CURRICULUM VITAE

Professional Profile:

Mechanical Engineer, experience in the oil sector, in the areas of Projects, Procurement, Maintenance and Reliability.

Experience in the development of work teams to achieve goals.

Extensive knowledge in formulation and implementation of projects, preparation of Terms of Reference, equipment specification, procurement and contracting processes, Administrative Supervision and Contract Management.

Experience in maintenance of pipelines, pumping stations and Production Facilities. Knowledge of technical standards and industry standards for maintenance of pipelines, pumps, valves, internal combustion engines and other equipment for operation of pipelines. Experience in Asset Management, calculation of Maintenance Indicators, Root Cause Analysis (RCA), Hazard Identification (HAZOP) and Maintenance Plans Formulation (RCM and PMO).

Personal Data:

First Name: León Dario

Last Name: Ramírez Yáñez

Birth Date: April 20, 1.967

Birth Place: Sardinata (N. de S.)

Age: 55 years old

Condition: Married

Actual Address: Carrera 12 No.169-50 Casa 187

Bogotá - D. C.

E-mail : adrkyn@r.postjobfree.com

Phones: Home: +57 1 3843543

Phone: +57-312-***-****

I. D. Card: 5.455.180 de Herrán (N. de S.)

I. D. Military Card: 5.455.180 (Colombian Air Force)

I. D. Professional Card: CN 23007049

Resol. C.P.N. No. 90 / 94

Education:

ANDES UNIVERSITY

Mechanical Engineer

Bogotá – Colombia

March, 1.994

UIS UNIVERSITY

Maintenance Management Specialist

Bogotá – Colombia

August, 2.014

ACIEM – Cundinamarca

Certified - Management and Control Maintenance

Bogotá – Colombia

August, 2013

AUTONOMOUS UNIVERSITY OF BUCARAMANGA

Certified – Administrative Depelopment

Bucaramanga – Colombia

2006

EUDE

Master Business Administration, MBA

Madrid – España

March, 2016

EUDE

Master Corporate Finance

Madrid – España

January, 2017

Publications:

Graduation Project, Design, Construction and Assembly of Control Console for Andes I Robot, Bogotá, 1993.

Monograph for Grade, Study of Reliability and Vulnerability of Three screws pumps, IMO brand, which are installed in the pipeline Apiay - Altos El Porvenir, the Vice President of Transportation Ecopetrol S. A., Bogotá, August 2014.

Seminaries & Courses:

Online Course, Formulation and Evaluation of Complex Projects, ANDES UNIVERSITY, Bogotá, April - May 2020.

International Association for Contract & Commercial Management – IACCM Certification Course, October 2019 – March de 2020.

CONTRAC & RISK MANAGEMENT 2020, GBI, Seminar Guest Speaker, Bogotá February 13/14, 2020.

Training Course for Contract Administrators, ANDES UNIVERSITY, Bogotá, februrary 15, 2019.

HSE Focus Contractors Management Course, Online, ECOPETROL UNIVERSITY, May 29, 2018.

Online Course, “MOOC Sustainable Mobility, Technical and Environmental Challenges for Automotive Sector ”, IFP School, January 2016.

Online Course, “MOOC OIL & GAS, From Exploration to Distribution”, IFP School, July 2015.

Personnel Change Control Course, Online, ECOPETROL UNIVERSITY, November 7, 2015.

Fundamentals of Change Management Course (MOC), Online, ECOPETROL UNIVERSITY, October 1, 2015.

Course on Occupational Health Legislation, Online, ECOPETROL UNIVERSITY, September 9, 2015.

Certification Curse, “Based Asset Management”, C- MORE, Centre for Maintenance Optimization & Reliability Engineering, Bogotá, Colombia, December 10-11, 2014.

Certification Course as Maintenance and Reliability Manager – CGMC, ACIEM, Bogotá, December 5, 2014.

Key Performance Indicators and Guide to Excellence in Maintenance Management Diploma, ACIEM - Cundinamarca, Bogota - D. C., December, 2013

Management and Maintenance Control Diploma, ACIEM - Cundinamarca, Bogotá, DC, May 27 to August 27, 2013.

Incident Command System Course, Online, ECOPETROL UNIVERSITY, June 18, 2.013.

Supply Management Course, Online, ECOPETROL UNIVERSITY, May 27, 2.013.

Maintenance Symposium 2013, ExxonMobil of Colombia S. A., Bogotá, D.C., May 23 & 24, 2.013.

