TEXAS · WELLS · ZAVALA COUNTY · J&M HOLDSWORTH ZAV LEASE · API 42-507-33197 · DISTRICT 01
J&M Holdsworth Zav #A 1H
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
J&M Holdsworth Zav #A 1H (API 42-507-33197) is a horizontal well in Zavala County operated by Buffco Production Inc., completed December 26, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 6, 2014, permitted to 6,609 ft.
It was permitted by Exco Operating Company, LP and has since transferred to Buffco Production Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its lease has reported 599K barrels of oil and 334K mcf of gas since October 2014, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exco Operating Company, LP; the EWA schedule now lists a different operator.
- Based in
- Longview, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 14, 2025
- Permits on file
- 397
- Phone
- (903) 988-8199
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buffco Production Inc. |
| Production reports | Buffco Production Inc.through Apr 2026 |
| Latest permit | Exco Operating Company, LPOct 6, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,609
- total depth, ft
- 2
- permits on file
- Oct 6, 2014
- last permit issued
- Dec 26, 2014
- completed
- 599K
- cumulative oil, bbl
- 334K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 26, 2014
- 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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| J&M Holdsworth Zav O-1-18279 | Briscoe Ranch (Eagleford) | Buffco Production Inc. | 5 | 599K | 334K | Oct 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 279,439 · prior 12 213,914(+31%)
Gas, mcf lease total
Last 12 months 183,648 · prior 12 60,906(+202%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exco Operating Company, LPDec 2014 → Mar 2016
- 2SN Operating, LLCApr 2016 → Jan 2022
- 3Formentera Operations LLCFeb 2022 → Dec 2023
- 4Buffco Production Inc.Jan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 796300-98 | Drill | Exco Operating Company, LP | Oct 7, 2014 | Oct 6, 2014 | Dec 7, 2014 | 9,000 |
| 796300-99 | Drill | Exco Operating Company, LP | Sep 15, 2014 | Oct 6, 2014 | Oct 20, 2014 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 26, 2014 | J&M Holdsworth Zav O-1-18279 | Briscoe Ranch (Eagleford) | Buffco Production Inc. | Producing | 6,609 |
Formation tops
As filed on W-2/G-1. Subsea from 621 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 2,782 | -2,161 |
| Olmos | 3,819 | -3,198 |
| Anacacho | 5,166 | -4,545 |
| Austin Chalk | 5,630 | -5,009 |
| Eagle Ford | 6,197 | -5,576 |
| Eagle FordEAGLEFORD | 6,197 | -5,576 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,107 | 13,589 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,553 | 12.25 | 630 S |
| 5.5 | 13,675 | 8.75 | 1,740 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 11, 2015 | Apr 22, 2015 | Yes |
| 00 | Jun 11, 2015 | Jan 15, 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 42-507-33197 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33197 → 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/50733197, documented in the API reference.