PRESTON 36I

Oil · District 08 · Lease #49055

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

195k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2017-06 — 2025-11

Peak Month

2017-11

Production History

Cum Oil: 194,679 BBL Cum Gas: 1,286,834 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,201 BBL/mo

Di (annual)

174.2%

b-factor

0.5

EUR

204,930 BBL

R-squared

0.988

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA INC.111,1672015-05-21