NEAL RANCH '38' B UNIT

Oil · District 7C · Lease #18977

Operator: COG OPERATING LLC

Cum Oil

190k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2015-04 — 2026-04

Peak Month

2015-06

Production History

Cum Oil: 190,235 BBL Cum Gas: 1,282,761 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,973 BBL/mo

Di (annual)

173.3%

b-factor

0.8

EUR

180,784 BBL

R-squared

0.769

type

hyperbolic

Operator History (from monthly production reports)

2015-04 — 2026-07 COG OPERATING LLC 136 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31HCOG OPERATING LLC212,0002014-11-19