TEXAS · WELLS · ROBERTSON COUNTY · CORPORA GAS UNIT LEASE · API 42-395-31685 · DISTRICT 05
Corpora Gas Unit #1
Robertson County · Calvert (Cotton Valley) field · Producing · Vertical
Corpora Gas Unit #1 (API 42-395-31685) is a well in Robertson County operated by Hilcorp Energy Company, completed January 17, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 20, 2009, permitted to 13,700 ft.
It was permitted by Xto Energy Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 6 formation tops, including Tac, Pettit, Travis Peak, Knowles.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by XTO Energy Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | XTO Energy Inc.Aug 20, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,700
- total depth, ft
- 1
- permits on file
- Aug 20, 2009
- last permit issued
- Jan 17, 2011
- completed
- 0
- cumulative oil, bbl
- 382K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 17, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 |
|---|---|---|---|---|---|---|
| Corpora Gas Unit G-5-255184 | Calvert (Cotton Valley) | Hilcorp Energy Company | 1 | 0 | 382K | Feb 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,996 · prior 12 2,245(+33%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1XTO Energy Inc.Feb 2010 → Dec 2023
- 2Hilcorp Energy CompanyJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 684045-99 | Drill | XTO Energy Inc. | Aug 12, 2009 | Aug 20, 2009 | Nov 22, 2009 | 13,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 17, 2011 | Corpora Gas Unit G-5-255184 | Calvert (Cotton Valley) | Hilcorp Energy Company | Producing | 13,700 |
Formation tops
As filed on W-2/G-1. Subsea from 277 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tac | 4,696 | -4,419 |
| Pettit | 7,889 | -7,612 |
| Travis Peak | 8,141 | -7,864 |
| Knowles | 10,798 | -10,521 |
| Bossier | 11,139 | -10,862 |
| CVL | 12,134 | -11,857 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,040 | 12,552 | Perforated |
| 11,968 | 12,552 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,875 | 12.25 | 560 S |
| 5.5 | 13,700 | 8.75 | 1,700 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 | Jun 15, 2011 | Mar 9, 2011 | — |
| 00 | Jun 9, 2010 | Mar 1, 2010 | Yes |
| 00 | Mar 26, 2010 | — | — |
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 42-395-31685 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-31685 → 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.
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/39531685, documented in the API reference.