← Wells

42-389-36721

PRODUCING Horizontal

STATE MAYFLY UNIT

REEVES County · District 8 · EOG RESOURCES INC. · PHANTOM (WOLFCAMP)

Permits

2

Max Depth

14,000 ft

First Permit

2018-01-12

Latest Activity

2018-01-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-11-25

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2018-10

Last Production

2026-07

Lease Production

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

Gas
production & DCA →

Formation Tops (10) Elevation 2,864 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CASTILLE (Castile)2,524 ft+340 ft
BELL CANYON 4,012 ft-1,148 ft
DELAWARE 4,012 ft-1,148 ft
FORD-DELAWARE (Delaware)4,012 ft-1,148 ft
CHERRY CANYON 4,842 ft-1,978 ft
BONE SPRINGS (Bone Spring)7,246 ft-4,382 ft
WOLFCAMP 9,918 ft-7,054 ft
DELAWARE CONSOLIDATED GAS (Delaware)——
PENNSYLVANIAN ——
PERMIAN (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
✓ 42-389-37151 STATE MAYFLY UNIT · EOG RESOURCES, INC.
0.0 mi
Delaware 4,075'Cherry Canyon 5,000'Bone Spring 7,315'Wolfcamp 9,957'Permian (undifferentiated) —Ellenburger —Fusselman —Mississippian —Devonian —Delaware —
✓ 42-389-36722 STATE MAYFLY UNIT · EOG RESOURCES, INC.
0.0 mi
Castile 2,524'Delaware 4,050'Bell Canyon 4,050'Delaware 4,050'Cherry Canyon 4,841'Bone Spring 7,250'Wolfcamp 9,940'Delaware —Permian (undifferentiated) —Pennsylvanian —
✓ 42-389-37841 STATE MAYFLY UNIT · EOG RESOURCES, INC.
0.0 mi
Castile 3,880'Bell Canyon 4,079'Delaware 4,079'Delaware 4,079'Cherry Canyon 5,004'Bone Spring 7,319'Wolfcamp 9,960'Pennsylvanian —Delaware —Permian (undifferentiated) —
✓ 42-389-40197 STATE EINHORN UNIT · EOG RESOURCES, INC.
0.2 mi
Castile 3,878'Delaware 4,030'Delaware 4,030'Bell Canyon 4,030'Cherry Canyon 4,966'Bone Spring 7,269'Wolfcamp 9,942'Pennsylvanian —Delaware —Permian (undifferentiated) —
✓ 42-389-40191 STATE EINHORN UNIT · EOG RESOURCES, INC.
0.2 mi
Castile 3,877'Delaware 4,029'Delaware 4,029'Bell Canyon 4,029'Cherry Canyon 4,965'Bone Spring 7,268'Wolfcamp 9,941'Permian (undifferentiated) —Delaware —Pennsylvanian —
✓ 42-389-40193 STATE EINHORN UNIT · EOG RESOURCES, INC.
0.2 mi
Castile 2,341'Delaware 4,030'Bell Canyon 4,030'Delaware 4,030'Cherry Canyon 4,966'Bone Spring 7,267'Wolfcamp 9,940'Permian (undifferentiated) —Pennsylvanian —Delaware —
✓ 42-389-40196 STATE EINHORN UNIT · EOG RESOURCES, INC.
0.2 mi
Castile 3,873'Bell Canyon 4,027'Delaware 4,027'Delaware 4,027'Cherry Canyon 4,956'Bone Spring 7,271'Wolfcamp 9,939'Delaware —Permian (undifferentiated) —Pennsylvanian —
✓ 42-389-40190 STATE EINHORN UNIT · EOG RESOURCES, INC.
0.4 mi
Castile 2,319'Delaware 4,011'Bell Canyon 4,011'Delaware 4,011'Cherry Canyon 4,940'Bone Spring 7,255'Wolfcamp 9,919'Pennsylvanian —Permian (undifferentiated) —Delaware —

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
10,284–20,459 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"2,221 ft930 sx
7.625"9,502 ft920 sx
5.5"20,563 ft1,005 sx

Permit History (2)

#834911 Drill

STATE MAYFLY UNIT · 14,000 ft

2018-01-12

Spud 2018-06-15

#834911 Drill Final Completion

STATE MAYFLY UNIT · 14,000 ft

2018-01-12

Spud 2018-06-14

Applications (2)

#834911 A EOG RESOURCES, INC.
received 2018-06-01
#834911 A EOG RESOURCES, INC.
received 2018-01-08

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2019-12-26 log on file
W-2/G-1 2019-04-01 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.

Google Maps → Explorer Map →
Lat 31.489413
Lon -103.703998

Well Details

Well Number
4H
Max Depth
14,000 ft
Drill Type
Horizontal
County
REEVES
District
8
Operator
EOG RESOURCES INC.
Completed
2019-11-25

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-10-02)
Cum Oil (all leases)
1,173,982,199 bbl
Cum Gas (all leases)
7,415,222,256 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
16,253