WELL · 42-289-31266 · DISTRICT 5
Upr/T-Bar-X King Cobra #1
Leon County · Stucky (Cotton Valley Lime) field · Producing · Directional
Upr/T-Bar-X King Cobra #1 (API 42-289-31266) is a well in Leon County operated by Hilcorp Energy Company, completed December 24, 1997 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended twice) between 1997 and 2026, permitted to 18,038 ft.
Completion filings report 6 formation tops, including Austin Chalk, Buda, Mass Anhydrite, Pettit.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Jun 2025 |
| Latest permit | Hilcorp Energy CompanyNov 2, 2026 |
- 18,038
- total depth, ft
- 4
- permits on file
- Nov 2, 2026
- last permit issued
- Dec 24, 1997
- completed
- 0
- cumulative oil, bbl
- 4.74M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 24, 1997
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.200705, -96.287173
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Leon County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Upr/T-Bar-X King Cobra G-5-167450 | Stucky (Cotton Valley Lime) | Hilcorp Energy Company | 1 | 0 | 4.74M | Dec 1997 – Jul 2026 |
Gas, mcf lease total
Last 12 months 7,571 · prior 12 54,727(-86%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJan 1998 → Apr 1999
- 2Myung and Associates, Inc.May 1999 → May 2000
- 3Tidy Energy Resources Inc.Jun 2000 → Jan 2003
- 4Paragon Energy, Inc.Feb 2003 → Jun 2008
- 5XTO Energy Inc.Jul 2008 → Dec 2023
- 6Hilcorp Energy CompanyJan 2024 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 919825-99 | Recompletion | Hilcorp Energy Company | Oct 29, 2026 | Nov 2, 2026 | — | 18,038 |
| 462858-97 | Drill | Union Pacific Resources Company | Mar 20, 1998 | May 27, 1997 | — | 18,038 |
| 462858-98 | Drill | Union Pacific Resources Company | Jan 9, 1998 | May 27, 1997 | — | 17,700 |
| 462858-99 | Drill | Union Pacific Resources Company | May 23, 1997 | May 27, 1997 | Jun 7, 1997 | 17,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-5-167450 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 348 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,020 | -4,672 |
| Buda | 6,040 | -5,692 |
| Mass Anhydrite | 8,260 | -7,912 |
| Pettit | 9,260 | -8,912 |
| Travis Peak | 9,650 | -9,302 |
| Cotton ValleyCOTTON VALLEY LIME | 16,222 | -15,874 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 16,512 | 16,532 | Perforated |
| 16,538 | 16,558 | Perforated |
| 16,562 | 16,582 | Perforated |
| 16,602 | 16,622 | Perforated |
| 16,654 | 16,674 | Perforated |
| 16,674 | 16,694 | Perforated |
| 16,717 | 16,737 | Perforated |
| 16,832 | 16,852 | Perforated |
| 16,869 | 16,889 | Perforated |
| 16,926 | 16,946 | Perforated |
| 16,976 | 16,996 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,613 | 17.5 | 1,720 S |
| 9.625 | 9,955 | 12.25 | 1,400 S |
| 7.625 | 15,888 | 8.5 | 160 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 | Apr 23, 1998 | Jan 20, 1998 | Yes |
| 00 | Apr 14, 1998 | — | — |
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 42-289-31266 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-289-31266 → 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.
