BOATMEN'S TRUST COMPANY

Oil · District 04 · Lease #11664

Operator: ZAF OIL

Cum Oil

1k BBL

Cum Gas

43 MCF

casinghead

Wells

10

Production

1993-01 — 1998-05

Peak Month

1993-02

Production History

Cum Oil: 1,283 BBL Cum Gas: 43 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

67 BBL/mo

Di (annual)

96.0%

b-factor

0.1

EUR

915 BBL

R-squared

0.655

type

hyperbolic

Operator History (from monthly production reports)

1995-10 — 2026-07 QUEST RESEARCH & DEV. CORP. 370 mo
1995-01 — 1995-09 NOLT., J. 9 mo
1994-04 — 1994-12 ZAF OIL 9 mo
1993-11 — 1994-03 BRINKOETER GAS & OIL 5 mo
1993-01 — 1993-10 COASTAL SHORELINE CORP. 10 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9QUEST RESEARCH & DEV. CORP.18001982-06-29
7QUEST RESEARCH & DEV. CORP.17001982-01-25
10QUEST RESEARCH & DEV. CORP.18001980-10-09
6QUEST RESEARCH & DEV. CORP.18001980-10-09
8QUEST RESEARCH & DEV. CORP.18001980-10-09
2QUEST RESEARCH & DEV. CORP.18001980-04-09
3QUEST RESEARCH & DEV. CORP.18001980-04-09
4QUEST RESEARCH & DEV. CORP.18001980-04-09
5QUEST RESEARCH & DEV. CORP.18001980-04-09
1QUEST RESEARCH & DEV. CORP.17501979-07-23