CUNNINGHAM -A-

Oil · District 13 · Lease #28532

Operator: RATLIFF OPERATING CORP.

Fields: QUANAH

Cum Oil

54k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-03 — 2015-09

Peak Month

1993-04

Production History

Cum Oil: 54,421 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,307 BBL/mo

Di (annual)

131.2%

b-factor

0.2

EUR

37,776 BBL

R-squared

0.897

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RATLIFF OPERATING CORP.16,0001992-12-18
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