SENIOR

RESERVOIR ENGINEER

NAME: ANDRES LEANDRO HERNANDEZ VIÑA

C.E: 4610671

PASSPORT: 082879756

NATIONALITY: VENEZUELAN

CIVIL STATUS: MARRIED

Phone/WA: +57-313-***-**-**

ADDRESS: Street 139 # 94-90 Residence San Marco T7 Apart. 227, Sector Suba Bogotá D.C. COLOMBIA IDIOMS: SPANISH (Native). ENGLISH (Expert). FRENCH (Basic) ABSTRACT

Petroleum Engineer with 9 years of experience in the oil and gas industry, trained in the Reservoir area with extensive knowledge in well performance, production and exploration of extra heavy crude for horizontal wells with a BCP lifting system. As a strength technical skill, it has the ability to handle large volumes of data in Excel (Expert Level) and / or software for interpretation in different areas such as: monitoring of wells, diagnosis of abnormal parameters of well performance, well testing (Analysis of pressure tests), well testing (planning, design and interpretation of production tests per well, cluster, zones and field in general), calculation of field potential, evaluation and implementation of EOR (planning, design and interpretation of new technologies ).

Technically prepare for:

Evaluating and validating rock fluid properties and apply them to the understanding of the reservoir and its productivity per well, cluster and field.

Strong criteria about well productivity for take decisions with geosciences department and define new drill proposals. Also, strong criteria to take decisions during the real time drilling.

Manage and result evaluation of OFM tool for management of profile production taking aware about sand production, water production and short falls from production departments. Even without OFM I can use excel because I manage this tool as expert.

Solid knowledge for domaining software like Kappa and PamSystem for well testing and characterizer drain area, reservoir pressure, permeability, skin factor and possible limits of the reservoir to concatenate with geosciences and production data the behavior of the test.

Manage and result evaluation of PIPESIM to define the optimum pressure values per each node to achieve the right optimization plan per well and their impact in the net built.

Solid concepts about production, well optimization and reservoir to define well performance concepts fitted to the needs of the field.

Skills to manage numerical simulators like IMEX-STARS-GEM (CMG) and ECLIPSE Black Oil and Thermal (SLB) to evaluate and predict different scenarios for optimum reservoir management

Wide experience in non-reactive matrixial stimulation ranging from the selection of the surfactant, selection of candidate wells, post- results evaluation and evaluation for failure mitigation

Technical skills and leadership to evaluate and execute EOR projects according to the field needs. Pilot projects leads: CSS and Polymer injection.

Criteria, vision and structure of business plan from reservoir perspective, and also leadership the departmental activities to achieve successfully the plan monthly and annually.

Important studies within the organization to increase hydrocarbon production and consideration in the annual production profiles:

Cycle Steam Stimulation (CSS) for 3 wells as pilot project selecting well, selecting company, startup of the project and following and evaluation. Main issues to handle: vapor quality, soaking time, time changing completion, operation parameters to start up and during the evolution under response of the wells supported on real-time sensor data response, also the neighboring wells was monitored because the closeness was high between them. The geology, especially thickness of the sand and heterogeneity, was critical for pre-evaluation and results.

Polymer Injection, also in charge of the project, especially during the following to match the result with cost. This project I presented in the 38th annual Workshop and Symposium, IEA-EOR. Riviera Maya, Mexico – under the name A Look at Polymers Flood Pilot Test in Petrocedeño

Impact of speed operating parameters of the BCP outside the recommended on the BHP of the well, cluster, field zones and field in general.

Evaluation of the sand production of the field in general to define mitigation, since the production oscillated between 6 and 9 tons per day, negatively impacting the surface equipment

Reactivation of wells categorized as disincorporated by water and sand. Taking pressure taps through the casing to define liquid level, interference studies with real-time data of parameters of neighboring wells vs. historical production.

Determination of the cause of why non-reactive matrix stimulation is effective in a number of wells that vary over time and not in others. Among professional achievements, there was an average annual growth of 40% in positions held, starting as: field engineer, reservoir engineer, supervisor of the Reservoir planning unit and finally formally as Reservoir Superintendent. The outstanding technical achievements together with the personnel management capacity allowed the assignment of responsibilities for the fulfillment of the scheduled guard role of Operations Manager and alternate Technical Manager. The last formal position and the management positions filled allowed the development of the administrative training necessary to intertwine the technical link with an economic vision and its impact on the company. EDUCATION

July 2013 – Technical Update in Dynamic Reservoir Characterization and Extra Heavy Oil Production. Universidad de Oriente, Anzoátegui State, Venezuela.

