TEXAS · WELLS · MCMULLEN COUNTY · STS NORTH UNIT 21 LEASE · API 42-311-35940 · DISTRICT 01
STS North Unit 21 #1H
McMullen County · Eagleville (Eagle Ford-1) field · Shut In · Horizontal
Sts North Unit 21 #1H (API 42-311-35940) is a horizontal well in Mcmullen County operated by Crescent Energy Operating LLC, completed February 11, 2015 and listed as shut in on the RRC schedule, shut in April 1, 2022.
The RRC has issued one drilling permit, issued April 10, 2014, permitted to 10,615 ft.
It was permitted by Hunt Oil Company and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Catahoula, Frio, Yegua, Wilcox.
Its lease has reported 131K barrels of oil and 321K mcf of gas since September 2014, with no volume in the three years through April 2026.
Operator of record
Permitted by Hunt Oil Company; 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 Sep 2021 |
| Latest permit | Hunt Oil CompanyApr 10, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,615
- total depth, ft
- 1
- permits on file
- Apr 10, 2014
- last permit issued
- Feb 11, 2015
- completed
- 131K
- cumulative oil, bbl
- 321K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2015 THROUGH Sep 2021
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 11, 2015
- Shut in
- Apr 1, 2022
- 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 |
|---|---|---|---|---|---|---|
| STS North Unit 21 O-1-18285 | Eagleville (Eagle Ford-1) | Crescent Energy Operating, LLC | 1 | 131K | 321K | Sep 2014 – Sep 2021 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hunt Oil CompanyJan 2015 → May 2018
- 2Castlerock Operating, LLCJun 2018 → Dec 2020
- 3Murphy Expl. & Prod. Co. - USAMay 2019 → Dec 2019
- 4Teal Operating, LLCJan 2021 → Sep 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 780682-99 | Drill | Hunt Oil Company | Feb 26, 2014 | Apr 10, 2014 | Jan 12, 2015 | 18,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 11, 2015 | STS North Unit 21 O-1-18285 | Eagleville (Eagle Ford-1) | Crescent Energy Operating LLC | Shut In · shut in Apr 1, 2022 | 10,615 |
Formation tops
As filed on W-2/G-1. Subsea from 410 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA - DISPOSAL | 1,800 | -1,390 |
| FrioFRIO - DISPOSAL | 3,000 | -2,590 |
| YeguaYEGUA - DISPOSAL | 4,000 | -3,590 |
| WilcoxWILCOX - DISPOSAL | 6,500 | -6,090 |
| Navarro | 7,287 | -6,877 |
| Escondido | 7,700 | -7,290 |
| Olmos | 8,287 | -7,877 |
| Anacacho | 9,669 | -9,259 |
| Austin Chalk | 9,980 | -9,570 |
| Eagle FordEAGLE FORD - H2S | 10,515 | -10,105 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,863 | 18,134 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,754 | 12 | 1,410 S |
| 9.625 | 4,775 | 12.25 | 1,410 S |
| 5.5 | 18,210 | 8.5 | 2,105 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 | Aug 11, 2015 | Mar 27, 2015 | Yes |
| 00 | Jun 15, 2015 | Jan 21, 2015 | Yes |
Well logs
2 logs loaded from the RRC's log index, the latest received Jan 24, 2018. Gamma ray. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| Gamma RaySpans Yegua, Wilcox, Navarro, Escondido, Olmos, Anacacho, Austin Chalk, Eagle Ford | 2 TIFF | 4,780 to 18,150 | Jan 24, 2018 | 4.25 + 7.88 |
| Gamma RaySpans Yegua, Wilcox, Navarro, Escondido, Olmos, Anacacho, Austin Chalk, Eagle Ford | 2 TIFF | 4,780 to 18,210 | Sep 7, 2017 | 13.2 + 4.25 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-311-35940 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-35940 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/31135940, documented in the API reference.