SCHARBAUER "E"

Oil · District 08 · Lease #31793

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

131k BBL

Cum Gas

410k MCF

casinghead

Wells

2

Production

1993-01 — 2021-09

Peak Month

2012-04

Production History

Cum Oil: 130,987 BBL Cum Gas: 409,768 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,473 BBL/mo

Di (annual)

31.3%

b-factor

0.3

EUR

79,380 BBL

R-squared

0.685

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.312,3002011-02-18
1PIONEER NATURAL RES. USA INC.19,7501988-01-14