WELL · 42-505-33478 · DISTRICT 4
Perez F. R. #7
Zapata County · Bob West North (L-1 L-2 L-3) field · Directional
Perez F. R. #7 (API 42-505-33478) is a plugged well in Zapata County, plugged January 5, 2009, last operated by Crimson Exploration Oper. Inc..
The RRC has issued one drilling permit (amended once), issued September 16, 1996, permitted to 9,000 ft.
It was permitted by Transtexas Gas Corporation and has since transferred to Crimson Exploration Oper. Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Recklaw, Carrizo, L1 Sand.
Operator of record
Crimson Exploration Oper. Inc.
Permitted by Transtexas Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 22, 2019
- Permits on file
- 215
- Phone
- (713) 236-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crimson Exploration Oper. Inc. |
| Production reports | Crimson Exploration Oper., Inc.through Dec 2008 |
| Latest permit | Transtexas Gas CorporationSep 16, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Sep 16, 1996
- last permit issued
- Jan 9, 1997
- completed
- 0
- cumulative oil, bbl
- 345K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1997 THROUGH Jan 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 9, 1997
- Shut in
- —
- Plugged
- Jan 5, 2009
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 |
|---|---|---|---|---|---|---|
| Perez, F. R. G-4-163531 | Bob West, North (L-1,L-2,L-3) | Crimson Exploration Oper., Inc. | 1 | 0 | 345K | Jan 1997 – Jan 2009 |
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.
- 1Transtexas Gas CorporationJan 1997 → Oct 2001
- 2EL Paso Production Oil & Gas Co.Nov 2001 → Jul 2006
- 3EL Paso E & P Company, L. P.Aug 2006 → Feb 2008
- 4Smith Production Inc.Mar 2008 → Apr 2008
- 5Crimson Exploration Oper., Inc.May 2008 → Dec 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 452670-98 | Drill | Transtexas Gas Corporation | May 19, 1997 | Sep 16, 1996 | — | 9,000 |
| 452670-99 | Drill | Transtexas Gas Corporation | Sep 16, 1996 | Sep 16, 1996 | Oct 31, 1996 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-163531 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 325 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Recklaw | 4,135 | -3,810 |
| Carrizo | 6,220 | -5,895 |
| L1 Sand | 9,385 | -9,060 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,388 | 9,754 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 446 | 17.5 | 464 S |
| 9.625 | 4,120 | 12.25 | 759 S |
| 7 | 8,925 | 8.75 | 325 S |
| 2.875 | 10,731 | 6.5 | 420 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 | Jul 29, 1997 | Jan 30, 1997 | Yes |
| 00 | Jul 23, 1997 | — | — |
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 42-505-33478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33478 → 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/50533478, documented in the API reference.