NAIL -K-

Oil · District 08 · Lease #28984

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

39k BBL

Cum Gas

95k MCF

casinghead

Wells

1

Production

1993-01 — 2025-11

Peak Month

1999-07

Production History

Cum Oil: 38,627 BBL Cum Gas: 95,185 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

456 BBL/mo

Di (annual)

236.3%

b-factor

0.2

EUR

2,878 BBL

R-squared

0.593

type

hyperbolic

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,7001984-04-26