THOMPSON, S.H. HEIRS

Oil · District 09 · Lease #28693

Operator: ZAVALA INDEPENDENT GAS, INC.

Cum Oil

7k BBL

Cum Gas

331k MCF

casinghead

Wells

2

Production

1993-10 — 2006-08

Peak Month

1994-01

Production History

Cum Oil: 7,255 BBL Cum Gas: 331,143 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

224 BBL/mo

Di (annual)

289.9%

b-factor

1.2

EUR

6,331 BBL

R-squared

0.393

type

hyperbolic

Operator History (from monthly production reports)

2004-05 — 2007-03 RIVERCITY OPERATING, INC. 35 mo
2002-01 — 2004-04 ZAVALA INDEPENDENT GAS, INC. 28 mo
1993-10 — 2001-12 TECH RESOURCES, INC. 99 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ARIVERCITY OPERATING INC.16,0001994-04-26
1RIVERCITY OPERATING INC.26,0001993-07-07