E-C-F OIL UNIT

Oil · District 03 · Lease #16802

Operator: MAGNOLIA OIL & GAS OPERATING LLC

Cum Oil

60k BBL

Cum Gas

572k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 59,718 BBL Cum Gas: 571,913 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,731 BBL/mo

Di (annual)

244.2%

b-factor

0.8

EUR

45,856 BBL

R-squared

0.653

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2010-10 — 2018-07 ENERVEST OPERATING, L.L.C. 94 mo
2000-04 — 2010-09 EXXON MOBIL CORPORATION 126 mo
1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAGNOLIA OIL & GAS OPERATING LLC310,0002011-08-05
1REMAGNOLIA OIL & GAS OPERATING LLC310,0002011-08-05
2MAGNOLIA OIL & GAS OPERATING LLC19,0001986-11-21