WELL · 42-255-37166 · DISTRICT 2
Bolf AC Unit #4H
Karnes County · Sugarkane (Austin Chalk) field · Shut IN · Horizontal
Bolf AC Unit #4H (API 42-255-37166) is a horizontal well in Karnes County operated by Ageron Energy LLC, completed June 30, 2021 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued April 7, 2021, permitted to 10,704 ft.
Completion filings report 10 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its lease has reported 351K barrels of oil and 529K mcf of gas since December 2019, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Feb 4, 2026 · 68 permits on file · (866) 485-0116
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ageron Energy LLC |
| Production reports | Ageron Energy, LLCthrough Apr 2026 |
| Latest permit | Ageron Energy, LLCApr 7, 2021 |
- 10,704
- total depth, ft
- 1
- permits on file
- Apr 7, 2021
- last permit issued
- Jun 30, 2021
- completed
- 351K
- cumulative oil, bbl
- 529K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 30, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.912631, -98.037957
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bolf AC Unit O-2-12012 | Sugarkane (Austin Chalk) | Ageron Energy, LLC | 2 | 351K | 529K | Dec 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 16,906 · prior 12 21,476(-21%)
Gas, mcf lease total
Last 12 months 36,604 · prior 12 38,389(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ageron Energy, LLCDec 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 868830-99 | Drill | Ageron Energy, LLC | Apr 1, 2021 | Apr 7, 2021 | Apr 7, 2021 | 10,704 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-12012 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 392 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 800 | -408 |
| YeguaYEGUA - DISPOSAL | 985 | -593 |
| Queen City | 2,939 | -2,547 |
| Reklaw | 3,256 | -2,864 |
| Carrizo | 3,991 | -3,599 |
| WilcoxWILCOX - DISPOSAL | 6,385 | -5,993 |
| Austin ChalkAUSTIN CHALK - H2S | 10,252 | -9,860 |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,912 | 16,010 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,937 | 12.25 | 1,467 S |
| 5.5 | 16,140 | 8.5 | 2,799 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 | Nov 17, 2021 | Sep 17, 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 42-255-37166 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37166 → 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.
Bolf Unit42-255-35496
0.2 KM · Ageron Energy, LLC · Section with this well →
| Yegua | 720 | -333 |
| Queen City | 2,480 | -2,093 |
| Reklaw | 2,830 | -2,443 |
| Carrizo | 3,440 | -3,053 |
| Wilcox | 5,800 | -5,413 |
| Austin Chalk | 10,381 | -9,994 |
| Eagle Ford | 10,714 | -10,327 |
| Frio | — |
10 TOPS · FIRST 8
Franklin Unit42-255-36437
0.6 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 877 | -496 |
| Queen City | 2,877 | -2,496 |
| Reklaw | 3,307 | -2,926 |
| Carrizo | 3,807 | -3,426 |
| Wilcox | 5,507 | -5,126 |
| Austin Chalk | 10,282 | -9,901 |
| Frio | — | |
| Sligo | — |
10 TOPS · FIRST 8
Franklin Unit42-255-36436
0.6 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 851 | -470 |
| Queen City | 2,851 | -2,470 |
| Reklaw | 3,281 | -2,900 |
| Carrizo | 3,781 | -3,400 |
| Wilcox | 5,481 | -5,100 |
| Austin Chalk | 10,378 | -9,997 |
| Eagle Ford | — | |
| Edwards | — |
10 TOPS · FIRST 8
Franklin Unit42-255-36442
0.6 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 851 | -470 |
| Queen City | 2,851 | -2,470 |
| Reklaw | 3,281 | -2,900 |
| Carrizo | 3,781 | -3,400 |
| Wilcox | 5,481 | -5,100 |
| Austin Chalk | 10,413 | -10,032 |
| Eagle Ford | — | |
| Sligo | — |
10 TOPS · FIRST 8
Long-Fischer Unit42-255-35882
0.7 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 1,042 | -636 |
| Queen City | 2,931 | -2,525 |
| Reklaw | 3,279 | -2,873 |
| Carrizo | 3,780 | -3,374 |
| Wilcox | 5,721 | -5,315 |
| Austin Chalk | 10,260 | -9,854 |
| Frio | — | |
| Edwards | — |
10 TOPS · FIRST 8
Franklin Unit42-255-37662
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Yegua | 1,061 | -701 |
| Queen City | 3,095 | -2,735 |
| Reklaw | 3,385 | -3,025 |
| Carrizo | 3,986 | -3,626 |
| Wilcox | 4,280 | -3,920 |
| Austin Chalk | 10,414 | -10,054 |
| Eagle Ford | 10,672 | -10,312 |
| Frio | — |
10 TOPS · FIRST 8
Long-Fischer Unit42-255-35877
0.7 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 1,038 | -632 |
| Queen City | 2,896 | -2,490 |
| Reklaw | 3,240 | -2,834 |
| Carrizo | 3,734 | -3,328 |
| Wilcox | 5,645 | -5,239 |
| Austin Chalk | 10,414 | -10,008 |
| Eagle Ford | 10,664 | -10,258 |
| Edwards | — |
10 TOPS · FIRST 8
Long-Fischer Unit42-255-35878
0.7 KM · Encana Oil & Gas(usa) Inc. · Section with this well →
| Yegua | 1,040 | -634 |
| Queen City | 2,852 | -2,446 |
| Reklaw | 3,184 | -2,778 |
| Carrizo | 3,661 | -3,255 |
| Wilcox | 5,510 | -5,104 |
| Austin Chalk | 10,397 | -9,991 |
| Eagle Ford | 10,671 | -10,265 |
| 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/25537166, documented in the API reference.