TEXAS · WELLS · UPTON COUNTY · FIREFLY LEASE · API 42-461-33831 · DISTRICT 6E
Firefly #1
Upton County · Dai (Wolfcamp) field · Vertical
Firefly #1 (API 42-461-33831) is a plugged well in Upton County, plugged January 25, 2012, last operated by Discovery Operating Inc..
The RRC has issued one drilling permit, issued August 14, 1997, permitted to 11,300 ft.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 37.6K barrels of oil and 93.8K mcf of gas since November 1997, last reporting in May 2012.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 31, 2026
- Permits on file
- 712
- Phone
- (432) 683-5203
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Discovery Operating Inc. |
| Production reports | Discovery Operating, Inc.through Jul 2011 |
| Latest permit | Discovery Operating, Inc.Aug 14, 1997 |
- 11,300
- total depth, ft
- 1
- permits on file
- Aug 14, 1997
- last permit issued
- —
- completed
- 37.6K
- cumulative oil, bbl
- 93.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1997 THROUGH May 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Jan 25, 2012
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 |
|---|---|---|---|---|---|---|
| Firefly O-9-14677 | Dai (Wolfcamp) | Discovery Operating, Inc. | 1 | 37.6K | 93.8K | Nov 1997 – May 2012 |
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.
- 1Discovery Operating, Inc.Nov 1997 → Jun 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 466092-99 | Drill | Discovery Operating, Inc. | Aug 11, 1997 | Aug 14, 1997 | Sep 11, 1997 | 11,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | Firefly O-9-14677 | Dai (Wolfcamp) | Discovery Operating Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,859 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,755 | 9,868 | Perforated |
| 9,769 | 9,868 | Perforated |
| 9,841 | 9,868 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 403 | 17 | 370 S |
| 8.625 | 4,950 | 12.25 | 730 S |
| 5.5 | 10,187 | 7.875 | 350 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 | Aug 26, 1998 | Jul 22, 1998 | — |
| 00 | Feb 5, 1998 | Jan 12, 1998 | — |
| 00 | Jan 15, 1998 | Nov 18, 1997 | Yes |
| 00 | Dec 3, 1997 | — | Yes |
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 42-461-33831 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-33831 → 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/46133831, documented in the API reference.