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SIERRACOL ENERGY

 * About us Menu Toggle
   * Our culture
   * Our leadership
 * Our assets Menu Toggle
   * Caño Limón Area
   * Central Llanos
   * Middle Magdalena
   * Putumayo
 * ESG
 * Investors
 * Working with us
 * Media
 * Contact


SierraCol Energy
Main Menu
 * Home
 * About us Menu Toggle
   * Our culture
   * Our leadership
 * Our assets Menu Toggle
   * Caño limón
   * Central Llanos
   * Middle Magdalena
   * Putumayo
 * ESG
 * Investors
 * Working with us
 * Media
 * Contact


A LEADING


INDEPENDENT OIL


PRODUCER IN


COLOMBIA



Presence in the main basins in Colombia with assets located close to strategic
infrastructure


Our assets


ABOUT US

Company
Briefing


2021 SUSTAINABILITY REPORT

Download our latest Sustainability Report


MEDIA

SierraCol at
a glance


CARBON FOOTPRINT REDUCTION



We are committed to reducing our carbon footprint by 50% by 2023 (scope 1 and
scope 2) with an aspiration to be carbon neutral by 2030 and eliminate the
routine gas flaring by 2025.

ESG



OUR COMMUNITIES

We are deeply committed to improving the living conditions of our neighboring
communities.

Social




PEOPLE & CULTURE



At SierraCol Energy we provide opportunities to unleash people’s potential in a
diverse and inclusive work environment while creating innovative solutions that
add value to our operations, communities and stakeholders.

Working with us



EXPERIENCED MANAGEMENT TEAM



Best in class leaders for a best in class company.

About us


 * About us
 * Our assets
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 * Working with us
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CONTACT



 * Calle 77 A # 11-32
 * Bogotá, Colombia



 * Switchboard:
 * (57 1) 345 41 55





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SAVE & ACCEPT




2021 SUSTAINABILITY REPORT


DOWNLOAD OUR LATEST SUSTAINABILITY REPORT




SPANISH VERSION


SUSTAINABILITY REPORT 2021-ES.PDF





ENGLISH VERSION


SUSTAINABILITY-REPORT-SIERRACOL-ENERGY-2021-ENG.PDF





OSCAR
GIL


JOINT VENTURE AND PIPELINE MANAGER

On 1 March 2021, Oscar Gil was appointed Joint Venture and Pipeline Manager of
SierraCol Energy.

After successfully managing the transition from Occidental Petroleum Corporation
(OXY), Oscar was appointed Joint Venture and Pipeline Manager of SierraCol
Energy to represent and safeguard the Company commercial interests with key
stakeholders, including the national oil company Ecopetrol, and ensure the
evacuation and commercialisation of SierraCol’s production.

Oscar Gil recently completed 15 years of successful professional career with
Occidental de Colombia, performing different positions including Joint Venture
Sr Co-ordinator and Manager Asset Integrity for all OXY operations in Colombia.

Oscar is a Mechanical Engineer from the Universidad de los Andes in Bogotá and
has a postgraduate degree in Project Management with a line of specialisation in
the oil and gas sector with the University of Liverpool.


JOHN BOLLING


NORTHERN LLANOS OPERATIONS VP

John Bolling is currently the Vice President Operations Northern Llanos (LLN) of
SierraCol Energy, responsible for the operation and development of one of
Colombia’s largest oil fields.

John has over 35 years of US and international experience with Occidental and
ARCO. He joined OXY in 2000 as the Development VP for OXY Long Beach’s
operations, oversaw redevelopment of the Bahrain field as the Subsurface Manager
for joint venture Tatweer Petroleum, and was the Asset Development Manager for
operations in Qatar. He transferred to Colombia in 2018.

John held multiple assignments with ARCO including Group Manager within the
Reservoir Research and Technical Services organisation in reserves,
multi-discipline studies and technology development. He participated in
strategic studies to assess growth opportunities including development of
deepwater oil fields, and assessed and implemented a company-wide technology
strategy. He was Supervisor of reservoir and operations engineering groups for
the Kuparuk River field in Alaska directing miscible flood projects,
co-ordinated optimisation of field operations, and led construction of field
strategic plans and reserves, and execution of field development activities.

John received his BS in Chemical Engineering from the University of
Wisconsin–Madison, an MS in Chemical Engineering from the University of
Minnesota–Minneapolis and completed the Anderson School of Management Executive
Program at UCLA.


BOB
MAGUIRE


MANAGING DIRECTOR FOR CIEP

Bob Maguire, Managing Director for CIEP, is focused on further developing and
growing Carlyle’s international energy platform. He is based in London.

