42-127-37639

Final Completion Horizontal

STUMBERG RANCH UNIT E

DIMMIT County · District 1 · SN EF MAVERICK LLC · BRISCOE RANCH (EAGLEFORD)

Permits

1

Max Depth

8,600 ft

First Permit

2017-10-20

Latest Activity

2017-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-12-07

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: SN EF MAVERICK LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2026-04)

Resolved via: productionJAVELIN ENERGY PARTNERS MGMT LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-03

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 591 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDIDO - DISPOSAL (Escondido)3,154 ft-2,563 ft
OLMOS - DISPOSAL (Olmos)4,558 ft-3,967 ft
SAN MIGUEL - H2S (San Miguel)5,740 ft-5,149 ft
ANACACHO 6,427 ft-5,836 ft
AUSTIN CHALK - H2S (Austin Chalk)6,817 ft-6,226 ft
EAGLE FORD - H2S (Eagle Ford)7,379 ft-6,788 ft
EDWARDS - H2S (Edwards)
GEORGETOWN - H2S (Georgetown)
GLEN ROSE - DISPOSAL (Glen Rose)
PEARSALL

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
42-127-37638 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.0 mi
Escondido 3,159'Olmos 4,560'San Miguel 5,740'Anacacho 6,426'Austin Chalk 6,823'Eagle Ford 7,380'Georgetown Pearsall Glen Rose Edwards
42-127-37649 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,139'Olmos 4,549'San Miguel 5,710'Anacacho 6,385'Austin Chalk 6,776'Eagle Ford 7,338'Georgetown Pearsall Glen Rose Edwards
42-127-37645 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,146'Olmos 4,546'San Miguel 5,713'Anacacho 6,391'Austin Chalk 6,783'Eagle Ford 7,331'Georgetown Pearsall Glen Rose Edwards
42-127-37644 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,141'Olmos 4,547'San Miguel 5,725'Anacacho 6,400'Austin Chalk 6,791'Eagle Ford 7,349'Georgetown Pearsall Glen Rose Edwards
42-127-37643 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,150'Olmos 4,546'San Miguel 5,718'Anacacho 6,398'Austin Chalk 6,794'Eagle Ford 7,354'Edwards Glen Rose Pearsall Georgetown
42-127-37650 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,158'Olmos 4,550'San Miguel 5,730'Anacacho 6,405'Austin Chalk 6,800'Eagle Ford 7,354'Georgetown Pearsall Glen Rose Edwards
42-127-37641 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,151'Olmos 4,558'San Miguel 5,733'Anacacho 6,414'Austin Chalk 6,808'Eagle Ford 7,369'Georgetown Pearsall Glen Rose Edwards
42-127-37909 STUMBERG RANCH UNIT E · SN EF MAVERICK, LLC
0.1 mi
Escondido 3,146'Olmos 4,549'San Miguel 5,727'Austin Chalk 6,801'Eagle Ford 7,366'Glen Rose Edwards Pearsall Georgetown

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
8,807–18,331 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,687 ft575 sx
5.5"18,430 ft4,065 sx

Permit History (1)

Applications (1)

#831610 A SN EF MAVERICK, LLC
received 2017-10-03

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 2023-03-31 log on file
W-2/G-1 2019-03-19 log on file
W-2/G-1 2018-06-22 log on file
W-2/G-1 2018-08-08

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 28.359248
Lon -99.711723

Well Details

Well Number
01HB
Max Depth
8,600 ft
Drill Type
Horizontal
County
DIMMIT
District
1
Completed
2018-12-07

Operator

Location
R HOUSTON
P-5 Status
Inactive (filed 2022-12-07)
Cum Oil (all leases)
32,468,816 bbl
Cum Gas (all leases)
679,270,347 mcf
Total Permits
460