Strategic Planning and Management, Online, ECOPETROL UNIVERSITY, February 1, 2.013.

Pumps, Basic Types and Operation, Online, ECOPETROL UNIVERSITY, January 9, 2.013.

Defining Effective Controls, Online, ECOPETROL UNIVERSITY, December 28, 2.012.

Inspection Techniques CIPS and DCGV, Online, ECOPETROL UNIVERSITY, December 28, 2.012.

Positive Displacement Pumps, Online, ECOPETROL UNIVERSITY, December 20, 2.012.

Basic Concepts Course of Centrifugal Pumps, Online, ECOPETROL UNIVERSITY, December 15, 2.012.

Course of Risk Analysis Methodologies, Online, ECOPETROL UNIVERSITY, October 22, 2.012.

Seminar NFPA 20, Standard for Fire Pumps, Professional Development Program, NFPA, Bogotá, DC, Colombia, October 24-26, 2011.

“MSD Hands-On” Pump Training, SULZER PUMPD INC, Midwest S. C. Joliet, Illinoins, USA, July 12-14, 2011.

Preparation Seminar PMP® Certification Examination 4a Edition, Gomez Project and Training, Bogotá, DC, Colombia, March 11, 12, 24, 25 and 26; April 13 and 14, 2.010.

Contract Management, Online, ECOPETROL UNIVERSITY, March 17, 2.010.

Electrical Safety Forum, Ecopetrol S. A., Genelec Ltda, Bogotá, D.C., Colombia, October 29 & 30, 2009.

Horizontal Directional Drilling for Utility & Pipeline Applications, J. D. Hair&Associates, Inc Consulting Engineers, Bogotá, D. C., Colombia, febrero 24 de 2.009.

Shell Gas & Power Workshop, Shell Colombia S. A., Cartagena, Bolivar, Colombia, September 14 and 15, 2.006.

Administrative Development Diploma, Bucaramanga, Santander, Colombia, Autonomous University of Bucaramanga, 2.006.

Course for the implementation of ASME Code Section VIII, Division 1, ASME, Bogotá, DC, Colombia, April 2005.

Fundamentals Sealing and Failure Analysis, John Crane Colombia, Cartagena, Bolivar, Colombia, December 2 & 3. 2004.

Sealing Systems Course, John Crane Inc, Morton Grove - Illinoins, USA, November 9 – 12, 2.004.

Training for Maintenance and Operation of turbochargers ABB VTR-254, Turbocol Ltda., Barranquilla, Atlantico, Colombia, October 7 & 8, 2004.

Training for Maintenance and Operation of turbochargers ABB VTR-250/251, Turbocol Ltda, Cúcuta. - Norte de Santander, Colombia August 17-20, 2004.

1st Colombian Pipeline Journey, ECOPETROL, OLEODUCTO DE COLOMBIA, OCENSA y ACIEM, Bogotá – D.C., Colombia, March 25 & 26, 2.004.

Project Management using MS Project 2002 Course, Uniandinos, IT DYNAMICS SA, Bogota, D.C., Colombia, November, 2003.

The Dynamics of Lubrication Seminar, Lubrication Engineers Ltda, Cartagena, Bolivar, Colombia, October 20 & 21, 2003.

Integrated Development Plan for Executives of the Vice President of Transportation ECOPETROL, National University, Bogotá, DC, Colombia, July 22-31, 2002.

Failure Analysis Seminar Workshop, ACIEM, Bogotá, DC, Colombia, February 21 & 22, 2002.

Fluid Mechanics, Pumps and Pumping Units Applied Oil & Pipelines Seminar - P.Y.A. AUTOMATION LTDA, Bogota, DC, Colombia, November 13-16, 2001.

Management of himself Workshop, ECOPETROL, Industrial University of Santander - "UIS", Bucaramanga, Santander, Colombia, August 13 & 14, 2.001.

Monitoring of Rotating Machinery Course, Vibran Cia Ltda, Bogota - D.C., Colombia, November 14-17, 2000.

Health, Safety & Enviroment Coordinators Course, Procter & Gamble, Funza, Cundinamarca, Colombia, March 31, 1999.

Training Workshop for Quality Auditors, Training for use of ISO-9000 Standar, INELECTRA, Bogota, Colombia, November, 1998.

Defensive Driving Course, BP EXPLORATION COMPANY, CPF Cusiana, Tauramena, Casanare, Colombia, September, 1998.

Journalism, Communication and Environment Negotiation Seminary, dictated for the Autonomous Regional North-east Corporation, Corponor and the Reverdecer Foundation, Cúcuta, 1995.

