ERNEST -A-

Oil · District 10 · Lease #31962

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

183k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2015-05

Production History

Cum Oil: 183,217 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,684 BBL/mo

Di (annual)

38.9%

b-factor

0.2

EUR

103,256 BBL

R-squared

0.745

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.111,4002014-10-14
4PIONEER NATURAL RES. USA, INC.111,4002014-04-21
1PARKER & PARSLEY PETROLEUM CO.19,6001988-06-22
2PARKER & PARSLEY PETROLEUM CO.19,6001988-06-22
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