Clif Hefner 0419 029 622 • cchefner@tara-source.com Page 1

Profile Senior technical & operations manager with experience in oil & gas exploration & development, oil & gas field

operations, petroleum engineering, business development, project management, and non-operated joint

venture management. Lead substantial assets in a wide range of geographic, cultural and geopolitical

environments. Strong background in front-end engineering in onshore and offshore fields with conventional and

unconventional oil & gas assets. Senior manager/owner/director in industries of beef cattle agriculture, power

generation, and aviation training. As an Adjunct Professor QUT, developed and delivered corporate, graduate

and undergraduate education programs.

Professional Summary Significant oil & gas sector experience with a decade in leadership positions driving commercial value

through CSG field exploration & development in Australia and oil & gas assets in South East Asia.

Management and leadership in other industries of beef cattle agriculture (owner/producer), power

generation (Director), university education (Adjunct Professor), and aviation training (Director).

Proven track record in operations and project leadership combined with process and efficiency

improvement and establishing, managing and maintaining high safety, environmental and statutory

compliance standards.

Focus on commercial, asset management and engineering excellence in project delivery in conventional

and unconventional reservoir environments through strategic planning, goal setting, team leadership,

stakeholder management and budget control.

Significant experience in JV management of non-operated offshore and onshore assets including

exploration, appraisal and operations at $100+ million scale.

Sound background in petroleum engineering and in the delivery of commercial solutions through

management of technology, geoscience and engineering operations worldwide with organisations

including Chevron, El Paso, Sunshine Gas and Blue Energy.

Career History PROJECT MANAGEMENT and OIL & GAS CONSULTANT

Independent (Brisbane, Qld)

Feb 2014 - Current

www.tara-source.com

Consultant to oil and gas industry in petroleum production engineering (well completions, well stimulation,

production data analysis and management, etc.), project design and development from concept to

production, oil and gas exploration planning and field implementation, and oil and gas production

operations. This includes conventional, unconventional, and coal seam gas reserves and resources.

Consultant to various industries on complex project design including stakeholder identification &

management; project risk identification & management; project design optimization & selection; project front-

end engineering through to financial investment decision (FID); project construction and implementation; and

follow-on operations.

Contractor to manage production data for various agricultural clients.

During 2014 and 2015, QUT Adjunct Professor who developed and delivered undergraduate unit UXB120

“Introduction to Heavy Engineering Sector Technology” for the Civil Engineering and Built Environment School.

In addition for the masters course in project management, completed development and delivered units of

PMN503 “Systems in Project Management” and PMN604 “Strategy and Projects”.

Owner / Principal for Aserlay Farms which is a small Charolais Beef Cattle Stud. Aserlay Farms was a greenfield

start-up on a rundown property. It is in its early years of property rebuild & enhancement, cattle genetic

selection and development, and market development.

Clifton Hefner

PO Box 1147 • Maleny • QLD • 4552 : 0419 029 622 : cchefner@tara-source.com

Clif Hefner 0419 029 622 • cchefner@tara-source.com Page 2

HDR SALVA RESOURCES Aug 2013 – Jan 2014 www.hdrsalva.com

HDR Inc. (a US based global engineering firm) acquired Salva Resources in 2013 to form HDR Salva Resources,

providing exploration, mining and engineering services at an international scale with about 200 staff in Australia.

General Manager Oil & Gas Services (Brisbane QLD)

Reported to the CEO. New role created on the HDR acquisition to develop HDR opportunity in the oil & gas

sector. One of five GMs making up the senior management team.

Developed relationships with internal and external stakeholders in business development seeking to

leverage Salva’s mining and HDR Inc.’s engineering strengths to broaden opportunity in the oil & gas sector.

Targeted oil & gas firms throughout QLD, NT, SA and NSW for land access, safety management,

environmental compliance, site construction, camp services, field geology, exploration drilling, exploration

permit evaluation & economics, water treatment, and other engineering services.

Provided management and technical advice on government regulations, land access & native title, well

designs, and remote drilling operations to a HDR Salva Resources client with petroleum exploration leases in

QLD and NT.

BLUE ENERGY LIMITED May 2010 – May 2013 www.blueenergy.com.au

ASX listed (ASX: BUL) small capital energy exploration company based in Brisbane holding 110,000km2 under

licence in the Cooper/Eromanga, Surat, Bowen, Georgina, Maryborough, Galilee and Wiso Basin hydrocarbon

fields.

