ROBERTSON "B"

Oil · District 8 · Lease #17303

Operator: WALSH & WATTS, INC.

Cum Oil

59k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2009-01

Production History

Cum Oil: 59,297 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

691 BBL/mo

Di (annual)

20.9%

b-factor

0.0

EUR

39,707 BBL

R-squared

0.719

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4WALSH & WATTS, INC.14,8002014-03-07
3TERRELL OPERATING CO.14,9991982-03-16
2TERRELL OPERATING CO.14,9991981-09-24
1TERRELL OPERATING CO.14,8001981-04-08
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