Radiology Protection and Safety Course, dictated for THE COLOMBIAN PETROLEUM COMPANY, ECOPETROL, Cúcuta, 1995.

Problems and Decisions Course, dictated for THE COLOMBIAN PETROLEUM COMPANY, ECOPETROL, Cúcuta, 1995.

Inspection of Welding Course, Welding Institute of WEST ARCO COMPANY, Soacha (Cundinamarca), 1993.

Welding Technique Training, with Electrodes for manual welding construction. Latin-American Institute of Welding, Don Bosco, Bogotá- D. C., 1993.

Tribology and Lubrication course, Andes University, MOBIL COMPANY OF COLOMBIA, 1992.

Acknowledgments

Ten years of dedication and commitment, President of ECOPETROL, August 2.005.

For its contribution to achieving 2,680 days without accidents, ECOPETROL S.A., Pumping Station Miraflores, Miraflores Station - Boyacá, December 23, 2004.

First place in program management Occupational Health 2.002, Vice President of Transportation, ECOPETROL S.A., Pumping Station Miraflores, Miraflores - Boyacá, March 5, 2003.

Appreciation and recognition for their work during denoted contingency plans, President of ECOPETROL, Bogota - D. C., 8 March 2003.

Feelings of gratitude for their cooperation during the labor contingency plan, Technical Management of ECOPETROL, D.C. Bogota., April 22, 2002.

Acknowledgement by the strong participation in the labor contingency plan, Vice President of Transportation, Bogota D.C.., March 12, 2002.

Recognition for achieving the goal of 1,500 days without accidents, ECOPETROL, Pumping Station Miraflores, Miraflores - Boyacá, October 2, 2001.

Great Stimulus for excellent results in the evaluation of HSE Coordinators Course, PROCTER & GAMBLE, Funza - Cundinamarca, April 1999.

Professional Experience:

November 2016 - June 2022

ECOPETROL – Vice President of Production - VDP

March 2020 – June 2022

Regional Vice Presidency Piedemonte - VPI

Contract Manager

SAP MM management for contract administration for the Regional Vice Presidency Piedemonte (VPI), of the Vice Presidency of Production (VDP), in the CPF’s of Cusiana, Cupiagua, Floreña and other associated infrastructure.

Ensure compliance with contractual obligations of the contracting parties.

Subscribe own documents in the administrative process.

Resolve the inconsistencies of the Terms of Reference, Technical specifications and Contractor's Claims.

Develop reports for the Applicant Officer (FS) and the Authorized Officer (FA) on progress and status of the contract.

Manage contract modifications that are properly identified as necessary.

Authorize payments and other awards to be entitled the contractor.

To approve the performance evaluation and certifying experience of the contractor.

November 2016 – March 2020

Regional Vice Presidency Orinoquía – VRO

Contract Manager

SAP MM management for the administration of contracts for the Management of Development and Production Operations Piedemonte of the Vice Presidency of Regional Production Orinoquía (VRO), of the Vice Presidency of Production (VDP), in the CPF’s of Cusiana, Cupiagua and other associated infrastructure.

Ensure compliance with contractual obligations of the contracting parties.

Subscribe own documents in the administrative process.

Resolve the inconsistencies of the Terms of Reference, Technical specifications and Contractor's Claims.

Develop reports for the Applicant Officer (FS) and the Authorized Officer (FA) on progress and status of the contract.

Manage contract modifications that are properly identified as necessary.

Authorize payments and other awards to be entitled the contractor.

To approve the performance evaluation and certifying experience of the contractor.

April 2000 – November 2016

ECOPETROL – Vice presidency of Transport - VIT

April 2016 – November 2016

Contract Manager – VIT – Commercial Department

Management of the contract signed with the Joint Venture “PMA”, Pipeline Maintenance Alliance, Masa-Stork & ICAMEX - Contract No. MA-0032889, for the execution of works and maintenance of the pipelines located in the southern of Colombia, approximate value USD$ 200 million.

Ensure compliance with contractual obligations of the contracting parties.

Subscribe own documents in the administrative process.

Resolve the inconsistencies of the Terms of Reference, Technical specifications and Contractor's Claims.

Develop reports for the Applicant Officer (FS) and the Authorized Officer (FA) on progress and status of the contract.

Manage contract modifications that are properly identified as necessary.

Authorize payments and other awards to be entitled the contractor.

To approve the performance evaluation and certifying experience of the contractor.

