TAYLOR HEIRS

Oil · District 06 · Lease #865

Operator: SOUTHWEST OPERATING, INC.-TYLER

Fields: MANZIEL

Cum Oil

577 BBL

Cum Gas

20 MCF

casinghead

Wells

3

Production

1993-01 — 1994-08

Peak Month

1994-01

Production History

Cum Oil: 577 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31 BBL/mo

Di (annual)

27.2%

b-factor

2.0

EUR

5,846 BBL

R-squared

0.479

type

hyperbolic

Operator History (from monthly production reports)

2007-10 — 2026-07 SOUTHWEST OPERATING, INC.-TYLER 226 mo
2006-09 — 2007-09 SHILOH OPERATING LLC 13 mo
2006-08 — 2006-08 5-N ENERGY 1 mo
1994-06 — 2006-07 NOBLE & CANTRELL EXPL. CO., INC. 146 mo
1993-01 — 1994-05 NCEC, INC. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST OPERATING INC.-TYLER16,3931985-04-19
4DSOUTHWEST OPERATING INC.-TYLER15,7001983-04-28
342-499-02609SOUTHWEST OPERATING INC.-TYLER------