DONELSON-ERWIN 10F

Oil · District 08 · Lease #57511

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

320k BBL

Cum Gas

457k MCF

casinghead

Wells

1

Production

2022-02 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 320,171 BBL Cum Gas: 457,057 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,276 BBL/mo

Di (annual)

225.3%

b-factor

0.4

EUR

268,351 BBL

R-squared

0.883

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 54 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.19,6482021-11-12