WELL · 42-389-40477 · DISTRICT 8

Great Dane State 55-4-23-20 C #12H

Y

Reeves County · Phantom (Wolfcamp) field · Producing  · Horizontal

Great Dane State 55-4-23-20 C #12H (API 42-389-40477) is a horizontal well in Reeves County operated by Anadarko E&P Onshore LLC, completed October 18, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 27, 2023, permitted to 13,000 ft.

Completion filings report 6 formation tops, including Castile, Bell Canyon, Delaware, Cherry Canyon.

No lease production has been reported under this well’s leases.

Operator of record

Anadarko E&P Onshore LLC

Houston, TX · P-5 Y, filed Sep 4, 2025 · 4,573 permits on file · (713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAnadarko E&P Onshore LLC
Production reportsAnadarko E&P Onshore LLCthrough Apr 2026
Latest permitAnadarko E&P Onshore LLCMar 27, 2023
13,000
total depth, ft
1
permits on file
Mar 27, 2023
last permit issued
Oct 18, 2023
completed
0
cumulative oil, bbl
1.47M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 18, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.579553, -103.734507

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Great Dane State 55-4-23-20 C G-10-296968Phantom (Wolfcamp)Anadarko E&P Onshore LLC101.47MOct 2023 – Jul 2026

Gas, mcf lease total

Last 12 months 415,534 · prior 12 580,632(-28%)

050K100K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Anadarko E&P Onshore LLCOct 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
888207-99DrillAnadarko E&P Onshore LLCFeb 14, 2023Mar 27, 2023May 8, 202313,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-296968————

Formation tops

As filed on W-2/G-1. Subsea from 2,898 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE2,656242
Bell Canyon3,993-1,095
Delaware3,993-1,095
DelawareDELAWARE CONSOLIDATED GAS4,038-1,140
DelawareFORD / DELAWARE4,113-1,215
Cherry Canyon4,985-2,087
Bone Spring7,561-4,663
Bone SpringBONE SPRING 28,758-5,860
Bone SpringBONE SPRING 39,535-6,637
Permian (undifferentiated)PERMIAN (UNDEFINED)——

Perforations

Perforated and open-hole intervals.

FromToType
10,91920,895Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,11517.52,145 S
9.62510,09512.252,090 S
711,7778.52,145 S
5.521,0128.52,145 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00May 30, 2024Jan 31, 2024Yes

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.

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.

Open the cross-section →

Great Dane State 55-4-23-20 A42-389-40476

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Castile2,656242
Bell Canyon3,988-1,090
Delaware3,988-1,090
Delaware4,033-1,135
Delaware4,108-1,210
Cherry Canyon4,980-2,082
Bone Spring7,540-4,642
Bone Spring8,742-5,844

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 A42-389-40493

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Castile2,656242
Bell Canyon3,980-1,082
Delaware3,980-1,082
Delaware4,025-1,127
Delaware4,100-1,202
Cherry Canyon4,975-2,077
Bone Spring7,537-4,639
Bone Spring8,736-5,838

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 C42-389-40496

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon3,994-1,096
Delaware4,017-1,119
Delaware4,022-1,124
Delaware4,032-1,134
Cherry Canyon4,997-2,099
Bone Spring7,568-4,670
Bone Spring8,754-5,856
Bone Spring9,541-6,643

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 F42-389-40495

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,002-1,103
Delaware4,021-1,122
Delaware4,029-1,130
Delaware4,039-1,140
Cherry Canyon4,990-2,091
Bone Spring7,558-4,659
Bone Spring8,749-5,850
Bone Spring9,540-6,641

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 B42-389-40494

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon3,991-1,092
Delaware4,012-1,113
Delaware4,024-1,125
Delaware4,032-1,133
Cherry Canyon4,988-2,089
Bone Spring7,558-4,659
Bone Spring8,751-5,852
Bone Spring9,541-6,642

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 H42-389-41153

0.7 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon3,984-1,089
Delaware4,006-1,111
Delaware4,011-1,116
Delaware4,025-1,130
Cherry Canyon4,996-2,101
Bone Spring7,564-4,669
Bone Spring8,748-5,853
Bone Spring9,529-6,634

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 I42-389-41154

0.7 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon3,983-1,088
Delaware4,006-1,111
Delaware4,012-1,117
Delaware4,025-1,130
Cherry Canyon4,992-2,097
Bone Spring7,563-4,668
Bone Spring8,751-5,856
Bone Spring9,536-6,641

10 TOPS · FIRST 8

Greyhound State 55-4-32-35 D42-389-40497

0.7 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon3,984-1,089
Delaware4,007-1,112
Delaware4,014-1,119
Delaware4,026-1,131
Cherry Canyon4,992-2,097
Bone Spring7,568-4,673
Bone Spring8,757-5,862
Bone Spring9,538-6,643

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/38940477, documented in the API reference.