TEXAS · WELLS · POLK COUNTY · BLACK STONE A-319 UNIT LEASE · API 42-373-31136 · DISTRICT 03
Black Stone a-319 Unit #1H
Polk County · Double a Wells N (Austin Chalk) field · Producing · Horizontal
Black Stone A-319 Unit #1H (API 42-373-31136) is a horizontal well in Polk County operated by Zarvona Energy LLC, completed January 10, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 29, 2008, permitted to 13,519 ft.
It was permitted by Bbx Operating, L.L.C. and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Saratoga, Anacacho, Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by BBX Operating, L.L.C.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 98
- Phone
- (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough Apr 2026 |
| Latest permit | BBX Operating, L.L.C.Jun 4, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,519
- total depth, ft
- 2
- permits on file
- Jun 4, 2009
- last permit issued
- Jan 10, 2009
- completed
- 0
- cumulative oil, bbl
- 1.32M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 10, 2009
- 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 |
|---|---|---|---|---|---|---|
| Black Stone a-319 Unit G-3-255749 | Double a Wells, N (Austin Chalk) | Zarvona Energy LLC | 1 | 0 | 1.32M | Jan 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 23,063 · prior 12 37,799(-39%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1BBX Operating, L.L.C.Jan 2009 → Oct 2017
- 2Zarvona Energy LLCNov 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 668596-98 | Drill | BBX Operating, L.L.C. | May 21, 2009 | Jun 4, 2009 | Sep 8, 2008 | 13,650 |
| 668596-99 | Drill | BBX Operating, L.L.C. | Aug 8, 2008 | Aug 29, 2008 | Sep 8, 2008 | 13,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 10, 2009 | Black Stone a-319 Unit G-3-255749 | Double a Wells N (Austin Chalk) | Zarvona Energy LLC | Producing | 13,519 |
Formation tops
As filed on W-2/G-1. Subsea from 320 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Saratoga | 13,200 | -12,880 |
| Anacacho | 13,350 | -13,030 |
| Austin Chalk | 13,480 | -13,160 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,129 | 17,952 | Perforated |
| 13,773 | 18,625 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,487 | 14.75 | 1,374 S |
| 7.625 | 13,355 | 9.875 | 900 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 | Mar 8, 2011 | Dec 2, 2009 | Yes |
| 00 | May 20, 2010 | — | — |
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 42-373-31136 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-373-31136 → 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/37331136, documented in the API reference.