MABEE FOUNDATION -E-

Oil · District 08 · Lease #26520

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

131k BBL

Cum Gas

312k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2014-05

Production History

Cum Oil: 131,466 BBL Cum Gas: 312,380 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,927 BBL/mo

Di (annual)

98.8%

b-factor

1.4

EUR

210,587 BBL

R-squared

0.628

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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.111,9002014-07-23
2PIONEER NATURAL RES. USA, INC.111,8002013-12-16
1PIONEER NATURAL RES. USA, INC.19,5001980-12-31
1WSPIONEER NATURAL RES. USA, INC.19,5001980-12-31