YORK-LAW 139A

Oil · District 08 · Lease #58267

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

463k BBL

Cum Gas

960k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 462,903 BBL Cum Gas: 959,524 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,379 BBL/mo

Di (annual)

189.9%

b-factor

0.9

EUR

898,672 BBL

R-squared

0.783

type

hyperbolic

Operator History (from monthly production reports)

2022-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.210,9622022-06-13