Engineer Power Plant

NAME: AUBREY LEONARD NUGARA

ADDRESS : **** *********** *****, *******, ***** 77082

Telephone No: 281-***-****

Email; ablpkf@r.postjobfree.com and ablpkf@r.postjobfree.com

SUMMARY OF EXPERIENCE:

Over forty years of engineering experience, more than fifteen years in lead

positions, in the areas of research and development, design and

application, maintenance, troubleshooting and repair of rotating equipment

systems. Background includes engineering experience with four major

engineering and construction firms, two major manufacturers of turbo-

machinery, and five major users within the petroleum, petrochemical and

power generation industries. Spectrum of machinery experience includes

centrifugal, axial, reciprocating and screw compressors, steam and gas

turbines, Pelton and Francis hydraulic turbines, centrifugal and

reciprocating pumps, gas engines, induction and synchronous motors, gear

boxes, gas and liquid expanders and their associated service systems.

PROJECT TYPES:

Petrochemical

Refinery

Utility Power Plants

LNG Liquefaction

Tar Sands and Heavy Oil Recovery

Pipeline

Reinjection

CO2 Sequestering

ACTIVITIES:

Senior Principal -

Rotating Equipment

Independent Consultant -

Rotating Equipment

Chief Mechanical Engineer

Chief of Computer Operations

Research Aero-Thermodynamacist

PERSONAL DATA/EDUCATION:

Rugby College of Engineering Technology

B.Sc. (Hons) Mechanical Engineering

Post Grad. Diploma in Turbine Technology

LANGUAGES:

German

FOREIGN EXPERIENCE:

England, France, Switzerland, Germany

Canada, Saudi Arabia, Libya, Thailand,

New Zealand, Malaysia, Belgium, Nigeria,

Japan, Italy, Australia, Egypt

EMPLOYMENT HISTORY

Semi Retired Consultant July 2009 - Present

Kellogg Brown & Root 1989 - July 2009

SNC - Foster Wheeler 1986 - 1989

Independent Consultant 1983 - 1986

Fluor 1978 - 1983

Ralph M. Parsons 1976 - 1978

The Brown Boveri Corporation 1971 - 1976

General Electric Company 1968 - 1971

CAREER HIGHLIGHTS:

SEMI-RETIRED CONSULTANT JULY 2009 - PRESENT

Trouble Shooting of Seawater Intake Pump vibration problems at YLNG's LNG

Facility in Yemen - units involved three Electric Motor Drivers, each

driving a Flowserve Vertical pump rated at approx. 1 mw.(Note; this was

completed as a consultant to my old company KBR after my retirement in July

of 2009).

KELLOGG BROWN AND ROOT 1989-2009

Senior Principle Machinery Technology

Responsible for all aspects of machinery technology including

specification, bid evaluation and selection, performance testing

troubleshooting and commissioning of rotating equipment systems. Required

to plan and co-ordinate machinery work for major projects. Directs

personnel to achieve project objectives.

Assignments include:

. Commissioning, Startup, and Trouble shooting of Ammonia Refrigerant,

Primary Process Air and Syn-Gas Centrifugal Compressors, Ammonia Screw

type Compressors, Steam Turbine Drivers, Forced and Induced Draft Fan

trains, Pumps applicable to Boiler Feed Water, Cooling Water, Ammonia

Transfer, and Benfield Solution for Egyptian Basic Industries Corporation

(EBIC) Ammonia Facility located in Ain-Soukhna Egypt.

. Feed and Specification of Compressors, Gas Turbines, Motors, Pumps and

Liquid Ring Compressors for CO2 sequestering and CO2 reinjection at

Santos facilities in Moomba, and Tirawarra Australia. Work was conducted

at KBRs' Adelaide Australia Facility

. Specification for all rotating equipment for NLNGs' Train 7 and 8 LNG

liquefaction plant at Bonny Island Nigeria. Each of these being capable

of delivering 8 million tons per year of LNG - the largest in the world.

Work conducted at KBRs' MWKL London Facility

. Erection and commissioning of mixed refrigerant and propane compressor

Trains for Nigeria LNG in Bonny Island. Equipment included GE Frame 7

driven axial and centrifugal compressor strings, GE Frame 6 driven

Generator strings, Liquid expanders, Motor driven Flash Gas and Chiller

compressors. Surge Testing, FFT vibration analysis and Baseline

signatures for all gas turbine and motor driven compressor trains. -

NLNG's Expansion Project - LNG Trains 6.

