WELL · 42-479-44037 · DISTRICT 1
Rio Bravo State EF B #4H
Webb County · Hawkville (Eagleford Shale) field · Producing · Horizontal
Rio Bravo State EF B #4H (API 42-479-44037) is a horizontal well in Webb County operated by Crescent Energy Operating LLC, completed February 3, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 21, 2018, permitted to 9,600 ft.
It was permitted by Silverbow Resources Oper, LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 11 formation tops, including Wilcox, Midway, Escondido, Olmos.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Silverbow Resources Oper, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · 54 permits on file · (713) 953-8604
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crescent Energy Operating LLC |
| Production reports | Silverbow Resources Oper, LLCthrough Apr 2026 |
| Latest permit | Silverbow Resources Oper, LLCSep 21, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,600
- total depth, ft
- 1
- permits on file
- Sep 21, 2018
- last permit issued
- Feb 3, 2019
- completed
- 0
- cumulative oil, bbl
- 5.53M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 3, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
27.792153, -99.831845
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rio Bravo State EF B G-1-287165 | Hawkville (Eagleford Shale) | Crescent Energy Operating, LLC | 1 | 0 | 5.53M | Nov 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 354,156 · prior 12 443,507(-20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Silverbow Resources Oper, LLCFeb 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 844940-99 | Drill | Silverbow Resources Oper, LLC | Sep 21, 2018 | Sep 21, 2018 | Dec 9, 2018 | 9,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-287165 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 510 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - INJECTION/DISPOSAL | 1,461 | -951 |
| Midway | 3,067 | -2,557 |
| EscondidoESCONDITO - INJECTION/DISPOSAL; | 3,504 | -2,994 |
| OlmosOLMOS - INJECTION/DISPOSAL | 5,926 | -5,416 |
| San Miguel | 7,309 | -6,799 |
| Austin Chalk | 8,638 | -8,128 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Cook Mountain | — | — |
| JacksonJACKSON - INJECTION/DISPOSAL | — | — |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL; | — | — |
| YeguaYEGUA - INJECTION/DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,847 | 19,561 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,237 | 12.25 | 835 S |
| 5.5 | 19,706 | 8.75 | 3,980 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 16, 2019 | Oct 4, 2019 | Yes |
| 00 | Oct 3, 2019 | Jun 5, 2019 | 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 42-479-44037 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-44037 → 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.
Rio Bravo State EF C42-479-44036
0.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Catahoula | 1,000 | -490 |
| Jackson | 1,100 | -590 |
| Yegua | 1,200 | -690 |
| Cook Mountain | 1,300 | -790 |
| Queen City | 1,400 | -890 |
| Wilcox | 1,482 | -972 |
| Midway | 3,091 | -2,581 |
| Escondido | 3,504 | -2,994 |
11 TOPS · FIRST 8
Rio Bravo State EF A42-479-44035
0.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 1,461 | -951 |
| Midway | 3,067 | -2,557 |
| Escondido | 3,504 | -2,994 |
| Olmos | 5,995 | -5,485 |
| Eagle Ford | 9,222 | -8,712 |
| Yegua | — | |
| Jackson | — | |
| Edwards | — |
11 TOPS · FIRST 8
Rio Bravo EF42-479-44385
0.4 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 1,502 | -999 |
| Escondido | 3,327 | -2,824 |
| Olmos | 5,954 | -5,451 |
| Austin Chalk | 8,635 | -8,132 |
| Eagle Ford | 9,222 | -8,719 |
| Yegua | — | |
| Cook Mountain | — | |
| Queen City | — |
10 TOPS · FIRST 8
Rio Bravo State EF42-479-43983
0.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 3,100 | -2,610 |
| Escondido | 4,100 | -3,610 |
| Olmos | 5,945 | -5,455 |
| San Miguel | 7,240 | -6,750 |
| Eagle Ford | 9,256 | -8,766 |
| Queen City | — | |
| Sligo | — | |
| Jackson | — |
12 TOPS · FIRST 8
Rio Bravo State EF42-479-43984
0.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 1,437 | -947 |
| Midway | 3,088 | -2,598 |
| Escondido | 3,517 | -3,027 |
| Olmos | 5,970 | -5,480 |
| Eagle Ford | 9,232 | -8,742 |
| Catahoula | — | |
| Cook Mountain | — | |
| Jackson | — |
10 TOPS · FIRST 8
Rio Bravo State EF42-479-43982
0.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | — | |
| Queen City | — | |
| Olmos | — | |
| Jackson | — | |
| Escondido | — | |
| Edwards | — | |
| Eagle Ford | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
Rio Bravo State EF42-479-43991
0.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Midway | 3,084 | -2,594 |
| Olmos | 5,945 | -5,455 |
| San Miguel | 7,216 | -6,726 |
| Anacacho | 8,226 | -7,736 |
| Austin Chalk | 8,617 | -8,127 |
| Eagle Ford | 9,238 | -8,748 |
| Yegua | — | |
| Wilcox | — |
14 TOPS · FIRST 8
Rio Bravo State42-479-44388
1.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Carrizo | 1,126 | -569 |
| Wilcox | 1,525 | -968 |
| Midway | 2,970 | -2,413 |
| Escondido | 3,507 | -2,950 |
| Olmos | 5,942 | -5,385 |
| Cook Mountain | — | |
| Jackson | — | |
| Queen City | — |
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/47944037, documented in the API reference.