WELL · 42-383-40255 · DISTRICT 7
Eaglehead C A4 #36AH
Reagan County · Spraberry (Trend Area) field · Shut IN · Horizontal
Eaglehead C A4 #36AH (API 42-383-40255) is a horizontal well in Reagan County operated by Sem Operating Company LLC, completed September 8, 2018 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 8, 2018, permitted to 8,800 ft.
It was permitted by Callon Petroleum Operating CO and has since transferred to Sem Operating Company LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its lease has reported 640K barrels of oil and 1.76M mcf of gas since September 2018, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Callon Petroleum Operating Co; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 404 permits on file · (877) 447-2289
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sem Operating Company LLC |
| Production reports | Sem Operating Company LLCthrough Apr 2026 |
| Latest permit | Callon Petroleum Operating CoMay 8, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,800
- total depth, ft
- 2
- permits on file
- May 8, 2018
- last permit issued
- Sep 8, 2018
- completed
- 640K
- cumulative oil, bbl
- 1.76M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 8, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.377527, -101.731054
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reagan 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Eaglehead 'C' A4 O-9-20170 | Spraberry (Trend Area) | Sem Operating Company LLC | 2 | 640K | 1.76M | Sep 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 38,192 · prior 12 43,567(-12%)
Gas, mcf lease total
Last 12 months 210,639 · prior 12 163,638(+29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Callon Petroleum Operating CoSep 2018 → May 2019
- 2Sem Operating Company LLCJun 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 839413-98 | Drill | Callon Petroleum Operating Co | May 22, 2018 | May 8, 2018 | May 17, 2018 | 8,800 |
| 839413-99 | Drill | Callon Petroleum Operating Co | Apr 30, 2018 | May 8, 2018 | May 17, 2018 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-20170 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Yates | 2,080 |
| Seven Rivers | 2,315 |
| Queen | 2,980 |
| Grayburg | 3,445 |
| San AndresSAN ANDRES - SALTWATER FLOW, POS | 3,595 |
| GlorietaGLORIETTA | 4,125 |
| Clear ForkCLEARFORK | 5,685 |
| Spraberry | 6,510 |
| Dean | 7,905 |
| Wolfcamp | 8,085 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,832 | 16,109 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 505 | 17.5 | 525 S |
| 9.625 | 7,843 | 12.25 | 1,145 S |
| 7 | 8,932 | 8.75 | 2,420 S |
| 5.5 | 16,239 | 8.5 | 2,420 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 | Mar 25, 2019 | Jan 21, 2019 | 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 42-383-40255 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-40255 → 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.
Eaglehead 'C' A442-383-40254
0.0 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,080 | |
| Seven Rivers | 2,315 | |
| Queen | 2,980 | |
| Grayburg | 3,445 | |
| San Andres | 3,595 | |
| Glorieta | 4,125 | |
| Clear Fork | 5,685 | |
| Spraberry | 6,510 |
10 TOPS · FIRST 8
Eaglehead A-A342-383-40054
0.6 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,100 | |
| Seven Rivers | 2,335 | |
| Queen | 3,010 | |
| Grayburg | 3,485 | |
| San Andres | 3,620 | |
| Glorieta | 4,150 | |
| Clear Fork | 5,720 | |
| Spraberry | 6,525 |
13 TOPS · FIRST 8
Eaglehead A-A142-383-39815
0.8 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,105 | |
| Seven Rivers | 2,340 | |
| Queen | 3,025 | |
| Grayburg | 3,510 | |
| San Andres | 3,630 | |
| Glorieta | 4,160 | |
| Clear Fork | 5,730 | |
| Spraberry | 6,545 |
13 TOPS · FIRST 8
Eaglehead A-A242-383-39816
0.8 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,105 | |
| Seven Rivers | 2,340 | |
| Queen | 3,025 | |
| Grayburg | 3,510 | |
| San Andres | 3,630 | |
| Glorieta | 4,160 | |
| Clear Fork | 5,730 | |
| Spraberry | 6,545 |
11 TOPS · FIRST 8
Eaglehead 'C' A142-383-39888
1.1 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,045 | |
| Seven Rivers | 2,280 | |
| Queen | 2,920 | |
| Grayburg | 3,360 | |
| San Andres | 3,545 | |
| Glorieta | 4,070 | |
| Clear Fork | 5,645 | |
| Spraberry | 6,480 |
10 TOPS · FIRST 8
Eaglehead 'C' A242-383-39890
1.1 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,045 | |
| Seven Rivers | 2,280 | |
| Queen | 2,920 | |
| Grayburg | 3,360 | |
| San Andres | 3,545 | |
| Glorieta | 4,070 | |
| Clear Fork | 5,645 | |
| Spraberry | 6,480 |
13 TOPS · FIRST 8
Eaglehead C A342-383-39895
1.2 KM · Callon Petroleum Operating Co · Section with this well →
| Yates | 2,045 | |
| Seven Rivers | 2,280 | |
| Queen | 2,920 | |
| Grayburg | 3,360 | |
| San Andres | 3,545 | |
| Clear Fork | 5,645 | |
| Spraberry | 6,480 | |
| Dean | 7,875 |
12 TOPS · FIRST 8
West Hartgrove Unit 142-383-41015
1.3 KM · Earthstone Operating, LLC · Section with this well →
| Queen | 2,898 | -247 |
| Grayburg | 3,340 | -689 |
| San Andres | 3,562 | -911 |
| Clear Fork | 5,582 | -2,931 |
| Spraberry | 6,482 | -3,831 |
| Wolfcamp | 8,057 | -5,406 |
| Ellenburger | — | |
| Fusselman | — |
9 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/38340255, documented in the API reference.