ELKIN -I-

Oil · District 08 · Lease #31585

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

68k BBL

Cum Gas

294k MCF

casinghead

Wells

2

Production

1993-01 — 2024-04

Peak Month

2000-05

Production History

Cum Oil: 67,897 BBL Cum Gas: 294,379 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

413 BBL/mo

Di (annual)

6.6%

b-factor

0.0

EUR

72,003 BBL

R-squared

0.718

type

exponential

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETROPLEX ENERGY INC.19,4251987-11-16
2D42-329-30297PARKER & PARSLEY PETROLEUM CO.------