WELL · 42-353-33115 · DISTRICT 7
Ludlum South Unit #3
Nolan County · Auld (Cisco Sand) field · Producing · Vertical
Ludlum South Unit #3 (API 42-353-33115) is a well in Nolan County operated by Extex Operating Company, completed January 25, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 18, 2009, permitted to 4,999 ft.
It was permitted by Cholla Petroleum, Inc. and has since transferred to Extex Operating Company on the wellbore schedule.
Completion filings report 2 formation tops, including Noodle Creek, Flippen.
Its lease has reported 201K barrels of oil since January 2010, last reporting in July 2026.
Operator of record
Permitted by Cholla Petroleum, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 7, 2026
- Permits on file
- 117
- Phone
- (713) 953-0824
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Mar 2026 |
| Latest permit | Cholla Petroleum, Inc.Nov 18, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 1
- permits on file
- Nov 18, 2009
- last permit issued
- Jan 25, 2010
- completed
- 201K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 25, 2010
- 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 |
|---|---|---|---|---|---|---|
| Ludlum South Unit O-8-30493 | Auld (Cisco Sand) | Extex Operating Company | 1 | 201K | 0 | Jan 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,459 · prior 12 2,109(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cholla Petroleum, Inc.Feb 2010 → Feb 2026
- 2Extex Operating CompanyMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 687536-99 | Drill | Cholla Petroleum, Inc. | Nov 18, 2009 | Nov 18, 2009 | Jan 5, 2010 | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-30493 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,180 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Noodle Creek | 3,614 | -1,434 |
| Flippen | 3,939 | -1,759 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,192 | 4,197 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 210 | 12.25 | 130 S |
| 5.5 | 4,205 | 7.875 | 260 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 8, 2010 | Jan 29, 2010 | Yes |
| 00 | Mar 15, 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 42-353-33115 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-353-33115 → 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/35333115, documented in the API reference.