PRESTON 36J

Oil · District 08 · Lease #48990

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

207k BBL

Cum Gas

857k MCF

casinghead

Wells

1

Production

2017-06 — 2026-01

Peak Month

2017-07

Production History

Cum Oil: 207,168 BBL Cum Gas: 856,569 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,536 BBL/mo

Di (annual)

77.0%

b-factor

0.2

EUR

185,779 BBL

R-squared

0.898

type

hyperbolic

Operator History (from monthly production reports)

2017-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 110 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA INC.111,1672015-07-23