PRESTON E13A

Oil · District 08 · Lease #51399

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

714k BBL

Cum Gas

2.9M MCF

casinghead

Wells

2

Production

2018-11 — 2026-04

Peak Month

2020-04

Production History

Cum Oil: 714,092 BBL Cum Gas: 2,890,362 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,664 BBL/mo

Di (annual)

20.5%

b-factor

0.0

EUR

799,130 BBL

R-squared

0.503

type

exponential

Operator History (from monthly production reports)

2018-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 93 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
104HPIONEER NATURAL RES. USA, INC.110,5512019-06-13
101HPIONEER NATURAL RES. USA, INC.110,6002018-02-14