PRESTON 18A

Oil · District 08 · Lease #48917

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

409k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2017-06 — 2026-04

Peak Month

2017-09

Production History

Cum Oil: 409,059 BBL Cum Gas: 2,248,443 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,420 BBL/mo

Di (annual)

126.3%

b-factor

0.5

EUR

284,223 BBL

R-squared

0.671

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.111,0502016-04-13