TEXAS · WELLS · ZAVALA COUNTY · API 42-507-32820 · DISTRICT 01
Traylor West #G 4H
Zavala County · Briscoe Ranch (Eagleford) field · Shut In · Horizontal
Traylor West #G 4H (API 42-507-32820) is a horizontal well in Zavala County operated by Ineos USA Oil & Gas LLC, completed December 25, 2011 and listed as shut in on the RRC schedule, shut in December 1, 2011.
The RRC has issued one drilling permit, issued August 31, 2011, permitted to 5,248 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Ineos USA Oil & Gas LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its 2 leases have reported 695K barrels of oil and 423K mcf of gas since December 2011, last reporting volume in April 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 26, 2026
- Permits on file
- 98
- Phone
- (720) 764-3473
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ineos USA Oil & Gas LLC |
| Production reports | Exco Operating Company, LPthrough Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.Aug 31, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,248
- total depth, ft
- 1
- permits on file
- Aug 31, 2011
- last permit issued
- Dec 25, 2011
- completed
- 695K
- cumulative oil, bbl
- 423K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2012 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 25, 2011
- Shut in
- Dec 1, 2011
- 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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Traylor West Zav C O-1-15993 | Briscoe Ranch (Eagleford) | Exco Operating Company, LP | 8 | 695K | 423K | Dec 2011 – Apr 2026 |
| Traylor West O-1-17796 | Briscoe Ranch (Eagleford) | Ineos USA Oil & Gas LLC | 1 | 0 | 0 | Mar 2014 – — |
Oil, barrels lease total
Last 12 months 10,546 · prior 12 13,960(-24%)
Gas, mcf lease total
Last 12 months 6,714 · prior 12 6,710(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Jun 2012 → Jun 2013
- 2Exco Operating Company, LPJul 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 723179-99 | Drill | Chesapeake Operating, Inc. | Aug 26, 2011 | Aug 31, 2011 | Dec 12, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 25, 2011 | Traylor West O-1-17796 | Briscoe Ranch (Eagleford) | Ineos USA Oil & Gas LLC | Shut In · shut in Dec 1, 2011 | 5,248 |
| Dec 25, 2011 | Traylor West Zav C O-1-15993 | Briscoe Ranch (Eagleford) | Exco Operating Company LP | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 686 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 4,408 | -3,722 |
| Austin Chalk | 4,709 | -4,023 |
| Eagle Ford | 5,259 | -4,573 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,303 | 12,835 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,425 | 12.25 | 642 S |
| 5.5 | 12,960 | 8.75 | 2,075 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 1, 2014 | Jul 26, 2012 | Yes |
| 00 | Sep 17, 2012 | Jul 26, 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 42-507-32820 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32820 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here 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/50732820, documented in the API reference.