Roosevelt 6-21 Porter

API 4004720219 · Fall River County, South Dakota · Porter Ranch field

ProducingOil

API

4004720219

Operator

Roosevelt Operating Co.

County

Fall River

Field

Porter Ranch

Location

SENW Sec 21 Twp 009S Rng 02E

Permit

1431

Production

462 monthly filings with South Dakota, Jan 1988 to Jun 2026. Each product is in its own unit and the four are never added.

Cumulative oil

331,955 bbl

Cumulative gas

0 MCF

Cumulative water

999,874 bbl

Period	Oil (bbl)	Gas (MCF)	Water (bbl)	Days
Jun 2026	234	—	3,922	26
May 2026	257	—	3,805	28
Apr 2026	249	—	3,389	30
Mar 2026	240	—	4,124	30
Feb 2026	263	—	4,035	28
Jan 2026	230	—	4,436	28
Dec 2025	258	—	5,081	31
Nov 2025	241	—	4,575	29
Oct 2025	206	—	4,058	29
Sep 2025	261	—	4,756	30
Aug 2025	270	—	4,732	31
Jul 2025	106	—	1,477	6
Jun 2025	—	—	—	—
May 2025	139	—	3,266	28
Apr 2025	187	—	3,530	30
Mar 2025	347	—	5,117	31
Feb 2025	214	—	2,904	28
Jan 2025	162	—	3,243	22
Dec 2024	197	—	3,434	31
Nov 2024	155	—	3,064	30
Oct 2024	194	—	3,579	29
Sep 2024	157	—	3,557	26
Aug 2024	167	—	3,484	31
Jul 2024	171	—	3,807	27
Jun 2024	180	—	3,838	30
May 2024	189	—	3,593	31
Apr 2024	208	—	3,446	30
Mar 2024	76	—	2,395	14
Feb 2024	296	—	1,663	11
Jan 2024	109	—	3,105	22
Dec 2023	154	—	4,343	31
Nov 2023	168	—	3,980	30
Oct 2023	213	—	4,444	31
Sep 2023	159	—	4,140	29
Aug 2023	195	—	4,441	31
Jul 2023	188	—	4,444	31
Jun 2023	164	—	4,020	29
May 2023	189	—	4,342	31
Apr 2023	179	—	3,644	27
Mar 2023	109	—	2,341	17
Feb 2023	132	—	3,881	26
Jan 2023	164	—	3,230	25
Dec 2022	111	—	3,134	22
Nov 2022	159	—	4,306	29
Oct 2022	182	—	4,605	31
Sep 2022	272	—	8,808	27
Aug 2022	187	—	4,653	31
Jul 2022	177	—	4,504	31
Jun 2022	146	—	4,033	29
May 2022	180	—	5,237	31
Apr 2022	154	—	5,068	28
Mar 2022	149	—	3,788	23
Feb 2022	175	0	3,622	22
Jan 2022	154	—	4,350	31
Dec 2021	145	—	3,832	29
Nov 2021	203	—	2,512	27
Oct 2021	100	—	1,919	19
Sep 2021	190	—	3,382	30
Aug 2021	131	—	3,517	30
Jul 2021	172	—	4,002	31
Jun 2021	172	—	3,704	30
May 2021	177	—	4,023	30
Apr 2021	174	—	3,763	30
Mar 2021	183	—	3,798	30
Feb 2021	167	—	4,019	27
Jan 2021	214	—	4,571	30
Dec 2020	208	—	3,927	31
Nov 2020	124	—	3,300	27
Oct 2020	283	—	3,458	26
Sep 2020	327	—	3,285	30
Aug 2020	319	—	2,912	30
Jul 2020	498	—	3,116	28
Jun 2020	299	—	2,695	25
May 2020	264	—	2,557	25
Apr 2020	312	—	3,143	30
Mar 2020	271	—	3,215	30
Feb 2020	329	—	3,879	27
Jan 2020	324	—	3,117	31
Dec 2019	320	—	3,174	29
Nov 2019	339	—	2,775	30
Oct 2019	327	—	2,920	30
Sep 2019	346	—	2,986	30
Aug 2019	358	—	2,749	29
Jul 2019	103	—	3,129	31
Jun 2019	271	—	1,830	23
May 2019	356	—	2,960	31
Apr 2019	385	—	2,980	30
Mar 2019	237	—	1,765	20
Feb 2019	302	—	2,478	28
Jan 2019	344	—	3,114	30
Dec 2018	343	—	3,101	31
Nov 2018	333	—	3,055	29
Oct 2018	370	—	3,029	30
Sep 2018	338	—	2,890	30
Aug 2018	334	—	2,936	30
Jul 2018	346	—	2,776	30
Jun 2018	308	—	2,592	29
May 2018	343	—	2,923	29
Apr 2018	335	—	2,871	30
Mar 2018	269	—	2,889	31
Feb 2018	180	—	1,944	28
