Summary
Overview
Work History
Education
Skills
Websites
Interests
Awards
Affiliations
Publications
Training
AREA OF EXPERTISE
Timeline
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Benidiktus Gunung Massuka

Benidiktus Gunung Massuka

Senior Analyst Portfolio Management
Tangerang Selatan,BT

Summary

Experienced reservoir engineer with a decade of expertise in optimizing oil and gas assets. Skilled in merging technical engineering with strategic portfolio management to drive initiatives that increase asset value and align operational activities with corporate goals. Currently serving as a Senior Analyst Portfolio Management, overseeing and assessing diverse portfolios to implement strategies that boost performance and ensure alignment with business objectives. Proficient in upstream investment evaluation, economic analysis, and production optimization. Demonstrated leadership and collaboration skills in leading multidisciplinary project teams. Specialties include portfolio management, Plan of Development (POD) strategy and planning, reservoir and field management, production optimization, and economic analysis.

Overview

17
17
years of professional experience
6
6
years of post-secondary education

Work History

Senior Analyst Portfolio Management

PERTAMINA Persero
Jakarta, Jakarta
10.2024 - Current
  • Company Overview: State Owned Enterprise energy company, 100% owned by the Government of Indonesia
  • Strategic coordination and evaluation of group-wide portfolio safety for each Sub-Holding and subsidiary, ensuring alignment with group goals and regulatory compliance. Planned and managed diverse business, technology, program initiatives, and strategic projects to enhance value creation within Sub-Holdings and subsidiaries. Conducted evaluations on business portfolio optimization, operational improvement initiatives, and supported regulatory discussions in shareholder meetings.
  • Directed and coordinated risk assessment, monitoring, and mitigation activities, implementing effective treatment measures to safeguard assets and operations.
  • Oversaw the coordination and monitoring of audit follow-up processes, ensuring prompt resolution of audit findings and compliance with regulatory standards.
  • Managed the planning, coordination, and monitoring of budget processes, supporting effective financial planning and operational budget control for organizational functions.
  • Improved company efficiency with the development of key performance indicators and tracking metrics.
  • Collaborated with stakeholders to identify business needs and data sources.
  • Developed and implemented data governance policies and procedures.
  • Collaborated with cross-functional teams to identify areas of improvement, leading to increased operational effectiveness.
  • Developed customized reports, summarizing and presenting data in visually appealing format.

Head of Bekapai Reservoir Service

PERTAMINA HULU MAHAKAM
Balikpapan, East Kalimantan
11.2019 - 09.2024
  • Company Overview: Subsidiary of PERTAMINA, national energy company, 100% owned by the Government of Indonesia. New operator of the Mahakam oil and gas block, previously operated by TOTAL E&P INDONESIE
  • Manage team of (up to) 10 engineers from Junior, Middle and Senior level
  • Plans and directs all aspects of reservoir engineering studies and operation: production monitoring and reservoir surveillance, production optimization strategy, reservoir evaluation, study and future development projects.
  • Ensure the implementation of HSE in daily Reservoir activities to be in line with HSE policies and standard operating procedures
  • Implement and optimize the reservoir management plan of Field to maximize the production deliverability in the short to medium term (perforation strategy, drill good new wells, keep existing wells alive)
  • Initialize and coordinate sub-surface studies and new development studies related to the future development in the field
  • Ensure that existing wells are properly monitored and revitalized in due time in coordination with Well Performance and Well Service Teams
  • Assess, validate, and submit innovative solutions (perforations strategy, well models, shallow wells, gas-lift optimization) to any relevant entity to maximize oil and gas production
  • Accountable for the reserves and resources estimation (RJPP) and LTP forecast
  • Accountable for the achievements of the Well Performance Group: Well performance Activity. As a member of Well Performance Group, identify the field bottlenecks, the pressure losses and define the appropriate actions to increase the field potential (well management and surface network debottlenecking)
  • Bekapai production above target in the last 3 years
  • EOR implementation study: EOR method screening study, preliminary study for incremental gain estimation by utilizing dynamic simulation, perform preliminary economic evaluation, design strategy for feasibility study EOR Bekapai field (design laboratory work, budget, vendor selection and contract)
  • Maturation of short term, mid-term and long term projects: Bekapai infill drilling Phase 6, Artificial lift project 2nd Phase and Ultra Deep Development Strategy

