STILT EAST K 18-20

Oil · District 08 · Lease #56831

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

656k BBL

Cum Gas

2.0M MCF

casinghead

Wells

2

Production

2021-09 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 655,784 BBL Cum Gas: 1,984,204 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42,942 BBL/mo

Di (annual)

627.9%

b-factor

1.1

EUR

577,636 BBL

R-squared

0.620

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 59 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2811HPIONEER NATURAL RES. USA, INC.110,5532021-07-01
4211HPIONEER NATURAL RES. USA, INC.110,5532021-07-01