Exploration & Production Manager (Brisbane QLD)

Reported to the CEO & Managing Director. Led Blue Energy’s CSG exploration, appraisal and pilot operations

to build contingent resources and convert to reserves. Annual operating budget $10 million: 10 full time plus up

to 50 contract staff.

Led all technical disciplines and field operations including geophysics, geology, field surveys, site civil

construction, drilling engineering, drilling operations, reservoir engineering, production engineering, facility

engineering, and associated contract administration. Also managed Blue Energy’s local and state

government permits and reporting, native title process, cultural heritage surveys, landowner relations and

land access, and community relations.

Drilled 18 of Blue Energy’s current 41 wells and developed 4 to pilot level in the Bowen Basin (ATP 814). Built

3C contingent resources to 3400 Bcf and 3P reserves to 200 Bcf.

Achieved a five year safety record milestone for Blue Energy of no employee or contractor LTIs.

Liaised with Blue Energy Board for investment decisions on exploration and appraisal activities and

evaluations; field works included trials on tight radius drilling and hydraulic fracture stimulation.

Served as Blue Energy’s representative on numerous QLD State committees for legislative updates (including

Environmental Authorities) to the Petroleum and Gas (Production and Safety) Act 2004, Land Access Code,

Water Act 2000, etc. Served as a spokesman for “small capital” petroleum exploration companies on State

Government committees on overlapping tenure.

OIL & GAS CONSULTANT

Independent (Brisbane, Qld)

Sep 2004 – May 2010

www.tara-source.com

Completed a number of engagements in Australia, Singapore and Indonesia for key oil & gas clients including:

AGL. Provided engineering and operations advice for due diligence study on AGL potential acquisition of

a percentage of Sunshine Gas CSG and other petroleum assets.

Sunshine Gas. As Project & Production Manager, led CSG field appraisal, operations and FEED for the

Lacerta field in Queensland. Also supported conventional O&G exploration opportunities.

o Completed CSG field development planning, pilot appraisal, contract services and front-end

engineering for development of the Lacerta Field with a $300 million development plan including

long-lead procurement items.

o Authored and implemented Sunshine Gas Safety Management and Emergency Response Plans.

o The Lacerta Field was to supply a new-built (by Sojitz) small scale (500,000 metric tons/yr) LNG plant

on Fisherman’s Island Gladstone.

o Queensland Gas Company (QCG) acquired Sunshine Gas for $830 million in 2009.

El Paso Production Company to Singapore Production Company (SPC). Joint Venture Manager for Australian

and Indonesian oil & gas assets through the $multi-million sale of the assets by El Paso to SPC. Following the

sale until full SPC staffing and handover, continued the JV management role under the SPC job title of

Production Operations Advisor reporting to the Vice President.

Clif Hefner 0419 029 622 • cchefner@tara-source.com Page 3

EL PASO PRODUCTION COMPANY Jul 2002 – Aug 2004 www.epenergy.com

El Paso was a US based oil & gas exploration, production and infrastructure corporation. Kinder Morgan acquired

El Paso in a $38 billion deal in 2012, retained infrastructure assets and subsequently sold the Production and

Exploration arm as EP Energy.

Joint Venture Manager (Brisbane & Indonesia)

Reported to the GM International Operations. Managed non-operated exploration, appraisal, development

and production assets for El Paso in South East Asia with an annual $8 million budget.

Provided non-operated joint venture management and El Paso economic assessment and business

planning for various permits operated by Santos and PetroChina in Indonesia.

Activities included offshore exploration and appraisal wells by Santos (El Paso’s share 40%) and onshore

exploration, appraisal and production operations by PetroChina. Provided key NOJV guidance into the

Santos FEED study for the $130 million development of the offshore Oyong Oil & Gas Field in Indonesia.

CHEVRON CORPORATION Jun 1978 – Jun 2002 www.chevron.com

US headquartered global integrated oil & gas, energy, engineering, infrastructure, power, and technology

corporation. Merged with Texaco to form ChevronTexaco in a $35 billion deal in 2001. Renamed to Chevron

Corporation in 2005.

Tertiary Assets Manager (Indonesia) 2000 – 2002

Reported to the GM Production Operations. Led project operation and engineering of two experimental

enhanced oil/tertiary recovery projects (light oil steam flood and surfactant polymer flood) in the Minas field,

Indonesia with capital of $75 million.

Modified operations to improve portfolio value by $25 million while implementing Chevron’s Safety

Management practices into the Indonesian workforce.

