GATLIN, MARY

Oil · District 08 · Lease #39577

Operator: COG OPERATING LLC

Cum Oil

307k BBL

Cum Gas

737k MCF

casinghead

Wells

6

Production

2009-04 — 2025-11

Peak Month

2014-03

Production History

Cum Oil: 306,665 BBL Cum Gas: 737,072 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,796 BBL/mo

Di (annual)

20.3%

b-factor

0.0

EUR

165,648 BBL

R-squared

0.493

type

exponential

Operator History (from monthly production reports)

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

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12COG OPERATING LLC111,5002013-01-24
8COG OPERATING LLC112,0002011-05-04
9COG OPERATING LLC111,5002011-01-27
7COG OPERATING LLC111,5002010-07-30
4COG OPERATING LLC312,8001987-12-07
1COG OPERATING LLC110,5551985-05-31