< leases

SH EAGLE 21

Oil · District 7C · Lease #8570

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

86k BBL

Cum Gas

333k MCF

casinghead

Wells

2

Production

1993-01 — 2017-09

Peak Month

1994-03

Production History

Cum Oil: 86,451 BBL Cum Gas: 333,157 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,409 BBL/mo

Di (annual)

45.8%

b-factor

0.6

EUR

76,916 BBL

R-squared

0.863

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2023-06 PIONEER NATURAL RES. USA, INC. 29 mo
2013-12 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 86 mo
2006-04 — 2013-11 CHEVRON MIDCONTINENT, L.P. 92 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-461-33422PIONEER NATURAL RES. USA INC.18,6001993-09-10
142-461-31632PIONEER NATURAL RES. USA INC.19,8001980-08-22