MANLY HEIRS

Oil · District 7B · Lease #26881

Operator: SCHKADE BROS. OPERATING COMPANY

Cum Oil

42k BBL

Cum Gas

30 MCF

casinghead

Wells

1

Production

1993-05 — 2016-10

Peak Month

1993-05

Production History

Cum Oil: 41,921 BBL Cum Gas: 30 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

441 BBL/mo

Di (annual)

12.9%

b-factor

0.0

EUR

40,760 BBL

R-squared

0.549

type

exponential

Operator History (from monthly production reports)

1993-05 — 2017-04 SCHKADE BROS. OPERATING COMPANY 288 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHKADE BROS. OPERATING COMPANY22,0001993-02-18