< leases

BLANKENSHIP, LEON

Oil · District 7B · Lease #21315

Operator: VENTEX OPERATING CORP.

Fields: BARTLETT, EAST

Cum Oil

25k BBL

Cum Gas

24k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2005-06

Production History

Cum Oil: 24,672 BBL Cum Gas: 23,838 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

3.0%

b-factor

0.0

EUR

26,632 BBL

R-squared

0.319

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 GRAYROCK ENERGY II, LLC 31 mo
2017-06 — 2023-12 ROVER PETROLEUM OPERATING, LLC 79 mo
2011-12 — 2017-05 MERIT ENERGY COMPANY 66 mo
2009-05 — 2011-11 PLANTATION OPERATING, LLC 31 mo
2004-04 — 2009-04 L.C.S. PRODUCTION COMPANY 61 mo
2003-07 — 2004-03 S & V HOLDINGS, LLC 9 mo
2001-04 — 2003-06 L.C.S. PRODUCTION COMPANY 27 mo
1994-03 — 2001-03 VENTEX OPERATING CORP. 85 mo
1993-01 — 1994-02 KELT OIL & GAS, INC. 14 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-253-34736GRAYROCK ENERGY II, LLC13,9992004-12-08
242-253-33012GRAYROCK ENERGY II, LLC13,4001984-07-18
142-253-32961GRAYROCK ENERGY II, LLC13,4001984-05-14