SHANNON SOHIO "A"

Oil · District 7C · Lease #8202

Operator: TEXCAL RESOURCES, INC.

Cum Oil

3k BBL

Cum Gas

21 MCF

casinghead

Wells

4

Production

1993-01 — 1994-12

Peak Month

1993-04

Production History

Cum Oil: 3,132 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

147 BBL/mo

Di (annual)

19.1%

b-factor

1.7

EUR

29,407 BBL

R-squared

0.553

type

hyperbolic

Operator History (from monthly production reports)

1994-05 — 1995-03 ENERGY PRODUCTION CORPORATION 11 mo
1993-01 — 1994-04 TEXCAL RESOURCES, INC. 16 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CLARK OIL CO.12,5001980-03-26
3CLARK OIL CO.12,5001980-03-24
2CLARK OIL CO.12,5001979-11-16
1CLARK OIL CO.12,5001979-11-14