HALEY, C. B.

Oil · District 08 · Lease #39578

Operator: COG OPERATING LLC

Cum Oil

132k BBL

Cum Gas

246k MCF

casinghead

Wells

4

Production

2009-04 — 2024-11

Peak Month

2011-03

Production History

Cum Oil: 131,524 BBL Cum Gas: 245,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,605 BBL/mo

Di (annual)

49.8%

b-factor

0.3

EUR

123,367 BBL

R-squared

0.891

type

hyperbolic

Operator History (from monthly production reports)

2009-04 — 2026-07 COG OPERATING LLC 208 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11COG OPERATING LLC111,5002013-01-15
4COG OPERATING LLC111,0002010-07-26
2COG OPERATING LLC210,5452004-03-29
1COG OPERATING LLC210,5401990-07-30