CLARK C-CLARK B SA

Oil · District 02 · Lease #10881

Operator: DEVON ENERGY PRODUCTION CO, L.P.

Cum Oil

356k BBL

Cum Gas

591k MCF

casinghead

Wells

1

Production

2014-02 — 2026-04

Peak Month

2014-11

Production History

Cum Oil: 355,623 BBL Cum Gas: 591,306 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,224 BBL/mo

Di (annual)

121.7%

b-factor

0.5

EUR

290,909 BBL

R-squared

0.827

type

hyperbolic

Operator History (from monthly production reports)

2014-02 — 2026-07 DEVON ENERGY PRODUCTION CO, L.P. 150 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-01-14