JOST

Oil · District 08 · Lease #38168

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

52k BBL

Cum Gas

174k MCF

casinghead

Wells

4

Production

2006-12 — 2019-10

Peak Month

2007-07

Production History

Cum Oil: 52,181 BBL Cum Gas: 174,412 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,356 BBL/mo

Di (annual)

96.3%

b-factor

1.1

EUR

73,865 BBL

R-squared

0.882

type

hyperbolic

Operator History (from monthly production reports)

2019-12 — 2026-07 DIAMONDBACK E&P LLC 80 mo
2006-12 — 2019-11 PIONEER NATURAL RES. USA, INC. 156 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7DIAMONDBACK E&P LLC110,0002006-12-20
8DIAMONDBACK E&P LLC110,0002006-12-20
4DIAMONDBACK E&P LLC29,5002006-10-02
6DIAMONDBACK E&P LLC29,5002006-08-30