KLAPPROTH

Oil · District 08 · Lease #28661

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

108k BBL

Cum Gas

291k MCF

casinghead

Wells

2

Production

1993-01 — 2021-12

Peak Month

2011-05

Production History

Cum Oil: 107,753 BBL Cum Gas: 291,201 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,154 BBL/mo

Di (annual)

63.6%

b-factor

0.6

EUR

87,861 BBL

R-squared

0.880

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.111,3002010-10-18
1PIONEER NATURAL RES. USA INC.19,6001983-09-13