Jan 2018	173	—	—	18
Dec 2017	281	—	1,746	28
Nov 2017	298	—	1,796	30
Oct 2017	287	—	1,805	29
Sep 2017	277	—	1,529	30
Aug 2017	248	—	2,436	26
Jul 2017	297	—	2,201	31
Jun 2017	274	—	2,129	29
May 2017	309	—	2,158	29
Apr 2017	250	—	1,817	27
Mar 2017	195	—	1,294	19
Feb 2017	296	—	2,160	27
Jan 2017	314	—	2,429	31
Dec 2016	280	—	2,433	27
Nov 2016	308	—	2,299	30
Oct 2016	50	—	751	6
Sep 2016	276	—	195	28
Aug 2016	275	—	2,123	27
Jul 2016	286	—	2,251	31
Jun 2016	275	—	2,213	29
May 2016	275	—	2,186	30
Apr 2016	276	—	2,496	29
Mar 2016	277	0	2,275	28
Feb 2016	273	—	2,310	28
Jan 2016	303	0	2,524	31
Dec 2015	297	0	2,439	31
Nov 2015	302	—	2,310	29
Oct 2015	303	0	2,189	30
Sep 2015	271	0	3,657	27
Aug 2015	305	0	3,776	29
Jul 2015	221	0	2,186	28
Jun 2015	171	0	2,180	21
May 2015	246	0	3,640	29
Apr 2015	280	0	3,247	30
Mar 2015	293	0	3,358	31
Feb 2015	187	0	2,296	22
Jan 2015	124	0	2,160	15
Dec 2014	245	0	3,750	30
Nov 2014	245	0	4,745	29
Oct 2014	263	—	4,977	31
Sep 2014	250	0	3,780	28
Aug 2014	249	0	1,638	31
Jul 2014	254	—	1,158	31
Jun 2014	234	—	1,131	26
May 2014	265	0	988	30
Apr 2014	260	0	1,984	30
Mar 2014	298	0	1,696	30
Feb 2014	241	0	2,240	27
Jan 2014	171	—	1,246	22
Dec 2013	95	0	526	5
Nov 2013	243	0	1,287	30
Oct 2013	265	0	1,358	28
Sep 2013	269	—	1,431	24
Aug 2013	261	0	1,361	29
Jul 2013	286	0	1,408	31
Jun 2013	274	0	1,394	29
May 2013	272	—	1,399	31
Apr 2013	280	—	1,630	30
Mar 2013	281	0	1,654	30
Feb 2013	260	0	1,511	27
Jan 2013	279	0	1,350	29
Dec 2012	292	0	1,324	31
Nov 2012	278	0	2,715	27
Oct 2012	298	0	1,461	31
Sep 2012	292	0	1,595	30
Aug 2012	307	0	1,823	31
Jul 2012	303	0	1,757	30
Jun 2012	303	0	1,533	30
May 2012	302	0	1,590	30
Apr 2012	315	0	1,246	29
Mar 2012	349	0	1,865	31
Feb 2012	328	0	2,257	29
Jan 2012	340	0	1,933	29
Dec 2011	369	0	2,210	27
Nov 2011	323	0	1,516	28
Oct 2011	383	0	1,795	31
Sep 2011	360	0	1,652	28
Aug 2011	383	0	1,887	31
Jul 2011	293	0	1,241	20
Jun 2011	123	0	495	11
May 2011	349	0	1,891	31
Apr 2011	382	0	1,860	30
Mar 2011	425	0	1,950	30
Feb 2011	349	0	1,428	27
Jan 2011	387	0	0	30
Dec 2010	414	0	1,705	31
Nov 2010	386	0	1,320	30
Oct 2010	429	0	1,054	31
Sep 2010	356	0	1,320	30
Aug 2010	334	0	1,085	21
Jul 2010	501	0	1,860	31
Jun 2010	446	0	1,170	25
May 2010	108	0	240	12
Apr 2010	401	0	810	30
Mar 2010	398	0	1,302	31
Feb 2010	325	0	672	28
Jan 2010	500	0	1,023	31
Dec 2009	353	0	980	28
Nov 2009	405	0	1,140	30
Oct 2009	352	0	961	31
Sep 2009	374	0	725	29
Aug 2009	386	0	868	31
Jul 2009	405	0	775	31
Jun 2009	340	0	930	30
May 2009	241	0	966	21
Apr 2009	417	0	480	30
Mar 2009	336	0	966	21
Feb 2009	394	0	1,593	27
Jan 2009	385	0	1,160	28
Dec 2008	418	0	1,218	29
Nov 2008	410	0	1,148	28
Oct 2008	445	0	1,302	31
Sep 2008	459	0	1,170	30
Aug 2008	460	0	1,395	31
Jul 2008	456	0	1,240	31
Jun 2008	453	0	1,440	30
May 2008	478	0	1,581	31
Apr 2008	472	0	1,410	30
Mar 2008	524	0	2,077	31
Feb 2008	452	0	1,711	29
Jan 2008	486	0	1,320	30
Dec 2007	334	0	1,147	31
Nov 2007	499	0	800	30
