42-227-39777

PRODUCING

CHALK G. O.

HOWARD County · District 8 · GRAYROCK ENERGY II LLC · HOWARD GLASSCOCK (CONSOLIDATED)

Permits

1

Max Depth

4,300 ft

First Permit

2018-09-17

Latest Activity

2018-09-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-05-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: ROVER PETROLEUM OPERATING, LLC

Resolved via: productionGRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-12

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 2,455 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,256 ft+1,199 ft
SEVEN RIVERS 1,340 ft+1,115 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)2,108 ft+347 ft
GLORIETA 2,702 ft-247 ft
CLEARFORK - SEVERE WATER FLOWS (Clear Fork)2,957 ft-502 ft
COLEMAN JUNCTION
DEAN
LEONARD
SPRABERRY
WOLFCAMP

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
42-227-39846 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.1 mi
Yates 1,263'Seven Rivers 1,350'San Andres 2,122'Glorieta 2,718'Clear Fork 2,970'Spraberry Leonard Wolfcamp Dean Coleman Junction
42-227-39812 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.2 mi
Seven Rivers 1,370'San Andres 2,113'Glorieta 2,742'Clear Fork 3,524'Coleman Junction Spraberry Leonard Wolfcamp Dean Yates
42-227-39845 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.2 mi
Yates 1,270'Seven Rivers 1,359'San Andres 2,146'Glorieta 2,740'Clear Fork 2,987'Leonard Glorieta Wolfcamp Coleman Junction Yates Seven Rivers Clear Fork +3 more
42-227-39903 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.2 mi
Yates 1,233'Seven Rivers 1,320'San Andres 2,100'Glorieta 2,691'Clear Fork 2,942'Leonard Wolfcamp Coleman Junction Dean Spraberry
42-227-39867 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.3 mi
Seven Rivers 1,301'San Andres 2,062'Glorieta 2,650'Clear Fork 2,929'Cisco Dean Coleman Junction Wolfcamp Leonard Spraberry
42-227-39813 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.3 mi
Yates 1,255'Seven Rivers 1,346'San Andres 2,137'Glorieta 2,727'Clear Fork 2,976'Wolfcamp Dean Coleman Junction Leonard Spraberry
42-227-39679 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.3 mi
Spraberry Leonard Pennsylvanian Atoka Wolfcamp Cisco Dean Strawn Mississippian Canyon
42-227-39674 CHALK, G. O. · ROVER PETROLEUM OPERATING, LLC
0.3 mi
Ellenburger Leonard Pennsylvanian Atoka Wolfcamp Cisco Dean Strawn Mississippian Canyon

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 (4)

IntervalType
2,664–2,952 ftPerforated
3,195–3,199 ftPerforated
3,416–3,417 ftPerforated
3,441–3,758 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"963 ft470 sx
5.5"4,234 ft860 sx

Permit History (1)

Applications (1)

#844674 A ROVER PETROLEUM OPERATING, LLC
received 2018-09-14

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2019-10-22
W-2/G-1 2019-02-26 log on file

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

Lat 32.128080
Lon -101.243737

Well Details

Well Number
41CF
Max Depth
4,300 ft
Drill Type
Vertical
County
HOWARD
District
8
Completed
2019-05-17

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
1,537,532 bbl
Cum Gas (all leases)
35,084 mcf
Activities
OPRS/G, OPRS/O