WELL · 42-235-33413 · DISTRICT 7
Rocker B 87 #1
Irion County · SRH (Clear Fork) field · Vertical
Rocker B 87 #1 (API 42-235-33413) is a plugged well in Irion County, plugged December 9, 2014, last operated by Discovery Natural Resources LLC.
The RRC has issued one drilling permit (amended once), issued July 19, 1995, permitted to 6,700 ft.
It was permitted by Fiml Natural Resources, LLC and has since transferred to Discovery Natural Resources LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Clear Fork, Clkfk, U Spraberry, U. Spraberry.
Its 2 leases have reported 29.8K barrels of oil and 135K mcf of gas since September 1995, last reporting in July 2015. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Discovery Natural Resources LLC
Permitted by Fiml Natural Resources, LLC; 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 Apr 2015 |
| Latest permit | Fiml Natural Resources, LLCJul 19, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,700
- total depth, ft
- 2
- permits on file
- Jul 19, 1995
- last permit issued
- Jan 19, 1996
- completed
- 29.8K
- cumulative oil, bbl
- 135K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1995 THROUGH Jul 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 19, 1996
- Shut in
- —
- Plugged
- Dec 9, 2014
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rocker B 87 O-9-14646 | SRH (Clear Fork) | Discovery Natural Resources LLC | 1 | 26.7K | 130K | Jan 1996 – Jul 2015 |
| Rocker B 87 O-9-13892 | Spraberry (Trend Area) | Chevron Midcontinent, L.P. | 1 | 3.06K | 4.7K | Sep 1995 – Mar 2008 |
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.
- 1Hallwood Petroleum, Inc.Sep 1995 → Dec 2001
- 2Hec Petroleum, Inc.Jan 2002 → Mar 2006
- 3Chevron Midcontinent, L.P.Apr 2006 → Dec 2011
- 4Fiml Natural Resources, LLCJan 2012 → Jul 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 437873-98 | Drill | Fiml Natural Resources, LLC | Aug 26, 2013 | Jul 19, 1995 | Aug 30, 1995 | 6,700 |
| 437873-99 | Drill | Hallwood Petroleum, Inc. | Jul 14, 1995 | Jul 19, 1995 | Aug 30, 1995 | 6,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-13892 | — | — | — | — |
| — | — O-9-14646 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,519 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 4,637 | -2,118 |
| Clkfk | 4,637 | -2,118 |
| U Spraberry | 5,009 | -2,490 |
| U. Spraberry | 5,009 | -2,490 |
| U. Sprby | 5,009 | -2,490 |
| L Spraberry | 5,556 | -3,037 |
| L. Spraberry | 5,556 | -3,037 |
| L. Sprby | 5,556 | -3,037 |
| Jo Mill | 5,876 | -3,357 |
| Dean | 6,397 | -3,878 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,538 | 4,946 | Perforated |
| 5,011 | 5,346 | Perforated |
| 5,580 | 5,790 | Perforated |
| 5,830 | 6,186 | Perforated |
| 6,370 | 6,564 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 595 | 12.25 | 400 S |
| 5.5 | 6,700 | 7.875 | 900 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 | Jan 15, 1998 | Mar 25, 1996 | Yes |
| 00 | Oct 27, 1997 | Mar 25, 1996 | Yes |
| 00 | Oct 16, 1997 | — | — |
| 00 | Dec 20, 1995 | Oct 27, 1995 | Yes |
| 00 | Nov 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 42-235-33413 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-235-33413 → 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/23533413, documented in the API reference.