MABEE FOUNDATION

Oil · District 08 · Lease #26086

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

278k BBL

Cum Gas

559k MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

2014-09

Production History

Cum Oil: 278,243 BBL Cum Gas: 559,244 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,389 BBL/mo

Di (annual)

34.9%

b-factor

0.0

EUR

185,422 BBL

R-squared

0.711

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.29,5002018-09-18
10PIONEER NATURAL RES. USA, INC.111,8002014-02-26
8PIONEER NATURAL RES. USA, INC.211,8002012-08-03
7PIONEER NATURAL RES. USA, INC.111,8002012-07-31
6PIONEER NATURAL RES. USA, INC.111,8002012-06-05
5PIONEER NATURAL RES. USA, INC.111,8002012-06-04
3PIONEER NATURAL RES. USA, INC.19,5001980-12-31
2PIONEER NATURAL RES. USA, INC.19,5001980-11-10