	26
Aug 2000	2,219	351	2,360	31
Jul 2000	1,492	236	1,492	29
Jun 2000	1,778	281	1,778	30
May 2000	1,815	287	1,009	31
Apr 2000	1,696	495	1,408	30
Mar 2000	1,860	543	2,046	31
Feb 2000	1,676	489	2,123	29
Jan 2000	1,808	528	2,329	31
Dec 1999	1,642	479	2,929	31
Nov 1999	1,525	445	2,109	30
Oct 1999	1,704	497	3,023	31
Sep 1999	1,673	489	2,147	28
Aug 1999	802	234	1,284	17
Jul 1999	1,489	435	1,978	31
Jun 1999	1,396	408	3,001	30
May 1999	1,543	451	27	31
Apr 1999	1,550	453	3,031	30
Mar 1999	1,567	457	2,444	31
Feb 1999	1,221	184	1,858	27
Jan 1999	1,370	207	1,427	31
Dec 1998	1,312	198	2,952	31
Nov 1998	1,175	177	2,464	30
Oct 1998	1,051	159	2,182	31
Sep 1998	556	84	1,152	30
Aug 1998	745	112	745	31
Jul 1998	620	94	596	31
Jun 1998	775	117	806	30
May 1998	588	89	882	31
Apr 1998	624	293	624	30
Mar 1998	614	289	614	31
Feb 1998	714	335	571	28
Jan 1998	518	244	389	31
Dec 1997	467	219	467	31
Nov 1997	449	192	481	30
Oct 1997	577	238	541	31
Sep 1997	474	202	444	30
Aug 1997	510	311	588	31
Jul 1997	472	269	472	31
Jun 1997	440	252	440	30
May 1997	517	288	517	30
Apr 1997	468	261	468	27
Mar 1997	492	47	492	29
Feb 1997	303	42	454	28
Jan 1997	267	44	400	26
Dec 1996	323	47	441	29
Nov 1996	331	44	452	30
Oct 1996	311	47	424	30
Sep 1996	378	45	436	30
Aug 1996	388	47	448	31
Jul 1996	406	45	468	31
Jun 1996	250	45	288	14
May 1996	399	47	461	31
Apr 1996	390	45	488	30
Mar 1996	374	47	467	31
Feb 1996	387	42	430	28
Jan 1996	412	47	458	31
Dec 1995	399	44	443	31
Nov 1995	395	45	438	30
Oct 1995	395	47	438	31
Sep 1995	408	42	453	30
Aug 1995	421	47	468	31
Jul 1995	428	47	476	31
Jun 1995	407	45	452	30
May 1995	419	47	465	31
Apr 1995	396	45	440	30
Mar 1995	421	47	468	31
Feb 1995	379	101	437	28
Jan 1995	423	113	488	31
Dec 1994	406	110	469	31
Nov 1994	408	109	471	30
Oct 1994	419	112	483	31
Sep 1994	406	108	469	30
Aug 1994	423	112	488	31
Jul 1994	439	115	507	31
Jun 1994	497	123	466	30
May 1994	397	110	458	31
Apr 1994	411	76	221	30
Mar 1994	440	235	706	31
Feb 1994	386	152	413	28
Jan 1994	449	175	449	31
Dec 1993	423	168	423	31
Nov 1993	417	173	446	30
Oct 1993	436	180	467	31
Sep 1993	408	39	680	30
Aug 1993	588	47	816	31
Jul 1993	313	47	470	31
Jun 1993	398	45	497	30
May 1993	417	47	417	30
Apr 1993	409	45	409	30
Mar 1993	435	47	502	31
Feb 1993	392	42	452	28
Jan 1993	415	47	478	29
Dec 1992	439	47	506	31
Nov 1992	436	45	436	30
Oct 1992	433	47	433	31
Sep 1992	428	45	428	30
Aug 1992	434	47	434	31
Jul 1992	453	47	453	31
Jun 1992	406	45	468	30
May 1992	435	47	435	31
Apr 1992	431	45	431	30
Mar 1992	449	47	449	31
Feb 1992	439	42	439	28
Jan 1992	473	47	473	31
Dec 1991	468	47	468	31
Nov 1991	455	45	455	30
Oct 1991	464	47	464	31
Sep 1991	224	45	224	30
Aug 1991	709	235	614	31
Jul 1991	475	173	475	31
Jun 1991	466	169	466	30
May 1991	468	163	439	31
Apr 1991	473	163	443	30
