NEAL RANCH "42" A

Oil · District 7C · Lease #17227

Operator: COG OPERATING LLC

Cum Oil

562k BBL

Cum Gas

1.6M MCF

casinghead

Wells

8

Production

2010-06 — 2026-04

Peak Month

2014-07

Production History

Cum Oil: 562,481 BBL Cum Gas: 1,569,535 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,880 BBL/mo

Di (annual)

31.7%

b-factor

0.6

EUR

590,202 BBL

R-squared

0.863

type

hyperbolic

Operator History (from monthly production reports)

2010-06 — 2026-07 COG OPERATING LLC 194 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15COG OPERATING LLC112,0002012-06-13
16COG OPERATING LLC112,0002012-05-17
12COG OPERATING LLC112,0002012-05-11
11COG OPERATING LLC112,0002012-03-26
8COG OPERATING LLC112,0002011-05-20
7COG OPERATING LLC112,0002011-01-27
3COG OPERATING LLC112,0002010-05-26
4COG OPERATING LLC110,6002010-03-29