42-311-37503

PRODUCING Horizontal

COBRA 10C

MCMULLEN County · District 1 · JAVELIN ENERGY PARTNERS MGMT LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

1

Max Depth

10,000 ft

First Permit

2024-04-05

Latest Activity

2024-04-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-10-11

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: JAVELIN ENERGY PARTNERS MGMT LLC ≠ Permit: RIDGEMAR ENERGY OPERATING, LLC

Resolved via: productionJAVELIN ENERGY PARTNERS MGMT LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-10

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 337 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ANACACHO 9,346 ft-9,009 ft
AUSTIN CHALK 9,712 ft-9,375 ft
EAGLE FORD - H2S (Eagle Ford)9,902 ft-9,565 ft
BUDA - H2S (Buda)
ESCONDIDO
FRIO - DISPOSAL (Frio)
NAVARRO
OLMOS
WILCOX - DISPOSAL (Wilcox)
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
42-311-37504 COBRA 10D · RIDGEMAR ENERGY OPERATING, LLC
0.0 mi
Anacacho 9,373'Austin Chalk 9,738'Eagle Ford 9,924'Frio Yegua Wilcox Catahoula Olmos Navarro Escondido
42-311-37502 COBRA 10B · RIDGEMAR ENERGY OPERATING, LLC
0.0 mi
Anacacho 9,337'Austin Chalk 9,704'Eagle Ford 9,891'Navarro Escondido Yegua Wilcox Frio Catahoula Olmos
42-311-37501 COBRA 10A · RIDGEMAR ENERGY OPERATING, LLC
0.0 mi
Anacacho 9,322'Austin Chalk 9,693'Eagle Ford 9,882'Yegua Catahoula Navarro Escondido Frio Wilcox Olmos
42-013-36202 SAGE GEOSYSTEMS SMECI · SAGE GEOSYSTEMS INC.
0.8 mi
Queen City 1,688'Reklaw 2,669'Carrizo 3,019'Wilcox 3,239'Escondido 6,922'Olmos 7,724'Anacacho 9,295'
42-311-36740 MUSTANG · CARRIZO (EAGLE FORD) LLC
1.3 mi
Wilcox 4,630'Midway 4,630'Escondido 7,172'Olmos 7,993'Austin Chalk 9,613'Eagle Ford 10,153'Catahoula Frio Yegua Wilcox Anacacho Navarro
42-311-36742 MUSTANG · CARRIZO (EAGLE FORD) LLC
1.3 mi
Midway 4,632'Escondido 7,175'Olmos 7,998'Austin Chalk 9,618'Eagle Ford 10,161'Frio Catahoula Navarro Yegua Wilcox Anacacho
42-311-36743 MUSTANG · CARRIZO (EAGLE FORD) LLC
1.3 mi
Escondido 7,191'Olmos 8,008'Austin Chalk 9,636'Eagle Ford 10,173'Wilcox Anacacho Yegua Navarro Frio Catahoula
42-311-36744 GRAN TORINO A · CARRIZO (EAGLE FORD) LLC
1.3 mi
Wilcox 4,550'Midway 4,551'Escondido 7,207'Olmos 8,018'Austin Chalk 9,624'Eagle Ford 10,185'Yegua Navarro Frio Catahoula Wilcox Anacacho

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
10,177–17,953 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,550 ft1,495 sx
5.5"17,970 ft2,180 sx

Permit History (1)

Applications (1)

#898534 A RIDGEMAR ENERGY OPERATING, LLC
received 2024-04-02

Records & Logs

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

W-2/G-1 2024-11-13 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 28.640991
Lon -98.504948

Well Details

Well Number
12H
Max Depth
10,000 ft
Drill Type
Horizontal
County
MCMULLEN
District
1
Completed
2024-10-11

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-02-24)
Cum Oil (all leases)
44,995,326 bbl
Cum Gas (all leases)
357,450,617 mcf
Activities
OPRS/G, OPRS/O
Total Permits
228