WELL · 42-355-02802 · DISTRICT 4
State 436 Gas Unit #1
Nueces County · Red Fish Bay-Mus. IS (Common 10) field · Vertical
State 436 Gas Unit #1 (API 42-355-02802) is a well in Nueces County operated by Chaparral Energy L.L.C., completed December 30, 1993.
The RRC has issued 3 drilling permits between 1984 and 2006, permitted to 9,600 ft.
Its 3 leases have reported 7.61K barrels of oil and 1.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Oklahoma City, OK · P-5 Y, filed Nov 4, 2025 · 443 permits on file · (866) 478-8770
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chaparral Energy L.L.C. |
| Production reports | TR Offshore, LLCthrough Jun 2019 |
| Latest permit | Chaparral Energy, L.L.C.Dec 18, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,600
- total depth, ft
- 3
- permits on file
- Dec 18, 2006
- last permit issued
- Dec 30, 1993
- completed
- 7.61K
- cumulative oil, bbl
- 1.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 30, 1993
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| State Tract 436 O-4-13476 | Mustang Island (13 Sand) | TR Offshore, LLC | 1 | 7.61K | 14.5K | Jun 2007 – Jul 2026 |
| State 436 Gas Unit G-4-147700 | Red Fish Bay-Mus. IS (Common 10) | Chaparral Energy, L.L.C. | 1 | 0 | 1.29M | Dec 1993 – May 2007 |
| State Tract 436 G-4-12250 | Mustang Island ( 5 7810) | Bristol Resources Corporation | 1 | 0 | 0 | Jan 1993 – Dec 1993 |
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.
- 1Bristol Resources CorporationDec 1993 → Nov 1999
- 2Chaparral (USA) Energy, Inc.Sep 2001 → Sep 2002
- 3Chaparral Energy, L.L.C.Oct 2002 → May 2008
- 4TR Offshore, LLCJul 2018 → Jul 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 630582-99 | Recompletion | Chaparral Energy, L.L.C. | Dec 14, 2006 | Dec 18, 2006 | Dec 19, 2006 | 8,500 |
| 416424-99 | Recompletion | Bristol Resources Corporation | Sep 24, 1993 | Nov 16, 1993 | Dec 14, 1993 | 9,600 |
| 252451-99 | Recompletion | Arco Oil & Gas Co. | Sep 20, 1984 | Sep 24, 1984 | — | 9,526 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-12250 | — | — | — | — |
| — | — G-4-147700 | — | — | — | — |
| — | — O-4-13476 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,779 | 6,789 | Perforated |
| 6,815 | 6,819 | Perforated |
| 7,261 | 7,265 | Perforated |
| 7,431 | 7,433 | Perforated |
| 7,506 | 7,518 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 159 | 24 | 200 S |
| 20 | 159 | — | 200 S |
| 16 | 1,151 | — | 1,025 S |
| 16 | 1,151 | 19 | 2,085 S |
| 10.75 | 4,954 | 15 | 1,500 S |
| 10.75 | 4,954 | — | 1,500 S |
| 7 | 7,525 | 9.625 | 1,000 S |
| 7 | 7,527 | — | 100 S |
| 10.75 | — | — | 1,500 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 | Nov 20, 2008 | May 2, 2008 | — |
| 00 | Aug 2, 2008 | — | — |
| 00 | Feb 28, 2002 | Dec 28, 2001 | — |
| 00 | Mar 21, 1994 | Jan 10, 1994 | Yes |
| 00 | Jan 26, 1994 | — | — |
| 00 | Mar 17, 1986 | Feb 14, 1986 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-355-02802 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-02802 → 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/35502802, documented in the API reference.