WELL · 42-373-31093 · DISTRICT 3
Black Stone Gilleland Unit #1
Polk County · Double a Wells N (Austin Chalk) field · Producing · Horizontal
Black Stone Gilleland Unit #1 (API 42-373-31093) is a horizontal well in Polk County operated by Zarvona Energy LLC, completed November 10, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 18, 2007, permitted to 14,000 ft.
It was permitted by Pogo Producing Company and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Navarro, Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Pogo Producing Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 98 permits on file · (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 | Pogo Producing CompanyJun 18, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 1
- permits on file
- Jun 18, 2007
- last permit issued
- Nov 10, 2007
- completed
- 0
- cumulative oil, bbl
- 259K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 10, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 Gilleland Unit G-3-234684 | Double a Wells, N (Austin Chalk) | Zarvona Energy LLC | 1 | 0 | 259K | Nov 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,892 · prior 12 2,363(-20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pogo Producing Company LLCNov 2007 → Aug 2011
- 2Plains Exploration & Prod. Co.Sep 2011 → Jul 2012
- 3BBX Operating, L.L.C.Aug 2012 → Oct 2017
- 4Zarvona Energy LLCNov 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 640402-99 | Drill | Pogo Producing Company | Jun 7, 2007 | Jun 18, 2007 | Aug 22, 2007 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-234684 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 428 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NavarroTOP OF NAVARRO | 11,860 | -11,432 |
| NavarroBASE OF NAVARRO | 12,680 | -12,252 |
| Austin ChalkTOP OF AUSTIN CHALK | 12,980 | -12,552 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,394 | 20,880 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,975 | 13.5 | 1,660 S |
| 7.625 | 13,394 | 9.875 | 1,145 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 | May 13, 2008 | Feb 25, 2008 | Yes |
| 00 | May 2, 2008 | — | — |
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 42-373-31093 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-373-31093 → 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/37331093, documented in the API reference.