WELL · 42-389-40265 · DISTRICT 8
Flounder 136-135 Unit W #21H
Reeves County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Flounder 136-135 Unit W #21H (API 42-389-40265) is a horizontal well in Reeves County operated by Crescent Energy Operating LLC, completed April 7, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 13, 2022, permitted to 16,000 ft.
It was permitted by Tall City Operations Iii LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Castile, Delaware, Bell Canyon, Cherry Canyon.
Its lease has reported 538K barrels of oil and 1.65M mcf of gas since April 2020, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tall City Operations III LLC; 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 | Tall City Operations III LLCOct 13, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,000
- total depth, ft
- 2
- permits on file
- Oct 13, 2022
- last permit issued
- Apr 7, 2023
- completed
- 538K
- cumulative oil, bbl
- 1.65M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 7, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.119648, -103.624457
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reeves 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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Flounder 136-135 Unit W O-10-54629 | Hoefs T-K (Wolfcamp) | Crescent Energy Operating, LLC | 4 | 538K | 1.65M | Apr 2020 – Jul 2026 |
Oil, barrels lease total
Last 12 months 59,488 · prior 12 78,809(-25%)
Gas, mcf lease total
Last 12 months 293,025 · prior 12 300,639(-3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tall City Operations III LLCApr 2021 → Jun 2023
- 2Vital Energy, Inc.Jul 2023 → Dec 2025
- 3Crescent Energy Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 884859-98 | Drill | Tall City Operations III LLC | Mar 16, 2023 | Oct 13, 2022 | — | 16,000 |
| 884859-99 | Drill | Tall City Operations III LLC | Oct 12, 2022 | Oct 13, 2022 | Oct 26, 2022 | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-54629 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CastileCASTILLE | 2,347 | 498 |
| Delaware | 4,894 | -2,049 |
| Bell Canyon | 4,961 | -2,116 |
| Cherry Canyon | 5,780 | -2,935 |
| Bone Spring | 7,694 | -4,849 |
| Wolfcamp | 9,853 | -7,008 |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD / DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN (UNDEFINED) | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,952 | 18,155 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,190 | 17.5 | 1,900 S |
| 8.625 | 9,977 | 11 | 1,450 S |
| 5.5 | 18,244 | 7.875 | 2,145 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 | Aug 16, 2023 | Jun 13, 2023 | 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 42-389-40265 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-40265 → 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.
Flounder 136-135 Unit W42-389-40264
0.0 KM · Tall City Operations III LLC · Section with this well →
| Castile | 2,347 | 499 |
| Delaware | 4,882 | -2,036 |
| Bell Canyon | 4,946 | -2,100 |
| Cherry Canyon | 5,761 | -2,915 |
| Bone Spring | 7,669 | -4,823 |
| Wolfcamp | 9,848 | -7,002 |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Flounder 136-135 Unit W42-389-40263
0.0 KM · Tall City Operations III LLC · Section with this well →
| Cherry Canyon | — | |
| Wolfcamp | — | |
| Delaware | — | |
| Delaware | — | |
| Bell Canyon | — | |
| Bone Spring | — | |
| Castile | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
Flounder 136-135 Unit W42-389-39031
0.2 KM · Tall City Operations III LLC · Section with this well →
| Delaware | 4,888 | -2,045 |
| Bell Canyon | 4,939 | -2,096 |
| Cherry Canyon | 5,778 | -2,935 |
| Bone Spring | 7,675 | -4,832 |
| Wolfcamp | 9,850 | -7,007 |
| Castile | — | |
| Permian (undifferentiated) | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Red 137W42-389-37185
0.4 KM · Primexx Operating Corporation · Section with this well →
| Delaware | 2,500 | 343 |
| Castile | 2,800 | 43 |
| Bell Canyon | 4,896 | -2,053 |
| Delaware | 5,700 | -2,857 |
| Cherry Canyon | 5,714 | -2,871 |
| Delaware | 6,500 | -3,657 |
| Bone Spring | 7,500 | -4,657 |
| Wolfcamp | 10,322 | -7,479 |
11 TOPS · FIRST 8
Poseidon SWD42-389-36901
0.7 KM · Primexx Operating Corporation · Section with this well →
| Castile | 1,809 | 1,026 |
| Cherry Canyon | 3,800 | -965 |
| Bell Canyon | 4,994 | -2,159 |
| Delaware | 4,994 | -2,159 |
| Permian (undifferentiated) | — | |
| Bone Spring | — | |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Meeker 10942-389-35303
0.8 KM · Primexx Operating Corporation · Section with this well →
| Castile | 2,388 | 456 |
| Delaware | 2,500 | 344 |
| Cherry Canyon | 3,800 | -956 |
| Bell Canyon | 4,800 | -1,956 |
| Delaware | 4,886 | -2,042 |
| Delaware | 6,500 | -3,656 |
| Bone Spring | 7,946 | -5,102 |
| Wolfcamp | 9,826 | -6,982 |
10 TOPS · FIRST 8
Meeker-Canadian 108-109E42-389-38733
1.5 KM · Primexx Operating Corporation · Section with this well →
| Delaware | 2,500 | 364 |
| Castile | 2,800 | 64 |
| Bell Canyon | 4,800 | -1,936 |
| Delaware | 5,700 | -2,836 |
| Cherry Canyon | 5,729 | -2,865 |
| Delaware | 6,500 | -3,636 |
| Bone Spring | 7,500 | -4,636 |
| Wolfcamp | 9,803 | -6,939 |
10 TOPS · FIRST 8
Babs 110-111 Unit E42-389-38853
1.6 KM · Tall City Operations III LLC · Section with this well →
| Bell Canyon | 4,876 | -2,010 |
| Cherry Canyon | 5,704 | -2,838 |
| Bone Spring | 7,652 | -4,786 |
| Wolfcamp | 9,778 | -6,912 |
| Delaware | — | |
| Castile | — | |
| Permian (undifferentiated) | — | |
| Pennsylvanian | — |
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/38940265, documented in the API reference.