Recently, Mr Maguire was a Partner at Perella Weinberg Partners, but prior to
that worked as an Investment Banker for over 21 years at Morgan Stanley and was
involved in many of the largest transactions within the sector.

Mr Maguire holds an AB from Princeton University, an MA from Oxford University,
and a JD from the University of Virginia School of Law.


TONY
HAYWARD


EXECUTIVE CHAIRMAN

Tony Hayward is the first Chairman of SierraCol Energy since the beginning of
the Company in 2020. He is an experienced energy executive and Chairman of
Glencore, a Managing Partner of St James’s Asset Management LLP, and Chairman of
a number of private companies.
 
Tony was Group Chief Executive of BP from 2007 to 2010 having joined BP in 1982
as a rig geologist in the North Sea. Following a series of roles overseas he
joined the Exploration and Production Executive Committee in 1997.  He became
Group Treasurer in 2000, Chief Executive for BP’s E&P business and a member of
the Main Board of BP in 2003.

Tony studied Geology at Aston University in Birmingham and completed a PhD at
Edinburgh University.  He is a Fellow of the Royal Society of Edinburgh and a
visiting Professor in the School of Geosciences at the University of Edinburgh,
and holds honorary doctorates from the University of Edinburgh, Aston
University, the University of Birmingham and Aberdeen’s Robert Gordon
University.


HEATHER MITCHELL

Partner, Managing Director and General Counsel for Investments

Heather Mitchell is a Partner and Managing Director and Carlyle’s Chief Risk
Officer, chairing the firm’s Risk Committee. She is also global General Counsel
for Investments and Head of the firm’s EMEA region. She is based in London.

In November 2020, Ms Mitchell was included in Financial News’ list of 50 Most
Influential in European Private Equity. In 2019, and again in 2020, Ms Mitchell
was named in the 100 Most Influential Women in European Finance by Financial
News. In 2019, Ms Mitchell was named in the inaugural Chambers GC Influencers
Global 100.

This prestigious list highlights the top 100 most influential in-house lawyers
globally, and Ms Mitchell was singled out as an industry pioneer. In 2018 she
was named Individual General Counsel of the Year by Legal 500. Ms Mitchell was
named in the GC Powerlist for 2018 and 2019 whilst also being selected for The
Hot 100 list in 2019.

Ms Mitchell received her JD from the Cornell School of Law and her undergraduate
degree from the State University of New York at Binghamton. Ms Mitchell
currently sits as a board member of the Cornell Law School.


ERIC FAILLENET


DIRECTOR AT CIEP

Eric Faillenet has over 25 years’ experience in the oil and gas industry.

Prior to joining Carlyle International Energy Partners in April 2014, Mr
Faillenet was Africa Regional Manager with Perenco, an independent oil and gas
company with gross production of over 400,000 boed and operations in 15
countries in Africa, Latin America, the Middle East, the UK and Vietnam.

Mr Faillenet is a graduate of Ecole Centrale de Lyon in France and has an MSc in
Electronic Control Engineering from Salford University, England.


ALEJANDRO PIÑEROS


CFO

On August 15, 2022, Alejandro Piñeros Ospina was appointed Chief Financial
Officer of SierraCol Energy.

Before this appointment, Alejandro held CFO and other Financial and Planning
positions in multiple organizations, including: Frontera Energy where Alejandro
was CFO, VP of Planning, and Finance Director; Banco Credifinanciera (CFO),
Puerto Bahia (CFO), Summum (CFO), and Essentia (CFO). Alejandro also worked as a
consultant in McKinsey & Company and Booz Allen & Hamilton.

Alejandro holds a B. Sc. In Industrial Engineering from Los Andes University in
Bogotá and a MBA in Finance from Columbia University in New York.


BERNARDO ORTIZ


CEO

On 18 December 2020, Bernardo Ortiz was appointed Chief Executive Officer of
SierraCol Energy.

Before this appointment, Bernardo Ortiz completed more than 15 years of
successful professional career with Occidental Petroleum Corporation (OXY),
performing different positions: Vice-President Business Development for Latin
America, Vice-President Planning and Evaluation for OXY USA and OXY Long Beach
and Operations Manager of Worldwide Engineering and Technical Services
Vice-Presidency.

Bernardo Ortiz completed a BS in Economics at Universidad Externado de Colombia,
a Master of Science in Public Policy at the University of London, Queen Mary
College, and a Master of Science in Management at the London School of
Economics.

In addition, he specialised in Petroleum at the Colorado School of Mines.