February 2009 – Bachelor’s Degree in Petroleum Engineering . Universidad de Oriente, Anzoátegui State, Venezuela. COURSES & SEMINARS

Year Month Description

2017 September 38th Annual Workshop and Symposium, IEA-EOR. Rivera Maya, México 2014

May Eclipse Black Oil Reservoir Simulation. Schlumberger Training Center. Venezuela April OFM Basic and Intermediate. Schlumberger Training Center. Venezuela 2013 May Workshop Geology for Reservoir. TOTAL oil and Gas. Venezuela 2012 June PIPESIM Production Engineering. Schlumberger Training Center. Venezuela 2011 December

Damage Formation and Stimulation for Wells. Instituto de Investigaciones Petroleras de la Universidad del Zulia. Venezuela

2009

December Cambridge Course. Perth International College of English. Perth, Australia Octubre IELTS Course. Perth International College of English. Perth, Australia September General English Course. Perth International College of English. Perth, Australia 2007 June Basic Petrophysics. Paradimg. Universidad de Oriente. Venezuela 2006

July Well Control and Blow Up Prevention. Paradimg. Venezuela June Drilling Fundamentals. Universidad de Oriente. Venezuela 2005 July Natural Gas Technical Seminar. Universidad de Oriente. Venezuela 2000 August French as a Secund Lenguage - Basic Level. Alianza Francesa. Caracas, Venezuela EXPERIENCE

Key Way Investment LTD European Broker under the brand CAPEX.com Base Bogotá D.C. Colombia, for the attention of clients in Latin America serving Colombia, Chile, Mexico, Peru, Dominican Republic, Uruguay and Guatemala. Lapse Position Description

June 2021 – Currently

Office

Manager

Main functions performed:

• Preparation of templates for operational monitoring for the evolution of the departments and employees.

• Management of the platforms: ViciDial System, ICC System CRM SPA and CRM RPA at user and administrator level

• Support to the Marketing Department for the final development of advertising campaigns

• Help Desks for IT Department in Colombia and IT technical support for the office

• Back office communication

• Big Data and Double check

Key Way Investment LTD, European Broker under the brand ClickTrades Base Bogotá D.C. Colombia, for the attention of clients in Latin America serving Colombia, Chile, Mexico, Peru and Guatemala. Lapse Position Description

January 2021 – May

2021

Sales Agent

Main functions performed:

• Management of the platform CRM SPA as user.

• Dominance of the Stock Market for the purposes of attracting financial investors, aimed beginners and experienced users.

Impact Heroes Agency, American Digital Marketing company aimed at expanding customer brands with a remote work scheme under the Online platform. Miami, Florida - USA.

Período Cargo Descripción

September 2020 –

December 2020

Project Manager

Main functions performed:

• Management of Databases in Excel and Access defining data flow to facilitate the characterization of clients and services.

• Platform management at the user level of Monday, Go High Level and PipeDrive.

• Advice and construction of departmental metrics for characterization and evaluation of company personnel

• Advice and construction of departments and departmental structure vs the work flow between them.

• Advice and construction of job descriptions for each department.

• Analysis and evaluation of the human capital of the organization Petrocedeño S.A (Asociación Estratégica PDVSA –TOTAL- EQUINOR Operating Company of Extra Heavy Crude Oil under the scheme of Horizontal Wells and BCP Lifting System in the Orinoco Oil Belt, Venezuela. Lapse Position Description

June 2017- July

2019

Reservoir Superintendent

1. Presentation

• Approving signature of management decisions.

• Meetings with associates or associated organizations

• Chair decision-making meetings

2. Leadership

• Organizational management of the department. Evaluation of the work flow and performance optimization.

• Give instructions for the development of innovative studies and instruct on new techniques and apply in challenging scenarios.

• Evaluate work team performance.

3. Links

• Face-to-face meetings with company directors, enabling managements, governmental and international entities.

• Meetings with external advisers for evolutionary evaluation of the reservoir, ongoing studies and new guidelines for exploitation plans based on the oil market. 4. Administrative Functions

• Review and approval of technical proposals for request to initiate the hiring file.

• Classification and selection of offers for hiring.

• Control and performance of each contract items according to the valuation of the project.

• Prepare and presentation of corporative presentation for show progress and results.

5. Informational Features

• Managing the information about the oil market evolution on a daily basis, future projections and raising awareness with the department is of utmost importance for anticipating production scenarios to reduce possible negative impacts and optimize the capture of information necessary for studies of mature fields.

• Promote reading of current papers and articles according to the conditions of the reservoir under study as well as congresses, conferences, forums and symposia on the exploitation of unconventional reservoirs.

• Maintain communication ethics between the corporate command line and the management team to read memoranda, reports and professional publications. 6. Technical Features

• Plan, organize, monitor and improve own performance to produce timely, accurate and innovative outputs, even under pressure or uncertainty.

