TEXAS · WELLS · GLASSCOCK COUNTY · MALLARD 23 (ALLOC) LEASE · API 42-173-37059 · DISTRICT 7B
Mallard 23 (Alloc) #1H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Mallard 23 (Alloc) #1H (API 42-173-37059) is a horizontal well in Glasscock County operated by Crescent Energy Operating LLC, completed August 21, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 9, 2015, permitted to 8,058 ft.
It was permitted by Crownquest Operating, LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Glorieta.
Its lease has reported 255K barrels of oil and 437K mcf of gas since August 2015, last reporting in July 2026.
Operator of record
Permitted by Crownquest Operating, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 28, 2025
- Permits on file
- 54
- Phone
- (713) 337-4600
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 | Crownquest Operating, LLCFeb 9, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,058
- total depth, ft
- 2
- permits on file
- Feb 9, 2015
- last permit issued
- Aug 21, 2015
- completed
- 255K
- cumulative oil, bbl
- 437K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 21, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Mallard 23 (Alloc) O-10-47039 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 1 | 255K | 437K | Aug 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 9,657 · prior 12 10,811(-11%)
Gas, mcf lease total
Last 12 months 42,908 · prior 12 59,836(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Crownquest Operating, LLCAug 2015 → Jan 2017
- 2De Operating LLCFeb 2017 → Apr 2017
- 3Parsley Energy Operations, LLCMay 2017 → Jan 2021
- 4Pioneer Natural Res. USA, Inc.Feb 2021 → Sep 2021
- 5Laredo Petroleum, Inc.Oct 2021 → Jan 2023
- 6Vital Energy, Inc.Feb 2023 → Dec 2025
- 7Crescent Energy Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 800205-98 | Drill | Crownquest Operating, LLC | Feb 23, 2015 | Feb 9, 2015 | Jun 19, 2015 | 8,500 |
| 800205-99 | Drill | Crownquest Operating, LLC | Nov 13, 2014 | Feb 9, 2015 | Jun 19, 2015 | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 21, 2015 | Mallard 23 (Alloc) O-10-47039 | Spraberry (Trend Area) | Crescent Energy Operating LLC | Producing | 8,058 |
Formation tops
As filed on W-2/G-1. Subsea from 2,705 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,938 | 767 |
| Grayburg | 3,166 | -461 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,412 | -707 |
| Glorieta | 4,209 | -1,504 |
| Clear ForkCLEARFORK | 5,286 | -2,581 |
| Spraberry | 6,253 | -3,548 |
| Queen | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,210 | 15,163 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 382 | 17.5 | 500 S |
| 9.625 | 7,465 | 12.25 | 1,100 S |
| 5.5 | 15,220 | 8.5 | 2,200 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 23, 2015 | Nov 10, 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 42-173-37059 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-37059 → 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/17337059, documented in the API reference.