TEXAS · WELLS · WARD COUNTY · API 42-475-34807 · DISTRICT 7B
Lost Frog #4
Ward County · Horned Toad (Delaware) field · Injection · Vertical
Lost Frog #4 (API 42-475-34807) is a well in Ward County operated by Seaboard Operating CO., completed March 6, 2004 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 14, 2004, permitted to 4,990 ft.
Completion filings report 13 formation tops, including Rustler, Delaware, Clear Fork, Glorieta.
Its 2 leases have reported 793K barrels of oil and 2.32M mcf of gas since January 2003, last reporting in July 2026. The leases carry 22 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 127K barrels injected in the 12 months reported through July 2025.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 9, 2026
- Permits on file
- 189
- Phone
- (432) 684-7005
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 | Seaboard Operating Co.Jan 14, 2004 |
- 4,990
- total depth, ft
- 2
- permits on file
- Jan 14, 2004
- last permit issued
- Mar 6, 2004
- completed
- 793K
- cumulative oil, bbl
- 2.32M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 6, 2004
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lost Frog O-10-37570 | Horned Toad (Delaware) | Seaboard Operating Co. | 14 | 616K | 2.01M | Aug 2005 – Jul 2026 |
| Lost Frog O-10-37020 | Quito, West (Delaware) | Seaboard Operating Co. | 8 | 177K | 303K | Jan 2003 – Jan 2006 |
Oil, barrels lease total
Last 12 months 5,099 · prior 12 6,892(-26%)
Gas, mcf lease total
Last 12 months 32,247 · prior 12 38,603(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Seaboard Operating Co.Jan 2003 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 540699-98 | Drill | Seaboard Operating Co. | Feb 2, 2004 | Jan 14, 2004 | — | 5,050 |
| 540699-99 | Drill | Seaboard Operating Co. | Jan 13, 2004 | Jan 14, 2004 | Feb 3, 2004 | 5,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 6, 2004 | Lost Frog O-10-37570 | Horned Toad (Delaware) | Seaboard Operating Co. | Injection | 4,990 |
| Mar 12, 2004 | Lost Frog O-10-37020 | Quito West (Delaware) | Seaboard Operating Co. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,618 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,099 | 1,519 |
| Delaware | 4,783 | -2,165 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Holt | — | — |
| Lamar | — | — |
| Olds | — | — |
| Queen | — | — |
| Ramsey | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Seven Rivers | — | — |
| Tubb | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,840 | 4,950 | Perforated |
| 4,860 | 4,878 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,192 | 12.25 | 700 S |
| 5.5 | 4,990 | 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 | Sep 16, 2024 | Apr 19, 2024 | — |
| 00 | Oct 18, 2016 | Oct 12, 2016 | — |
| 00 | Oct 25, 2005 | Apr 19, 2004 | Yes |
| 00 | Aug 3, 2004 | Apr 19, 2004 | Yes |
| 00 | Jul 1, 2004 | — | — |
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 42-475-34807 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-34807 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 127K
- bbl, last 12 reported months
- 862K
- bbl, all reported
- Jul 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000112754 | H-1 Injection | Active | 3,000 | 2,350 | 4,840–4,950 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 127,134 · prior 12 142,429(-11%)
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/47534807, documented in the API reference.