WELL · 42-049-34642 · DISTRICT 7
Lucas W.R. B #4
Brown County · Lake Brownwood (Marble Falls) field · Vertical
Lucas W.R. B #4 (API 42-049-34642) is a well in Brown County operated by Dorondoco Operating CO. Inc., completed March 19, 1986.
The RRC has issued one drilling permit, issued February 28, 1986, permitted to 2,999 ft.
It was permitted by Quita, Inc. and has since transferred to Dorondoco Operating CO. Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Caddo, Marble Falls.
Its 2 leases have reported 25.6K barrels of oil and 31.1K mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Quita, Inc.; the EWA schedule now lists a different operator.
Brownwood, TX · P-5 Y, filed Dec 2, 1994 · 12 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dorondoco Operating Co. Inc. |
| Production reports | Reach Oilthrough Mar 2026 |
| Latest permit | Quita, Inc.Feb 28, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,999
- total depth, ft
- 1
- permits on file
- Feb 28, 1986
- last permit issued
- Mar 19, 1986
- completed
- 25.6K
- cumulative oil, bbl
- 31.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 19, 1986
- 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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lucas, W.R. O-8-24689 | Lake Brownwood (Marble Falls) | Reach Oil | 7 | 25.6K | 31.1K | Jan 1993 – Jul 2026 |
| McCoury C O-8-31766 | Lake Brownwood (Marble Falls) | Doc Oil | 2 | 0 | 0 | Feb 2015 – Jun 2015 |
Oil, barrels lease total
Last 12 months 298 · prior 12 290(+3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lenamon Energy CompanyJan 1993 → Jun 1993
- 2Dorondoco Operating Co., Inc.Feb 1994 → Mar 1994
- 3Shady Oil Co.Apr 1994 → Aug 2008
- 4Doc OilSep 2008 → Sep 2017
- 5Reach OilOct 2017 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 298745-99 | Drill | Quita, Inc. | Feb 28, 1986 | Feb 28, 1986 | Mar 6, 1986 | 2,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-24689 | — | — | — | — |
| — | — O-8-31766 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,477 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 1,753 | -276 |
| Marble Falls | 2,278 | -801 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,295 | 2,301 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 175 | 11 | 105 S |
| 4.5 | 2,451 | 7.875 | 140 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 11, 2015 | Mar 27, 1986 | Yes |
| 00 | Apr 22, 2015 | Mar 27, 1986 | Yes |
| 00 | May 4, 1988 | Mar 27, 1986 | Yes |
| 00 | May 3, 1988 | Mar 27, 1988 | — |
| 00 | Apr 23, 1988 | — | — |
| 00 | May 14, 1986 | Mar 27, 1986 | Yes |
| 00 | May 7, 1986 | — | — |
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 42-049-34642 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-049-34642 → 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/04934642, documented in the API reference.