TEXAS · WELLS · LA SALLE COUNTY · CURTIS B UNIT LEASE · API 42-283-35606 · DISTRICT 01
Curtis B Unit #21H
La Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Curtis B Unit #21H (API 42-283-35606) is a horizontal well in La Salle County operated by Verdun Oil EF II LLC, completed November 27, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued September 16, 2015, permitted to 8,184 ft.
It was permitted by Carrizo (Eagle Ford) LLC and has since transferred to Verdun Oil EF II LLC on the wellbore schedule.
Completion filings report 11 formation tops, including Midway, Wilcox, Escondido, Olmos.
Its lease has reported 175K barrels of oil and 768K mcf of gas since October 2015, last reporting volume in April 2026.
Operator of record
Permitted by Carrizo (Eagle Ford) LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 26, 2026
- Permits on file
- 48
- Phone
- (713) 337-9300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Verdun Oil EF II LLC |
| Production reports | Verdun Oil EF II LLCthrough Apr 2026 |
| Latest permit | Carrizo (Eagle Ford) LLCSep 16, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,184
- total depth, ft
- 3
- permits on file
- Sep 16, 2015
- last permit issued
- Nov 27, 2015
- completed
- 175K
- cumulative oil, bbl
- 768K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2015 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 27, 2015
- 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 |
|---|---|---|---|---|---|---|
| Curtis B Unit O-1-18626 | Eagleville (Eagle Ford-1) | Verdun Oil EF II LLC | 1 | 175K | 768K | Oct 2015 – Apr 2026 |
Oil, barrels lease total
Last 12 months 4,668 · prior 12 5,750(-19%)
Gas, mcf lease total
Last 12 months 15,123 · prior 12 11,119(+36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo (Eagle Ford) LLCDec 2015 → Jan 2018
- 2EP Energy E&P Company, L.P.Feb 2018 → Apr 2022
- 3EP Energy E&P Company, LLCMay 2022 → Feb 2025
- 4Verdun Oil EF II LLCMar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 810121-97 | Drill | Carrizo (Eagle Ford) LLC | Sep 30, 2015 | Sep 16, 2015 | Nov 7, 2015 | 11,000 |
| 810121-98 | Drill | Carrizo (Eagle Ford) LLC | Sep 25, 2015 | Sep 16, 2015 | — | 11,000 |
| 810121-99 | Drill | Carrizo (Eagle Ford) LLC | Sep 4, 2015 | Sep 16, 2015 | Oct 7, 2015 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 27, 2015 | Curtis B Unit O-1-18626 | Eagleville (Eagle Ford-1) | Verdun Oil EF II LLC | Producing | 8,184 |
Formation tops
As filed on W-2/G-1. Subsea from 395 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 4,039 | -3,644 |
| WilcoxWILCOX - DISPOSAL | 4,039 | -3,644 |
| Escondido | 4,985 | -4,590 |
| OlmosOLMOS - DISPOSAL | 6,137 | -5,742 |
| Austin Chalk | 7,457 | -7,062 |
| Eagle FordEAGLE FORD - H2S | 8,274 | -7,879 |
| BudaBUDA - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Queen City | — | — |
| Sparta | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,586 | 15,691 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,988 | 13.5 | 1,033 S |
| 5.5 | 15,813 | 8.5 | 2,115 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 15, 2016 | Mar 7, 2016 | — |
| 00 | Jan 22, 2016 | Nov 16, 2015 | 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 42-283-35606 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-35606 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/28335606, documented in the API reference.