WELL · 42-423-31950 · DISTRICT 6
Swann M. C. #11
Smith County · Overton (Cotton Valley Sand) field · Directional
Swann M. C. #11 (API 42-423-31950) is a well in Smith County operated by Breitburn Operating L.P., completed September 25, 2005.
The RRC has issued 2 drilling permits between 2005 and 2021, permitted to 12,000 ft.
Completion filings report 5 formation tops, including Massive Anhydrite (marker), Travis Peak, Cotton Valley, Taylor.
Its 2 leases have reported 3.45K barrels of oil and 702K mcf of gas since September 2005, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Keithville, LA · P-5 Y, filed Mar 4, 2026 · 323 permits on file · (866) 616-9445
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Breitburn Operating L.P. |
| Production reports | Diversified Production LLCthrough Apr 2026 |
| Latest permit | Breitburn Operating L.P.May 14, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- May 14, 2021
- last permit issued
- Sep 25, 2005
- completed
- 3.45K
- cumulative oil, bbl
- 702K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 25, 2005
- Shut in
- —
- Plugged
- —
Surface location
32.146406, -95.094148
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Smith County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Swann, M. C. O-6-15824 | Overton (Travis Peak) | Diversified Production LLC | 1 | 3.45K | 25.7K | Aug 2021 – Jul 2026 |
| Swann, M. C. G-6-215051 | Overton (Cotton Valley Sand) | Breitburn Operating L.P. | 1 | 0 | 676K | Sep 2005 – Oct 2023 |
Gas, mcf lease total
Last 12 months 1,574 · prior 12 6,870(-77%)
Oil, barrels lease total
Last 12 months 465 · prior 12 664(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Encore Operating, L.P.Sep 2005 → Aug 2010
- 2Quantum Resources Management,llcSep 2010 → Dec 2014
- 3Breitburn Operating L.P.Jan 2015 → Sep 2024
- 4Diversified Production LLCOct 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 869104-99 | Recompletion | Breitburn Operating L.P. | Apr 14, 2021 | May 14, 2021 | May 24, 2021 | 11,950 |
| 561042-99 | Drill | Encore Operating, L.P. | Apr 25, 2005 | Apr 28, 2005 | Aug 6, 2005 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-215051 | — | — | — | — |
| — | — O-6-15824 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 475 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)BASE MASSIVE ANHYDRITE | 7,471 | -6,996 |
| Travis Peak | 8,293 | -7,818 |
| Cotton Valley | 10,229 | -9,754 |
| Cotton ValleyTOP COTTON VALLEY | 10,229 | -9,754 |
| TaylorTAYLOR SAND | 11,594 | -11,119 |
| Bosiser Shale | 11,850 | -11,375 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,393 | 8,418 | Perforated |
| 11,605 | 11,746 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 4,500 | 11 | 1,245 S |
| 5.5 | 11,950 | 7.875 | 1,144 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 27, 2021 | Sep 14, 2021 | — |
| 00 | Aug 10, 2006 | Oct 7, 2005 | Yes |
| 00 | Apr 6, 2006 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-423-31950 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-423-31950 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Swann, M.C.42-423-31995
0.3 KM · Encore Operating, L.P. · Section with this well →
| Buda | 5,143 | -4,640 |
| Travis Peak | 8,546 | -8,043 |
| Cotton Valley | 10,272 | -9,769 |
| Cotton Valley | 10,272 | -9,769 |
| Taylor | 11,577 | -11,074 |
| Bossier | 11,843 | -11,340 |
Swann, M.C.42-423-31949
0.6 KM · Encore Operating, L.P. · Section with this well →
| Cotton Valley | 10,289 | -9,851 |
| Taylor | 11,614 | -11,176 |
| Bossier | 11,874 | -11,436 |
McElroy42-423-31924
0.7 KM · Encore Operating, L.P. · Section with this well →
| Massive Anhydrite (marker) | 7,224 | -6,035 |
| Pettit | 8,100 | -6,911 |
| Travis Peak | 8,341 | -7,152 |
| Cotton Valley | 10,242 | -9,053 |
| Taylor | 11,546 | -10,357 |
Moore-Swann-McElroy (Alloc)42-423-32416
1.0 KM · Tanos Exploration II, LLC · Section with this well →
| Nacatoch | 2,500 | -1,990 |
| Woodbine | 4,020 | -3,510 |
| Paluxy | 5,550 | -5,040 |
| Rodessa | 7,460 | -6,950 |
| Pettit | 8,120 | -7,610 |
| Travis Peak | 8,360 | -7,850 |
| Cotton Valley | 10,360 | -9,850 |
Swann-McElroy (Alloc)42-423-32417
1.0 KM · Tanos Exploration II, LLC · Section with this well →
| Nacatoch | 2,490 | -1,977 |
| Woodbine | 4,010 | -3,497 |
| Paluxy | 5,530 | -5,017 |
| Rodessa | 7,440 | -6,927 |
| Pettit | 8,100 | -7,587 |
| Travis Peak | 8,340 | -7,827 |
| Cotton Valley | 10,340 | -9,827 |
McElroy A42-073-31154
1.2 KM · Windsor Energy Group, L.L.C. · Section with this well →
| Pettit | 8,194 | -7,714 |
| Travis Peak | 8,470 | -7,990 |
| Cotton Valley | 10,284 | -9,804 |
| Bossier | 11,825 | -11,345 |
Wilson, David G.42-423-32014
1.8 KM · Encore Operating, L.P. · Section with this well →
| Nacatoch | 2,230 | -1,751 |
| Woodbine | 3,743 | -3,264 |
| Paluxy | 5,482 | -5,003 |
| Rodessa | 7,382 | -6,903 |
| Pettit | 8,041 | -7,562 |
| Travis Peak | 8,278 | -7,799 |
| Cotton Valley | 10,204 | -9,725 |
| Cotton Valley | 10,384 | -9,905 |
10 TOPS · FIRST 8
Bright42-423-30834
1.8 KM · Faulconer Energy, LLC · Section with this well →
| Base Massive | 7,405 | -6,925 |
| Rodessa | 7,424 | -6,944 |
| Sligo | 8,040 | -7,560 |
| Pettit | 8,160 | -7,680 |
| Travis Peak | 8,301 | -7,821 |
| Taylor | 11,489 | -11,009 |
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/42331950, documented in the API reference.