WELL · 42-401-34845 · DISTRICT 6
Sparkman Gas Unit #1
Rusk County · Brachfield S.E. (Cotton Valley) field · Vertical
Sparkman Gas Unit #1 (API 42-401-34845) is a well in Rusk County operated by Buffco Production Inc., completed November 14, 2008.
The RRC has issued 2 drilling permits between 2008 and 2025, permitted to 12,000 ft.
Completion filings report 9 formation tops, including Pettit, Cotton Valley, Upper Cv-3, Uw-3.
Its 2 leases have reported 5 barrels of oil and 743K mcf of gas since October 2008, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Longview, TX · P-5 Y, filed Sep 4, 2025 · 396 permits on file · (903) 736-4697
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buffco Production Inc. |
| Production reports | Buffco Production Inc.through Oct 2025 |
| Latest permit | Buffco Production Inc.Jul 28, 2025 |
- 12,000
- total depth, ft
- 2
- permits on file
- Jul 28, 2025
- last permit issued
- Nov 14, 2008
- completed
- 5
- cumulative oil, bbl
- 743K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 14, 2008
- Shut in
- —
- Plugged
- —
Surface location
32.042208, -94.705731
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Rusk 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 |
|---|---|---|---|---|---|---|
| Sparkman Gas Unit G-6-244493 | Brachfield, S.E. (Cotton Valley) | Buffco Production Inc. | 1 | 0 | 743K | Oct 2008 – Jul 2026 |
| Sparkman Gas Unit O-6-16146 | Henderson (Rusk Co. Pettit) | Buffco Production Inc. | 1 | 5 | 0 | Sep 2025 – Jul 2026 |
Gas, mcf lease total
Last 12 months 263 · prior 12 1,560(-83%)
Oil, barrels lease total
Last 12 months 5 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enervest Operating, L.L.C.Oct 2008 → Jan 2014
- 2Quantum Resources Management,llcFeb 2014 → Dec 2014
- 3Breitburn Operating L.P.Jan 2015 → Apr 2020
- 4Mud Creek Operating, LLCJul 2020 → Oct 2024
- 5Buffco Production Inc.Jan 2025 → Oct 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 909499-99 | Recompletion | Buffco Production Inc. | Jul 28, 2025 | Jul 28, 2025 | — | 10,816 |
| 665827-99 | Drill | Enervest Operating, L.L.C. | Jul 1, 2008 | Jul 22, 2008 | Sep 12, 2008 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-244493 | — | — | — | — |
| — | — O-6-16146 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 435 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pettit | 6,900 | -6,465 |
| Cotton ValleyBASE COTTON VALLEY | 9,396 | -8,961 |
| Cotton ValleyBASE OF COTTON VALLEY | 9,396 | -8,961 |
| Upper CV-3 | 9,839 | -9,404 |
| UW-3 | 9,839 | -9,404 |
| Ucv-5 | 10,295 | -9,860 |
| Upper CV-5 | 10,295 | -9,860 |
| CV Taylor Marker | 10,438 | -10,003 |
| CV Taylor MKR | 10,438 | -10,003 |
| TaylorBASE OF TAYLOR | 10,688 | -10,253 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,006 | 7,012 | Perforated |
| 9,434 | 9,793 | Perforated |
| 9,991 | 10,328 | Perforated |
| 10,523 | 10,562 | Perforated |
| 10,653 | 10,657 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,320 | 12.25 | 680 S |
| 4.5 | 10,812 | 8.75 | 1,561 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 29, 2025 | Oct 13, 2025 | — |
| 00 | Feb 11, 2009 | Jan 20, 2009 | Yes |
| 00 | Jan 31, 2009 | — | — |
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 42-401-34845 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-401-34845 → 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.
Sparkman Gas Unit42-401-34979
0.2 KM · Enervest Operating, L.L.C. · Section with this well →
| Top Massive Anhirte | 6,080 | -5,638 |
| BTM Massive Anhirte | 6,223 | -5,781 |
| James Lime | 6,700 | -6,258 |
| Pettit | 6,939 | -6,497 |
| Travis Peak | 7,287 | -6,845 |
| Travis Peak | 7,301 | -6,859 |
Sparkman Gas Unit42-401-34978
0.4 KM · Enervest Operating, L.L.C. · Section with this well →
| Top Massive Anhirte | 6,067 | -5,625 |
| BTM Massive Anhirte | 6,211 | -5,769 |
| James Lime | 6,683 | -6,241 |
| Pettit | 6,924 | -6,482 |
| Travis Peak | 7,272 | -6,830 |
| Travis Peak | 7,288 | -6,846 |
Harrell Gas Unit No. 142-401-33958
0.8 KM · Tanos Exploration II, LLC · Section with this well →
| Rodessa | 6,200 | -5,791 |
| Pettit | 6,910 | -6,501 |
| Travis Peak | 7,260 | -6,851 |
Harrell Gas Unit No. 242-401-34705
1.1 KM · Tanos Exploration II, LLC · Section with this well →
| Anhydrite | 5,950 | -5,535 |
| Rodessa | 6,225 | -5,810 |
| James Lime | 6,720 | -6,305 |
| Pettit | 6,960 | -6,545 |
| Travis Peak | 7,310 | -6,895 |
| Taylor | 10,500 | -10,085 |
Jarrell42-401-34751
1.6 KM · Enervest Operating, L.L.C. · Section with this well →
| Nacatoch | 2,295 | -1,817 |
| Woodbine | 3,200 | -2,722 |
| Woodbine | 3,200 | -2,722 |
| Woodbine | 3,200 | -2,722 |
| Paluxy | 4,338 | -3,860 |
| Rodessa | 6,329 | -5,851 |
| Pettit | 7,013 | -6,535 |
| Pettit | 7,013 | -6,535 |
12 TOPS · FIRST 8
Harrell GU1-Harrell GU2 (Alloc)42-401-35375
1.7 KM · Tanos Exploration II, LLC · Section with this well →
| Nacatoch | 1,990 | -1,501 |
| Paluxy | 4,322 | -3,833 |
| Rodessa | 6,330 | -5,841 |
| Pettit | 6,972 | -6,483 |
| Travis Peak | 7,263 | -6,774 |
| Cotton Valley | 9,241 | -8,752 |
| Woodbine | — |
Harrell Gas Unit No. 142-401-34448
1.7 KM · Enervest Operating, L.L.C. · Section with this well →
| Nacatoch | 2,000 | -1,497 |
| Woodbine | 3,000 | -2,497 |
| Paluxy | 4,000 | -3,497 |
| Rodessa | 5,000 | -4,497 |
| Pettit | 6,000 | -5,497 |
| Travis Peak | 7,800 | -7,297 |
| Cotton Valley | 9,475 | -8,972 |
| Bcvl | 9,475 | -8,972 |
10 TOPS · FIRST 8
H D Maxwell et AL42-401-34461
1.9 KM · Tanos Exploration II, LLC · Section with this well →
| Rodessa | 6,187 | -5,722 |
| James Lime | 6,662 | -6,197 |
| Pettit | 6,902 | -6,437 |
| Travis Peak | 7,252 | -6,787 |
| CV Taylor | 10,472 | -10,007 |
| Bossier | 10,790 | -10,325 |
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/40134845, documented in the API reference.