NEAL RANCH "37" A

Oil · District 7C · Lease #17410

Operator: COG OPERATING LLC

Cum Oil

607k BBL

Cum Gas

2.4M MCF

casinghead

Wells

9

Production

2010-10 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 606,897 BBL Cum Gas: 2,420,319 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,120 BBL/mo

Di (annual)

17.1%

b-factor

0.2

EUR

441,949 BBL

R-squared

0.544

type

hyperbolic

Operator History (from monthly production reports)

2010-10 — 2026-07 COG OPERATING LLC 190 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HCOG OPERATING LLC215,0002014-01-31
15COG OPERATING LLC112,0002012-01-18
14COG OPERATING LLC112,0002012-01-17
11COG OPERATING LLC112,0002011-12-20
6COG OPERATING LLC112,0002011-09-28
10COG OPERATING LLC112,0002011-05-16
8COG OPERATING LLC112,0002010-11-15
5COG OPERATING LLC212,0002010-05-26
7COG OPERATING LLC112,0002010-05-05