FRANK-SALLY 11F

Oil · District 08 · Lease #59891

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

498k BBL

Cum Gas

917k MCF

casinghead

Wells

1

Production

2023-10 — 2026-04

Peak Month

2023-12

Production History

Cum Oil: 498,088 BBL Cum Gas: 916,606 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,750 BBL/mo

Di (annual)

76.3%

b-factor

0.0

EUR

467,826 BBL

R-squared

0.619

type

exponential

Operator History (from monthly production reports)

2023-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 34 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106HPIONEER NATURAL RES. USA, INC.110,5622022-10-24