Reply community requirements in the area of influence.

Administrative and technical settlement of contracts.

November 2.012 – March 2016

Reliability Professional – O&M Department Casanare

Reliability studies (RAMS, RCM, FMEA, RCA, maintenance audits, RCS).

Risk Analosys (HAZOP, HAZID, LOPA, P&ID’s)

Operational Integrity.

Condition Based Maintenance (CBM)

Ensure compliance with guidelines of reliability.

Leading application and implementation of reliability studies.

Plan and schedule of condition monitoring of equipment.

Monitoring and updating of Risk Management.

Identification of opportunities for improvement.

Management indicators of reliability.

Identification and elimination of risks.

June 2.010 – November 2.012

Engineering Assurance Leader – Heavy Crude Oil Project

Development of HAZOP studies to evaluate the impact of the project on the operation.

Review of conceptual, basic and detailed, engineering documents.

Analysis of technical proposals for different construction alternatives and specifications.

Specification of major equipment, valves, pipes, fittings, pumps, etc.

Proposition and support of technical alternatives for the development of projects.

April 2.007 – June 2.010

Construction Leader of Pumping Stations – Heavy Crude Oil Project

Coordination of activities of conceptual engineering, Basic Engineering and detailed engineering, Projects related to the subject of the infrastructure necessary for the production of heavy crude in the eastern plains of Colombia.

Development of HAZOP studies to evaluate the impact of the project on the operation.

Coordination of activities for the development of the terms of reference, prequalification of bidders and evaluation of proposals, for the acquisition of major equipment required for the construction and upgrading of pump stations of pipelines affected for the project. The stations affected were Apiay (Meta), Monterrey (Casanare), El Porvenir, Monterrey (Casanare) and Altos del Porvenir (Casanare).

Coordination of activities of Supervision and construction of related infrastructure of the project.

August 2.004 – April 2.007

Mechanics Professional Technical Area Llanos

Parameterization of SAP PM for the development of Mechanical Maintenance, Reliability and Integrity of the “Miraflores” pumping stations, located in Miraflores (Boyacá), El “Porvenir”, located in Monterrey (Casanare), “Araguaney”, located in Yopal ( Casanare) and "Vasconia", located in Puerto Boyacá (Boyacá), contracting related services, purchases of materials and spare parts.

Preparation of Contracts and Orders in SAP MM required for equipment maintenance activities.

Preparation and Control of the budget of the mechanical area of the Technical Area Llanos, of the Vice Presidency of Transportation of ECOPETROL S. A.

Coordination of special projects for stations such as:

Implementation of an automatic lubricating oil replacement system for CAT 3612 engines.

Major Overhaul of the MAN 12V2027 engine, belonging to unit 4 of the Araguaney station.

Maintenance of diesel fuel tanks at El Porvenir and Miraflores stations.

Maintenance of the Industrial air systems of the El Porvenir and Miraflores stations.

Abril 2.000 – Agosto 2.004

Coordinador de Mantenimiento Estación Miraflores.

Parameterization of SAP PM for the development of Mechanical Maintenance, Reliability and Integrity of the “Miraflores” pumping stations, located in Miraflores (Boyacá), contracting related services, purchases of materials and spare parts.

Preparation of Contracts and Orders in SAP MM required for equipment maintenance activities. Supervision of contracts, preparation of tender documents, bidding process.

Contract supervision, preparation of specifications, bidding processes.

Preparation, management and budget control for the maintenance of the Miraflores station.

SAP implementation of maintenance plans and minimum stock of spare parts for the main equipment of the station. CAT 3612, 3512, 3412, 3516 and 3208 engines, Cummins NT855, Alfa Laval Centrifuges, Ingersoll Rand Compressors, Generators, UPS’s, Sulzer Pumps, etc.

Supervision and supervision during the execution of “Top Ends” and “Major Overhauls” of the CAT 3612, CAT 3516, CAT 3512 and CAT 3208 engines, a contract between Ocensa and Gecolsa.

Coordination for the execution of the “Major Overhaul” of the main compressors of the Ingersoll Rand brand, model IC BM 18.1120 C, of the Miraflores station.

Coordination for the installation of fuel oil consumption meters in CAT 3612 engines at Miraflores station.

Coordination for the installation of metal particle detectors, AMOT brand, Model MPD, in the oil of CAT 3612 engines of the Miraflores station.

Coordination for the installation of CUNO filters in the crude fuel system of CAT 3612 engines.

