BIGBY WEST G 10-3

Oil · District 08 · Lease #59432

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

310k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2023-06 — 2026-04

Peak Month

2023-07

Production History

Cum Oil: 310,113 BBL Cum Gas: 1,178,184 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,272 BBL/mo

Di (annual)

81.5%

b-factor

0.2

EUR

336,119 BBL

R-squared

0.715

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 38 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4207HPIONEER NATURAL RES. USA, INC.19,0002022-06-13