1ST NATL. BANK OF SNYDER "B"

Oil · District 8A · Lease #62854

Operator: SEIS, INC.

Cum Oil

39k BBL

Cum Gas

136 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2005-02

Production History

Cum Oil: 38,578 BBL Cum Gas: 136 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

236 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

36,383 BBL

R-squared

0.437

type

exponential

Operator History (from monthly production reports)

1994-06 — 2026-07 GRAY, GORDON OPERATOR 386 mo
1993-01 — 1994-05 SEIS, INC. 17 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRAY, GORDON OPERATOR13,2851980-09-18
1BGRAY, GORDON OPERATOR13,2501980-03-17