TEXAS · WELLS · REEVES COUNTY · API 42-389-35173 · DISTRICT 7B

Greybull 55-4-11 #1H

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

Greybull 55-4-11 #1H (API 42-389-35173) is a horizontal well in Reeves County operated by Anadarko E&P Onshore LLC, completed November 2, 2016 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 9, 2016, permitted to 10,860 ft.

Completion filings report 8 formation tops, including Permian (undifferentiated), Castile, Delaware, Bell Canyon.

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

Operator of record

Anadarko E&P Onshore LLC

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Oct 22, 2025
Permits on file
4,575
Phone
(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 9, 2016
10,860
total depth, ft
1
permits on file
Mar 9, 2016
last permit issued
Nov 2, 2016
completed
0
cumulative oil, bbl
985K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 2, 2016
Shut in
—
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Greybull 55-4-11 G-10-287406Phantom (Wolfcamp)Anadarko E&P Onshore LLC10985KNov 2016 – Jul 2026
Greybull 55-4-11 O-10-48198Phantom (Wolfcamp)Anadarko E&P Onshore LLC100Nov 2016 – Feb 2020

Gas, mcf lease total

Last 12 months 944 · prior 12 2,876(-67%)

01K2K3K202420252026

Chain of custody

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

  1. 1Anadarko E&P Onshore LLCNov 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
814170-99DrillAnadarko E&P Onshore LLCMar 3, 2016Mar 9, 2016May 30, 201613,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 2, 2016Greybull 55-4-11 G-10-287406Phantom (Wolfcamp)Anadarko E&P Onshore LLCProducing10,860
Nov 2, 2016Greybull 55-4-11 O-10-48198Phantom (Wolfcamp)Anadarko E&P Onshore LLCNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,823 ft elevation.Download CSV →

FormationMD ftSubsea
Permian (undifferentiated)PERMIAN1,4391,384
CastileCASTILLE2,561262
Delaware4,055-1,232
DelawareDELAWARE CONSOLIDATED GAS4,055-1,232
DelawareFORD-DELAWARE4,055-1,232
Bell Canyon4,070-1,247
Cherry Canyon5,119-2,296
Bone SpringBONE SPRINGS7,622-4,799
Wolfcamp10,457-7,634
Pennsylvanian——

Perforations

Perforated and open-hole intervals.

FromToType
11,02615,506Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,09517.52,131 S
9.6254,02112.25760 S
710,8358.75627 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
00Nov 12, 2019Jul 23, 2019Yes
00Feb 6, 2017Jan 26, 2017Yes

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.

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/38935173, documented in the API reference.