Preparation and monitoring of the maintenance plan for the mechanical seals installed in the Miraflores station pumps, mostly “FLEXIBOX” and John Crane.

Coordination for the improved modification of the ABB turbochargers, model VTC-254, of the CAT 3612 engines of the Miraflores and El Porvenir stations, preparation and monitoring of the preventive maintenance plan.

Preparation of terms of reference, contracting and supervision of the paint works of the fire system tanks of the Miraflores station.

Maintenance Coordinator in charge of the El Porvenir Station.

Operations Coordinator in charge of Miraflores and El Porvenir Stations.

April 1999 - December 1999 PETRODUCTOS LTDA

Project Manager Engineer

Decommissioning of a shampoo plant, owned Procter & Gamble, located in Funza (Cundinamarca), according FUN-5327 contract, signed with Procter & Gamble in Colombia. April-May, 1999.

Construction of the Early Production Station Catalina, located in Aguachica (Cesar), Colombia, owned by the company HARKEN DE COLOMBIA, LTD. June to September of 1999.

Construction of New Production Facilities in Paloblanco station, Campo Estero, located in Maní (Casanare), Colombia, work done for the company HARKEN DE COLOMBIA LTD. October to December of 1999.

May 16, 1998 - March 1999 DISNAEQUIPOS S. A.

Project Control Engineer

Analysis of technical propositions, elaboration of commercials propositions, Proceedings for delivery works, budgeting materials, technical visits and coordination of projects in execution.

Assembling the fourth fire pump CPF Cusiana, civil, mechanical, electrical and instrumentation works complementary, connection and commissioning process. Work done for BP EXPLORATION COMPANY (COLOMBIA) LTD, Order No. 38542 Services, Tauramena (Cas.), May-August 1998.

Installation of Oily Water for Cusiana CPF, corresponding civil works, installation of pneumatic pumps, centrifugal pumps, electric motors, electrical and instrumentation works and piping connecting to the existing process. Work made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No.36159, Tauramena (Cas.), September-November 1998.

Agosto 6 de 1.997 – Diciembre 23 de 1.997 PETRODUCTOS LTDA

Tenders Coordinator

Analysis of technical propositions, elaboration of commercials propositions, Proceedings for delivery works, budgeting materials, technical visits and coordination of projects in execution.

August 5, 1.997 – October 5, 1.997

CONSORCIO P. D. M.

PETRODUCTOS LTDA – DISNAEQUIPOS S.A. – MAVIL LTDA.

Mechanical Engineer

Assembly Electro-mechanic of Fuel Gas System for the Thermoelectric named TERMO OPON, consistent in the installation of a Scruber, a Heater, Valves of control and Shut Down and pipes of connection of different diameters between Facilities of AMOCO in Opón oil field and the Turbo-generators of the Thermoelectric. This work was made for TERMOSANTANDER E. S. P. COMPANY, Cimitarra, Santander, Colombia.

May 25,1996 - December, 23 1.997 PETRODUCTOS LTDA.

Project and Control Engineer

Construction of pipeline to receive crude oil from LTT in Cusiana CPF, included weld ASME in 6” of diameter, performance of hydrostatic proofs to 2100 psi, this work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Tauramena (Casanare), June, 1996.

Fabrication of Spool in 4” for charge and discharge system and re-injection to process of oily waters and muds in the Cusiana CPF. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 20955, Tauramena (Cas.) July, 1.996.

Installation of PSV Valve in STACK COTU unit, in CPF, design and fabrication of spool necessary, Sandblasting and painting in accord with M.12 standard. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 21305, Tauramena (Cas.) July 1.996.

Construction and organization of Materials store-room in LTT, recuperation of accessories, pipes, electrical elements, tools and equipment. Classification of materials and elaboration of data base about the recuperate materials. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 20818, Aguazul (Cas.) June, 1.996.

Works of welding, support for proofs for elaboration of Hot Tap of 12” in the TK-4102 of Cusiana CPF. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 25191, Tauramena (Cas.) July, 1.996.

Translate and Installation of a compressor AJAX DPC 162 from La Gloria Norte oil field to Trinidad oil field, construction of concrete base and connections of pipes of different diameters. This work was made for KELT COLOMBIA S.A., Service Order No. 96/GO-163/P 30.39/2, Casanare, August, 1.996.

Installation of a new Skid for distribution of fuel gas from selling gas line to the different equips of Cusiana CPF, (Shipping Pumps, Switch Gear), Construction of concrete base, pipelines of different diameters for conduction of gas and realization of Hot Taps for connections to process. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Contract No. 22633, Tauramena (Cas.) September, 1.996.