Mar 1991	495	170	402	31
Feb 1991	439	152	274	28
Jan 1991	498	190	575	31
Dec 1990	432	168	405	31
Nov 1990	452	166	424	26
Oct 1990	502	190	502	31
Sep 1990	474	208	534	30
Aug 1990	490	215	612	31
Jul 1990	489	215	612	31
Jun 1990	491	204	520	30
May 1990	511	212	601	31
Apr 1990	503	208	592	30
Mar 1990	529	47	661	31
Feb 1990	469	42	551	28
Jan 1990	515	47	606	31
Dec 1989	519	47	649	31
Nov 1989	499	45	468	30
Oct 1989	565	47	627	31
Sep 1989	514	45	454	30
Aug 1989	486	47	429	31
Jul 1989	522	47	460	31
Jun 1989	512	45	542	30
May 1989	526	47	557	31
Apr 1989	533	45	593	30
Mar 1989	567	160	315	31
Feb 1989	473	135	263	27
Jan 1989	536	154	596	31
Dec 1988	538	160	633	31
Nov 1988	532	151	532	30
Oct 1988	530	164	530	31
Sep 1988	507	164	447	30
Aug 1988	559	184	466	31
Jul 1988	543	180	573	31
Jun 1988	478	149	478	30
May 1988	555	142	733	29
Apr 1988	498	154	448	29
Mar 1988	532	175	532	31
Feb 1988	513	166	513	28
Jan 1988	540	184	540	31
Dec 1987	547	179	547	31
Nov 1987	531	173	478	30
Oct 1987	568	199	568	31
Sep 1987	548	191	548	29
Aug 1987	581	203	581	31
Jul 1987	568	199	568	31
Jun 1987	548	178	438	30
May 1987	576	186	461	31
Apr 1987	546	177	491	30
Mar 1987	575	186	517	31
Feb 1987	525	169	472	28
Jan 1987	584	188	526	31
Dec 1986	590	189	531	31
Nov 1986	574	184	516	30
Oct 1986	608	194	608	31
Sep 1986	565	234	565	30
Aug 1986	624	256	624	31
Jul 1986	611	251	531	31
Jun 1986	613	250	533	30
May 1986	660	268	574	31
Apr 1986	644	210	355	30
Mar 1986	676	219	645	31
Feb 1986	621	201	422	28
Jan 1986	714	228	604	30
Dec 1985	715	229	764	31
Nov 1985	711	227	652	30
Oct 1985	747	236	778	31
Sep 1985	745	236	775	30
Aug 1985	662	221	741	29
Jul 1985	669	226	547	31
Jun 1985	571	152	497	27
May 1985	638	170	608	30
Apr 1985	694	185	595	28
Mar 1985	451	66	361	27
Feb 1985	734	108	706	29
Jan 1985	816	120	756	31
Dec 1984	770	113	572	27
Nov 1984	890	131	667	30
Oct 1984	925	273	740	31
Sep 1984	807	238	691	25
Aug 1984	978	289	815	31
Jul 1984	994	293	753	31
Jun 1984	1,007	297	748	30
May 1984	1,077	318	1,175	31
Apr 1984	1,023	302	1,228	30
Mar 1984	952	286	706	29
Feb 1984	1,080	324	690	28
Jan 1984	1,168	350	922	31
Dec 1983	1,222	367	916	31
Nov 1983	1,219	366	813	30
Oct 1983	1,282	385	855	31
Sep 1983	1,262	88	924	30
Aug 1983	1,286	90	1,229	28
Jul 1983	1,419	99	863	31
Jun 1983	1,397	98	1,094	30
May 1983	1,532	107	1,214	30
Apr 1983	1,436	100	940	28
Mar 1983	1,775	124	1,163	29
Feb 1983	1,798	739	1,537	28
Jan 1983	2,066	849	1,747	31
Dec 1982	2,203	906	1,732	31
Nov 1982	1,903	476	1,421	26
Oct 1982	2,439	610	1,860	31
Sep 1982	2,610	653	1,800	30
Aug 1982	2,875	538	1,955	31
Jul 1982	1,885	352	2,431	28

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

Location

45.850957, -103.653744

45.85096, -103.65374 · 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.