KATIE STATE

Oil · District 08 · Lease #51177

Operator: COG OPERATING LLC

Cum Oil

1.5M BBL

Cum Gas

2.1M MCF

casinghead

Wells

6

Production

2019-02 — 2026-04

Peak Month

2019-12

Production History

Cum Oil: 1,542,832 BBL Cum Gas: 2,139,774 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,506 BBL/mo

Di (annual)

30.9%

b-factor

0.0

EUR

1,340,656 BBL

R-squared

0.402

type

exponential

Operator History (from monthly production reports)

2019-02 — 2026-07 COG OPERATING LLC 90 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1108SHCOG OPERATING LLC112,0002019-03-05
1109AHCOG OPERATING LLC112,0002019-03-05
1110LHCOG OPERATING LLC112,0002019-03-05
1111SHCOG OPERATING LLC112,0002019-03-05
1112AHCOG OPERATING LLC112,0002019-03-05
1109WBCOG OPERATING LLC212,0002013-05-20