Senior Reservoir Engineer Bekapai Field

TOTAL E&P INDONESIE
Balikpapan, East Kalimantan
03.2017 - 12.2017
  • Company Overview: subsidiary of TOTAL Group
  • Lead team of 5 engineers from Junior to Middle level
  • Leader for Field monitoring and production optimization, in charge for infill drilling study and future POD preparation.
  • Propose POD Bekapai Phase 3: New development area in Central panel, major surface modification on old platform and perform integrated study with Process Engineering team and Development & Planning team
  • Sand consolidation study and job preparation for the production of unconsolidated reservoirs
  • Successful maintain production above target during transition period from old operator to new operator
  • Contributed to continuous improvement initiatives by performing regular reviews of existing processes, procedures, and systems within the organization''s Reservoir Engineering function.
  • Mentored junior engineers in industry-standard methodologies for successful reservoir characterization and evaluation.
  • Facilitated knowledge sharing among team members by organizing regular workshops, seminars, and training sessions related to state-of-the-art Reservoir Engineering practices.
  • Promoted a culture of safety within the Reservoir Engineering team by adhering to company guidelines and industry best practices.
  • Delivered comprehensive technical presentations on project status to both internal stakeholders and external partners.
  • Ensured compliance with regulatory requirements by maintaining proper documentation for all Reservoir Engineering activities.
  • Evaluated new technologies and software applications for enhanced reservoir modeling capabilities.
  • Collaborated with multidisciplinary teams to optimize well placement, completion strategies, and drilling programs.
  • Increased project efficiency by streamlining data acquisition processes and implementing best practices in reservoir management.
  • Determined level of compliance and technical feasibility of proposed initiatives.

Senior Reservoir Engineer Handil Field

TOTAL E&P INDONESIE
Balikpapan, East Kalimantan
09.2013 - 03.2017
  • Company Overview: subsidiary of TOTAL Group
  • Lead team of 5 engineers from Junior to Middle level
  • Leader for Handil shallow team, field monitoring and production optimization, in charge for Handil shallow infill drilling study, in charge for shallow reservoirs dynamic synthesis, in charge for sweet spot and well catalogue study, in charge for future POD preparation.
  • Successful drilling campaign in 2014 to 2016
  • Propose 1 seismic driven well in 2016. The first seismic driven well in Handil shallow reservoirs and reserves realization is higher than prognosis
  • Extreme very shallow (reservoir 2-3S, 2-5S & 2-8S) development plan: prepare well design, artificial lift selection for high viscous oil, reserves estimation and economic evaluation
  • Propose new methodology for Shallow zone sweet spot identification
  • Well catalogue for future development of Handil Shallow zone
  • Developed innovative reservoir models for accurate reserves estimation and production forecasting.
  • Determined level of compliance and technical feasibility of proposed initiatives.
  • Increased project efficiency by streamlining data acquisition processes and implementing best practices in reservoir management.
  • Integrated dynamic data from multiple sources into robust geological models that accurately depicted the complexity of heterogeneous reservoirs.
  • Facilitated knowledge sharing among team members by organizing regular workshops, seminars, and training sessions related to state-of-the-art Reservoir Engineering practices.
  • Conducted comprehensive reservoir studies to identify opportunities for improved field performance.

Reservoir Engineer SCS Asset

MEDCO E&P INDONESIA
Jakarta, Jakarta
08.2009 - 09.2013
  • Company Overview: subsidiary of Medco Energy International, public listed oil & gas company which operate in Indonesia, US-Gulf of Mexico, Oman, Libya, Yaman & Tunisia
  • In charge for onshore mature field optimization and development, field monitoring and reserves evaluation and certification
  • Project leader for water flood pattern realignment and optimization
  • Project leader for work over campaign and infill drilling study
  • Successful dead well revival campaign
  • Task force for field relinquishment, in charge for work over & drilling AFE close out
  • Increase water injection capacity with better pressure maintenance result and involve in waterflood project
  • Evaluated new field development opportunities through detailed reservoir characterization studies.
  • Conducted rigorous production forecasting to guide long-term planning and budgeting decisions.
  • Collaborated with multidisciplinary teams to develop integrated field development plans for optimal resource extraction.

Graduate Engineer Trainee

MEDCO E&P INDONESIA
Jakarta, Jakarta
07.2008 - 07.2009

Company Overview: subsidiary of Medco Energy International, public listed oil & gas company which operate in Indonesia, US-Gulf of Mexico, Oman, Libya, Yaman & Tunisia

  • Reservoir engineer training program, combination of class room training and on the job training.