RICARDO ÁLVAREZ


SENIOR OPERATIONS VP

In 2019 Ricardo Álvarez was appointed Senior Operations VP for Occidental de
Colombia, today SierraCol Energy, LLC, being responsible for the complete
operation of the company in the country.

Ricardo joined Occidental de Colombia in 1982 as an intern and during his 39
years of successful professional career he has played important roles in both
onshore and offshore operations in Colombia, Ecuador and Qatar, in areas such as
project management, artificial lifting, production surveillance, completions
engineering, stimulation technologies and sand control techniques.

In 2006 Ricardo assumed the challenge to maximise production while counteracting
the natural decline of the Northern Llanos field as Operations VP and in 2010 he
was also designated to lead the operations team for the Middle Magdalena Valley.

Ricardo holds a BS in Petroleum Engineering from Universidad Industrial de
Santander.


MÁBEL LARA


CORPORATE AFFAIRS VP

On August 16, 2022, Mábel Lara was appointed Corporate Affairs VP of SierraCol
Energy.
 
Mábel is a journalist. She has been recognized eight times as the best news
anchor in Colombia and deserving of the prestigious Simón Bolívar Journalism
Award. She has a recognition by the Swiss government and the United Nations as a
Latin American leader who inspires “First Generation”.
 
She has extensive experience in several Colombian media such as Cadena Caracol
Televisión, Noticias Uno and Caracol radio. She has been a columnist for the
newspaper El País and has been a Washington correspondent for the group Prisa
Radio.
 
She has a specialization in Social Development Management from the Javeriana
University, a Master’s degree in Political Science and International Relations
from the El Rosario University and a scholarship holder of the Innovation &
Leadership in Government Program of Georgetown University (ILG).
 
She was a Senate candidate for the New Liberalism. She is a Senior Advisor to
international cooperation agencies such as USAID, Government of Sweden,
International Colombian Chamber and Plan Foundation.


FRED WATCHORN


EXPLORATION AND BUSINESS DEVELOPMENT VP

On 5 May 2021, Fred Watchorn was appointed Exploration and Business Development
VP of SierraCol Energy.

Fred has more than 25 years’ upstream energy experience, predominantly in
Colombia, the Middle East and SE Asia.

He joined SierraCol Energy as part of the merger with COG Energy where he was
COO and in charge of BD and exploration.

He has previously held key roles in Colombia with OXY, Canacol and Platino and
worldwide with Tullow Oil, OXY and Nexen. He has a degree in Geology from
University College Dublin, an MSc in Geophysics from the University of Durham
and a PhD from the University of London.


HORACIO ROSSIGNOLI


MIDDLE MAGDALENA
OPERATIONS VP

On 3 June 2021, Horacio Rossignoli was appointed Middle Magdalena Operations VP
of SierraCol Energy, being responsible for managing the operation and
development of La Cira Infantas, Teca-Cocorná, Bolívar and Bocachico blocks.

Horacio has more than 30 years of experience in the upstream oil and gas
industry, predominantly in Argentina, the US and Ecuador.

Horacio has previously held multiple assignments with OXY as VP of Development
for OXY Argentina’s assets and VP of Development for OXY Long Beach’s
operations, as well as being General Manager of Vintage Oil Ecuador operations
and holding several other key roles for Amoco Argentina, Vintage Petroleum,
Sinopec Argentina, President Petroleum and Petroquímica Comodoro Rivadavia.

Horacio received his BS in Civil Engineering from the Catholic University of
Argentina (UCA), and completed a postgraduate degree in Economic Evaluation of
Oil and Gas Projects and the Leadership Training of the Management Executive
Program at IAE (Austral University).


LUIS CARLOS PABÓN


SUSTAINABILITY VP

On 5 May 2021, Luis Carlos Pabón was appointed Sustainability Vice President of
SierraCol Energy.

Since the beginning of his professional career as an intern in 1997, Luis Carlos
Pabón held positions of increasing responsibility in different key business
areas of OXY: Maintenance and Construction Supervisor, Pipeline and Terminal
Team Leader, Joint Ventures Co-ordinator, Security Leader, Supply Chain Manager,
Llanos Norte District Field Manager and LCI Project Director.

The diversity of his professional background, along with his multifaceted career
of more than 24 years in the industry, provides a comprehensive view to material
issues for SierraCol’s ESG approach.

Luis Carlos Pabón is a BS Civil Engineer at Universidad de la Salle in Bogotá,
holds an Executive MBA from IE Business School of Spain, specialised in Project
Management at EAN University and holds a master’s degree in Petroleum
Engineering from Universidad de los Andes, Colombia.


