WELL · 42-479-35358 · DISTRICT 4
Culpepper #4
Webb County · Belle Pepper (Lobo 6) field · Vertical
Culpepper #4 (API 42-479-35358) is a well in Webb County operated by Opex Energy LLC, completed February 9, 1992.
The RRC has issued 2 drilling permits between 1991 and 2006, permitted to 9,500 ft.
Completion filings report 2 formation tops, including Queen City, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Feb 8, 2008 · 19 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Opex Energy LLC |
| Production reports | Dewbre Petroleum Corporationthrough Jan 2016 |
| Latest permit | Opex Energy, LLCFeb 23, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 2
- permits on file
- Feb 23, 2006
- last permit issued
- Feb 9, 1992
- completed
- 0
- cumulative oil, bbl
- 2.04M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 9, 1992
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Culpepper G-4-216982 | Belle Pepper (Lobo 1) | Dewbre Petroleum Corporation | 1 | 0 | 63K | Feb 2006 – Jul 2026 |
| Culpepper G-4-140773 | Belle Pepper (Lobo 6) | Opex Energy, LLC | 1 | 0 | 1.98M | Jan 1993 – Mar 2006 |
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.
- 1Enron Oil & Gas CompanyJan 1993 → Mar 1994
- 2Torch Operating CompanyApr 1994 → Aug 1997
- 3Bellwether Exploration CompanySep 1997 → Sep 2000
- 4Bison Energy Partners, Inc.Oct 2000 → Aug 2001
- 5Bison Energy Partners, Ltd.Sep 2001 → Apr 2002
- 6White Oak Operating Company LLCMay 2002 → Mar 2004
- 7Opex Energy, LLCMar 2005 → Mar 2007
- 8Exploration Company, TheApr 2007 → Jun 2007
- 9Txco Resources Inc.Jul 2007 → Aug 2009
- 10Newfield Exploration CompanyApr 2010 → May 2011
- 11Dewbre Petroleum CorporationNov 2013 → Jan 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 614691-99 | Recompletion | Opex Energy, LLC | Feb 22, 2006 | Feb 23, 2006 | Feb 14, 2006 | 8,350 |
| 394858-99 | Drill | Enron Oil & Gas Company | Dec 9, 1991 | Dec 9, 1991 | Dec 7, 1991 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-140773 | — | — | — | — |
| — | — G-4-216982 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 434 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,980 | -2,546 |
| Wilcox | 4,779 | -4,345 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,076 | 7,083 | Perforated |
| 7,931 | 7,940 | Perforated |
| 7,978 | 8,055 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,008 | 12.25 | 410 S |
| 7 | 6,849 | 8.75 | 1,346 S |
| 2.875 | 8,329 | 6.25 | 280 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 | Oct 30, 2006 | Mar 13, 2006 | Yes |
| 00 | Jul 12, 2006 | — | — |
| 00 | Mar 17, 1992 | Feb 19, 1992 | Yes |
| 00 | Mar 10, 1992 | — | — |
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 42-479-35358 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35358 → 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/47935358, documented in the API reference.