WELL · 42-461-37101 · DISTRICT 7
Shirk 1 #4
Upton County · Spraberry (Trend Area) field · Vertical
Shirk 1 #4 (API 42-461-37101) is a plugged well in Upton County, plugged June 25, 2021, last operated by Petroplex Energy Inc..
The RRC has issued one drilling permit, issued March 8, 2011, permitted to 9,880 ft.
It was permitted by Chevron U. S. A. Inc. and has since transferred to Petroplex Energy Inc. on the wellbore schedule.
Completion filings report 7 formation tops, including Yates, San Andres, Clear Fork, Spraberry.
Its lease has reported 7.11K barrels of oil and 27.4K mcf of gas since August 2011, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Chevron U. S. A. Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 182 permits on file · (432) 687-2222
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Petroplex Energy Inc. |
| Production reports | Petroplex Energy Inc.through Apr 2026 |
| Latest permit | Chevron U. S. A. Inc.Mar 8, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,880
- total depth, ft
- 1
- permits on file
- Mar 8, 2011
- last permit issued
- Jan 28, 2014
- completed
- 7.11K
- cumulative oil, bbl
- 27.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 28, 2014
- Shut in
- —
- Plugged
- Jun 25, 2021
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shirk "1" O-9-17620 | Spraberry (Trend Area) | Petroplex Energy Inc. | 3 | 7.11K | 27.4K | Aug 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 257 · prior 12 285(-10%)
Gas, mcf lease total
Last 12 months 325 · prior 12 1,474(-78%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Apr 2012 → Nov 2018
- 2Hibernia Resources III, LLCDec 2018 → Dec 2019
- 3Petroplex Energy Inc.Jan 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 701463-99 | Drill | Chevron U. S. A. Inc. | Aug 30, 2010 | Mar 8, 2011 | Mar 20, 2011 | 9,880 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17620 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,583 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,343 | 240 |
| San Andres | 4,037 | -1,454 |
| Clear ForkCLEARFORK | 5,863 | -3,280 |
| Spraberry | 6,450 | -3,867 |
| Wolfcamp | 7,856 | -5,273 |
| Strawn | 9,262 | -6,679 |
| Atoka | 9,372 | -6,789 |
| Atoka | — | — |
| Clear ForkCLEARFORK | — | — |
| San Andres | — | — |
| Spraberry | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,632 | 6,920 | Perforated |
| 7,050 | 7,350 | Perforated |
| 7,506 | 7,786 | Perforated |
| 7,913 | 8,192 | Perforated |
| 8,309 | 8,728 | Perforated |
| 8,890 | 8,910 | Perforated |
| 9,098 | 9,372 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 486 | 12.25 | 350 S |
| 5.5 | 9,897 | 8.75 | 960 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 | Apr 16, 2015 | Mar 4, 2015 | — |
| 00 | Jul 25, 2013 | Jun 27, 2013 | — |
| 00 | Dec 20, 2012 | Dec 12, 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 42-461-37101 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-37101 → 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/46137101, documented in the API reference.