42-311-36019

SHUT IN Horizontal

Y-BAR EAST

MCMULLEN County · District 1 · CASTLEROCK EF OPERATING LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

3

Max Depth

11,000 ft

First Permit

2014-04-28

Latest Activity

2014-04-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-06-30

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: CASTLEROCK EF OPERATING LLC ≠ Permit: MURPHY EXPL. & PROD. CO. - USA

Resolved via: schedulingCASTLEROCK EF OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-05

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 (22) Elevation 337 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FRIO - DISPOSAL (Frio)1,460 ft-1,123 ft
CATAHOULA - DISPOSAL (Catahoula)1,590 ft-1,253 ft
YEGUA - DISPOSAL (Yegua)2,890 ft-2,553 ft
WILCOX - DISPOSAL (Wilcox)4,061 ft-3,724 ft
NAVARRO 6,457 ft-6,120 ft
NAVARRO 6,557 ft-6,220 ft
OLMOS 7,494 ft-7,157 ft
ESCONDIDO 8,340 ft-8,003 ft
UNDIFF CHALK8,951 ft-8,614 ft
AUSTIN CHALK 9,070 ft-8,733 ft
ANACACHO 9,480 ft-9,143 ft
EAGLE FORD - H2S (Eagle Ford)9,822 ft-9,485 ft
ANACACHO
AUSTIN CHALK
BUDA - H2S (Buda)
CATAHOULA - DISPOSAL (Catahoula)
EDWARDS - H2S (Edwards)
ESCONDIDO
FRIO - DISPOSAL (Frio)
GEORGETOWN
PEARSALL
YEGUA - DISPOSAL (Yegua)

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
42-311-36018 Y-BAR EAST UNIT A · MURPHY EXPL. & PROD. CO. - USA
0.0 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Navarro 6,611'Navarro 6,611'Olmos 7,530'Escondido 8,340'UNDIFF CHALK 8,988'Anacacho 9,054'Austin Chalk 9,176'Eagle Ford 9,756' +5 more
42-311-37413 CRX YBAR A · CASTLEROCK EF OPERATING LLC
0.8 mi
Anacacho 9,275'Austin Chalk 9,857'Eagle Ford 9,897'Navarro Catahoula Escondido Frio Yegua Wilcox Olmos
42-311-37412 CRX YBAR · CASTLEROCK EF OPERATING LLC
0.8 mi
Anacacho 9,238'Austin Chalk 9,839'Eagle Ford 9,882'Frio Yegua Wilcox Catahoula Olmos Navarro Escondido
42-311-37411 CRX YBAR · CASTLEROCK EF OPERATING LLC
0.8 mi
Anacacho 9,227'Eagle Ford 9,867'Austin Chalk 9,969'Frio Yegua Wilcox Olmos Catahoula Navarro Escondido
42-311-37218 CRX YBAR · CASTLEROCK EF OPERATING LLC
1.0 mi
Anacacho 9,731'Austin Chalk 9,809'Eagle Ford 9,850'Catahoula Yegua Wilcox Olmos Escondido Frio Navarro
42-311-37217 CRX YBAR · CASTLEROCK EF OPERATING LLC
1.0 mi
Anacacho 9,721'Austin Chalk 9,799'Eagle Ford 9,840'Navarro Escondido Frio Catahoula Yegua Wilcox Olmos
42-311-37216 CRX YBAR · CASTLEROCK EF OPERATING LLC
1.0 mi
Austin Chalk 9,788'Eagle Ford 9,830'Escondido Frio Catahoula Yegua Wilcox Anacacho Olmos Navarro
42-311-37000 RIVER LOWE RANCH · EOG RESOURCES, INC.
1.0 mi
Yegua 422'Wilcox 2,944'Carrizo 3,038'Navarro 6,542'Escondido 6,542'Olmos 7,674'Anacacho 9,286'Austin Chalk 9,813'Eagle Ford 9,900'Catahoula Frio

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
10,122–15,225 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,400 ft1,400 sx
5.5"15,320 ft1,460 sx

Permit History (3)

Applications (3)

#784403 A CASTLEROCK EF OPERATING LLC
received 2023-09-01
#784403 A MURPHY EXPL. & PROD. CO. - USA
received 2015-01-13
#784403 A MURPHY EXPL. & PROD. CO. - USA
received 2014-04-10

Records & Logs

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

W-2/G-1 2023-08-30
W-2/G-1 2022-03-15
W-2/G-1 2014-10-29 log on file
W-2/G-1 2014-08-08 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 28.510202
Lon -98.760388

Well Details

Well Number
1H
Max Depth
11,000 ft
Drill Type
Horizontal
County
MCMULLEN
District
1
Completed
2014-06-30

Operator

Location
SAN ANTONIO
P-5 Status
X (filed 2026-01-28)
Cum Oil (all leases)
3,530,048 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O
Total Permits
34