STATE OF TEXAS -C-

Oil · District 08 · Lease #7361

Operator: STEVENS & TULL, INC.

Cum Oil

56k BBL

Cum Gas

87k MCF

casinghead

Wells

4

Production

1993-01 — 2013-03

Peak Month

1995-08

Production History

Cum Oil: 56,121 BBL Cum Gas: 86,616 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

743 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

49,434 BBL

R-squared

0.476

type

exponential

Operator History (from monthly production reports)

2002-10 — 2026-07 CHAPARRAL ENERGY, L.L.C. 286 mo
1996-09 — 2002-09 CHAPARRAL (USA) ENERGY, INC. 73 mo
1995-02 — 1996-08 ECLIPSE OIL & GAS, INC. 19 mo
1994-10 — 1995-01 DUNE OIL AND GAS, INC. 4 mo
1993-01 — 1994-09 STEVENS & TULL, INC. 21 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
188CHAPARRAL ENERGY L.L.C.12,8001988-07-13
242-475-04707CHAPARRAL ENERGY L.L.C.------
342-475-04717CHAPARRAL ENERGY L.L.C.------
442-475-04711CHAPARRAL ENERGY L.L.C.------