Fabrication and Installation of a Briddle for assembly of instrumentation of dehydrator V-1103 of Cusiana CPF. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Purchase Order No. 23233, Tauramena (Cas.) September, 1.996.

Re-localization and Construction of new lines of fire system of the new store-room of materials, the Casino enlargement and the hotel enlargement of Cusiana CPF. Execution of Tie Ins in the existing fire system. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 25202, Tauramena (Cas.) December, 1.996.

Installation of valves of 8” and 10” to facilitate the maintenance of the fire system without shut-down in the system. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 29928, Tauramena (Cas.) June, 1.997.

Construction of a Jumper in API threaded pipe of 5 ” between WD-1 line and WP-Y line. The connection to lines existing was made with Hot Taps of 4”, ANSI 600, using a Drill Machine model T-101 A. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 30050, Tauramena (Cas.) June, 1.997.

Design and Construction of Multifase Flow Meter Checking Facilities, for the connection of this equip to proof separator with Start Up line and Test Line, in pipe API 5LX-52, with accessories and valves ANSI 600#. Qualification of procedures of weld and welders. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD, Service Order No. 28248, Tauramena (Cas.) July, 1.997.

Elaboration of Hot Taps of 3” and 1” in the principal line of the firebrand of low pressure of Cusiana CPF, for installation of a LOW PRESURE FLOW METER. This work was made for BP EXPLORATION COMPANY (COLOMBIA) LTD. Tauramena (Cas.) June, 1.997.

March 6, 1995 - March 20,1996 ECOPETROL - D.C.C.

Pipeline Maintenance Engineer

Chief Sector Engineer of Orú and Toledo

Maintenance of Caño Limón Coveñas pipeline and repair of damages caused for terrorist attacks with explosive charges, between San Bernardo de Bata (KP 168+000) and the valve of El Paso (KP 406+150), supervision of contracts for the maintenance on right way of the pipeline, on the access and adjacent roads; reforestation of affected areas of the pipeline. Values between 4.000 and 40.000 dollars, made for private contractors and the community of the areas of influence. Coordination and Supervision of especial projects with the community, as farmers, pisciculture, earth-worms, nurserys, cultivation, etc. Participation like Comptroller in the principal contracts between ECOPETROL and CONSULTORIA COLOMBIANA S.A. and PROTECNICA LTDA, for supply of comptroller personnel and supply of personnel and equipment for attention of emergencies.

January 17, 1994 – February, 1.995 PETRODUCTOS LTDA

Project and Control Engineer January 94 - May 94

Construction of Orocué-Garcero Pipeline, fabrication of reception and sending Tramps for cleaning tools (pigs), connection of oilfields and construction of an Electric line of 13.8 KVA, for Sardinas, Guarilaque, Jordán and Paravare Oil fields, (Casanare, Colombia), KELT COLOMBIA S.A. COMPANY.

Project and Control Engineer October - November 1994

Installation of an Electrostatic Treater trade NATCO, connections of pipes of different diameters for connect to existing process, electric installation of a Transformer of 15 KVA, connection to electric line existing and installation of instrumentation necessary to perform. This work was done for KELT COLOMBIA S.A. COMPANY, in Gaván oil field, (Casanare, Colombia).

Assistant Engineer December 1.994 – January 1.995

Analysis of technical proposal, Elaboration of Commercials proposal, Proceedings for delivery works, materials budget, technical visits and coordination of projects in execution.

Project and Control Engineer January 1.995 – February 1.995

Reparation of Tanks of Eight thousand barrels (8.000) in La Gloria Norte oil field and construction of two (2) lines of Gas Lift in two inches (2”) for La Gloria Norte 3 and La Gloria Norte 4 wells.

August 1993 - January 1994 ELEMENTOS METALICOS

Project and Control Engineer

Installation of the treatment and re-injection water residuals Plant, of Caño Garza oil field station, Casanare, for KELT COLOMBIA S.A. COMPANY. Included the assembly of the OIL SKIMMER, Centrifugal pumps, Storage tanks, Filters, Positive displacement Pumps National trade, Chemical Unit and API welding in different diameters.

January 1993 - June 1993 ICOLLANTAS S.A.

Semester of University Practice, Participation in Total Quality Control Circles, product improvement, customer service and advice, study of the performance of tires for cargo trucks under various conditions of use.

LEON DARIO RAMIREZ YAÑEZ

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