ALEJANDRA CASTAÑO


PEOPLE, CULTURE & SERVICES VP

On 15 October 2021, Alejandra Castaño was appointed Human Resources and
Administration Vice President of SierraCol Energy.

Alejandra has more than 20 years of experience in human resources at a national
and international level.

Before this appointment, Alejandra had a successful professional career with
Occidental Petroleum Corporation (OXY), performing positions of increasing
responsibilities such as HR Director for International and Gulf of Mexico, HR
Manager for International Operations, Human Resources Consultant for Permian EOR
Operations, Expat Relations and Services Manager for OXY Oman, Head of Human
Resources and Administration for OXY Bahrain, Employee and Organisational
Development Consultant for OXY Corporate in Houston, Libya and the United Arab
Emirates, and Human Resources Co-ordinator for OXY Colombia. Prior to that,
Alejandra worked for Unisys, Sun Microsystems and Quala SA in Colombia.

Alejandra Castaño holds a bachelor’s degree in Psychology from Universidad De
Los Andes in Colombia and a master’s degree in International Management from
Oxford Brooks University in the UK.


JULIANA HOYOS


GENERAL COUNSEL

On 18 December 2020, Juliana Hoyos was appointed General Counsel of SierraCol
Energy.

Juliana is a licensed Colombian lawyer. She joined the Company in 2011 and has
since supported the Legal department as an Attorney. Prior to joining SierraCol,
Juliana was an Associate at a leading Colombian law firm, where she practised in
mergers and acquisitions and general corporate matters.

Juliana is an attorney-at-law (JD equivalent), graduated from Universidad de los
Andes, with a minor in Finance, and has a Corporate Social Responsibility
specialisation from Universidad Externado de Colombia.




CAÑO LIMÓN AREA


SEE MORE



Caño Limón is a world-class reservoir that regained Colombia its status as a net
oil exporter.

We operate the Cravo Norte, Rondón, Chipirón and Cosecha contracts. These fields
have a cumulative historical production over 1.5 billion barrels.

We are also partners with Ecopetrol in the exploration blocks Llanos 39 and
Llanos 52.





BLOCKS:


1. CRAVO NORTE
3. COSECHA
5. LLANOS 39



BLOCKS:


2. CHIPIRÓN
4. RONDÓN
6. LLANOS 52



MIDDLE MAGDALENA


SEE MORE



La Cira Infantas is the oldest and among the best understood clusters of fields
in Colombia. It has been in production since 1918, with a total historical
cumulative production of approximately 900 mmboe.

It operates under an enhanced water injection oil recovery project. In the area
we also operate the Bolívar licence, in which we hold 100% WI.





BLOCKS:


1. BOLÍVAR

3. TECA-COCORNÁ



BLOCKS:


2. LA CIRA INFANTAS


CENTRAL LLANOS


SEE MORE



We hold 100% WI in LLA-23, Rio Verde, Los Hatos and Alcaraván blocks that were
included with the COG Energy integration.

With these blocks we have an operating hub in CLL with additional near-term
drillable upside opportunities.





BLOCKS:


1. LLA 23
3. ALCARAVÁN


BLOCKS:


2. RIO VERDE
4. LOS HATOS


PUTUMAYO


SEE MORE



We participate in exploration activities in six blocks in association with
GeoPark. They are similar to the most prolific fields discovered across the
border in the Oriente basin in Ecuador.

Proximity to existing production facilities and evacuation routes, reducing the
time to market.





BLOCKS:


1. PUTUMAYO 8
3. MECAYA
5. TERECAY


BLOCKS:


2. PUTUMAYO 36
4. PUTUMAYO 9
6. TACACHO



2020 SUSTAINABILITY REPORT


DOWNLOAD OUR LATEST SUSTAINABILITY REPORT




SPANISH VERSION


ESPAÑOL IS SIERRACOL ENERY INTERACTIVO (2).PDF





ENGLISH VERSION


SUSTAINABILITY-REPORT-SIERRACOL-ENERGY-ENG.PDF




MARCEL VAN POECKE


MANAGING DIRECTOR AND HEAD OF CIEP

Marcel van Poecke is a Managing Director for Carlyle International Energy
Partners (CIEP) and is Head of the CIEP.

Having more than 25 years of experience in the energy sector, Marcel van Poecke
is primarily an entrepreneur, investor and executive manager. He is Chairman of
AtlasInvest, a private holding company he founded in 2007. AtlasInvest is
engaged in investments across the broad energy spectrum.

Mr van Poecke has a degree in Agricultural Business Administration from the
University of Wageningen and an MBA from the William E. Simon School of
Management of the University of Rochester.