NAIL -M-

Oil · District 08 · Lease #31005

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

42k BBL

Cum Gas

159k MCF

casinghead

Wells

1

Production

1993-01 — 2021-01

Peak Month

1993-07

Production History

Cum Oil: 41,904 BBL Cum Gas: 158,612 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

239 BBL/mo

Di (annual)

6.2%

b-factor

0.3

EUR

51,681 BBL

R-squared

0.915

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2023-06 PIONEER NATURAL RES. USA, INC. 310 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.19,4501986-10-20