ORSON-BILLY 139G

Oil · District 08 · Lease #58421

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

280k BBL

Cum Gas

774k MCF

casinghead

Wells

1

Production

2023-01 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 279,818 BBL Cum Gas: 773,773 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,453 BBL/mo

Di (annual)

332.7%

b-factor

0.8

EUR

452,320 BBL

R-squared

0.958

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HPIONEER NATURAL RES. USA, INC.211,0002022-07-07