. Senior Principal Engineer assigned to KBR's MWKL Offices to develop Front

End Engineering Design (FEED) for the major rotating equipment items

associated with Trains 7 and 8 at NLNG's Bonny Island Facility. Each

train to be designed to produce 8.5 to 9.0 million tons per annum -

making it the largest in the world. Major rotating equipment include

eight GE Frame 7 driven compressor trains using variable speed

starter/helper motors, four GE Frame 9 driven generator trains, eight

cryogenic liquid expander/generator trains, Two End Flash Gas compressor

Trains using variable speed drive motors, Four Expander/Compressor

trains.

Front End Engineering Design (Feed) for OKLNG - Salient feature being the

development of the propane compression process to suit three side stream

propane compressor for Frame 9 drive.

. Erection and commissioning of mixed refrigerant and propane compressor

Trains for Nigeria LNG in Bonny Island. Equipment included GE Frame 7

driven axial and centrifugal compressor strings, GE Frame 6 driven

Generator strings, Liquid expanders, Motor driven Flash Gas and Chiller

compressors. Surge Testing, FFT vibration analysis and Baseline

signatures for all gas turbine and motor driven compressor trains. -

NLNG's Expansion Project - LNG Trains 4 and 5

. Assigned to MWKL in London (August 2003 to May 2004) to conduct Shop

mechanical, performance, and full load full speed string tests for Frame

7 driven mixed refrigerant and compressor strings and Motor driven End

Flash Gas compressor strings. Equipment intended for NLNG's Trains 4 and

5 LNG complex in Bonny Island Nigeria. Testing conducted at Nuovo

Pignone's facilities in Italy (Florence and Massa), and Siemens

facilities in Germany.

. Erection and commissioning of mixed refrigerant and propane compressor

Trains for Nigeria LNG in Bonny Island. Equipment included Frame 7

driven axial and centrifugal compressor combination, and Frame 6 driven

centrifugal compressor. Surge Testing, FFT vibration analysis and

Baseline signatures for all gas turbine and motor driven compressor

trains. - NLNG's Expansion Project - LNG Train 3

. Specification and evaluation of an Air Compression string driven by a

General Electric Frame 7 Gas turbine rated at 82.0 MW for an Air

Separation Plant associated with Methanex's Methanol plant located in

Western Australia.

. Commissioning and trouble shooting six General Electric LM6000 driven

Generator strings site rated at 45MW for Commonwealth Chesapeake's power

plant at New Church Virginia. Four of these strings included SSS 260T

synchronizing clutches to enable generating and condensing mode

operation.

. Trouble shooting three Solar Mars Driven Compression strings at Shell's

Obigbo, Agbada, and Imo River gas plants located near Port Harcourt

Nigeria.

. Debottlenecking Feed Package for Qatar Liquefied Gas Company's LNG

facility in Ras Laffan Industrial City, Qatar. Primary task being the up-

grading of fifteen existing compressor trains to accommodate gas turbine

up-rate from the current MS5382(C) version to the MS5432(D) level. The

intent being to increase LNG production by approximately 30%.

. Resident Engineer in Nuovo Pignone's Florence Facility for monitoring

Compressors and Gas Turbines relating to Petronas's Tiga LNG Plant and

Nigeria LNG 's third train in Bonny Island.

. Erection and commissioning of mixed refrigerant and propane compressor

Trains for Nigeria LNG in Bonny Island. Equipment included Frame 7

driven axial and centrifugal compressor combination, and Frame 6 driven

centrifugal compressor. Surge Testing, FFT vibration analysis and

Baseline signatures for all gas turbine and motor driven compressor

trains. - NLNG's Base Project - LNG Trains 1 and 2.

. Resident Engineer at Dresser-Rand's Olean New York Facility for

monitoring manufacture and testing of Two Frame 7 driven Mixed

Refrigerant compression strings and Two Frame 6 driven Propane

compression strings.

. Project specification for Oman LNG project. Primary area being General

Electric Frame 7 and Frame 6 driven axial and centrifugal compressors,

and generators.

. Engineering Proposal for Snohvit LNG project. Principally concerned with

feasibility of LM 6000 in mechanical drive application.

. Injection facility for Sonarco. Primary area being development of the GE

Frame 5 Model D for injection compressor drive.

. Project Specification Rewrite for Nigeria LNG Project in favor of the

APCI process. Primary area being rotating equipment. In particular

Frame 7 and Frame 6 driven axial and centrifugal compression equipment,

and generators.

