TEXAS · WELLS · GLASSCOCK COUNTY · FRIO LEASE · API 42-173-35044 · DISTRICT 7B
Frio #4
Glasscock County · Spraberry (Trend Area) field · Producing · Vertical
Frio #4 (API 42-173-35044) is a well in Glasscock County operated by Hannathon Petroleum II LLC, completed October 4, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 6, 2012, permitted to 10,205 ft.
It was permitted by Energen Resources Corporation and has since transferred to Hannathon Petroleum II LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Strawn.
Its lease has reported 64.7K barrels of oil and 199K mcf of gas since August 2010, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 4, 2026
- Permits on file
- 107
- Phone
- (713) 357-9663
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hannathon Petroleum II LLC |
| Production reports | Hannathon Petroleum II, LLCthrough Apr 2026 |
| Latest permit | Energen Resources CorporationJun 6, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,205
- total depth, ft
- 2
- permits on file
- Jun 6, 2012
- last permit issued
- Oct 4, 2012
- completed
- 64.7K
- cumulative oil, bbl
- 199K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 4, 2012
- 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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Frio O-10-40572 | Spraberry (Trend Area) | Hannathon Petroleum II, LLC | 4 | 64.7K | 199K | Aug 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,561 · prior 12 1,610(-3%)
Gas, mcf lease total
Last 12 months 7,811 · prior 12 8,236(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Energen Resources CorporationMay 2011 → Jan 2019
- 2Diamondback E&P LLCFeb 2019 → Mar 2023
- 3Hannathon Petroleum II, LLCApr 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 741729-98 | Drill | Energen Resources Corporation | Jan 27, 2014 | Jun 6, 2012 | Jul 22, 2012 | 11,000 |
| 741729-99 | Drill | Energen Resources Corporation | May 30, 2012 | Jun 6, 2012 | Jul 22, 2012 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 4, 2012 | Frio O-10-40572 | Spraberry (Trend Area) | Hannathon Petroleum II LLC | Producing | 10,205 |
Formation tops
As filed on W-2/G-1. Subsea from 2,722 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,042 | 6,303 | Perforated |
| 6,422 | 6,659 | Perforated |
| 6,856 | 7,135 | Perforated |
| 7,786 | 7,977 | Perforated |
| 8,079 | 8,359 | Perforated |
| 8,636 | 8,919 | Perforated |
| 9,576 | 9,943 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 455 | 17.5 | 1,230 S |
| 8.625 | 5,199 | 11 | 1,500 S |
| 5.5 | 10,161 | 7.875 | 1,600 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 | Sep 27, 2013 | Oct 25, 2012 | Yes |
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 42-173-35044 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-35044 → 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/17335044, documented in the API reference.