ELROD -C-

Oil · District 08 · Lease #21496

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

53k BBL

Cum Gas

72k MCF

casinghead

Wells

2

Production

1993-01 — 2020-03

Peak Month

2016-12

Production History

Cum Oil: 53,020 BBL Cum Gas: 71,766 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

755 BBL/mo

Di (annual)

42.0%

b-factor

0.7

EUR

49,860 BBL

R-squared

0.673

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
3PIONEER NATURAL RES. USA INC.19,1002011-05-11
142-317-30048PIONEER NATURAL RES. USA INC.------