WELL · 42-049-33721 · DISTRICT 7
Mashburn #1
Brown County · HA da CA (Chappel Reef) field · Vertical
Mashburn #1 (API 42-049-33721) is a plugged well in Brown County, plugged November 21, 2022, last operated by R & D Operating Inc..
The RRC has issued one drilling permit, issued September 6, 1983, permitted to 2,000 ft.
It was permitted by Harris, Carpenter, & Day and has since transferred to R & D Operating Inc. on the wellbore schedule.
Completion filings report one formation top, including Chappel Reef.
Operator of record
Permitted by Harris, Carpenter, & Day; the EWA schedule now lists a different operator.
Early, TX · P-5 Y, filed Feb 4, 2026 · 5 permits on file · (325) 642-1880
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | R & D Operating Inc. |
| Production reports | R & D Operating, Inc.through Feb 2016 |
| Latest permit | Harris, Carpenter, & DaySep 6, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,000
- total depth, ft
- 1
- permits on file
- Sep 6, 1983
- last permit issued
- Sep 15, 1983
- completed
- 0
- cumulative oil, bbl
- 53.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 15, 1983
- Shut in
- —
- Plugged
- Nov 21, 2022
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 |
|---|---|---|---|---|---|---|
| Mashburn G-8-109049 | HA da CA (Chappel Reef) | R & D Operating, Inc. | 1 | 0 | 53.3K | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Harris & CarpenterJan 1993 → May 1994
- 2R & D OperatingJun 1994 → Apr 1995
- 3R & D Operating, Inc.May 1995 → Feb 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 209629-99 | Drill | Harris, Carpenter, & Day | Aug 26, 1983 | Sep 6, 1983 | — | 2,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-109049 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,400 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Chappel Reef | 1,955 | -555 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,958 | 1,968 | Perforated |
| 1,978 | 1,981 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 2,042 | 6.75 | 350 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 6, 1984 | Feb 8, 1984 | — |
| 00 | Mar 1, 1984 | Feb 8, 1984 | — |
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 42-049-33721 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-049-33721 → 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/04933721, documented in the API reference.