• Define the measurements which are required to perform the most suitable and cost effective reservoir management and obtain their implementation. Ensure quality of the data acquired.

• Design the reservoir model for the purpose of designing and optimizing the Development Plan and evaluating the associated risks and uncertainties.

• Coach the venezuelan and international participants of the reservoir team targeting a low turnaround and career development beneficial to the company.

• Propose the adequate size and organization of the Reservoir Team.

• Propose creative objectives to the team looking for impact and efficiency.

• Integrate the measures into the reservoir model. Ensure that reservoir model outcomes are matched by field experience and assess the reliability of the production predictions, by quality control.

• Maintain in a workable status a database of the various reservoir measures, analysis and studies.

• Propose technical proposals aimed at enhancing oil recovery and minimizing cost of barrel produced. Propose appropriate test and pilot programs.

• Analyze un-predicted reservoir behavior and propose solutions to mitigate their effects.

• Be responsible for the quality of the activities carried out by reservoir engineers.

• Develop internal procedures and manuals governing the reservoir activity. 7. Problem Handling

• As head of the work team I must be the controller of disturbances. Problems and crises are factors that must be taken into account and must know how to handle, consequently, as the head of the department, I seek to ensure that the challenges and problems facing the organization are taken in the best way by the work team and that transitions are as positive as they can be.

• Critical points of constant consideration are listed as:

Punctuality

Follow-up and fulfillment of team goals and objectives

Overcome professional differences within the team in a professional and assertive manner

Enforce corporate regulations with excellence

April 2015 - June

2017

Reservoir Planning Unit

Supervisor

1. Presentation

• Signature of technical documents and proposals for remediation.

• Receive Associates or Associated Organizations.

• Preside over certain meetings.

2. Leadership

• Train new talents.

• Conduct major studies.

• Evaluate work team performance.

3. Links

• Direct interaction with Partners B and C (TOTAL and EQUINOR), enabling managements, government entities for respective compliance with regulations and technical teams from other businesses.

4. Administrative Functions

• Preparation of technical proposal for request to initiate contract file.

• Evaluation of Offers.

• Tracking and compliance of contract items.

5. Technical Features

• Responsible for drawing remediation strategies based on water, sand and gas development problems that allow the optimal performance of the Field and the department.

• Review, management, control and accountability of monthly and annual of the available potential of the field and propose strategies for its optimization after analysis of production decline curves, Productivity Index, evaluation of monitoring variables, Short Falls and its respective concatenation with the general production volumes received at the Plant.

6. Decision Functions

• Assertive decision management to actuate the mitigation of productivity problems in real time.

• Execution and monitoring of productivity optimization for the reservoir according to the responsibilities assigned to the subordinates of the department. April 2013 -April

2015

Reservoir Engineer

Main Offices of Petrocedeño, Dairy, Anzoátegui State, Venezuela. Engineer in charge of monthly calculating the field reservoir potential, general macro evaluation of the water cut, sand and gas production with the objective of studying the root cause and minimizing the negative impact at the production level, defining clear actions to trace the line of work with the members of the team.

June 2010 -April

2013

Field Engineer

Petrocedeño Field, San Diego de Cabrutica (Orinoco Oil Belt) - Real-time monitoring for more than 300 horizontal wells focused on the performance of the flowing bottom pressure under Operation variables (RPM / Torque / Diluent) and the impact of surface operating variables (Performance of Multiphase Pumps / Pressurization of Trunks lines / partial stops or total of the field) on the production. As well as the planning and monitoring of samples and well tests. PAPERS

SPE WVPS152 - STUDY OF THE IMPACT OF NAFTA INJECTION IN HORIZONTAL WELLS FOR EXTRA HEAVY OIL PRODUCTION IN THE FIELD PDVSA PETROCEDEÑO – ORINICO OIL BELT AS A POSTER, ACEPTED BY SOCIETY OF PETROLEUM ENGINEERS VENEZUELA WHICH WAS PRESENTED ON 23TH OF OCTUBER OF 2013 AT II SOUTH AMERICAN OIL AND GAS CONGRESS 2013. SOFTWARES IN KNOWLEDGE

PIPESIM (SHLUMBERGUER CORPORATION) STARS (COMPUTER MODELLING GROUP)

PI System (OSIsoft – PI SDK SOFTWARE DEVELOPMENT KIT) GEM (COMPUTER MODELLING GROUP)

ECLIPSE 100 (SHLUMBERGUER CORPORATION) PAMSYSTEM (ESP OIL CORPORATION)

IMEX (COMPUTER MODELLING GROUP) OFM (SHLUMBERGUER CORPORATION)

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