Education

MBA - Business Administration And Management

Institut Teknologi Bandung (ITB)
Bandung, JB
09.2023 - 03.2025

Engineering Bachelor degree - Chemical Engineering

Gadjah Mada University (UGM)
Yogyakarta, YO
08.2003 - 02.2008

Skills

Software: OFM, DSS, PetEx (GAP, M-Bal, Prosper), Wellflo, Crystal Ball, Microsoft Office, Saphir, Petrel RE, ECLIPSE, Orange, KNIME, Tableau, PowerBI

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Interests

Watching movies, reading and traveling

Awards

2025: Master of Business Administration, Summa Cum Laude, 2019: SPE Distinguished Lecturer Evaluation Contest Winner, 2018: Officer appreciation from SPE International President, 2011: Award from General Manager of SCS Asset MEDCO E&P Indonesia: Successful Work over campaign in Central Sumatera Asset

Affiliations

  • Society of petroleum engineers (SPE)
  • IATMI: Indonesia association of petroleum engineers

Publications

  • IATM122-202: Integrated Field Development Strategy for Offshore Mature Field – A Success Story from Bekapai Field
  • IPA21-E-122: Artificial Lift Project in Bekapai Field, A Comprehensive and Challenging Selection Process for Mature Offshore Field
  • Optimizing Offshore Mature Field Production – A Practical and Holistic Approach in Bekapai Field (SPE-VPI Workshop 2021)
  • IATM120-117: A Holistic Approach for Production Optimization Strategy in Bekapai Offshore Field
  • IATM120-116: Enhancing Forecast Reliability for Multiphase Reservoirs of a Mature Bekapai Field Using Integrated Production Modeling, A Key to Optimize Field Development and Management
  • Integrated Geomodeling And Reservoir Analysis On Complex Multilayer Reservoirs: A Key To Identify Un-Swept Areas For Future Development Of Mature Oil & Gas Field (THE 49TH IAGI ANNUAL CONVENTION & EXHIBITION)
  • SPE-186299-MS: Integrated Reservoir Analysis and Geomodeling on Shallow Zone of Handil Field, a Key to Identify Un-Swept Area for Future Development of Mature Oil Field

Training

  • 2020 Petrophysics & Core Analysis, PHM: 40hrs
  • 2019 Oil & Gas Field Development, PHM: 40hrs
  • 2017 ECLIPSE Fundamental, TOTAL E&P: 80hrs
  • 2016 PVT and Thermodynamics, TOTAL E&P: 40hrs
  • 2015 Hunting for Oil, TOTAL E&P: 40hrs
  • 2015 IPM Course, Mbal - Prosper – GAP, Petex: 40hrs
  • 2015 Fundamental Reservoir Geology, TOTAL E&P: 40hrs
  • 2015 ECLIPSE Black Oil Reservoir Simulation, Schlumberger: 40hrs
  • 2015 WFT Pearl, TOTAL E&P: 40hrs
  • 2015 Understanding E&P Value Chain, TOTAL E&P: 16hrs
  • 2014 Reservoir Monitoring and Dynamic Synthesis, TOTAL E&P: 40hrs
  • 2012 Gas Reservoir Engineering, Tarek Ahmed: 40hrs
  • 2012 Introduction to Simulation Modelling using IMEX, GEM, STARS, Builder and Results, CMG: 40hrs
  • 2011 Advanced Well Test Analysis, Next - Schlumberger: 40hrs
  • 2011 Waterflood Workshop, MEDCO E&P: 80hrs
  • 2010 Reservoir Petrophysical Log Analysis, Geoservices: 40hrs
  • 2010 Applied Reservoir Engineering, MEDCO E&P: 40hrs
  • 2009 Basic Drilling, Intervention and Workover, MEDCO E&P: 40hrs

AREA OF EXPERTISE

  • Brown and Green Field Development: Offshore, Swamp and Onshore
  • Integrated Production Modelling: MBAL, Prosper & GAP
  • Production Forecasting, Long Term Planning and Reserves Certification
  • Reservoir Simulation for Chemical EOR: Eclipse and Petrel RE
  • Field Monitoring and Production Optimization: Well and Reservoir Management, Dynamic Synthesis and Production Analysis

Timeline

Senior Analyst Portfolio Management

PERTAMINA Persero
10.2024 - Current

MBA - Business Administration And Management

Institut Teknologi Bandung (ITB)
09.2023 - 03.2025

Head of Bekapai Reservoir Service

PERTAMINA HULU MAHAKAM
11.2019 - 09.2024

Senior Reservoir Engineer Bekapai Field

TOTAL E&P INDONESIE
03.2017 - 12.2017

Senior Reservoir Engineer Handil Field

TOTAL E&P INDONESIE
09.2013 - 03.2017

Reservoir Engineer SCS Asset

MEDCO E&P INDONESIA
08.2009 - 09.2013

Graduate Engineer Trainee

MEDCO E&P INDONESIA
07.2008 - 07.2009

Engineering Bachelor degree - Chemical Engineering

Gadjah Mada University (UGM)
08.2003 - 02.2008
Benidiktus Gunung MassukaSenior Analyst Portfolio Management