TEXAS · WELLS · MIDLAND COUNTY · TXL "23" LEASE · API 42-329-34725 · DISTRICT 7B
TXL 23 #4
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Txl 23 #4 (API 42-329-34725) is a well in Midland County operated by Cog Operating LLC, completed August 6, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 23, 2002, permitted to 10,391 ft.
It was permitted by Terrace Petroleum Corporation and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 603K barrels of oil and 1.08M mcf of gas since July 2001, last reporting volume in April 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Terrace Petroleum Corporation; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Terrace Petroleum CorporationMay 23, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,391
- total depth, ft
- 1
- permits on file
- May 23, 2002
- last permit issued
- Aug 6, 2002
- completed
- 603K
- cumulative oil, bbl
- 1.08M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2001 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 6, 2002
- 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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| TXL "23" O-10-36677 | Spraberry (Trend Area) | COG Operating LLC | 8 | 603K | 1.08M | Jul 2001 – Apr 2026 |
Oil, barrels lease total
Last 12 months 12,907 · prior 12 15,582(-17%)
Gas, mcf lease total
Last 12 months 23,789 · prior 12 20,474(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Terrace Petroleum CorporationJul 2001 → Sep 2005
- 2LCX Energy, LLCOct 2005 → Sep 2009
- 3Endeavor Energy Resources L.P.Oct 2009 → Oct 2020
- 4COG Operating LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 520202-99 | Drill | Terrace Petroleum Corporation | May 21, 2002 | May 23, 2002 | Jun 11, 2002 | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 6, 2002 | TXL 23 O-10-36677 | Spraberry (Trend Area) | COG Operating LLC | Producing | 10,391 |
Formation tops
As filed on W-2/G-1. Subsea from 2,888 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,804 | 10,195 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 337 | 17.5 | 325 S |
| 8.625 | 5,310 | 11 | 400 S |
| 4.5 | 10,391 | 7.875 | 1,050 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 24, 2002 | Aug 22, 2002 | Yes |
| 00 | Oct 7, 2002 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-329-34725 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-34725 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/32934725, documented in the API reference.