WELL · 42-475-34840 · DISTRICT 8
Butterfly #1
Ward County · Horned Toad (Delaware) field · Vertical
Butterfly #1 (API 42-475-34840) is a plugged well in Ward County, plugged October 29, 2018, last operated by Seaboard Operating CO..
The RRC has issued one drilling permit, issued January 18, 2005, permitted to 5,200 ft.
It was permitted by Texon Oil Company, Inc. and has since transferred to Seaboard Operating CO. on the wellbore schedule.
Completion filings report 2 formation tops, including Lamar, Ramset.
Its 2 leases have reported 585K barrels of oil and 1.43M mcf of gas since May 2005, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texon Oil Company, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 189 permits on file · (432) 425-7364
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Seaboard Operating Co. |
| Production reports | Seaboard Operating Co.through Apr 2026 |
| Latest permit | Texon Oil Company, Inc.Jan 18, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,200
- total depth, ft
- 1
- permits on file
- Jan 18, 2005
- last permit issued
- May 16, 2005
- completed
- 585K
- cumulative oil, bbl
- 1.43M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 16, 2005
- Shut in
- —
- Plugged
- Oct 29, 2018
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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Butterfly O-10-37607 | Horned Toad (Delaware) | Seaboard Operating Co. | 16 | 575K | 1.43M | Sep 2005 – Jul 2026 |
| Butterfly O-10-37519 | Quito, West (Delaware) | Texon Oil Company, Inc. | 1 | 9.86K | 4.05K | May 2005 – Feb 2007 |
Oil, barrels lease total
Last 12 months 16,824 · prior 12 17,773(-5%)
Gas, mcf lease total
Last 12 months 85,241 · prior 12 92,735(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texon Oil Company, Inc.May 2005 → Jul 2019
- 2Seaboard Operating Co.Aug 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 555552-99 | Drill | Texon Oil Company, Inc. | Dec 30, 2004 | Jan 18, 2005 | Mar 12, 2005 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37519 | — | — | — | — |
| — | — O-10-37607 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,662 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lamar | 4,821 | -2,159 |
| Ramset | 4,851 | -2,189 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,920 | 4,940 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,138 | 12.25 | 915 S |
| 5.5 | 5,044 | 7.875 | 250 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 | Jan 3, 2006 | May 23, 2005 | Yes |
| 00 | Sep 26, 2005 | May 23, 2005 | Yes |
| 00 | Jul 26, 2005 | — | — |
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 42-475-34840 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-34840 → 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/47534840, documented in the API reference.