WELL · 42-225-20084 · DISTRICT 3
Espf 'B' #4
Houston County · Vertical
Espf 'B' #4 (API 42-225-20084) is a well in Houston County operated by Navidad Resources, LLC, completed June 11, 1981.
The RRC has issued 2 drilling permits between 1981 and 2011, permitted to 11,473 ft.
Completion filings report 3 formation tops, including Austin Chalk, Woodbine, Buda.
Its 2 leases have reported 98.1K barrels of oil and 192K 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
Bullard, TX · P-5 Y, filed Jul 2, 2015 · 113 permits on file · (903) 714-8911
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Etx Energy, LLCthrough Oct 2021 |
| Latest permit | Navidad Resources, LLCOct 25, 2011 |
- 11,473
- total depth, ft
- 2
- permits on file
- Oct 25, 2011
- last permit issued
- Jun 11, 1981
- completed
- 98.1K
- cumulative oil, bbl
- 192K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 11, 1981
- 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 2 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 |
|---|---|---|---|---|---|---|
| Eastham State Farm "B" O-3-15894 | Fort Trinidad, SW (Edwards) | Trailblazer Energy Resources,llc | 2 | 16.8K | 34.6K | Jan 1993 – Jul 2026 |
| Espf "B" O-3-25936 | Ft. Trinidad, S. (Buda) | Trailblazer Energy Resources,llc | 1 | 81.3K | 157K | Oct 2011 – Jul 2026 |
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.
- 1Parten Oil Co.Jan 1993 → Jan 1994
- 2Parten Operating Inc.Feb 1994 → Jan 2000
- 3Saxet Operating Co.,inc.Feb 2000 → May 2008
- 4Navidad Resources, LLCOct 2011 → Aug 2013
- 5Sem Operating Company LLCSep 2013 → Feb 2020
- 6Etx Energy, LLCMar 2020 → Oct 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 726536-99 | Recompletion | Navidad Resources, LLC | Oct 18, 2011 | Oct 25, 2011 | Jul 8, 2011 | 11,473 |
| 136222-99 | Recompletion | Sandi Production, Inc. | Oct 13, 1981 | Oct 13, 1981 | — | 11,473 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-15894 | — | — | — | — |
| — | — O-3-25936 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 155 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 8,456 | -8,301 |
| Woodbine | 8,814 | -8,659 |
| Buda | 9,754 | -9,599 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,758 | 9,878 | Perforated |
| 10,433 | 10,594 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 118 | 17.5 | 155 S |
| 9.625 | 2,784 | 12.25 | 750 S |
| 2.875 | 10,260 | — | — |
| 5.5 | 11,461 | 8.75 | 2,800 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 | Dec 14, 2012 | May 3, 2012 | Yes |
| 00 | Jan 12, 1984 | Sep 28, 1982 | — |
| 00 | Jan 12, 1984 | Sep 28, 1981 | — |
| 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 42-225-20084 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-225-20084 → 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/22520084, documented in the API reference.