WELL · 42-507-33465 · DISTRICT 1
Cosmed Unit Zav D #4H
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Cosmed Unit Zav D #4H (API 42-507-33465) is a horizontal well in Zavala County operated by Exco Operating Company LP, completed January 25, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 9, 2022, permitted to 7,000 ft.
Completion filings report 6 formation tops, including Escondido, Olmos, San Miguel, Anacacho.
Its lease has reported 142K barrels of oil and 60.2K mcf of gas since September 2022, last reporting in July 2026.
Operator of record
Dallas, TX · P-5 Y, filed May 4, 2026 · 515 permits on file · (888) 788-3781
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Exco Operating Company LP |
| Production reports | Exco Operating Company, LPthrough Apr 2026 |
| Latest permit | Exco Operating Company, LPJun 9, 2022 |
- 7,000
- total depth, ft
- 1
- permits on file
- Jun 9, 2022
- last permit issued
- Jan 25, 2023
- completed
- 142K
- cumulative oil, bbl
- 60.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 25, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.806521, -99.601065
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Zavala County.
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cosmed Unit Zav D O-1-20782 | Briscoe Ranch (Eagleford) | Exco Operating Company, LP | 1 | 142K | 60.2K | Sep 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 22,319 · prior 12 30,675(-27%)
Gas, mcf lease total
Last 12 months 14,713 · prior 12 22,936(-36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exco Operating Company, LPJan 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 880721-99 | Drill | Exco Operating Company, LP | Jun 1, 2022 | Jun 9, 2022 | Aug 21, 2022 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-20782 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 807 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 2,957 | -2,150 |
| Olmos | 3,928 | -3,121 |
| San Miguel | 4,529 | -3,722 |
| Anacacho | 4,885 | -4,078 |
| Austin Chalk | 5,322 | -4,515 |
| Eagle Ford | 5,953 | -5,146 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,986 | 16,202 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,697 | 12.25 | 965 S |
| 5.5 | 16,295 | 8.75 | 3,400 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 | May 19, 2023 | May 5, 2023 | Yes |
| 00 | Nov 28, 2022 | Oct 26, 2022 | 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 42-507-33465 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33465 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Cosmed Unit Zav E42-507-33466
0.0 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,953 | -2,144 |
| Olmos | 3,923 | -3,114 |
| San Miguel | 4,533 | -3,724 |
| Anacacho | 4,822 | -4,013 |
| Austin Chalk | 5,380 | -4,571 |
| Eagle Ford | 5,988 | -5,179 |
Cosmed Unit Zav C42-507-33464
0.0 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,956 | -2,149 |
| Olmos | 3,919 | -3,112 |
| San Miguel | 4,531 | -3,724 |
| Anacacho | 4,885 | -4,078 |
| Austin Chalk | 5,293 | -4,486 |
| Eagle Ford | 5,938 | -5,131 |
Cosmed Unit Zav B42-507-33448
0.9 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,942 | -2,149 |
| Olmos | 3,958 | -3,165 |
| San Miguel | 4,538 | -3,745 |
| Anacacho | 5,027 | -4,234 |
| Austin Chalk | 5,352 | -4,559 |
| Eagle Ford | 5,948 | -5,155 |
Cosmed Unit Zav A42-507-33447
0.9 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,949 | -2,156 |
| Olmos | 3,963 | -3,170 |
| San Miguel | 4,538 | -3,745 |
| Anacacho | 5,009 | -4,216 |
| Austin Chalk | 5,328 | -4,535 |
| Eagle Ford | 5,910 | -5,117 |
Brice Unit Zav A42-507-33442
1.1 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,969 | -2,197 |
| Olmos | 3,961 | -3,189 |
| San Miguel | 4,607 | -3,835 |
| Anacaho | 5,103 | -4,331 |
| Anacacho | 5,103 | -4,331 |
| Austin Chalk | 5,447 | -4,675 |
| Eagle Ford | 6,047 | -5,275 |
Brice Unit Zav B42-507-33441
1.1 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,958 | -2,185 |
| Olmos | 3,978 | -3,205 |
| San Miguel | 4,604 | -3,831 |
| Anacacho | 5,048 | -4,275 |
| Anacaho | 5,048 | -4,275 |
| Austin Chalk | 5,367 | -4,594 |
| Eagle Ford | 6,029 | -5,256 |
Brice Unit Zav C42-507-33440
1.1 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,953 | -2,179 |
| Olmos | 4,002 | -3,228 |
| San Miguel | 4,606 | -3,832 |
| Anacaho | 5,096 | -4,322 |
| Anacacho | 5,096 | -4,322 |
| Austin Chalk | 5,393 | -4,619 |
| Eagle Ford | 6,027 | -5,253 |
JMH-Rubies-Powell Alloc C42-507-33449
2.0 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 2,998 | -2,234 |
| Olmos | 3,968 | -3,204 |
| San Miguel | 4,642 | -3,878 |
| Anacacho | 5,162 | -4,398 |
| Austin Chalk | 5,447 | -4,683 |
| Eagle Ford | 6,047 | -5,283 |
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
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