WELL · 42-507-32281 · DISTRICT 1
George Burton O. Jr. #1
Zavala County · Pearsall (Austin Chalk) field · Shut IN · Horizontal
George Burton O. JR. #1 (API 42-507-32281) is a horizontal well in Zavala County operated by Silver Hill Energy Operating LLC, completed July 4, 2010 and listed as shut in on the RRC schedule, shut in March 1, 2025.
The RRC has issued 2 drilling permits (amended twice) between 1990 and 2010, permitted to 6,800 ft.
It was permitted by Riley Exploration, LLC and has since transferred to Silver Hill Energy Operating LLC on the wellbore schedule.
Completion filings report 7 formation tops, including San Miguel, Wickham, Anacacho, Austin Chalk.
Its lease has reported 63.7K barrels of oil and 85.7K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Silver Hill Energy Operating LLC
Permitted by Riley Exploration, LLC; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 19, 2026
- Permits on file
- 215
- Phone
- (214) 865-6555
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Silver Hill Energy Operating LLC |
| Production reports | 1776 Energy Operators, LLCthrough Oct 2024 |
| Latest permit | Riley Exploration, LLCFeb 2, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,800
- total depth, ft
- 4
- permits on file
- Feb 2, 2010
- last permit issued
- Jul 4, 2010
- completed
- 63.7K
- cumulative oil, bbl
- 85.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 4, 2010
- Shut in
- Mar 1, 2025
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| George, Burton O. Jr. O-1-12835 | Pearsall (Austin Chalk) | Silver Hill Energy Operating LLC | 2 | 63.7K | 85.7K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 16(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Feb 1997
- 2Thalmann, David Vac Service IncJul 2001 → Feb 2006
- 3Botasch Operating, LLCFeb 2008 → Nov 2008
- 4Riley Exploration, LLCJul 2010 → Jun 2013
- 51776 Energy Operators, LLCJul 2013 → Oct 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 690527-98 | Recompletion | Riley Exploration, LLC | Jun 4, 2010 | Feb 2, 2010 | Jun 8, 2010 | 7,000 |
| 690527-99 | Recompletion | Riley Exploration, LLC | Jan 29, 2010 | Feb 2, 2010 | — | 6,650 |
| 368899-98 | Drill | Oryx Energy Company | Feb 19, 1991 | Jan 22, 1990 | — | 9,975 |
| 368899-99 | Drill | Oryx Energy Company | Jan 22, 1990 | Jan 22, 1990 | Mar 22, 1990 | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 4, 2010 | George Burton O. Jr. O-1-12835 | Pearsall (Austin Chalk) | Silver Hill Energy Operating LLC | Shut IN · shut in Mar 1, 2025 | 6,800 |
| Jul 4, 2010 | George Burton O. Jr. O-1-12835 | Pearsall (Austin Chalk) | Silver Hill Energy Operating LLC | Shut IN · shut in Mar 1, 2025 | 6,800 |
Formation tops
As filed on W-2/G-1. Subsea from 580 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Miguel | 5,233 | -4,653 |
| San MiguelSAN MIGUEL A | 5,270 | -4,690 |
| Wickham | 5,617 | -5,037 |
| Anacacho | 5,919 | -5,339 |
| Austin ChalkTOP AUSTIN CHALK | 6,192 | -5,612 |
| Upper Chalk | 6,213 | -5,633 |
| Lower Chalk | 6,588 | -6,008 |
| Eagle FordEAGLEFORD | 6,795 | -6,215 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,005 | 9,499 | Open hole |
| 6,296 | 9,975 | Perforated |
| 8,550 | 11,000 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 728 | 17.5 | 540 S |
| 9.625 | 6,296 | 12.25 | 160 S |
| 9.625 | 6,296 | 12.5 | 160 S |
| 9.625 | 6,296 | 9.625 | 710 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 22, 2013 | Jul 23, 2010 | Yes |
| 00 | Feb 7, 1991 | Jul 30, 1990 | Yes |
| 00 | Jan 30, 1991 | — | — |
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 42-507-32281 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32281 → 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/50732281, documented in the API reference.