Oct 2007	463	0	482	31
Sep 2007	453	0	930	30
Aug 2007	489	0	1,054	31
Jul 2007	459	0	1,116	31
Jun 2007	445	0	1,140	30
May 2007	453	0	1,240	31
Apr 2007	436	0	1,320	30
Mar 2007	448	0	992	31
Feb 2007	256	0	588	28
Jan 2007	425	0	682	31
Dec 2006	416	0	496	31
Nov 2006	426	0	510	30
Oct 2006	441	0	527	31
Sep 2006	651	0	720	30
Aug 2006	457	0	868	31
Jul 2006	472	0	713	31
Jun 2006	451	0	780	30
May 2006	464	0	837	31
Apr 2006	467	0	720	30
Mar 2006	465	0	744	31
Feb 2006	425	0	504	28
Jan 2006	495	0	1,302	31
Dec 2005	296	0	1,116	31
Nov 2005	479	0	1,440	30
Oct 2005	492	0	1,178	31
Sep 2005	497	0	1,140	30
Aug 2005	497	0	1,302	31
Jul 2005	499	0	1,023	31
Jun 2005	505	0	1,410	30
May 2005	527	0	1,271	31
Apr 2005	551	0	1,650	30
Mar 2005	521	0	1,705	31
Feb 2005	486	0	1,680	28
Jan 2005	538	0	1,829	31
Dec 2004	540	0	1,860	31
Nov 2004	534	0	1,740	30
Oct 2004	558	0	1,953	31
Sep 2004	549	0	1,650	30
Aug 2004	575	0	1,612	31
Jul 2004	571	0	1,643	31
Jun 2004	545	0	1,620	30
May 2004	593	0	1,767	31
Apr 2004	491	0	2,160	30
Mar 2004	461	0	1,395	31
Feb 2004	647	0	1,025	29
Jan 2004	494	0	780	26
Dec 2003	496	0	2,449	31
Nov 2003	579	0	1,410	30
Oct 2003	617	0	1,984	31
Sep 2003	732	0	1,950	30
Aug 2003	545	0	924	17
Jul 2003	350	0	1,176	21
Jun 2003	575	0	1,800	30
May 2003	505	0	2,370	30
Apr 2003	524	0	1,110	30
Mar 2003	571	0	1,740	30
Feb 2003	514	0	1,764	28
Jan 2003	581	0	1,473	31
Dec 2002	579	0	1,488	31
Nov 2002	528	0	843	30
Oct 2002	570	0	1,023	31
Sep 2002	549	0	1,140	30
Aug 2002	586	0	1,333	31
Jul 2002	617	0	957	29
Jun 2002	615	0	990	30
May 2002	706	0	1,178	31
Apr 2002	570	0	990	30
Mar 2002	480	0	1,169	31
Feb 2002	470	0	1,013	28
Jan 2002	651	0	1,309	31
Dec 2001	546	0	612	31
Nov 2001	637	0	872	30
Oct 2001	701	0	1,267	31
Sep 2001	794	0	1,123	30
Aug 2001	220	0	262	14
Jul 2001	629	0	1,188	31
Jun 2001	614	0	684	30
May 2001	641	0	867	31
Apr 2001	645	0	1,458	30
Mar 2001	678	0	1,428	31
Feb 2001	620	0	1,365	27
Jan 2001	704	0	1,645	31
Dec 2000	740	0	988	31
Nov 2000	699	0	1,665	30
Oct 2000	786	0	662	31
Sep 2000	692	0	978	21
Aug 2000	915	0	1,066	17
Jul 2000	740	0	2,093	31
Jun 2000	719	0	2,114	30
May 2000	945	0	2,600	31
Apr 2000	614	0	1,074	30
Mar 2000	557	0	1,060	31
Feb 2000	722	0	1,791	29
Jan 2000	751	0	1,778	31
Dec 1999	783	0	1,907	31
Nov 1999	771	0	1,939	25
Oct 1999	816	0	1,909	31
Sep 1999	789	0	1,967	30
Aug 1999	847	0	2,034	31
Jul 1999	856	0	2,106	31
Jun 1999	848	0	2,030	30
May 1999	689	0	2,308	31
Apr 1999	1,173	0	2,293	30
Mar 1999	1,240	0	2,069	31
Feb 1999	246	0	543	12
Jan 1999	1,059	0	2,121	31
Dec 1998	813	0	1,761	26
Nov 1998	952	0	2,383	30
Oct 1998	1,031	0	2,838	31
Sep 1998	1,105	0	2,756	30
Aug 1998	1,126	0	2,193	31
Jul 1998	1,099	0	2,343	31
Jun 1998	1,144	0	2,451	30
May 1998	1,214	0	2,240	31
Apr 1998	946	0	2,072	30
Mar 1998	1,231	0	2,841	31
Feb 1998	1,134	0	2,512	28
Jan 1998	1,279	0	2,659	31
Dec 1997	1,242	0	2,458	31
Nov 1997	1,255	0	2,553	30
Oct 1997	1,314	0	1,703	31
Sep 1997	1,302	0	2,431	30
Aug 1997	1,485	0	2,734	31
