ORSON-BILLY 139E

Oil · District 08 · Lease #58439

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

225k BBL

Cum Gas

578k MCF

casinghead

Wells

1

Production

2023-01 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 224,738 BBL Cum Gas: 577,746 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,404 BBL/mo

Di (annual)

542.3%

b-factor

1.5

EUR

608,478 BBL

R-squared

0.864

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 PIONEER NATURAL RES. USA, INC. 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HPIONEER NATURAL RES. USA, INC.211,0002022-07-08