SULLIVAN, D.J. "B"

Oil · District 04 · Lease #12412

Operator: MANTI OPERATING COMPANY

Fields: PITA (D-5-U)

Cum Oil

26k BBL

Cum Gas

115k MCF

casinghead

Wells

2

Production

1994-09 — 1998-07

Peak Month

1995-01

Production History

Cum Oil: 26,166 BBL Cum Gas: 115,138 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,131 BBL/mo

Di (annual)

59.1%

b-factor

0.0

EUR

22,947 BBL

R-squared

0.681

type

exponential

Operator History (from monthly production reports)

1998-02 — 1999-03 COSTILLA ENERGY, INC. 14 mo
1996-06 — 1998-01 MANTI OPERATING COMPANY 20 mo
1994-09 — 1996-05 HEADINGTON OIL COMPANY 21 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101 FCOSTILLA ENERGY INC.28,6001996-11-15
93VARAS ENERGY OPERATING COMPANY,39,1001994-09-23