WELL · 42-283-36545 · DISTRICT 1
ZC-Irvin A #1H
LA Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
ZC-Irvin A #1H (API 42-283-36545) is a horizontal well in La Salle County operated by Crescent Energy Operating LLC, completed January 3, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued November 5, 2018, permitted to 8,591 ft.
It was permitted by Cheyenne Petroleum Company and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Sparta, Queen City, Wilcox, Escondido.
Its lease has reported 171K barrels of oil and 158K mcf of gas since March 2020, last reporting in July 2026.
Operator of record
Permitted by Cheyenne Petroleum Company; 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 | Cheyenne Petroleum CompanyDec 31, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,591
- total depth, ft
- 3
- permits on file
- Dec 31, 2018
- last permit issued
- Jan 3, 2023
- completed
- 171K
- cumulative oil, bbl
- 158K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 3, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.613290, -98.883522
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in LA Salle 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 |
|---|---|---|---|---|---|---|
| ZC-Irvin A O-1-20304 | Eagleville (Eagle Ford-1) | Crescent Energy Operating, LLC | 1 | 171K | 158K | Mar 2020 – Jul 2026 |
Oil, barrels lease total
Last 12 months 21,168 · prior 12 36,286(-42%)
Gas, mcf lease total
Last 12 months 17,779 · prior 12 38,331(-54%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cheyenne Petroleum CompanyJan 2023 → Apr 2024
- 2Silverbow Resources Oper, LLCMay 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 846446-97 | Drill | Cheyenne Petroleum Company | Mar 10, 2023 | Dec 31, 2018 | Feb 17, 2020 | 8,591 |
| 846446-98 | Drill | Cheyenne Petroleum Company | Jan 8, 2020 | Dec 31, 2018 | Feb 26, 2020 | 8,400 |
| 846446-99 | Drill | Cheyenne Petroleum Company | Nov 2, 2018 | Nov 5, 2018 | Feb 17, 2020 | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-20304 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 486 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sparta | 559 | -73 |
| Queen City | 916 | -430 |
| WilcoxWILCOX - DISPOSAL | 3,916 | -3,430 |
| Escondido | 5,495 | -5,009 |
| OlmosOLMOS - DISPOSAL | 6,458 | -5,972 |
| Austin Chalk | 8,183 | -7,697 |
| Eagle FordEAGLE FORD - H2S | 8,478 | -7,992 |
| BudaBUDA - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,846 | 13,438 | Perforated |
| 15,326 | 19,702 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,504 | 12.25 | 769 S |
| 5.5 | 19,903 | 8.75 | 2,263 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 | Mar 30, 2023 | Feb 15, 2023 | Yes |
| 00 | Oct 5, 2020 | Aug 26, 2020 | 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 42-283-36545 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-36545 → 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.
ZC Unit A42-283-36544
0.0 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 565 | -79 |
| Queen City | 918 | -432 |
| Wilcox | 3,929 | -3,443 |
| Escondido | 5,462 | -4,976 |
| Olmos | 6,463 | -5,977 |
| Austin Chalk | 8,184 | -7,698 |
| Eagle Ford | 8,478 | -7,992 |
| Edwards | — |
10 TOPS · FIRST 8
Flick Unit A42-283-35908
1.6 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 593 | -134 |
| Queen City | 1,000 | -541 |
| Wilcox | 4,057 | -3,598 |
| Escondido | 5,313 | -4,854 |
| Olmos | 6,485 | -6,026 |
| Austin Chalk | 8,129 | -7,670 |
| Eagle Ford | 8,464 | -8,005 |
| Edwards | — |
10 TOPS · FIRST 8
Flick Unit A42-283-35907
1.7 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 568 | -137 |
| Queen City | 937 | -506 |
| Wilcox | 4,045 | -3,614 |
| Escondido | 5,300 | -4,869 |
| Olmos | 6,421 | -5,990 |
| Austin Chalk | 8,137 | -7,706 |
| Eagle Ford | 8,465 | -8,034 |
| Edwards | — |
10 TOPS · FIRST 8
Flick Unit A42-283-35894
1.7 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 569 | -138 |
| Queen City | 914 | -483 |
| Wilcox | 4,040 | -3,609 |
| Escondido | 5,307 | -4,876 |
| Olmos | 6,416 | -5,985 |
| Austin Chalk | 8,142 | -7,711 |
| Eagle Ford | 8,464 | -8,033 |
| Buda | — |
10 TOPS · FIRST 8
Flick Unit A42-283-35890
1.7 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 562 | -131 |
| Queen City | 910 | -479 |
| Wilcox | 4,066 | -3,635 |
| Escondido | 5,307 | -4,876 |
| Olmos | 6,400 | -5,969 |
| Austin Chalk | 8,145 | -7,714 |
| Eagle Ford | 8,467 | -8,036 |
| Buda | — |
10 TOPS · FIRST 8
ZCW Unit C42-283-36366
1.8 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 780 | -310 |
| Queen City | 1,116 | -646 |
| Wilcox | 4,150 | -3,680 |
| Escondido | 5,429 | -4,959 |
| Olmos | 6,303 | -5,833 |
| Austin Chalk | 8,016 | -7,546 |
| Eagle Ford | 8,319 | -7,849 |
| Yegua | — |
10 TOPS · FIRST 8
Cromwell42-283-36367
1.8 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 416 | 54 |
| Queen City | 786 | -316 |
| Wilcox | 4,184 | -3,714 |
| Escondido | 5,356 | -4,886 |
| Olmos | 6,322 | -5,852 |
| Austin Chalk | 8,019 | -7,549 |
| Eagle Ford | 8,321 | -7,851 |
| Edwards | — |
10 TOPS · FIRST 8
Cromwell42-283-36441
1.8 KM · Cheyenne Petroleum Company · Section with this well →
| Sparta | 424 | 45 |
| Queen City | 792 | -323 |
| Wilcox | 4,201 | -3,732 |
| Escondido | 5,397 | -4,928 |
| Olmos | 6,316 | -5,847 |
| Austin Chalk | 8,027 | -7,558 |
| Eagle Ford | 8,321 | -7,852 |
| Yegua | — |
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/28336545, documented in the API reference.