BRISCOE

Oil · District 8A · Lease #69640

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

2k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-10 — 2015-01

Peak Month

2010-11

Production History

Cum Oil: 2,312 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

436 BBL/mo

Di (annual)

810.9%

b-factor

1.0

EUR

3,900 BBL

R-squared

0.885

type

hyperbolic

Operator History (from monthly production reports)

2010-10 — 2015-08 SCHALK OIL COMPANY, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY INC.23,9502010-08-19