TEXAS · WELLS · FREESTONE COUNTY · WINFREE GAS UNIT LEASE · API 42-161-34139 · DISTRICT 05
Winfree Gas Unit #21
Freestone County · Teague (CV-Bossier Cons.) field · Producing · Vertical
Winfree Gas Unit #21 (API 42-161-34139) is a well in Freestone County operated by Hilcorp Energy Company, completed February 20, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 22, 2008, permitted to 11,895 ft.
It was permitted by Xto Energy Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 5 formation tops, including BMA, 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.May 22, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,895
- total depth, ft
- 1
- permits on file
- May 22, 2008
- last permit issued
- Feb 20, 2009
- completed
- 0
- cumulative oil, bbl
- 582K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 20, 2009
- 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 |
|---|---|---|---|---|---|---|
| Winfree Gas Unit G-5-247922 | Teague (CV-Bossier Cons.) | Hilcorp Energy Company | 1 | 0 | 582K | Feb 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 7,094 · prior 12 10,169(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1XTO Energy Inc.Feb 2009 → Dec 2023
- 2Hilcorp Energy CompanyJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 661317-99 | Drill | XTO Energy Inc. | May 6, 2008 | May 22, 2008 | Jan 5, 2009 | 13,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 20, 2009 | Winfree Gas Unit G-5-247922 | Teague (CV-Bossier Cons.) | Hilcorp Energy Company | Producing | 11,895 |
Formation tops
As filed on W-2/G-1. Subsea from 508 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BMA | 7,456 | -6,948 |
| Pettit | 8,129 | -7,621 |
| Travis Peak | 8,355 | -7,847 |
| Knowles | 10,509 | -10,001 |
| Bossier | 11,341 | -10,833 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,350 | 11,742 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,110 | 12.25 | 410 S |
| 5.5 | 11,895 | 8.75 | 1,225 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 30, 2009 | Mar 30, 2009 | Yes |
| 00 | Jun 11, 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 42-161-34139 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-161-34139 → 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/16134139, documented in the API reference.