WELL · 42-041-31561 · DISTRICT 3
Dobrovolny-Burt Unit #1
Brazos County · Giddings (Austin Chalk-3) field · Horizontal · Sidetrack
Dobrovolny-Burt Unit #1 (API 42-041-31561) is a horizontal well in Brazos County operated by Holley Oil Company LLC, completed February 16, 1992.
The RRC has issued 2 drilling permits (amended once) between 1991 and 2004, permitted to 13,000 ft.
Completion filings report 6 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Its 2 leases have reported 115K barrels of oil and 232K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Chappell Hill, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (713) 299-1798
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Holley Oil Company LLC |
| Production reports | Holley Oil Company, LLCthrough Apr 2026 |
| Latest permit | Holley Oil Company, LLCNov 18, 2004 |
- 13,000
- total depth, ft
- 3
- permits on file
- Nov 18, 2004
- last permit issued
- Feb 16, 1992
- completed
- 115K
- cumulative oil, bbl
- 232K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 16, 1992
- Shut in
- —
- Plugged
- —
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 2 leases 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 |
|---|---|---|---|---|---|---|
| Dobrovolny-Burt O-3-24672 | Giddings (Buda) | Holley Oil Company, LLC | 1 | 97.1K | 175K | Dec 2004 – Jul 2026 |
| Dobrovolny-Burt Unit O-3-21412 | Giddings (Austin Chalk-3) | Holley Oil Company, LLC | 1 | 18.2K | 57.2K | Jan 1993 – Apr 2005 |
Oil, barrels lease total
Last 12 months 119 · prior 12 1,063(-89%)
Gas, mcf lease total
Last 12 months 0 · prior 12 330(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJan 1993 → Jan 1999
- 2Holley Oil Company, LLCDec 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 553838-98 | Recompletion · sidetrack | Holley Oil Company, LLC | Nov 30, 2004 | Nov 18, 2004 | — | 8,550 |
| 553838-99 | Recompletion · sidetrack | Holley Oil Company, LLC | Nov 18, 2004 | Nov 18, 2004 | — | 8,693 |
| 394745-99 | Drill | Union Pacific Resources Company | Dec 5, 1991 | Dec 5, 1991 | Dec 21, 1991 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-21412 | — | — | — | — |
| — | — O-3-24672 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 293 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 4,674 | -4,381 |
| Navarro | 5,642 | -5,349 |
| Pecan Gap | 7,166 | -6,873 |
| Austin Chalk | 7,691 | -7,398 |
| Gidding Buda | 8,480 | -8,187 |
| Georgetown | 8,580 | -8,287 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,785 | 12,276 | Perforated |
| 8,493 | 12,654 | Perforated |
| 8,521 | 12,364 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,520 | 14.75 | 1,055 S |
| 7.625 | 3,686 | 9.875 | 215 S |
| 7.625 | 7,785 | 9.875 | 1,305 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 | Jun 29, 2005 | Jan 5, 2005 | Yes |
| 00 | Apr 12, 2005 | Mar 4, 1992 | Yes |
| 00 | Apr 15, 1992 | Mar 4, 1992 | Yes |
| 00 | Mar 30, 1992 | — | — |
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 42-041-31561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31561 → 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/04131561, documented in the API reference.