WELL · 42-255-37453 · DISTRICT 2
Blowfish Unit #104H
Karnes County · Sugarkane (Austin Chalk) field · Producing · Horizontal
Blowfish Unit #104H (API 42-255-37453) is a horizontal well in Karnes County operated by Magnolia Oil & Gas Operating LLC, completed September 1, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 13, 2022, permitted to 14,500 ft.
Completion filings report 10 formation tops, including Midway, Navarro, Tyler, Pecan Gap.
No lease production has been reported under this well’s leases.
Operator of record
Magnolia Oil & Gas Operating LLC
Houston, TX · P-5 Y, filed Mar 4, 2026 · 615 permits on file · (713) 345-6206
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Magnolia Oil & Gas Operating LLCApr 13, 2022 |
- 14,500
- total depth, ft
- 2
- permits on file
- Apr 13, 2022
- last permit issued
- Sep 1, 2022
- completed
- 0
- cumulative oil, bbl
- 386K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 1, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.950176, -97.983977
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes 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 |
|---|---|---|---|---|---|---|
| Blowfish Unit G-2-295392 | Sugarkane (Austin Chalk) | Magnolia Oil & Gas Operating LLC | 1 | 0 | 386K | Jun 2022 – Jul 2026 |
Gas, mcf lease total
Last 12 months 48,475 · prior 12 76,543(-37%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Magnolia Oil & Gas Operating LLCAug 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 878939-98 | Drill | Magnolia Oil & Gas Operating LLC | May 18, 2022 | Apr 13, 2022 | Jun 9, 2022 | 14,500 |
| 878939-99 | Drill | Magnolia Oil & Gas Operating LLC | Apr 7, 2022 | Apr 13, 2022 | Jun 9, 2022 | 14,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-295392 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 311 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 6,887 | -6,576 |
| Navarro | 7,931 | -7,620 |
| Tyler | 8,879 | -8,568 |
| Pecan Gap | 10,152 | -9,841 |
| Austin Chalk | 10,263 | -9,952 |
| Carrizo | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Queen City | — | — |
| Reklaw | — | — |
| YeguaYEGUA - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,520 | 14,167 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,940 | 12.25 | 1,395 S |
| 5.5 | 14,295 | 8.75 | 2,260 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 | Aug 30, 2023 | May 25, 2023 | 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 42-255-37453 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37453 → 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.
Blowfish Unit42-255-37452
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Midway | 6,892 | -6,581 |
| Navarro | 7,927 | -7,616 |
| Tyler | 8,850 | -8,539 |
| Pecan Gap | 10,127 | -9,816 |
| Queen City | — | |
| Yegua | — | |
| Wilcox | — | |
| Reklaw | — |
10 TOPS · FIRST 8
Kruciak42-255-37319
0.7 KM · Tidal Petroleum, Inc. · Section with this well →
| Frio | 2,014 | -1,682 |
| Yegua | 2,500 | -2,168 |
| Queen City | 2,700 | -2,368 |
| Reklaw | 3,000 | -2,668 |
| Carrizo | 3,350 | -3,018 |
| Wilcox | 4,460 | -4,128 |
| Austin Chalk | 10,103 | -9,771 |
| Eagle Ford | — |
10 TOPS · FIRST 8
Hons Unit42-255-35287
1.0 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 1,122 | -795 |
| Queen City | 2,994 | -2,667 |
| Reklaw | 3,321 | -2,994 |
| Carrizo | 3,919 | -3,592 |
| Sligo | — | |
| Wilcox | — | |
| Frio | — | |
| Edwards | — |
10 TOPS · FIRST 8
Hons Unit42-255-35286
1.0 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 1,122 | -795 |
| Queen City | 2,992 | -2,665 |
| Reklaw | 3,320 | -2,993 |
| Carrizo | 3,919 | -3,592 |
| Wilcox | 3,926 | -3,599 |
| Austin Chalk | 10,083 | -9,756 |
| Eagle Ford | 10,377 | -10,050 |
| Sligo | — |
10 TOPS · FIRST 8
Apollo Unit42-255-35703
1.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 1,036 | -705 |
| Queen City | 2,846 | -2,515 |
| Reklaw | 3,676 | -3,345 |
| Carrizo | 4,016 | -3,685 |
| Wilcox | 5,156 | -4,825 |
| Austin Chalk | 10,173 | -9,842 |
| Eagle Ford | 10,383 | -10,052 |
| Frio | — |
10 TOPS · FIRST 8
Apollo Unit42-255-35704
1.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 1,056 | -725 |
| Queen City | 2,866 | -2,535 |
| Reklaw | 3,696 | -3,365 |
| Carrizo | 4,036 | -3,705 |
| Wilcox | 5,176 | -4,845 |
| Austin Chalk | 10,162 | -9,831 |
| Edwards | — | |
| Sligo | — |
10 TOPS · FIRST 8
Apollo Unit42-255-35705
1.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 1,038 | -707 |
| Queen City | 1,848 | -1,517 |
| Reklaw | 3,678 | -3,347 |
| Carrizo | 4,018 | -3,687 |
| Wilcox | 5,158 | -4,827 |
| Austin Chalk | 10,177 | -9,846 |
| Eagle Ford | 10,379 | -10,048 |
| Edwards | — |
10 TOPS · FIRST 8
Apollo Unit42-255-35707
1.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 1,060 | -729 |
| Queen City | 1,870 | -1,539 |
| Reklaw | 3,700 | -3,369 |
| Carrizo | 4,040 | -3,709 |
| Wilcox | 5,180 | -4,849 |
| Austin Chalk | 10,199 | -9,868 |
| Eagle Ford | 10,367 | -10,036 |
| Frio | — |
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/25537453, documented in the API reference.