TEXAS · WELLS · MONTGOMERY COUNTY · API 42-339-30738 · DISTRICT 03
Brown Unit #1
Montgomery County · Risher (Frio 5200) field · Vertical
Brown Unit #1 (API 42-339-30738) is a plugged well in Montgomery County, plugged October 9, 1987, last operated by Cummins & Walker Oil CO. Inc..
The RRC has issued 3 drilling permits between 1985 and 1986, permitted to 6,100 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Frio, Vicksburg.
Operator of record
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 4, 2026
- Permits on file
- 365
- Phone
- (512) 329-8700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cummins & Walker Oil Co. Inc. |
| Production reports | none |
| Latest permit | Cummins & Walker Oil Co., Inc.Dec 3, 1986 |
- 6,100
- total depth, ft
- 3
- permits on file
- Dec 3, 1986
- last permit issued
- Oct 22, 1986
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 22, 1986
- Shut in
- —
- Plugged
- Oct 9, 1987
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 323598-99 | Recompletion | Cummins & Walker Oil Co., Inc. | Nov 26, 1986 | Dec 3, 1986 | — | 6,100 |
| 302286-99 | Recompletion | Cummins & Walker Oil Co., Inc. | May 12, 1986 | May 20, 1986 | — | 6,100 |
| 292207-99 | Drill | Cummins & Walker Oil Co., Inc. | Dec 9, 1985 | Dec 9, 1985 | — | 6,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 22, 1986 | Brown Unit G-3-122739 | Risher (Frio 5200) | Cummins & Walker Oil Co. Inc. | Plugged | — |
| Feb 28, 1986 | Brown Unit O-3-19236 | Risher (y-1 Sand) | Cummins & Walker Oil Co. Inc. | Plugged | — |
| Jan 7, 1986 | Brown Unit O-3-19162 | Risher (Cockfield -A-) | Cummins & Walker Oil Co. Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 196 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1 | 195 |
| Frio | 2,650 | -2,454 |
| Vicksburg | 4,227 | -4,031 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,617 | 4,620 | Perforated |
| 4,807 | 4,809 | Perforated |
| 5,180 | 5,183 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,303 | 12.25 | 435 S |
| 4.5 | 5,296 | 7.875 | 1,138 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 27, 1987 | Nov 24, 1986 | — |
| 00 | Dec 11, 1986 | — | — |
| 00 | Jun 5, 1986 | Apr 11, 1986 | Yes |
| 00 | Jun 4, 1986 | — | — |
| 00 | May 7, 1986 | Mar 3, 1986 | Yes |
| 00 | Apr 23, 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 42-339-30738 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-339-30738 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/33930738, documented in the API reference.