WELL · 42-255-35456 · DISTRICT 2
Atlas Unit #101H
Karnes County · Sugarkane (Austin Chalk) field · Shut IN · Horizontal
Atlas Unit #101H (API 42-255-35456) is a horizontal well in Karnes County operated by Caturus Energy LLC, completed September 20, 2017 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued May 9, 2017, permitted to 11,300 ft.
It was permitted by Blackbrush O & G, LLC and has since transferred to Caturus Energy LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its lease has reported 49.4K barrels of oil and 268K mcf of gas since September 2017, last reporting in July 2026.
Operator of record
Permitted by Blackbrush O & G, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 3, 2025
- Permits on file
- 77
- Phone
- (713) 600-6062
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Caturus Energy LLC |
| Production reports | Kimmeridge Texas Gas, LLCthrough Jun 2024 |
| Latest permit | Blackbrush O & G, LLCMay 9, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,300
- total depth, ft
- 1
- permits on file
- May 9, 2017
- last permit issued
- Sep 20, 2017
- completed
- 49.4K
- cumulative oil, bbl
- 268K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 20, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 |
|---|---|---|---|---|---|---|
| Atlas Unit O-2-11448 | Sugarkane (Austin Chalk) | Caturus Energy, LLC | 1 | 49.4K | 268K | Sep 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 108(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Blackbrush O & G, LLCSep 2017 → Jun 2023
- 2Kimmeridge Texas Gas, LLCJul 2023 → Jun 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 826225-99 | Drill | Blackbrush O & G, LLC | May 3, 2017 | May 9, 2017 | Jun 14, 2017 | 11,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-11448 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 507 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 500 | 7 |
| YeguaYEGUA - DISPOSAL | 1,340 | -833 |
| Queen City | 3,441 | -2,934 |
| Reklaw | 3,565 | -3,058 |
| Carrizo | 4,154 | -3,647 |
| WilcoxWILCOX - DISPOSAL | 4,465 | -3,958 |
| Austin ChalkAUSTIN CHALK - H2S | 10,932 | -10,425 |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,291 | 14,868 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,600 | 12.25 | 1,995 S |
| 5.5 | 14,962 | 8.75 | 2,270 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 22, 2018 | Jan 24, 2018 | 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 42-255-35456 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-35456 → 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.
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/25535456, documented in the API reference.