WELL · 42-383-34300 · DISTRICT 7
Rocker B -M- #45
Reagan County · Spraberry (Trend Area) field · Vertical
Rocker B -M- #45 (API 42-383-34300) is a plugged well in Reagan County, plugged July 29, 2015, last operated by Discovery Natural Resources LLC.
The RRC has issued one drilling permit, issued September 22, 1994, permitted to 7,000 ft.
It was permitted by Cox, John L. and has since transferred to Discovery Natural Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Santa Rosa, Spraberry, Dean.
Its lease has reported 1.1M barrels of oil and 6.21M mcf of gas since January 1993, last reporting in January 2019. The lease carries 47 wells, so these are lease totals, not this well alone.
Operator of record
Discovery Natural Resources LLC
Permitted by Cox, John L.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Active (A)
- P-5 last filed
- Jan 12, 2026
- Permits on file
- 451
- Phone
- (303) 893-5073
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Discovery Natural Resources LLC |
| Production reports | Discovery Natural Resources LLCthrough Oct 2018 |
| Latest permit | Cox, John L.Sep 22, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 1
- permits on file
- Sep 22, 1994
- last permit issued
- Jan 30, 1995
- completed
- 1.1M
- cumulative oil, bbl
- 6.21M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 30, 1995
- Shut in
- —
- Plugged
- Jul 29, 2015
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; they carry 47 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rocker B -M- O-9-4855 | Spraberry (Trend Area) | Discovery Natural Resources LLC | 47 | 1.1M | 6.21M | Jan 1993 – Jan 2019 |
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.
- 1Graham Royalty, Ltd.Jan 1993 → Oct 1993
- 2Cox, John L.Nov 1993 → Sep 2003
- 3JM Cox Resources, L.P.Oct 2003 → Aug 2018
- 4Discovery Natural Resources LLCSep 2018 → Oct 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 428220-99 | Drill | Cox, John L. | Sep 20, 1994 | Sep 22, 1994 | Oct 29, 1994 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-4855 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,552 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 600 | 1,952 |
| SpraberryUPPER SPRABERRY | 5,350 | -2,798 |
| SpraberryLOWER SPRABERRY | 5,940 | -3,388 |
| Dean | 6,784 | -4,232 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,368 | 5,385 | Perforated |
| 5,966 | 6,353 | Perforated |
| 6,793 | 6,972 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 662 | 11 | 300 S |
| 4.5 | 7,030 | 7.875 | 1,200 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 10, 1995 | Feb 6, 1995 | Yes |
| 00 | Feb 14, 1995 | — | — |
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 42-383-34300 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-34300 → 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/38334300, documented in the API reference.