WELL · 42-353-33347 · DISTRICT 7
County Line South #4
Nolan County · Hollins (Penn. Sand) field · Vertical
County Line South #4 (API 42-353-33347) is a well in Nolan County operated by Extex Operating Company, completed October 4, 2012.
The RRC has issued 2 drilling permits (amended once) between 2012 and 2015, permitted to 8,000 ft.
It was permitted by Mid-Con Energy Operating, LLC and has since transferred to Extex Operating Company on the wellbore schedule.
Completion filings report 2 formation tops, including Canyon, Hollins Canyon Sand.
Its 2 leases have reported 159K barrels of oil and 379K mcf of gas since June 2012, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mid-Con Energy Operating, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 117 permits on file · (713) 870-4327
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Mar 2026 |
| Latest permit | Mid-Con Energy Operating, LLCNov 13, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 3
- permits on file
- Nov 13, 2015
- last permit issued
- Oct 4, 2012
- completed
- 159K
- cumulative oil, bbl
- 379K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 4, 2012
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| County Line South O-8-31031 | Hollins (Penn. Sand) | Cholla Petroleum, Inc. | 5 | 51.9K | 229K | Jun 2012 – Jul 2026 |
| County Line South O-8-31861 | Sweetwater (Canyon Sand) | Extex Operating Company | 3 | 107K | 150K | Sep 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,938 · prior 12 8,439(-18%)
Gas, mcf lease total
Last 12 months 3,472 · prior 12 8,928(-61%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1L.C.S. Production CompanyJun 2012 → Aug 2014
- 2Mid-Con Energy Operating, LLCSep 2014 → Dec 2017
- 3Cholla Petroleum, Inc.Jan 2018 → Mar 2026
- 4Extex Operating CompanyMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 811867-99 | Recompletion | Mid-Con Energy Operating, LLC | Nov 10, 2015 | Nov 13, 2015 | Oct 16, 2015 | 6,002 |
| 743707-98 | Drill | L.C.S. Production Company | Aug 23, 2012 | Aug 3, 2012 | Sep 4, 2012 | 8,000 |
| 743707-99 | Drill | L.C.S. Production Company | Jun 27, 2012 | Aug 3, 2012 | — | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-31031 | — | — | — | — |
| — | — O-8-31861 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,228 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CanyonUPPER CANYON SAND | 5,166 | -2,938 |
| Hollins Canyon Sand | 5,662 | -3,434 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,166 | 5,168 | Perforated |
| 5,184 | 5,192 | Perforated |
| 5,662 | 5,675 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 388 | 12.25 | 400 S |
| 4.5 | 5,937 | 7.875 | 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 | Dec 3, 2015 | Dec 1, 2015 | Yes |
| 00 | Feb 20, 2013 | Dec 14, 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 42-353-33347 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-353-33347 → 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/35333347, documented in the API reference.