PRESTON 18B

Oil · District 08 · Lease #48918

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

331k BBL

Cum Gas

2.7M MCF

casinghead

Wells

1

Production

2017-06 — 2026-04

Peak Month

2017-07

Production History

Cum Oil: 331,371 BBL Cum Gas: 2,734,765 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

48,473 BBL/mo

Di (annual)

510.4%

b-factor

0.7

EUR

340,505 BBL

R-squared

0.890

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.111,0502016-04-13