AIRHART

Oil · District 08 · Lease #40844

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

79k BBL

Cum Gas

131k MCF

casinghead

Wells

2

Production

2010-12 — 2026-04

Peak Month

2011-08

Production History

Cum Oil: 78,831 BBL Cum Gas: 130,804 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,697 BBL/mo

Di (annual)

279.2%

b-factor

0.9

EUR

48,277 BBL

R-squared

0.654

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2023-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 18 mo
2010-12 — 2023-06 PIONEER NATURAL RES. USA, INC. 151 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC210,6002010-12-16
1DIAMONDBACK E&P LLC310,5002010-05-11