< leases

SPRAWLS, GENE L.

Oil · District 08 · Lease #22771

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

100k BBL

Cum Gas

140k MCF

casinghead

Wells

2

Production

1993-01 — 2019-08

Peak Month

2001-01

Production History

Cum Oil: 100,018 BBL Cum Gas: 139,943 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,726 BBL/mo

Di (annual)

46.6%

b-factor

0.8

EUR

116,692 BBL

R-squared

0.815

type

hyperbolic

Operator History (from monthly production reports)

2019-05 — 2020-07 PIONEER NATURAL RES. USA, INC. 15 mo
2013-12 — 2019-04 HUNT OIL COMPANY 65 mo
2002-07 — 2013-11 MERIT ENERGY COMPANY 137 mo
2001-07 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 12 mo
1999-03 — 2001-06 CONCHO RESOURCES INC. 28 mo
1996-07 — 1999-02 HANLEY PETROLEUM INC. 32 mo
1993-01 — 1996-06 KAISER-FRANCIS OIL COMPANY 42 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-317-34225PIONEER NATURAL RES. USA INC.19,1451999-07-19
142-317-30778PIONEER NATURAL RES. USA INC.------