DONOVAN -B-

Oil · District 10 · Lease #22522

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

66k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2023-05

Peak Month

1993-03

Production History

Cum Oil: 66,124 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

719 BBL/mo

Di (annual)

13.6%

b-factor

0.0

EUR

63,601 BBL

R-squared

0.816

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4COX, JOHN L.19,2001986-01-08
3COX, JOHN L.19,4001985-11-04
142-329-30151--------
242-329-30184--------
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