42-135-40679

Final Completion

RATLIFF S. W. -A-

ECTOR County · District 8 · SLANT OPERATING LLC · HEADLEE N. (DEVONIAN)

Permits

2

Max Depth

13,800 ft

First Permit

2010-12-09

Latest Activity

2025-04-11

Lifespan

14 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2011-05-20

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (11) Elevation 2,985 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,850 ft-1,865 ft
CLEARFORK (Clear Fork)7,253 ft-4,268 ft
SPRAYBERRY (TREND AREA) (Spraberry)8,420 ft-5,435 ft
WOLFCAMP 8,420 ft-5,435 ft
WOLFCAMP 8,956 ft-5,971 ft
CANYON 9,946 ft-6,961 ft
CANYON 9,950 ft-6,965 ft
ATOKA LIME (Atoka)10,500 ft-7,515 ft
DEVONIAN 11,792 ft-8,807 ft
ELLENBURGER 13,502 ft-10,517 ft
ELLENBURGERS13,502 ft-10,517 ft

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
42-135-43189 RATLIFF A · RELIANCE ENERGY, INC.
0.6 mi
Santa Rosa 1,246'Yates 3,089'Seven Rivers 3,453'Queen 4,288'Grayburg 4,991'San Andres 5,543'Clear Fork 7,353'Tubb Holt Glorieta
42-135-05003 RATLIFF, SALLIE W. "B" · EUREKA PROSPECTING COMPANY
0.8 mi
OE 13,500'
42-135-05000 RATLIFF, SALLIE W. · SLANT OPERATING, LLC
1.0 mi
Pennsylvanian 10,686'Pennsylvanian 10,686'Devonian 11,733'DEV 11,733'Ellenburger 13,450'
42-135-43980 EUREKA 31-43 C · SLANT OPERATING, LLC
1.0 mi
Yates 3,128'Seven Rivers 3,504'San Andres 5,022'Glorieta 6,242'Clear Fork 7,354'Spraberry 8,070'Santa Rosa Holt Queen Grayburg
42-135-43979 EUREKA 31-43 B · SLANT OPERATING, LLC
1.0 mi
Yates 3,136'Seven Rivers 3,498'San Andres 5,022'Glorieta 6,244'Clear Fork 7,359'Spraberry 8,072'Grayburg Queen Holt Santa Rosa
42-135-43978 EUREKA 31-43 A · SLANT OPERATING, LLC
1.0 mi
Yates 3,133'Seven Rivers 3,497'San Andres 5,022'Glorieta 6,256'Clear Fork 7,371'Tubb Santa Rosa Queen Grayburg Holt
42-135-43872 RATLIFF F UNIT · COG OPERATING LLC
1.2 mi
Santa Rosa 1,121'Yates 3,198'Seven Rivers 3,798'Queen 4,041'Grayburg 4,141'San Andres 5,174'Holt 5,774'Glorieta 6,221'Clear Fork 8,004'Tubb
42-135-43871 RATLIFF F UNIT · COG OPERATING LLC
1.2 mi
Santa Rosa 1,121'Yates 3,198'Seven Rivers 3,798'Queen 4,041'Grayburg 4,141'San Andres 5,174'Holt 5,774'Glorieta 6,221'Clear Fork 8,004'Tubb

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
8,428–8,560 ftPerforated
11,960–11,990 ftPerforated
12,020–12,050 ftPerforated
12,110–12,170 ftPerforated

Casing (5)

SizeSet DepthCement
13.375"1,605 ft1,200 sx
9.625"5,353 ft1,350 sx
5.5"13,637 ft1,050 sx
5.5"13,637 ft1,050 sx
5.5"1,670 sx

Permit History (2)

Applications (2)

#907252 A SLANT OPERATING, LLC
received 2025-04-04
#706244 A EUREKA PROSPECTING COMPANY
received 2010-12-02

Records & Logs

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

W-2/G-1 2025-08-11
W-2/G-1 2011-06-20 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 31.970618
Lon -102.365622

Well Details

Well Number
16
Max Depth
13,800 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2011-05-20

Operator

Location
LAFAYETTE
P-5 Status
Active (filed 2026-02-10)
Cum Oil (all leases)
6,429,538 bbl
Cum Gas (all leases)
15,539,224 mcf
Activities
CSGD/P, G/PUR, GTHS/G, OPRS/O
Total Permits
193