GOLLADAY -51-

Oil · District 08 · Lease #43133

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

48k BBL

Cum Gas

79k MCF

casinghead

Wells

1

Production

2012-10 — 2021-08

Peak Month

2012-12

Production History

Cum Oil: 47,625 BBL Cum Gas: 78,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,911 BBL/mo

Di (annual)

210.7%

b-factor

1.4

EUR

86,376 BBL

R-squared

0.666

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-01 PIONEER NATURAL RES. USA, INC. 56 mo
2019-07 — 2021-05 DE3 OPERATING LLC 23 mo
2012-10 — 2019-06 ENDEAVOR ENERGY RESOURCES L.P. 81 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
151PIONEER NATURAL RES. USA INC.212,0002012-06-15