BRUMLEY "59A"

Oil · District 08 · Lease #41138

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

74k BBL

Cum Gas

80k MCF

casinghead

Wells

1

Production

2011-03 — 2026-01

Peak Month

2011-10

Production History

Cum Oil: 74,236 BBL Cum Gas: 80,376 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,674 BBL/mo

Di (annual)

47.6%

b-factor

0.4

EUR

68,261 BBL

R-squared

0.724

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2024-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 10 mo
2011-03 — 2024-02 PIONEER NATURAL RES. USA, INC. 156 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC110,8002010-06-16