42-255-37495

PRODUCING Horizontal

DAVIS 01

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)

Permits

1

Max Depth

22,000 ft

First Permit

2022-05-09

Latest Activity

2022-05-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-11-04

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MARATHON OIL EF LLC ≠ Permit: ENSIGN OPERATING LLC

Resolved via: productionMARATHON OIL EF LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-11

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 281 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 5,243 ft-4,962 ft
REKLAW 5,639 ft-5,358 ft
CARRIZO 5,890 ft-5,609 ft
WILCOX - DISPOSAL (Wilcox)12,670 ft-12,389 ft
AUSTIN CHALK - H2S (Austin Chalk)12,801 ft-12,520 ft
EAGLE FORD - H2S (Eagle Ford)12,954 ft-12,673 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
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
42-255-37493 DAVIS 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,186'Reklaw 5,642'Wilcox 5,901'Carrizo 5,901'Austin Chalk 12,778'Eagle Ford 12,929'Yegua Sligo Frio Edwards
42-255-37496 DAVIS 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,180'Reklaw 5,638'Carrizo 5,897'Wilcox 12,709'Austin Chalk 12,902'Eagle Ford 13,002'Yegua Edwards Frio Sligo
42-255-37492 DAVIS 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,181'Reklaw 5,635'Carrizo 5,877'Wilcox 5,877'Carrizo 5,884'Wilcox 5,884'Austin Chalk 12,767'Austin Chalk 12,775'Eagle Ford 12,922'Eagle Ford 12,935'Sligo Yegua +2 more
42-255-37491 DAVIS 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,181'Reklaw 5,635'Carrizo 5,877'Wilcox 5,877'Austin Chalk 12,775'Eagle Ford 12,922'Yegua Frio Edwards Sligo
42-255-34672 DAVIS 01 · PIONEER NATURAL RES. USA, INC.
0.7 mi
Frio 2,200'Yegua 3,300'Queen City 4,700'Reklaw 5,100'Carrizo 5,708'Wilcox 5,708'Austin Chalk 12,783'Eagle Ford 12,976'Sligo Edwards
42-255-34673 DAVIS 01 · PIONEER NATURAL RES. USA, INC.
0.7 mi
Frio 2,200'Yegua 3,300'Queen City 4,700'Reklaw 5,100'Carrizo 5,711'Wilcox 5,711'Austin Chalk 12,772'Eagle Ford 12,968'Sligo Edwards
42-255-34674 DAVIS 01 · PIONEER NATURAL RES. USA, INC.
0.7 mi
Frio 2,200'Yegua 3,300'Queen City 4,700'Reklaw 5,100'Wilcox 5,777'Carrizo 5,777'Austin Chalk 12,775'Eagle Ford 12,974'Sligo Edwards
42-255-34675 DAVIS 01 · PIONEER NATURAL RES. USA, INC.
0.7 mi
Frio 2,200'Yegua 3,300'Queen City 4,968'Reklaw 5,100'Carrizo 5,774'Wilcox 5,774'Austin Chalk 12,747'Eagle Ford 12,944'Sligo Edwards

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
13,211–16,945 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,083 ft1,307 sx
5.5"17,011 ft3,934 sx

Permit History (1)

Applications (1)

#879647 A ENSIGN OPERATING LLC
received 2022-04-29

Records & Logs

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

W-2/G-1 2023-01-13 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 28.848902
Lon -97.819083

Well Details

Well Number
15H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2022-11-04

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-26)
Cum Oil (all leases)
409,189,156 bbl
Cum Gas (all leases)
1,029,735,602 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,173