WELL · 42-329-31611 · DISTRICT 8
Sandefur #1
Midland County · Horselot (Strawn) field · Vertical
Sandefur #1 (API 42-329-31611) is a plugged well in Midland County, plugged March 13, 2014, last operated by Southwest Royalties Inc..
The RRC has issued 2 drilling permits between 1985 and 1988, permitted to 12,300 ft.
Completion filings report 6 formation tops, including Spraberry, Wolfcamp, Strawn, Atoka.
Its 2 leases have reported 37.2K barrels of oil and 425K mcf of gas since January 1993, last reporting in June 2015. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Oct 4, 2025 · 497 permits on file · (432) 770-0615
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Southwest Royalties Inc. |
| Production reports | Southwest Royalties, Inc.through Aug 2013 |
| Latest permit | Southwest Royalties, Inc.Apr 29, 1988 |
- 12,300
- total depth, ft
- 2
- permits on file
- Apr 29, 1988
- last permit issued
- Apr 22, 1988
- completed
- 37.2K
- cumulative oil, bbl
- 425K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 22, 1988
- Shut in
- —
- Plugged
- Mar 13, 2014
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sandefur O-10-30461 | Azalea (Devonian) | Southwest Royalties, Inc. | 1 | 27.9K | 402K | Jan 1993 – Jun 2015 |
| Sandefur O-10-31789 | Horselot (Strawn) | Southwest Royalties, Inc. | 1 | 9.3K | 23.8K | Jan 1993 – Dec 1995 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southwest Royalties, Inc.Jan 1993 → Aug 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 345864-99 | Recompletion | Southwest Royalties, Inc. | Apr 29, 1988 | Apr 29, 1988 | — | 12,186 |
| 287750-99 | Drill | Devonian, Inc. | Dec 3, 1985 | Oct 18, 1985 | — | 12,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-30461 | — | — | — | — |
| — | — O-10-31789 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,754 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,454 | 10,556 | Perforated |
| 10,543 | 10,556 | Perforated |
| 11,536 | 11,590 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 300 | 24.5 | 320 S |
| 9.625 | 4,399 | 12.25 | 280 S |
| 5.5 | 12,206 | 7.875 | 630 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 | Oct 25, 1995 | Sep 12, 1995 | — |
| 00 | May 16, 1988 | May 2, 1988 | Yes |
| 00 | May 11, 1988 | — | — |
| 00 | Feb 21, 1986 | Feb 3, 1986 | Yes |
| 00 | Feb 8, 1986 | — | — |
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 42-329-31611 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-31611 → 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/32931611, documented in the API reference.