TEXAS · WELLS · ANDREWS COUNTY · NIX-SOUTH UNIT LEASE · API 42-003-42518 · DISTRICT 7B
Nix-South Unit #25H
Andrews County · Nix South field · Producing · Horizontal
Nix-South Unit #25H (API 42-003-42518) is a horizontal well in Andrews County operated by Montare Operating Ltd., completed April 15, 2011 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2011 and 2012, permitted to 7,518 ft.
It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Montare Operating Ltd. on the wellbore schedule.
Completion filings report 3 formation tops, including Grayburg, San Andres, Wichita-Albany.
Its lease has reported 131K barrels of oil and 94.3K mcf of gas since January 1993, last reporting in July 2026. The lease carries 17 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Sandridge Expl. and Prod., LLC; the EWA schedule now lists a different operator.
- Based in
- Flower Mound, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 17, 2026
- Permits on file
- 21
- Phone
- (469) 993-1960
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Montare Operating, Ltd.through Apr 2026 |
| Latest permit | Sandridge Expl. and Prod., LLCSep 21, 2012 |
- 7,518
- total depth, ft
- 2
- permits on file
- Sep 21, 2012
- last permit issued
- Apr 15, 2011
- completed
- 131K
- cumulative oil, bbl
- 94.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 15, 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; they carry 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Nix-South Unit O-10-20638 | Nix, South | Montare Operating, Ltd. | 17 | 131K | 94.3K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 665 · prior 12 829(-20%)
Gas, mcf lease total
Last 12 months 407 · prior 12 623(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Jaxploration Company L.C.Jan 1993 → Aug 1993
- 2Umc Petroleum CorporationSep 1993 → Dec 1995
- 3Stratco Operating Co., Inc.Jan 1996 → Aug 1996
- 4Friemel, Paul D. & Assoc., Inc.Sep 1996 → Jun 2005
- 5OK Arena Operating CompanyJul 2005 → Jul 2010
- 6Sandridge Expl. and Prod., LLCAug 2010 → Oct 2018
- 7Avalon TX Operating, LLCNov 2018 → Jul 2021
- 8Montare Operating, Ltd.Aug 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 748223-99 | Recompletion | Sandridge Expl. and Prod., LLC | Sep 13, 2012 | Sep 21, 2012 | — | 7,500 |
| 708509-99 | Drill | Sandridge Expl. and Prod., LLC | Jan 13, 2011 | Jan 18, 2011 | Feb 27, 2011 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 15, 2011 | Nix-South Unit O-10-20638 | Nix South | Montare Operating Ltd. | Producing | 7,518 |
Formation tops
As filed on W-2/G-1. Subsea from 3,274 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| GrayburgLOWER GRAYBURG | 4,440 | -1,166 |
| San Andres | 4,490 | -1,216 |
| Wichita-AlbanyWICHITA ALBANY | 7,200 | -3,926 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,312 | 7,370 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,660 | 12.25 | 770 S |
| 5.5 | 7,518 | 7.875 | 850 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 7, 2012 | May 11, 2011 | 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 42-003-42518 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-42518 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/00342518, documented in the API reference.