WELL · 42-389-35306 · DISTRICT 8
Frio 221 #10H
Reeves County · Wolfbone (Trend Area) field · Horizontal
Frio 221 #10H (API 42-389-35306) is a plugged horizontal well in Reeves County, plugged November 2, 2022, last operated by Callon Petroleum Operating CO.
The RRC has issued one drilling permit (amended 3 times), issued July 25, 2016, permitted to 12,000 ft.
It was permitted by Primexx Operating Corporation and has since transferred to Callon Petroleum Operating CO on the wellbore schedule.
Completion filings report 8 formation tops, including Delaware, Castile, Bell Canyon, Cherry Canyon.
Its lease has reported 47.2K barrels of oil and 142K mcf of gas since April 2017, last reporting in December 2022.
Operator of record
Permitted by Primexx Operating Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jul 4, 2025 · 1,234 permits on file · (713) 296-6000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Callon Petroleum Operating Co |
| Production reports | Primexx Operating Corporationthrough Apr 2020 |
| Latest permit | Primexx Operating CorporationJul 25, 2016 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 4
- permits on file
- Jul 25, 2016
- last permit issued
- Jun 29, 2018
- completed
- 47.2K
- cumulative oil, bbl
- 142K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2017 THROUGH Dec 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 29, 2018
- Shut in
- —
- Plugged
- Nov 2, 2022
Surface location
31.050812, -103.561879
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Frio 221 O-10-48940 | Wolfbone (Trend Area) | Callon Petroleum Operating Co | 1 | 47.2K | 142K | Apr 2017 – Dec 2022 |
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.
- 1Primexx Operating CorporationJun 2018 → Apr 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 817068-96 | Drill | Primexx Operating Corporation | Jun 16, 2017 | Jul 25, 2016 | Feb 28, 2017 | 12,000 |
| 817068-97 | Drill | Primexx Operating Corporation | May 30, 2017 | Jul 25, 2016 | Feb 28, 2017 | 12,000 |
| 817068-98 | Drill | Primexx Operating Corporation | Nov 18, 2016 | Jul 25, 2016 | Feb 28, 2017 | 12,000 |
| 817068-99 | Drill | Primexx Operating Corporation | Jul 14, 2016 | Jul 25, 2016 | Feb 28, 2017 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-48940 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,898 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| DelawareFORD-DELAWARE | 2,140 | 758 |
| CastileCASTILLE | 2,800 | 98 |
| Bell Canyon | 4,800 | -1,902 |
| Delaware | 5,600 | -2,702 |
| DelawareDELAWARE CONSOLIDATED GAS | 6,500 | -3,602 |
| Cherry Canyon | 7,250 | -4,352 |
| Wolfcamp | 7,984 | -5,086 |
| Bone SpringBONE SPRINGS | 8,900 | -6,002 |
| Permian (undifferentiated)PERMIAN | 11,300 | -8,402 |
| Bell Canyon | — | — |
| Bone SpringBONE SPRINGS | — | — |
| CastileCASTILLE | — | — |
| Cherry Canyon | — | — |
| Delaware | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD-DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,226 | 14,586 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 925 | 26 | 3,029 S |
| 13.375 | 5,028 | 17.5 | 1,528 S |
| 9.625 | 9,795 | 12.25 | 1,047 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 16, 2018 | Aug 27, 2018 | Yes |
| 00 | Nov 3, 2017 | Jul 7, 2017 | 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 42-389-35306 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-35306 → 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.
Rambo State Unit42-389-41367
1.6 KM · Vital Energy, Inc. · Section with this well →
| Bell Canyon | 5,061 | -2,171 |
| Cherry Canyon | 5,833 | -2,943 |
| Bone Spring | 7,570 | -4,680 |
| Bone Spring | 9,135 | -6,245 |
| Wolfcamp | 9,842 | -6,952 |
| Delaware | — | |
| Permian (undifferentiated) | — | |
| Delaware | — |
10 TOPS · FIRST 8
Rambo State Unit42-389-41366
1.6 KM · Vital Energy, Inc. · Section with this well →
| Wolfcamp | 988 | 1,902 |
| Bell Canyon | 5,069 | -2,179 |
| Cherry Canyon | 5,846 | -2,956 |
| Bone Spring | 7,567 | -4,677 |
| Bone Spring | 9,148 | -6,258 |
| Delaware | — | |
| Delaware | — | |
| Castile | — |
10 TOPS · FIRST 8
Rambo State Unit42-389-41365
1.6 KM · Vital Energy, Inc. · Section with this well →
| Bell Canyon | 5,066 | -2,177 |
| Cherry Canyon | 5,844 | -2,955 |
| Bone Spring | 7,566 | -4,677 |
| Wolfcamp | 9,868 | -6,979 |
| Permian (undifferentiated) | — | |
| Pennsylvanian | — | |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
McA State Unit 239-24042-389-39977
1.7 KM · Callon Petroleum Operating Co · Section with this well →
| Castile | 1,838 | |
| Delaware | 5,033 | |
| Bell Canyon | 5,102 | |
| Delaware | 5,102 | |
| Cherry Canyon | 5,863 | |
| Bone Spring | 7,918 | |
| Wolfcamp | 9,890 | |
| Delaware | — |
10 TOPS · FIRST 8
McA State Unit 239-24042-389-39974
1.7 KM · Callon Petroleum Operating Co · Section with this well →
| Castile | 1,828 | |
| Delaware | 5,053 | |
| Bell Canyon | 5,121 | |
| Delaware | 5,121 | |
| Cherry Canyon | 5,887 | |
| Bone Spring | 7,893 | |
| Wolfcamp | 9,892 | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Pedernales 29342-389-36101
1.8 KM · Primexx Operating Corporation · Section with this well →
| Castile | 1,251 | 1,689 |
| Delaware | 5,246 | -2,306 |
| Bell Canyon | 5,246 | -2,306 |
| Delaware | 5,246 | -2,306 |
| Cherry Canyon | 6,016 | -3,076 |
| Bone Spring | 7,880 | -4,940 |
| Wolfcamp | 10,024 | -7,084 |
| Permian (undifferentiated) | 10,024 | -7,084 |
11 TOPS · FIRST 8
Zelda-Link Unit 237-238W42-389-38894
1.9 KM · Primexx Operating Corporation · Section with this well →
| Delaware | 2,498 | 378 |
| Delaware | 2,588 | 288 |
| Castile | 2,774 | 102 |
| Bell Canyon | 4,741 | -1,865 |
| Delaware | 6,459 | -3,583 |
| Cherry Canyon | 6,874 | -3,998 |
| Bone Spring | 7,777 | -4,901 |
| Wolfcamp | 9,840 | -6,964 |
10 TOPS · FIRST 8
McA State Unit 239-24042-389-39978
1.9 KM · Callon Petroleum Operating Co · Section with this well →
| Castile | 1,819 | |
| Delaware | 5,070 | |
| Delaware | 5,139 | |
| Bell Canyon | 5,139 | |
| Cherry Canyon | 5,899 | |
| Bone Spring | 7,919 | |
| Wolfcamp | 9,917 | |
| Delaware | — |
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/38935306, documented in the API reference.