Saved $10-$100 million in capital expenditure by closing down uneconomic steam flood expansion.

Provided strategic business planning and economic guidance and training to Indonesian operations during

the merger of Chevron and Texaco.

Senior Staff Advisor/ Trouble-shooter 1996 – 2000

Reported to the Chief Engineer, International Operations as a senior advisor for troubleshooting and problem

solving on leadership and technical issues.

Subsurface Manager (Cairns QLD). Managed subsurface design, approval and project engineering for a $200

million development of the Moran Field in Papua New Guinea.

Concept Team Manager (Brisbane QLD). Led team to evaluate 95+ surface and subsurface alternatives,

which framed the $200 million new field development for the PNG Moran Field. This study was endorsed as

a Chevron best practice and presented at Chevron’s annual project management convention. JV

Technical Committee Chairman.

Deputy Project Manager (Papua New Guinea). Co-managed design and construction of a $40 million Moran

field extended well test. JV Technical Committee Chairman.

Production Engineering Supervisor (Nigeria). Led wireline and coiled tubing activities (helicopter and jack-up

rig) in Escravos, Nigeria.

Research Team Leader (CA USA). Managed multi-functional research team evaluating formation damage

in the offshore Angola Kokongo field. Developed and planned well stimulation programs (acid and

hydraulic fracture).

Technology Representative & Administrator (CA USA) 1993 – 1995

Reported to the VP Chevron Technology. Delivered and managed a new R&D funding system totalling $39

million annually (40% of the total R&D Budget). Awarded Chevron President’s Award for the design and

implementation of new business systems to interface Chevron’s research and development organisations with

the international oil & gas operating units.

Business Planning Manager (Melbourne VIC) 1990 – 1993

Reported to the MD Australia. Managed strategy and business planning for the new Australian business unit with

earnings of $200 million and re-investment of another $200 million. Served as JV Representative to Chevron’s

29% share of West Australian Petroleum Inc. (WAPET).

Petroleum Engineering Supervisor (Perth WA) 1987 – 1990

Clif Hefner 0419 029 622 • cchefner@tara-source.com Page 4

Seconded to West Australian Petroleum Inc. (WAPET) and reported to the Drilling & Production Manager.

Managed petroleum production engineering activities with an annual well workover budget totalling $7 million

for the remote onshore Barrow Island field. Planned, implemented and started the development of the offshore

Saladin field.

Senior Petroleum Engineer (CA USA) 1983 – 1987

Lead Petroleum Engineer (CO USA) 1982 – 1983

Organisation Analyst (CO USA) 1981 – 1982

Petroleum Engineer (WY USA) 1979 – 1981

Drilling Representative (CO USA) 1978 – 1979

Other Appointments & Employment QUEENSLAND UNIVERSITY OF TECHNOLOGY: Adjunct Professor 2005 – Current

Adjunct Professor for the development and delivery of QUT’s corporate and executive courses in the Shell

Project Management Academy for MBA, undergraduate, and corporate education programs.

ROYAL QUEENSLAND AERO CLUB: Non-Executive Director 2015 - Current www.rqac.com.au

Board member of Royal Queensland Aero Club (RAQC) which was formed in 1910 and continues to exist as one

of the longest established aero clubs and flight training schools in the world. RACQ owns and operates the Airline

Academy of Australia (AAA), and the Aviation Training Establishment for Aircraft Engineers (ATAE). Thousands of

students have earned RQAC wings since 1919. Our graduates are working in all fields of aviation throughout the

world.

ASERLAY FARMS: Owner/Primary Producer 2009 - Current www.aserlayfarms.com

Founder and owner of a Charolais and Brahman beef cattle stud in Maleny, Queensland.

STANWELL CORPORATION: Non-Executive Director 2009 - 2010 www.stanwell.com

Board member of Stanwell, Queensland’s largest electricity generator and owner of coal, gas and water assets.

Education & Qualifications BSc: Petroleum Engineering (Highest Honours) Univerity of Texas, Austin, TX, USA

Professional Accreditation & Memberships Member & Past Management Committee Member Society of Petroleum Engineers

Member & Graduate (GAICD) Australian Institute of Company Directors

Past President – Brisbane Division

Vice President – Australian Federation

Australian-American Association

Member Agforce, Meat & Livestock Australia (MLA),

and Charolais Society of Australia

Single engine fixed wing pilot USA FAA

Helicopter solo qualified CASA