BIGBY NORTH A 10-3

Oil · District 08 · Lease #54608

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

288k BBL

Cum Gas

3.1M MCF

casinghead

Wells

2

Production

2020-08 — 2026-04

Peak Month

2020-10

Production History

Cum Oil: 288,367 BBL Cum Gas: 3,079,240 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,618 BBL/mo

Di (annual)

168.8%

b-factor

0.2

EUR

254,566 BBL

R-squared

0.851

type

hyperbolic

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
4201HPIONEER NATURAL RES. USA, INC.19,5002020-01-30
4401HPIONEER NATURAL RES. USA, INC.19,5002020-01-30