WELL · 42-461-37907 · DISTRICT 7
TXL 21 #16
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Txl 21 #16 (API 42-461-37907) is a well in Upton County operated by Winn Operating LLC, completed June 20, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 22, 2012, permitted to 12,000 ft.
It was permitted by Cog Operating LLC and has since transferred to Winn Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Bend.
Its lease has reported 334K barrels of oil and 1.67M mcf of gas since May 2012, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by COG Operating LLC; the EWA schedule now lists a different operator.
- Based in
- Kilgore, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 23, 2026
- Permits on file
- 1
- Phone
- (903) 984-3443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Winn Operating LLC |
| Production reports | Winn Operating, LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCFeb 22, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Feb 22, 2012
- last permit issued
- Jun 20, 2012
- completed
- 334K
- cumulative oil, bbl
- 1.67M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 20, 2012
- 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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| TXL '21' O-9-17975 | Spraberry (Trend Area) | Winn Operating, LLC | 6 | 334K | 1.67M | May 2012 – Jul 2026 |
Gas, mcf lease total
Last 12 months 7,604 · prior 12 38,929(-80%)
Oil, barrels lease total
Last 12 months 1,873 · prior 12 5,887(-68%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCMay 2012 → May 2025
- 2Winn Operating, LLCJun 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 732971-99 | Drill | COG Operating LLC | Feb 2, 2012 | Feb 22, 2012 | Apr 5, 2012 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17975 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,842 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,800 | 10,810 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 818 | 13.5 | 580 S |
| 5.5 | 11,068 | 7.875 | 760 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 | Jul 23, 2013 | Sep 13, 2012 | 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 42-461-37907 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-37907 → 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/46137907, documented in the API reference.