WELL · 42-383-33306 · DISTRICT 7
Rocker-B 21 #1
Reagan County · Spraberry (Trend Area) field · Vertical
Rocker-B 21 #1 (API 42-383-33306) is a plugged well in Reagan County, plugged January 18, 2017, last operated by Dominion Natural Resources LLC.
The RRC has issued one drilling permit, issued November 13, 1984, permitted to 7,500 ft.
It was permitted by Tiburon Petroleum Corporation and has since transferred to Dominion Natural Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Jo Mill, Dean.
Its lease has reported 9.11K barrels of oil and 157K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Dominion Natural Resources LLC
Permitted by Tiburon Petroleum Corporation; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Mar 8, 2019 · 23 permits on file · (214) 205-6944
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dominion Natural Resources LLC |
| Production reports | Uptex Operating, L.P.through Dec 2008 |
| Latest permit | Tiburon Petroleum CorporationNov 13, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 1
- permits on file
- Nov 13, 1984
- last permit issued
- Jul 19, 1985
- completed
- 9.11K
- cumulative oil, bbl
- 157K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 19, 1985
- Shut in
- —
- Plugged
- Jan 18, 2017
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 |
|---|---|---|---|---|---|---|
| Rocker-B "21" O-9-11502 | Spraberry (Trend Area) | Dominion Natural Resources LLC | 1 | 9.11K | 157K | 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.
- 1Hillin-Simon Oil CompanyJan 1993 → Feb 1998
- 2Mineral Technologies, Inc.Mar 1998 → Sep 2004
- 3Richmond Oil Association, L.L.C.Nov 2004 → Oct 2006
- 4Uptex Operating, L.P.Nov 2006 → Dec 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 257585-99 | Drill | Tiburon Petroleum Corporation | Oct 10, 1984 | Nov 13, 1984 | May 15, 1985 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-11502 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,568 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,723 | 5,776 | Perforated |
| 6,309 | 6,407 | Perforated |
| 6,597 | 6,717 | Perforated |
| 7,158 | 7,305 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 526 | 12.25 | 340 S |
| 4.5 | 7,450 | 7.875 | 1,350 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 | Sep 5, 1985 | Aug 21, 1985 | — |
| 00 | Aug 31, 1985 | — | — |
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 42-383-33306 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-33306 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/38333306, documented in the API reference.