WELL · 42-427-33060 · DISTRICT 4
Block, E. Heirs 'B' #4
Starr County · Vertical
Block, E. Heirs 'B' #4 (API 42-427-33060) is a permitted well in Starr County filed by Osborn,W.B. Oil & Gas Operations; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1997 and 2024, permitted to 10,000 ft.
Completion filings report one formation top, including Yegua.
Its 2 leases have reported 1.35K barrels of oil and 309K mcf of gas since March 1998, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Osborn,w.b. Oil & Gas Operations
San Antonio, TX · P-5 Y, filed Feb 4, 2026 · 63 permits on file · (210) 826-8654
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Osborn,w.b. Oil & Gas Operationsthrough Apr 2026 |
| Latest permit | Osborn,w.b. Oil & Gas OperationsMay 31, 2024 |
- 10,000
- total depth, ft
- 2
- permits on file
- May 31, 2024
- last permit issued
- —
- completed
- 1.35K
- cumulative oil, bbl
- 309K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
26.696262, -98.533080
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Starr 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 |
|---|---|---|---|---|---|---|
| Block, E. Heirs "B" O-4-14238 | Sun, West (8800) | Osborn,w.b. Oil & Gas Operations | 1 | 1.35K | 0 | May 2022 – Jul 2026 |
| Block, E. Heirs "B" G-4-167516 | Sun, West (8800) | Osborn,w.b. Oil & Gas Operations | 1 | 0 | 309K | Mar 1998 – Jul 2024 |
Oil, barrels lease total
Last 12 months 283 · prior 12 302(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Olsen Energy Inc.Mar 1998 → Mar 2010
- 2Osborn,w.b. Oil & Gas OperationsApr 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 899782-99 | Reclass | Osborn,w.b. Oil & Gas Operations | May 16, 2024 | May 31, 2024 | — | 9,706 |
| 470327-99 | Drill | Olsen Energy Inc. | Nov 20, 1997 | Nov 26, 1997 | Dec 17, 1997 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-167516 | — | — | — | — |
| — | — O-4-14238 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 339 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 9,706 | -9,367 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,749 | 8,751 | Perforated |
| 8,749 | 8,751 | Open hole |
| 8,764 | 8,776 | Perforated |
| 8,764 | 8,776 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,805 | 14.75 | 930 S |
| 7.625 | 7,894 | 9.875 | 670 S |
| 4.5 | 9,706 | 6.75 | 315 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 | Jun 7, 2024 | May 9, 2024 | — |
| 00 | Apr 28, 1998 | Apr 9, 1998 | Yes |
| 00 | Apr 16, 1998 | — | — |
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 42-427-33060 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33060 → 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.
N.R. Montalvo42-427-34779
3.4 KM · Killam Oil Co., Ltd. · Section with this well →
| Catahoula | 1,260 | -915 |
| Catahoula | 3,418 | -3,073 |
| Vicksburg | 5,820 | -5,475 |
| Miocene (undifferentiated) | — | |
| Queen City | — | |
| Yegua | — | |
| Wilcox | — | |
| Cook Mountain | — |
9 TOPS · FIRST 8
Fuerte Vida Waterflood Unit42-427-34753
3.7 KM · KA Energy OP Co. LLC · Section with this well →
| Catahoula | 3,000 | -2,629 |
| Queen City | — | |
| Wilcox | — | |
| Yegua | — | |
| Vicksburg | — | |
| Jackson | — | |
| Miocene (undifferentiated) | — | |
| Catahoula | — |
9 TOPS · FIRST 8
Saenz42-427-34637
3.9 KM · Patterson Energy Corporation · Section with this well →
| Frio | 3,762 | -3,385 |
| 3800' Frio Sand | 3,762 | -3,385 |
| 4100' Frio Sand | 4,100 | -3,723 |
| 4700' Frio Sand | 4,700 | -4,323 |
Garza42-427-34784
3.9 KM · Killam Oil Co., Ltd. · Section with this well →
| Catahoula | 1,327 | -1,008 |
| Catahoula | 3,290 | -2,971 |
| Vicksburg | 6,369 | -6,050 |
| Queen City | — | |
| Miocene (undifferentiated) | — | |
| Jackson | — | |
| Cook Mountain | — | |
| Yegua | — |
9 TOPS · FIRST 8
Fuerte Vida Waterflood Unit42-427-34759
4.1 KM · KA Energy OP Co. LLC · Section with this well →
| Miocene (undifferentiated) | 1,034 | -657 |
| Catahoula | 2,935 | -2,558 |
| Catahoula | — | |
| Wilcox | — | |
| Vicksburg | — | |
| Queen City | — | |
| Jackson | — | |
| Cook Mountain | — |
9 TOPS · FIRST 8
Montalvo, N. R.42-427-34817
4.1 KM · Triad O&G, LLC · Section with this well →
| Miocene (undifferentiated) | 8 | 353 |
| Catahoula | 1,212 | -851 |
| Catahoula | 3,220 | -2,859 |
| Vicksburg | 5,480 | -5,119 |
| Queen City | — | |
| Jackson | — | |
| Cook Mountain | — | |
| Yegua | — |
9 TOPS · FIRST 8
Saenz, Vicente State -C-42-427-34765
4.2 KM · Valor Energy, LLC · Section with this well →
| Miocene (undifferentiated) | 1,000 | -621 |
| Catahoula | 2,985 | -2,606 |
| Yegua | — | |
| Wilcox | — | |
| Vicksburg | — | |
| Queen City | — | |
| Jackson | — | |
| Cook Mountain | — |
9 TOPS · FIRST 8
I.V. Montalvo 'A'42-427-34762
4.4 KM · Killam Oil Co., Ltd. · Section with this well →
| Catahoula | 1,220 | -866 |
| Catahoula | 3,399 | -3,045 |
| Vicksburg | 5,753 | -5,399 |
| Miocene (undifferentiated) | — | |
| Cook Mountain | — | |
| Jackson | — | |
| Wilcox | — | |
| Yegua | — |
9 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/42733060, documented in the API reference.