Jul 1997	1,469	0	2,000	31
Jun 1997	1,401	0	2,923	30
May 1997	1,305	0	2,299	31
Apr 1997	1,367	0	2,550	30
Mar 1997	1,413	0	2,626	31
Feb 1997	1,262	0	2,349	28
Jan 1997	1,405	0	2,433	31
Dec 1996	1,466	0	2,720	31
Nov 1996	1,388	0	2,343	30
Oct 1996	1,452	0	2,393	31
Sep 1996	1,336	0	2,529	30
Aug 1996	1,496	0	2,478	31
Jul 1996	1,503	0	2,523	31
Jun 1996	1,466	0	2,586	30
May 1996	1,533	0	2,766	31
Apr 1996	1,502	0	2,470	30
Mar 1996	1,560	0	2,668	31
Feb 1996	1,471	0	2,367	29
Jan 1996	1,589	0	2,574	31
Dec 1995	1,610	0	2,654	31
Nov 1995	1,580	0	2,601	30
Oct 1995	1,632	0	2,635	31
Sep 1995	1,596	0	2,570	30
Aug 1995	1,662	0	2,637	31
Jul 1995	1,669	0	2,592	31
Jun 1995	1,626	0	2,524	30
May 1995	1,696	0	2,549	31
Apr 1995	1,649	0	2,467	30
Mar 1995	1,713	0	2,625	31
Feb 1995	1,553	0	2,296	28
Jan 1995	1,737	0	2,527	31
Dec 1994	1,751	0	2,433	31
Nov 1994	1,739	0	2,400	30
Oct 1994	1,919	0	2,491	31
Sep 1994	964	0	1,019	13
Aug 1994	1,633	0	2,484	31
Jul 1994	1,714	0	2,482	31
Jun 1994	1,678	0	2,508	30
May 1994	1,725	0	2,512	31
Apr 1994	1,729	0	2,568	30
Mar 1994	1,856	0	2,727	31
Feb 1994	1,702	0	2,506	28
Jan 1994	1,922	0	2,906	31
Dec 1993	1,979	0	3,005	31
Nov 1993	1,974	0	2,892	30
Oct 1993	1,940	0	2,765	31
Sep 1993	1,960	0	2,415	30
Aug 1993	1,996	0	2,243	31
Jul 1993	2,031	0	2,469	31
Jun 1993	2,013	0	2,461	30
May 1993	2,072	0	2,506	31
Apr 1993	2,025	0	2,559	30
Mar 1993	2,112	0	2,761	31
Feb 1993	1,993	0	2,566	28
Jan 1993	2,195	0	2,767	27
Dec 1992	1,984	0	2,688	27
Nov 1992	2,161	0	3,200	30
Oct 1992	2,112	0	3,026	31
Sep 1992	2,055	0	3,144	30
Aug 1992	2,165	0	3,252	31
Jul 1992	2,282	0	2,836	31
Jun 1992	2,165	0	2,849	30
May 1992	2,288	0	3,626	31
Apr 1992	2,364	0	3,001	30
Mar 1992	2,488	0	3,549	31
Feb 1992	2,368	0	2,724	27
Jan 1992	2,659	0	2,744	31
Dec 1991	2,164	0	1,872	22
Nov 1991	1,875	0	2,319	24
Oct 1991	2,345	0	2,602	27
Sep 1991	2,089	0	1,862	30
Aug 1991	2,298	0	2,170	31
Jul 1991	2,323	0	1,582	31
Jun 1991	2,318	0	2,214	30
May 1991	2,347	0	1,072	31
Apr 1991	2,321	0	1,579	30
Mar 1991	2,458	0	2,012	31
Feb 1991	2,270	0	2,195	28
Jan 1991	2,522	0	1,452	31
Dec 1990	2,414	0	1,609	28
Nov 1990	2,491	0	1,550	30
Oct 1990	2,528	0	1,347	31
Sep 1990	2,520	0	1,008	30
Aug 1990	2,630	0	1,044	31
Jul 1990	2,696	0	1,144	31
Jun 1990	2,691	0	1,108	30
May 1990	2,786	0	919	31
Apr 1990	2,699	0	1,007	30
Mar 1990	2,829	0	1,007	31
Feb 1990	2,390	0	937	28
Jan 1990	2,708	0	930	31
Dec 1989	2,484	0	1,240	31
Nov 1989	1,866	0	1,741	30
Oct 1989	417	0	1,320	31
Sep 1989	252	0	2,040	30
Aug 1989	306	0	2,397	31
Jul 1989	170	0	1,608	25
Jun 1989	137	0	2,198	30
May 1989	186	0	2,490	31
Apr 1989	110	0	3,376	30
Mar 1989	195	0	2,257	31
Feb 1989	205	0	2,041	28
Jan 1989	274	0	2,464	31
Dec 1988	343	0	2,449	31
Nov 1988	417	0	2,386	30
Oct 1988	366	0	1,438	29
Sep 1988	238	0	773	30
Aug 1988	246	0	855	31
Jul 1988	281	0	994	31
Jun 1988	304	0	1,057	30
May 1988	350	0	1,147	28
Apr 1988	272	0	888	26
Mar 1988	355	0	1,028	30
Feb 1988	384	0	1,260	29
Jan 1988	600	0	1,928	31

