Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Sep 17, 1996

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

—

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Jul 9, 1996

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Dec 31, 1996

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Feb 25, 1997
WELL PERFORMANCE ANALYSIS

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Nov 7, 1995
DISCOVER

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Sep 5, 1995
HYPERVISION

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Sep 5, 1995
TEAM TECHNICAL ENGINEERING APPLICATION MANAGER

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Nov 22, 1994
LITE

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Mar 7, 1995
DWIGHT'S ENERGYDATA

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Aug 9, 1988
DCOM

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Mar 18, 1986
DPLOT

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Sep 16, 1986
DGRAPH

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

Mar 25, 1986
DECON

Electrical and Scientific Apparatus

Owner

DWIGHT'S ENERGYDATA, INC.

—
MORNING REPORT

Paper Goods and Printed Matter

Owner

DWIGHT'S ENERGYDATA, INC.

Aug 13, 1985
HOTLINE ENERGY REPORTS

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Aug 27, 1985
ENERGYDATA

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC

—
DWIGHT'S OIL & GAS REPORTS

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Aug 26, 1986
LEARDATA INFO-SERVICES

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

Apr 8, 1986
DWIGHT'S PDS SERVICES

Computer and Scientific

Owner

DWIGHT'S ENERGYDATA, INC.

—
LEARDATA

Advertising and Business

Owner

DWIGHT'S ENERGYDATA, INC.

Oct 15, 1985