BRUT O 15-16

Oil · District 7C · Lease #21103

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

356k BBL

Cum Gas

2.5M MCF

casinghead

Wells

1

Production

2020-09 — 2026-04

Peak Month

2020-10

Production History

Cum Oil: 355,533 BBL Cum Gas: 2,492,375 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,165 BBL/mo

Di (annual)

515.3%

b-factor

1.1

EUR

566,731 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-09 — 2021-05 DE3 OPERATING LLC 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4315HPIONEER NATURAL RES. USA, INC.39,5002019-12-20