< leases

M & B OIL UNIT

Oil · District 03 · Lease #21553

Operator: TANGLEWOOD OIL & GAS CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

115k BBL

Cum Gas

575k MCF

casinghead

Wells

1

Production

1993-01 — 2015-12

Peak Month

1993-01

Production History

Cum Oil: 114,547 BBL Cum Gas: 575,295 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,146 BBL/mo

Di (annual)

68.4%

b-factor

0.5

EUR

104,281 BBL

R-squared

0.907

type

hyperbolic

Operator History (from monthly production reports)

2013-01 — 2026-07 PROGENIES OPERATING LLC 163 mo
2001-07 — 2012-12 SQUARE ONE CORPORATION 138 mo
2000-01 — 2001-06 CROWNQUEST OPERATING, LLC 18 mo
1999-06 — 1999-12 TANGLEWOOD OIL & GAS CO. 7 mo
1995-11 — 1999-05 ROSEWOOD RESOURCES, INC. 43 mo
1993-01 — 1995-10 TANA OIL AND GAS CORPORATION 34 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-149-32574PROGENIES OPERATING LLC29,8001992-01-27