GREEN "A"

Oil · District 08 · Lease #38579

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

266k BBL

Cum Gas

206k MCF

casinghead

Wells

8

Production

2007-10 — 2025-07

Peak Month

2013-12

Production History

Cum Oil: 265,595 BBL Cum Gas: 205,715 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,679 BBL/mo

Di (annual)

27.2%

b-factor

0.0

EUR

162,260 BBL

R-squared

0.768

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2018-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 82 mo
2017-06 — 2018-02 PETROLEGACY ENERGY II, LLC 9 mo
2007-10 — 2017-05 PIONEER NATURAL RES. USA, INC. 116 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10DIAMONDBACK E&P LLC110,8002013-01-23
9DIAMONDBACK E&P LLC110,8002012-10-17
6DIAMONDBACK E&P LLC110,9002011-10-12
8DIAMONDBACK E&P LLC110,9002011-10-12
5DIAMONDBACK E&P LLC111,0002010-06-23
4DIAMONDBACK E&P LLC110,0002008-02-02
3DIAMONDBACK E&P LLC110,5002007-10-19
2DIAMONDBACK E&P LLC110,0002007-07-16