ULMER "A"

Oil · District 9 · Lease #13063

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

86k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2021-03

Peak Month

1993-05

Production History

Cum Oil: 85,737 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

701 BBL/mo

Di (annual)

10.0%

b-factor

0.0

EUR

83,256 BBL

R-squared

0.760

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, LTD.19,1001991-02-20
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