ORSON-BILLY 139F

Oil · District 08 · Lease #58339

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

425k BBL

Cum Gas

933k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 425,303 BBL Cum Gas: 932,778 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,494 BBL/mo

Di (annual)

707.5%

b-factor

1.8

EUR

1,112,626 BBL

R-squared

0.738

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.211,0002022-07-08