WELL · 42-371-31459 · DISTRICT 8
Shearer -A- #4H
Pecos County · Sun Valley (Tubb Lower) field · Horizontal
Shearer -A- #4H (API 42-371-31459) is a horizontal well in Pecos County operated by Last Mile Production LLC, completed August 29, 1975.
The RRC has issued one drilling permit, issued May 8, 2012, permitted to 4,900 ft.
It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Last Mile Production LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Yates, San Andres, Glorieta, Clear Fork.
Its lease has reported 81K barrels of oil and 69.1K mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 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.
Southlake, TX · P-5 Delinquent, filed Feb 18, 2025 · (817) 559-7079
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Last Mile Production LLC |
| Production reports | Last Mile Production, LLCthrough Sep 2025 |
| Latest permit | Sandridge Expl. and Prod., LLCMay 8, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,900
- total depth, ft
- 1
- permits on file
- May 8, 2012
- last permit issued
- Aug 29, 1975
- completed
- 81K
- cumulative oil, bbl
- 69.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 29, 1975
- 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 lease this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shearer -A- O-10-21634 | Sun Valley (Tubb, Lower) | Last Mile Production, LLC | 5 | 81K | 69.1K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 10 · prior 12 110(-91%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lawrence, C. F. & Assoc. Inc.Jan 1993 → Jul 1993
- 2Riata Energy, Inc.Aug 1993 → Nov 2006
- 3Sandridge Energy, Inc.Dec 2006 → May 2009
- 4Sandridge Expl. and Prod., LLCJun 2009 → Jan 2013
- 5Sheridan Production Company, LLCFeb 2013 → Jan 2017
- 6Iskandia Energy Operating, Inc.Mar 2017 → Dec 2023
- 7Last Mile Production, LLCJan 2024 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 738915-99 | Recompletion | Sandridge Expl. and Prod., LLC | Apr 24, 2012 | May 8, 2012 | Jun 4, 2012 | 4,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-21634 | — | — | — | — |
| — | — O-10-21634 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,393 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 920 | 1,473 |
| San Andres | 1,907 | 486 |
| Glorieta | 2,450 | -57 |
| Clear Fork | 2,665 | -272 |
| Clear ForkLOWER CLEAR FORK | 3,094 | -701 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,973 | 4,157 | Open hole |
| — | 3,304 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 670 | 11 | 550 S |
| 5.5 | 3,210 | 7.875 | 500 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 | Mar 17, 2016 | Feb 29, 2016 | — |
| 00 | Jan 12, 1984 | Sep 15, 1975 | — |
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 42-371-31459 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-31459 → 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/37131459, documented in the API reference.