. Qatar LNG F.E.E.D. Project.

Major equipment included:

- MS5382C gas turbine driven MCR HP, MP, and LP compression strings

- MS5382C gas turbine driven propane refrigeration strings

- PG6541B gas turbine driven generator strings

. Nigerian National Petroleum LNG Project using Tealarc Process, consisting

of two identical process trains designed to process 2.25 million metric

tonnes of LNG per year, with associated onsite and offsite support

facilities.

Equipment included:

- Liquefaction compression strings comprising of G.E. Frame 7 and ABB

type 11N gas turbines driving the tandem combination of axial and

barrel centrifugal compressors - power 79 MW.

- Developed feasibility study for Frame 7 in mechanical drive

application.

- G.E. Frame 5 driven pre-cooling compression strings.

- Boil-off gas compression strings

- Cryogenic liquid expander - generator strings

- Frame 6 driven generation

- Deep Downhole pumps

- Cryogenic LNG Loading and Transfer Pumps

- Nitrogen Plant, Marine Loading Arms, Overhead Cranes

. MTBE complex including turbo expander generator strings and hydrogen make-

up compressor strings.

. Ethylene

SNC - FOSTER WHEELER 1986-1989

. Straddle plants - ethane/butane liquefaction

. Tar sands and heavy oil recovery - Syncrude Fort McMurray, Husky Oil

Lloydminster

. High Pressure Gas Injection

. Combined Cycle Power Plant with Steam Turbines driving pipeline

compressors

INDEPENDANT CONSULTANT 1983-1986

. Operating process plant

Responsible for maintenance, troubleshooting, diagnostics, repair and

optimization of operation of rotating equipment trains. Other

responsibilities included the training of personnel in diagnostic

techniques and the design of preventative maintenance programs. Typical

rotating equipment systems included:

. Gas turbine power plants

. Pipeline compression stations

. Electrical submersible pumps - ESP's

. Multi-component refrigerant compressors in LNG application.

. Reciprocating compressors

. Water flood

. Combined cycle GT plants using HRSG's

FLUOR 1978-1983

Natural Gas re-injection

- Over 90 individual gas turbine driven centrifugal compression trains

in various areas with injection pressure in the range 3000-5500 psig.

Gas turbines include aero derivatives and industrials in the power

range 10000 - 30000 hp.

- Troubleshooting and diagnostics for injection unit discharging at

10000 psia - sub synchronous whirl problems.

. Ethane re-injection

- Worlds first motor driven centrifugal string discharging at 3500 psi

and absorbing 15000 hp

. Coal gasification and air separation

- Motor and steam turbine driven centrifugal strings in ammonia and

methanol services, 7000 hp - 19000 hp.

- Motor driven centrifugal strings in air, oxygen and nitrogen service,

approximately 7000 kW - 13000 kW.

. Gas plants

- Large synchronous motor driven centrifugal strings in propane service,

approximately 22 units in the power range 17000 - 27000 hp.

- Development of hybrid couplings for synchronous drive service.

- Development of math modeling techniques for transient torsional

analysis.

. Other processes

All types of turbo and reciprocating machinery related to the following

processes; fluid catalytic cracking, ethylene oxide, hydrodewaxing,

miscible flood, tertiary water flood, LNG, ammonia, methanol, hydro-

desulphurizing, MTBE, delayed coking, off shore reinjection and power

production, hydrogen production.

RALPH M PARSONS 1976-1978

Front end Design and engineering, specification and shop testing of

rotating equipment

associated with a hydrocracker for Shell's Shellhaven Plant located in

Milford England

THE BROWN BOVERI CORPORATION 1971-1976

Design and Layout of power plant Steam Turbines and Generators, including

the associated Feed

Heating Cycles.

Unit sizes included:

. Single casing 60 MW designs

. Multi Casing Tandem configured Designs suitable for the 200MW to 300MW

range

. Multi Casing Tandem configured (HP+MP+3 LP casings) for the 600MW to

900MW range

. Multi Casing Cross Compound configured units for the 600MW to 1200MW

range

The GENERAL ELECTRIC Company 1968-1976

General responsibilities, as research aerodynamacist and aero-thermodynamic

engineer, included the design of steam and gas turbines, development of

aerodynamic profiles for operation in the supersonic, subsonic and

transonic regimes and the development of mathematical techniques for

solving the elliptic, parabolic and hyperbolic problems as related to

turbomachinery internal aerodynamics, blade vibration, and rotor dynamics.

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