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

Formation tops

South Dakota records 15 formations for this well, shallowest first.

Formation	Top (ft)	Age
Mowry Shale	340	Cretaceous
Dakota Mud	516	Cretaceous
Lakota Formation	926	Cretaceous
Morrison Formation	1,115	Jurassic
Sundance Formation	1,230	Triassic
Spearfish Formation	1,570	Triassic/Permian
Goose Egg Formation	1,754	Triassic/Permian
Minnekahta Limestone	1,984	Permian
Opeche Shale	2,018	Permian
Minnelusa Formation	2,164	Permian/Pennsylvanian
Converse Sand, Minnelusa Formation	2,224	Permian
Red Marker, Minnelusa Formation	2,548	Permian/Pennsylvanian
1st Leo Sandstone, Minnelusa Formation	2,570	Pennsylvanian
2nd Leo Sandstone, Minnelusa Formation	2,674	Pennsylvanian
3rd Leo Sandstone, Minnelusa Formation	2,740	Pennsylvanian

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

ProducingOil

Spudded

1987-08-21

Completed

1987-11-22

Measured depth

2,847 ft

True vertical depth

2,847 ft

Interval

Formation	Perforated (ft)
2nd Leo Sandstone, Minnelusa Formation	2,689–2,693

Location

43.254767, -103.889522

43.25477, -103.88952 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom

Every well in Fall River County, South Dakota

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