PRESTON N31I

Oil · District 08 · Lease #50539

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

238k BBL

Cum Gas

2.3M MCF

casinghead

Wells

1

Production

2018-05 — 2026-04

Peak Month

2018-06

Production History

Cum Oil: 238,474 BBL Cum Gas: 2,268,142 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,775 BBL/mo

Di (annual)

319.6%

b-factor

0.5

EUR

236,343 BBL

R-squared

0.968

type

hyperbolic

Operator History (from monthly production reports)

2018-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.211,0002017-03-09