BIGBY NORTH D 10-3

Oil · District 08 · Lease #54633

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

419k BBL

Cum Gas

1.7M MCF

casinghead

Wells

2

Production

2020-08 — 2026-04

Peak Month

2020-09

Production History

Cum Oil: 418,849 BBL Cum Gas: 1,745,044 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,381 BBL/mo

Di (annual)

99.1%

b-factor

0.0

EUR

380,322 BBL

R-squared

0.797

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-08 — 2021-05 DE3 OPERATING LLC 10 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4204HPIONEER NATURAL RES. USA, INC.19,5002020-01-30
4404HPIONEER NATURAL RES. USA, INC.19,5002020-01-30