WELL · 42-479-45520 · DISTRICT 4
State of Texas Rafter O Unit A #10H
Webb County · Horizontal
State Of Texas Rafter O Unit A #10H (API 42-479-45520) is a permitted horizontal well in Webb County filed by Killam Oil CO., Ltd.; no completion report is on file yet.
The RRC has issued one drilling permit, issued December 8, 2025, permitted to 12,250 ft.
Completion filings report 10 formation tops, including Wilcox, Escondido, Olmos, Austin Chalk.
Operator of record
Laredo, TX · P-5 Y, filed Feb 4, 2026 · 837 permits on file · (956) 724-7141
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Killam Oil Co., Ltd.Dec 8, 2025 |
- 12,250
- total depth, ft
- 1
- permits on file
- Dec 8, 2025
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
27.855411, -99.485086
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Webb County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 912076-99 | Drill | Killam Oil Co., Ltd. | Dec 4, 2025 | Dec 8, 2025 | — | 12,250 |
Formation tops
As filed on W-2/G-1. Subsea from 721 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - INJECTION/DISPOSAL | 5,242 | -4,521 |
| EscondidoESCONDITO - INJECTION/DISPOSAL; | 6,080 | -5,359 |
| OlmosOLMOS - INJECTION/DISPOSAL | 7,750 | -7,029 |
| Austin Chalk | 11,085 | -10,364 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Cook Mountain | — | — |
| Eagle FordEAGLE FORD SHALE | — | — |
| JacksonJACKSON - INJECTION/DISPOSAL | — | — |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL; | — | — |
| YeguaYEGUA - INJECTION/DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,851 | 18,291 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,432 | 12.25 | 1,241 S |
| 5.5 | 18,379 | 8.75 | 3,257 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 4, 2026 | Aug 4, 2026 | 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 42-479-45520 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-45520 → 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.
State of Texas Rafter O Unit A42-479-45521
0.0 KM · Killam Oil Co., Ltd. · Section with this well →
| Wilcox | 5,210 | -4,489 |
| Escondido | 6,080 | -5,359 |
| Olmos | 7,750 | -7,029 |
| Austin Chalk | 11,087 | -10,366 |
| Eagle Ford | 11,652 | -10,931 |
| Cook Mountain | — | |
| Jackson | — | |
| Queen City | — |
10 TOPS · FIRST 8
State of Texas Rafter O Unit A42-479-44499
0.1 KM · Rio Grande E&P, LLC · Section with this well →
| Wilcox | 5,195 | -4,474 |
| Midway | 5,560 | -4,839 |
| Escondido | 6,310 | -5,589 |
| Olmos | 7,787 | -7,066 |
| Eagle Ford | 11,648 | -10,927 |
| Queen City | — | |
| Cook Mountain | — | |
| Catahoula | — |
10 TOPS · FIRST 8
State of Texas Rafter O Unit B42-479-44500
0.1 KM · Rio Grande E&P, LLC · Section with this well →
| Wilcox | 5,200 | -4,478 |
| Escondido | 6,310 | -5,588 |
| Olmos | 7,743 | -7,021 |
| Anacacho | 10,502 | -9,780 |
| Austin Chalk | 11,312 | -10,590 |
| Eagle Ford | 11,636 | -10,914 |
| Catahoula | — | |
| Cook Mountain | — |
13 TOPS · FIRST 8
State of Texas Rafter O Unit B42-479-44504
0.1 KM · Rio Grande E&P, LLC · Section with this well →
| Wilcox | 5,200 | -4,478 |
| Navarro | 6,090 | -5,368 |
| Escondido | 6,310 | -5,588 |
| Olmos | 7,743 | -7,021 |
| Anacacho | 10,502 | -9,780 |
| Cook Mountain | — | |
| Catahoula | — | |
| Eagle Ford | — |
12 TOPS · FIRST 8
State of Texas Rafter O Unit C42-479-44815
0.9 KM · Killam Oil Co., Ltd. · Section with this well →
| Wilcox | 5,178 | -4,446 |
| Escondido | 6,071 | -5,339 |
| Olmos | 7,675 | -6,943 |
| Anacacho | 10,630 | -9,898 |
| Austin Chalk | 11,138 | -10,406 |
| Yegua | — | |
| Catahoula | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
State of Texas Rafter O Unit C42-479-44814
0.9 KM · Killam Oil Co., Ltd. · Section with this well →
| Wilcox | 5,173 | -4,441 |
| Escondido | 6,080 | -5,348 |
| Olmos | 7,675 | -6,943 |
| Anacacho | 10,622 | -9,890 |
| Austin Chalk | 11,148 | -10,416 |
| Yegua | — | |
| Catahoula | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
State of Texas Rafter O East42-479-44794
2.6 KM · Killam Oil Co., Ltd. · Section with this well →
| Wilcox | 5,027 | -4,338 |
| Escondido | 5,829 | -5,140 |
| Olmos | 7,288 | -6,599 |
| Austin Chalk | 10,877 | -10,188 |
| Yegua | — | |
| Jackson | — | |
| Eagle Ford | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
State of Texas Rafter O East42-479-44793
2.6 KM · Killam Oil Co., Ltd. · Section with this well →
| Wilcox | 5,014 | -4,326 |
| Escondido | 5,826 | -5,138 |
| Olmos | 7,286 | -6,598 |
| Austin Chalk | 10,875 | -10,187 |
| Eagle Ford | 11,440 | -10,752 |
| Cook Mountain | — | |
| Queen City | — | |
| Jackson | — |
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/47945520, documented in the API reference.