Farley GD42-289-32184
0.9 KM · Comstock Oil & Gas, LLC · Section with this well →
| Nacatoch | 3,050 | -2,687 |
| Woodbine | 5,847 | -5,484 |
| Glen Rose | 7,413 | -7,050 |
| Rodessa | 8,542 | -8,179 |
| Pettit | 9,349 | -8,986 |
| Travis Peak | 9,784 | -9,421 |
| CV Knowles | 12,936 | -12,573 |
| Cotton Valley | 13,334 | -12,971 |
10 TOPS · FIRST 8
Glass RT42-289-32183
1.8 KM · Comstock Oil & Gas, LLC · Section with this well →
| Nacatoch | 3,007 | -2,701 |
| Woodbine | 5,716 | -5,410 |
| Glen Rose | 7,290 | -6,984 |
| Rodessa | 8,416 | -8,110 |
| Pettit | 9,205 | -8,899 |
| Travis Peak | 9,641 | -9,335 |
| CV Knowles | 12,793 | -12,487 |
| Cotton Valley | 13,186 | -12,880 |
10 TOPS · FIRST 8
Glass KG42-289-32219
1.8 KM · Comstock Oil & Gas, LLC · Section with this well →
| Nacatoch | 3,019 | -2,713 |
| Sub-Clarksville | 5,344 | -5,038 |
| Woodbine | 5,743 | -5,437 |
| Glen Rose | 7,300 | -6,994 |
| Rodessa | 8,422 | -8,116 |
| Pettit | 9,220 | -8,914 |
| Travis Peak | 9,647 | -9,341 |
| CV Knowles | 12,812 | -12,506 |
11 TOPS · FIRST 8
Bell Meyer42-289-32199
2.5 KM · Comstock Oil & Gas, LLC · Section with this well →
| Nacatoch | 3,039 | -2,714 |
| Sub-Clarksville | 5,398 | -5,073 |
| Woodbine | 5,784 | -5,459 |
| Glen Rose | 7,296 | -6,971 |
| Rodessa | 8,497 | -8,172 |
| Pettit | 9,200 | -8,875 |
| Travis Peak | 9,622 | -9,297 |
| Cotton Valley | 12,761 | -12,436 |
10 TOPS · FIRST 8
Harrison WA42-289-32185
2.7 KM · Comstock Oil & Gas, LLC · Section with this well →
| Nacatoch | 3,138 | -2,760 |
| Woodbine | 5,874 | -5,496 |
| Glen Rose | 7,486 | -7,108 |
| Rodessa | 8,620 | -8,242 |
| Pettit | 9,423 | -9,045 |
| Travis Peak | 9,868 | -9,490 |
| CV Knowles | 13,026 | -12,648 |
| Cotton Valley | 13,430 | -13,052 |
10 TOPS · FIRST 8
Golf Lake42-395-32020
3.2 KM · Aethon Energy Operating LLC · Section with this well →
| Nacatoch | 3,102 | -2,736 |
| Austin Chalk | 4,692 | -4,326 |
| Woodbine | 5,751 | -5,385 |
| Buda | 5,848 | -5,482 |
| Georgetown | 5,977 | -5,611 |
| Edwards | 6,578 | -6,212 |
| Paluxy | 6,807 | -6,441 |
| Travis Peak | 9,555 | -9,189 |
9 TOPS · FIRST 8
Topsy42-395-32069
3.4 KM · Aethon Energy Operating LLC · Section with this well →
| Nacatoch | 2,865 | -2,525 |
| Austin Chalk | 4,860 | -4,520 |
| Woodbine | 5,529 | -5,189 |
| Buda | 5,857 | -5,517 |
| Georgetown | 6,015 | -5,675 |
| Edwards | 6,506 | -6,166 |
| Paluxy | 6,997 | -6,657 |
| Travis Peak | 9,506 | -9,166 |
9 TOPS · FIRST 8
Topsy42-395-32081
3.4 KM · Aethon Energy Operating LLC · Section with this well →
| Nacatoch | 4,243 | -3,903 |
| Austin Chalk | 4,881 | -4,541 |
| Woodbine | 5,542 | -5,202 |
| Buda | 5,894 | -5,554 |
| Georgetown | 6,025 | -5,685 |
| Edwards | 6,520 | -6,180 |
| Edwards | 6,520 | -6,180 |
| Paluxy | 7,020 | -6,680 |
11 TOPS · FIRST 8
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
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