WELL · 42-507-33112 · DISTRICT 1
Traylor Unit Zav M #3H
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Traylor Unit Zav M #3H (API 42-507-33112) is a horizontal well in Zavala County operated by Exco Operating Company LP, completed September 7, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 26, 2014, permitted to 9,000 ft.
Completion filings report 5 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its lease has reported 1.32M barrels of oil and 707K mcf of gas since February 2014, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
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, LPFeb 26, 2014 |
- 9,000
- total depth, ft
- 2
- permits on file
- Feb 26, 2014
- last permit issued
- Sep 7, 2022
- completed
- 1.32M
- cumulative oil, bbl
- 707K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 7, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.802170, -99.529954
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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Traylor Unit Zav M O-1-17867 | Briscoe Ranch (Eagleford) | Exco Operating Company, LP | 6 | 1.32M | 707K | Feb 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 84,802 · prior 12 99,561(-15%)
Gas, mcf lease total
Last 12 months 83,388 · prior 12 69,887(+19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exco Operating Company, LPDec 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 778584-98 | Drill | Exco Operating Company, LP | Nov 16, 2022 | Feb 26, 2014 | Mar 17, 2014 | 9,000 |
| 778584-99 | Drill | Exco Operating Company, LP | Jan 30, 2014 | Feb 26, 2014 | Mar 17, 2014 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17867 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 737 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 3,662 | -2,925 |
| EscondidoESCONDIDO - DISPOSAL | 3,662 | -2,925 |
| Olmos | 4,299 | -3,562 |
| Anacacho | 5,257 | -4,520 |
| Austin Chalk | 5,751 | -5,014 |
| Eagle Ford | 6,191 | -5,454 |
| Eagle FordEAGLEFORD | 6,191 | -5,454 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,777 | 14,353 | Perforated |
| 14,347 | 14,352 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,045 | 12.25 | 910 S |
| 5.5 | 14,450 | 8.75 | 1,885 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 | Jan 23, 2023 | Oct 21, 2022 | Yes |
| 00 | Sep 10, 2015 | Jul 20, 2015 | — |
| 00 | Dec 30, 2014 | Oct 3, 2014 | 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 42-507-33112 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33112 → 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.
Traylor Unit Zav M42-507-33099
0.0 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,180 | -2,440 |
| Olmos | 4,202 | -3,462 |
| Anacacho | 5,307 | -4,567 |
| Austin Chalk | 5,746 | -5,006 |
| Eagle Ford | 6,219 | -5,479 |
Traylor Unit Zav M42-507-33107
0.3 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,144 | -2,408 |
| Escondido | 3,144 | -2,408 |
| Olmos | 4,286 | -3,550 |
| Anacacho | 5,260 | -4,524 |
| Austin Chalk | 5,742 | -5,006 |
| Eagle Ford | 6,179 | -5,443 |
| Eagle Ford | 6,179 | -5,443 |
Tidwell-Howett Unit Zav42-507-33518
1.3 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,269 | -2,507 |
| Olmos | 4,313 | -3,551 |
| San Miguel | 4,690 | -3,928 |
| Anacacho | 5,386 | -4,624 |
| Austin Chalk | 5,677 | -4,915 |
| Eagle Ford | 6,283 | -5,521 |
Coleman-Tidwell Alloc42-507-33519
1.3 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,268 | -2,504 |
| Olmos | 4,308 | -3,544 |
| San Miguel | 4,694 | -3,930 |
| Anacacho | 5,386 | -4,622 |
| Austin Chalk | 5,670 | -4,906 |
| Eagle Ford | 6,282 | -5,518 |
Coleman Unit Zav E42-507-33369
1.8 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,291 | -2,512 |
| Olmos | 4,268 | -3,489 |
| Anacacho | 5,436 | -4,657 |
| Austin Chalk | 5,723 | -4,944 |
| Eagle Ford | 6,336 | -5,557 |
Priest-Trinkle42-507-33435
2.0 KM · Buffco Production Inc. · Section with this well →
| Escondido | 3,288 | -2,540 |
| Austin Chalk | 5,788 | -5,040 |
| Eagle Ford | 6,556 | -5,808 |
Priest-Trinkle42-507-33436
2.0 KM · Buffco Production Inc. · Section with this well →
| Escondido | 3,266 | -2,518 |
| Austin Chalk | 5,770 | -5,022 |
| Eagle Ford | 6,535 | -5,787 |
Traylor South Zav42-507-33467
2.2 KM · Exco Operating Company, LP · Section with this well →
| Escondido | 3,319 | -2,574 |
| Olmos | 4,347 | -3,602 |
| San Miguel | 4,800 | -4,055 |
| Anacacho | 5,526 | -4,781 |
| Austin Chalk | 5,836 | -5,091 |
| Eagle Ford | 6,424 | -5,679 |
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/50733112, documented in the API reference.