WELL · 42-461-39441 · DISTRICT 7
Robbins 21 #1H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Robbins 21 #1H (API 42-461-39441) is a horizontal well in Upton County operated by Crescent Energy Operating LLC, completed September 25, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 28, 2014, permitted to 8,810 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 69.8K barrels of oil and 551K mcf of gas since September 2014, last reporting in July 2026.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; 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 | Pioneer Natural Res. USA, Inc.May 28, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,810
- total depth, ft
- 1
- permits on file
- May 28, 2014
- last permit issued
- Sep 25, 2014
- completed
- 69.8K
- cumulative oil, bbl
- 551K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 25, 2014
- 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 |
|---|---|---|---|---|---|---|
| Robbins 21 O-9-18648 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 1 | 69.8K | 551K | Sep 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,748 · prior 12 2,866(-4%)
Gas, mcf lease total
Last 12 months 6,136 · prior 12 11,088(-45%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Oct 2014 → May 2020
- 2Driftwood Energy Operating, LLCJun 2020 → Jun 2020
- 3Henry Resources LLCAug 2020 → Jul 2023
- 4Vital Energy, Inc.Aug 2023 → Dec 2025
- 5Crescent Energy Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 784578-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 14, 2014 | May 28, 2014 | Jul 23, 2014 | 8,810 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-18648 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,559 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,174 | 385 |
| Grayburg | 3,972 | -1,413 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,085 | -1,526 |
| Spraberry | 6,442 | -3,883 |
| Wolfcamp | 7,765 | -5,206 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,789 | 13,531 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 629 | 17.5 | 570 S |
| 9.625 | 7,663 | 12.25 | 775 S |
| 5.5 | 13,746 | 8.5 | 1,542 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 12, 2014 | Nov 3, 2014 | 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 42-461-39441 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-39441 → 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.
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/46139441, documented in the API reference.