WELL · 42-497-33096 · DISTRICT 9
West Chico Unit #717
Wise County · Chico West (Caddo Congl. Upper) field · Vertical
West Chico Unit #717 (API 42-497-33096) is a plugged well in Wise County, plugged May 12, 2011, last operated by Large Operating LLC.
The RRC has issued one drilling permit, issued October 2, 1985, permitted to 5,700 ft.
It was permitted by Cities Service Oil & Gas Corp. and has since transferred to Large Operating LLC on the wellbore schedule.
Its lease has reported 165K barrels of oil and 978K mcf of gas since January 1993, last reporting in July 2026. The lease carries 19 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Cities Service Oil & Gas Corp.; the EWA schedule now lists a different operator.
Stinnett, TX · P-5 Y, filed Sep 4, 2025 · 2 permits on file · (806) 681-5952
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Large Operating LLC |
| Production reports | Large Operating LLCthrough Apr 2026 |
| Latest permit | Cities Service Oil & Gas Corp.Oct 2, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,700
- total depth, ft
- 1
- permits on file
- Oct 2, 1985
- last permit issued
- Oct 28, 1985
- completed
- 165K
- cumulative oil, bbl
- 978K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 28, 1985
- Shut in
- —
- Plugged
- May 12, 2011
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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Chico Unit O-13-10334 | Chico, West (Caddo Congl. Upper) | Large Operating LLC | 19 | 165K | 978K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 10,891 · prior 12 8,005(+36%)
Oil, barrels lease total
Last 12 months 110 · prior 12 48(+129%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1OXY USA Inc.Jan 1993 → Dec 1997
- 2JW Energy Co., LtdJan 1998 → Nov 2000
- 3WG Operating, Inc.Dec 2000 → Nov 2010
- 4Milagro Exploration, LLCDec 2010 → Mar 2015
- 5Bridwell Oil Co.Nov 2015 → Mar 2019
- 6Big Mountain Operating LLCApr 2019 → Jul 2020
- 7Everest Energy LLCAug 2020 → May 2021
- 8Large Operating LLCJun 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 286510-99 | Drill | Cities Service Oil & Gas Corp. | Oct 1, 1985 | Oct 2, 1985 | — | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-10334 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,432 | 5,442 | Perforated |
| 5,452 | 5,464 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 314 | 12.25 | 215 S |
| 5.5 | 5,704 | 7.875 | 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 21, 1985 | Nov 4, 1985 | Yes |
| 00 | Nov 14, 1985 | — | — |
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 42-497-33096 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-497-33096 → 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/49733096, documented in the API reference.