42-389-41388

PRODUCING Horizontal

GRENDEL STATE 57-2-13-24 B

REEVES County · District 8 · ANADARKO E&P ONSHORE LLC · PHANTOM (WOLFCAMP)

Permits

1

Max Depth

13,000 ft

First Permit

2024-09-18

Latest Activity

2024-09-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-05-02

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-05

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,862 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BELL CANYON 3,000 ft-138 ft
DELAWARE 3,000 ft-138 ft
DELAWARE CONSOLIDATED GAS (Delaware)3,028 ft-166 ft
FORD / DELAWARE (Delaware)3,139 ft-277 ft
CHERRY CANYON 3,921 ft-1,059 ft
BONE SPRING 7,613 ft-4,751 ft
BONE SPRING 2 (Bone Spring)7,954 ft-5,092 ft
BONE SPRING 3 (Bone Spring)8,797 ft-5,935 ft
CASTILLE (Castile)
PERMIAN (UNDEFINED) (Permian (undifferentiated))

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-389-41387 GRENDEL STATE 57-2-13-24 C · ANADARKO E&P ONSHORE LLC
0.0 mi
Delaware 2,973'Bell Canyon 2,973'Delaware 3,001'Delaware 3,142'Cherry Canyon 3,936'Bone Spring 7,658'Bone Spring 7,948'Bone Spring 8,228'Castile Permian (undifferentiated)
42-389-41386 GRENDEL STATE 57-2-13-24 A · ANADARKO E&P ONSHORE LLC
0.0 mi
Bell Canyon 2,972'Delaware 2,972'Delaware 2,997'Delaware 3,142'Cherry Canyon 3,903'Bone Spring 7,543'Bone Spring 7,952'Bone Spring 8,791'Permian (undifferentiated) Castile
42-389-37934 HURLEY 56-18 · XTO ENERGY INC.
0.4 mi
Castile 80'Castile 2,789'Delaware 2,997'Bell Canyon 2,997'Cherry Canyon 3,922'Bone Spring 6,705'BONESPRING1 7,635'Bone Spring 7,635'Bone Spring 8,223'BONESPRING3 8,840'Bone Spring 8,840'TARGET TOP +9 more
42-389-37935 HURLEY 56-18 · XTO ENERGY INC.
0.4 mi
Castile 2,799'Delaware 2,996'Bell Canyon 2,996'Cherry Canyon 3,928'Bone Spring 6,705'BONESPRING1 7,629'Bone Spring 7,629'BONESPRING2 8,239'Bone Spring 8,239'Bone Spring 8,865'BONESPRING3 8,865'Permian (undifferentiated) +7 more
42-389-36931 HURLEY 56-18 · XTO ENERGY INC.
0.5 mi
Delaware 2,995'Cherry Canyon 3,929'Delaware 3,929'Bone Spring 6,709'Cherry Canyon 6,709'Wolfcamp 9,796'Bone Spring 9,796'Wolfcamp Bell Canyon Pennsylvanian Castile Permian (undifferentiated) +2 more
42-389-36929 HURLEY 56-18 · XTO ENERGY INC.
0.5 mi
Castile 2,791'Delaware 2,974'Bell Canyon 2,974'Delaware 2,981'Cherry Canyon 3,835'Cherry Canyon 3,910'Bone Spring 6,655'Bone Spring 6,689'Wolfcamp 9,787'Permian (undifferentiated) Pennsylvanian Castile +3 more
42-389-36930 HURLEY 56-18 · XTO ENERGY INC.
0.5 mi
Delaware 3,008'Cherry Canyon 3,926'Bone Spring 6,674'Pennsylvanian Bell Canyon Mississippian Castile Permian (undifferentiated) Delaware Delaware Wolfcamp
42-389-36934 HURLEY 56-18 · XTO ENERGY INC.
0.5 mi
Delaware 2,970'Cherry Canyon 3,920'Bone Spring 6,612'Permian (undifferentiated) 9,778'Wolfcamp 9,778'Delaware Bell Canyon Wolfcamp Pennsylvanian Castile Delaware Permian (undifferentiated)

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
10,351–20,495 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"2,000 ft1,455 sx
7.625"10,310 ft2,795 sx
5.5"20,602 ft790 sx

Permit History (1)

Applications (1)

#902705 A ANADARKO E&P ONSHORE LLC
received 2024-09-16

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2025-10-29 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 31.852842
Lon -103.912181

Well Details

Well Number
21H
Max Depth
13,000 ft
Drill Type
Horizontal
County
REEVES
District
8
Completed
2025-05-02

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-10-22)
Cum Oil (all leases)
387,142,235 bbl
Cum Gas (all leases)
2,848,451,983 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,518