SHOCKLEY "9"

Oil · District 08 · Lease #38992

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

257k BBL

Cum Gas

864k MCF

casinghead

Wells

4

Production

2008-09 — 2026-04

Peak Month

2015-05

Production History

Cum Oil: 256,964 BBL Cum Gas: 863,882 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,298 BBL/mo

Di (annual)

14.4%

b-factor

0.0

EUR

191,283 BBL

R-squared

0.460

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2008-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 196 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002018-07-20
4DIAMONDBACK E&P LLC212,0002014-11-21
3DIAMONDBACK E&P LLC112,0002014-11-05
2DIAMONDBACK E&P LLC112,0002012-12-18