WELL · 42-479-44234 · DISTRICT 1
Spohn Ranch #28H
Webb County · Ammann (Buda) field · SWR-10-Well · Horizontal
Spohn Ranch #28H (API 42-479-44234) is a horizontal well in Webb County operated by Trinity Operating (Usg) LLC, completed November 9, 2020 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit, issued September 17, 2019, permitted to 12,000 ft.
It was permitted by Escondido Resources Oper CO, LLC and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.
Completion filings report 11 formation tops, including Wilcox, Escondido, Olmos, Eagle Ford.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Escondido Resources Oper Co, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 392 permits on file · (888) 510-9581
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Apr 2026 |
| Latest permit | Escondido Resources Oper Co, LLCSep 17, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Sep 17, 2019
- last permit issued
- Nov 9, 2020
- completed
- 0
- cumulative oil, bbl
- 6.82M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 9, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
27.960094, -99.623808
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Webb County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Spohn Ranch G-1-290383 | Briscoe Ranch (Eagleford) | Trinity Operating (Usg), LLC | 1 | 0 | 6.82M | Nov 2020 – Jul 2026 |
| Spohn Ranch G-1-290402 | Ammann (Buda) | Trinity Operating (Usg), LLC | 1 | 0 | 0 | Nov 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 509,844 · prior 12 660,215(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Escondido Resources Oper Co, LLCNov 2020 → May 2024
- 2Trinity Operating (Usg), LLCJun 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 856997-99 | Drill | Escondido Resources Oper Co, LLC | Sep 11, 2019 | Sep 17, 2019 | Dec 27, 2019 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-290383 | — | — | — | — |
| — | — G-1-290402 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 626 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - INJECTION/DISPOSAL | 3,629 | -3,003 |
| EscondidoESCONDITO - INJECTION/DISPOSAL; | 4,644 | -4,018 |
| OlmosOLMOS - INJECTION/DISPOSAL | 6,391 | -5,765 |
| Eagle FordEAGLE FORD SHALE | 9,738 | -9,112 |
| Buda | 10,236 | -9,610 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Cook Mountain | — | — |
| EdwardsEDWARDS LIMESTONE - H2S | — | — |
| JacksonJACKSON - INJECTION/DISPOSAL | — | — |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL; | — | — |
| YeguaYEGUA - INJECTION/DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,226 | 21,368 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 4,030 | 13.5 | 1,040 S |
| 5.5 | 21,187 | 8.75 | 4,305 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 | Mar 4, 2021 | Feb 23, 2021 | — |
| 00 | Mar 1, 2021 | Feb 9, 2021 | 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 42-479-44234 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-44234 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Spohn Ranch42-479-44235
0.0 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 3,629 | -3,003 |
| Escondido | 4,644 | -4,018 |
| Olmos | 6,410 | -5,784 |
| Eagle Ford | 9,754 | -9,128 |
| Cook Mountain | — | |
| Edwards | — | |
| Jackson | — | |
| Queen City | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-44324
0.0 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 3,629 | -3,003 |
| Escondido | 4,644 | -4,018 |
| Olmos | 6,392 | -5,766 |
| Eagle Ford | 9,752 | -9,126 |
| Cook Mountain | — | |
| Yegua | — | |
| Queen City | — | |
| Jackson | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-44325
0.0 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 3,638 | -3,012 |
| Escondido | 4,653 | -4,027 |
| Olmos | 6,396 | -5,770 |
| Eagle Ford | 9,756 | -9,130 |
| Jackson | — | |
| Catahoula | — | |
| Queen City | — | |
| Yegua | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-43792
1.0 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 2,200 | -1,554 |
| Escondido | 4,604 | -3,958 |
| Olmos | 6,498 | -5,852 |
| Eagle Ford | 9,613 | -8,967 |
| Catahoula | — | |
| Cook Mountain | — | |
| Edwards | — | |
| Jackson | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-43790
1.0 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 2,192 | -1,575 |
| Escondido | 4,598 | -3,981 |
| Olmos | 6,598 | -5,981 |
| Eagle Ford | 9,625 | -9,008 |
| Queen City | — | |
| Jackson | — | |
| Edwards | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-43791
1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 2,200 | -1,554 |
| Escondido | 4,598 | -3,952 |
| Olmos | 6,559 | -5,913 |
| Eagle Ford | 9,626 | -8,980 |
| Edwards | — | |
| Cook Mountain | — | |
| Catahoula | — | |
| Yegua | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-43794
1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Wilcox | 2,200 | -1,554 |
| Escondido | 4,600 | -3,954 |
| Olmos | 6,596 | -5,950 |
| Eagle Ford | 9,632 | -8,986 |
| Catahoula | — | |
| Cook Mountain | — | |
| Edwards | — | |
| Jackson | — |
10 TOPS · FIRST 8
Spohn Ranch42-479-43512
1.6 KM · Escondido Resources Oper Co, LLC · Section with this well →
| Escondido | 4,740 | -4,102 |
| Olmos | 6,725 | -6,087 |
| Eagle Ford | 9,756 | -9,118 |
| Queen City | — | |
| Jackson | — | |
| Edwards | — | |
| Catahoula | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
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/47944234, documented in the API reference.