WELL · 42-371-40092 · DISTRICT 8
Old Ironside 0405 #1H
Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Old Ironside 0405 #1H (API 42-371-40092) is a horizontal well in Pecos County operated by Crescent Energy Operating LLC, completed August 29, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 20, 2019, permitted to 10,500 ft.
It was permitted by Crimson Exploration Oper., Inc. and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Toborg, Soma, Rustler, Yates.
Its lease has reported 265K barrels of oil and 286K mcf of gas since November 2019, last reporting in July 2026.
Operator of record
Permitted by Crimson Exploration Oper., Inc.; 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 | Crescent Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Crimson Exploration Oper., Inc.Jun 20, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Jun 20, 2019
- last permit issued
- Aug 29, 2025
- completed
- 265K
- cumulative oil, bbl
- 286K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 29, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.059506, -103.118661
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Pecos 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 |
|---|---|---|---|---|---|---|
| Old Ironside 0405 O-10-53628 | Hoefs T-K (Wolfcamp) | Crescent Energy Operating, LLC | 1 | 265K | 286K | Nov 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 17,760 · prior 12 20,319(-13%)
Gas, mcf lease total
Last 12 months 34,808 · prior 12 31,849(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Contango Resources, Inc.Nov 2019 → Dec 2021
- 2Contango Resources, LLCJan 2022 → Oct 2025
- 3Crescent Energy Operating, LLCNov 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 854319-99 | Drill | Crimson Exploration Oper., Inc. | Jun 18, 2019 | Jun 20, 2019 | Jul 4, 2019 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-53628 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 25 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,522 | 12,284 | Perforated |
| 10,522 | 20,211 | Perforated |
| 12,685 | 14,953 | Perforated |
| 15,353 | 20,007 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,325 | 17.5 | 576 S |
| 7 | 10,235 | 8.75 | 455 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 | Oct 31, 2025 | Oct 6, 2025 | — |
| 00 | May 27, 2020 | Apr 17, 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 42-371-40092 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-40092 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
Hole in the Rock 46-47 F42-371-40136
1.3 KM · Diamondback E&P LLC · Section with this well →
| Montoya | — | |
| Pennsylvanian | — | |
| Bone Spring | — | |
| Bone Spring | — | |
| Queen | — | |
| Grayburg | — | |
| O'Brien | — | |
| Rustler | — |
19 TOPS · FIRST 8
Hole in the Rock 46-47 G42-371-40137
1.4 KM · Diamondback E&P LLC · Section with this well →
| Canyon | 5,979 | -3,145 |
| Bone Spring | 7,895 | -5,061 |
| Glorieta | — | |
| Toborg | — | |
| Strawn | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — |
20 TOPS · FIRST 8
State Ambush 45-44 E42-371-40070
1.4 KM · Diamondback E&P LLC · Section with this well →
| Toborg | — | |
| Tubb | — | |
| Yates | — | |
| Glorieta | — | |
| Capitan | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Soma | — |
12 TOPS · FIRST 8
State Ambush 45-44 D42-371-40069
1.4 KM · Diamondback E&P LLC · Section with this well →
| Delaware | 5,350 | -2,516 |
| Canyon | 6,006 | -3,172 |
| Bone Spring | 7,903 | -5,069 |
| Wolfcamp | — | |
| Atoka | — | |
| Capitan | — | |
| Grayburg | — | |
| Mississippian | — |
20 TOPS · FIRST 8
Hole in the Rock 46-47 E42-371-39989
1.5 KM · Diamondback E&P LLC · Section with this well →
| Grayburg | — | |
| Glorieta | — | |
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — |
10 TOPS · FIRST 8
Hole in the Rock 46-47 D42-371-40089
1.5 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Tubb | — | |
| Toborg | — | |
| Soma | — | |
| Seven Rivers | — | |
| Rustler | — | |
| Queen | — | |
| O'Brien | — |
10 TOPS · FIRST 8
State Ambush 45-44 G42-371-40254
1.6 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Capitan | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| San Andres | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
State Ambush 45-44 F42-371-40253
1.6 KM · Diamondback E&P LLC · Section with this well →
| Cherry Canyon | 5,961 | -3,129 |
| Capitan | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| San Andres | — | |
| Seven Rivers | — |
11 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/37140092, documented in the API reference.