PRESTON S31I

Oil · District 08 · Lease #49124

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

302k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2017-05 — 2026-04

Peak Month

2018-08

Production History

Cum Oil: 301,828 BBL Cum Gas: 2,237,228 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,472 BBL/mo

Di (annual)

165.0%

b-factor

0.4

EUR

307,457 BBL

R-squared

0.958

type

hyperbolic

Operator History (from monthly production reports)

2017-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 111 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
109HPIONEER NATURAL RES. USA, INC.211,0002017-03-13