TEXAS · WELLS · ZAVALA COUNTY · JOHN HOLDSWORTH UNIT ZAV LEASE · API 42-507-33252 · DISTRICT 01
John Holdsworth Unit Zav #1HB
Zavala County · Pearsall (Buda S.) field · Producing · Horizontal
John Holdsworth Unit Zav #1HB (API 42-507-33252) is a horizontal well in Zavala County operated by Formentera Operations LLC, completed November 2, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 18, 2015, permitted to 6,575 ft.
It was permitted by Exco Operating Company, LP and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its lease has reported 61.5K barrels of oil and 80.8K mcf of gas since September 2015, last reporting volume in April 2026.
Operator of record
Permitted by Exco Operating Company, LP; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 11, 2026
- Permits on file
- 93
- Phone
- (512) 514-5779
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Apr 2026 |
| Latest permit | Exco Operating Company, LPAug 18, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,575
- total depth, ft
- 2
- permits on file
- Aug 18, 2015
- last permit issued
- Nov 2, 2015
- completed
- 61.5K
- cumulative oil, bbl
- 80.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2015 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 2, 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| John Holdsworth Unit Zav O-1-18562 | Pearsall (Buda, S.) | Formentera Operations LLC | 1 | 61.5K | 80.8K | Sep 2015 – Apr 2026 |
Oil, barrels lease total
Last 12 months 2,357 · prior 12 3,433(-31%)
Gas, mcf lease total
Last 12 months 5,603 · prior 12 6,853(-18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exco Operating Company, LPNov 2015 → Mar 2016
- 2SN Operating, LLCApr 2016 → Jan 2022
- 3Formentera Operations LLCFeb 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 809133-98 | Drill | Exco Operating Company, LP | Aug 31, 2015 | Aug 18, 2015 | Sep 1, 2015 | 8,000 |
| 809133-99 | Drill | Exco Operating Company, LP | Aug 4, 2015 | Aug 18, 2015 | Sep 1, 2015 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 2, 2015 | John Holdsworth Unit Zav O-1-18562 | Pearsall (Buda S.) | Formentera Operations LLC | Producing | 6,575 |
Formation tops
As filed on W-2/G-1. Subsea from 619 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 2,626 | -2,007 |
| Olmos | 3,709 | -3,090 |
| Anacacho | 5,010 | -4,391 |
| Austin Chalk | 5,536 | -4,917 |
| Eagle Ford | 6,024 | -5,405 |
| Buda | 6,489 | -5,870 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,726 | 17,088 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,998 | 13.5 | 1,355 S |
| 10.75 | 3,998 | 13.5 | 1,355 S |
| 7.625 | 6,725 | 9.875 | 740 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 | Feb 11, 2016 | Dec 1, 2015 | Yes |
| 00 | Dec 4, 2015 | Oct 1, 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 42-507-33252 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33252 → 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/50733252, documented in the API reference.