WELL · 42-507-33140 · DISTRICT 1
Traylor Unit Zav L #3H
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Traylor Unit Zav L #3H (API 42-507-33140) is a horizontal well in Zavala County operated by Exco Operating Company LP, completed March 20, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 13, 2014, permitted to 6,506 ft.
Completion filings report 5 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its lease has reported 691K barrels of oil and 565K mcf of gas since November 2014, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 22, 2025
- Permits on file
- 515
- Phone
- (214) 368-2084
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, LPMay 13, 2014 |
- 6,506
- total depth, ft
- 2
- permits on file
- May 13, 2014
- last permit issued
- Mar 20, 2015
- completed
- 691K
- cumulative oil, bbl
- 565K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 20, 2015
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Traylor Unit Zav L O-1-18230 | Briscoe Ranch (Eagleford) | Exco Operating Company, LP | 4 | 691K | 565K | Nov 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 43,848 · prior 12 40,777(+8%)
Gas, mcf lease total
Last 12 months 35,618 · prior 12 18,290(+95%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exco Operating Company, LPMar 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 784023-98 | Drill | Exco Operating Company, LP | Jul 24, 2014 | May 13, 2014 | Feb 14, 2015 | 8,000 |
| 784023-99 | Drill | Exco Operating Company, LP | Apr 7, 2014 | May 13, 2014 | — | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 20, 2015 | Traylor Unit Zav L O-1-18230 | Briscoe Ranch (Eagleford) | Exco Operating Company LP | Producing | 6,506 |
Formation tops
As filed on W-2/G-1. Subsea from 663 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 3,268 | -2,605 |
| EscondidoESCONDIDO - DISPOSAL | 3,269 | -2,606 |
| Olmos | 4,277 | -3,614 |
| Anacacho | 5,294 | -4,631 |
| Austin Chalk | 5,751 | -5,088 |
| Eagle Ford | 6,156 | -5,493 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,971 | 13,308 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,950 | 12.25 | 885 S |
| 5.5 | 13,400 | 8.75 | 1,920 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 21, 2015 | Jun 24, 2015 | Yes |
| 00 | Jul 7, 2015 | Mar 17, 2015 | 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 42-507-33140 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33140 → 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.
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/50733140, documented in the API reference.