YORK-LAW 139D

Oil · District 08 · Lease #58343

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

567k BBL

Cum Gas

821k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 566,563 BBL Cum Gas: 820,845 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,116 BBL/mo

Di (annual)

417.1%

b-factor

1.8

EUR

1,776,877 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
104HPIONEER NATURAL RES. USA, INC.110,9622022-06-06