About Us

Experts in Solutions.
“We are amused by the fear and excitement while pushing the boundary to envision the future.”

Jantiur Situmorang

Founder / CEO

 What  We Do

We have been providing technical consultancy throughout geothermal project development stages from exploration to operation for numerous respected geothermal companies. 

The transformation of the nature of work in the energy industry is inevitable. Therefore, AILIMA is committed to support the business growth of our clients by reducing uncertainty, managing risk and promoting optimization through integrated systems and automated artificial intelligence.

The increase of renewable energy’s contribution to support world energy demand requires continuous technology and people development. Hence, AILIMA is focused on bringing our high quality innovation to be more accessible to students, industry practitioners and stakeholders.

 Vision 

Continuously turning novel ideas into reality through five solutions.

Experience – Creativity – Agility – Artificial Intelligence – Leading

 Mission 

To boost the profitability and capacity building of our clients through our technology, technical consultancy, training and continuous innovation.

Meet the  Team 
Jantiur Situmorang

Chief Executive Officer

Master in Geothermal Engineering, ITB

Bachelor in Petroleum Engineering, ITB

Geothermal Field Evaluation in Exploration and Development Stages, Resourse Due Delligence, Naturally Fractured Geothermal Reservoir Simulation, Field Optimisation, Reservoir Management, Drilling Strategy and Well Targeting, Geothermal Technology/Softwares Development.

PROFESSIONAL SUMMARY

Jantiur has 15 years of experience in the Geothermal. He has involved in numerous geothermal development projects in Indonesia and New Zealand.

In his previous experience as reservoir engineer and subsurface consultant, Jantiur has worked for several big geothermal companies and development bank, including Chevron, Star Energy, Supreme Energy, Mercury, Medco Power Indonesia, Asian Development Bank.

Development stage for fields: Kawerau, Kamojang, Darajat, Salak, Wayang Windu, Dieng, Patuha. Namora I Langit, Silangkitan.

Exploration stage for fields: Muara Laboh, Rantau Dadap, Raja Basa, Tulehu, Ijen.

Jantiur has Expertise in naturally fractured geothermal reservoir modeling from conceptual modeling, model construction & calibration, forecast/reserves estimation, and reservoir optimization/management. Jantiur has applied reservoir modelling for geothermal development due diligence, resource assessment, resource management and field optimization:

  • Involved in the development of Kamojang (200 MW) for due diligence of Kamojang Unit V 60 MWe (Single Flash)
  • Developed Darajat (260 MW) reservoir model and probabilistic reservoir modeling workflow for due diligence of Darajat-unit IV 55 MWe (Single Flash). Applied reservoir model for long-term reservoir optimization through reinjection management and Turbine Inlet Pressure modification.
  • Provided technical assistance for the development of Wayang Windu (220 MW) reservoir model.
  • Developed Muara Laboh 80 MWe numerical model to support due diligence of Muara Laboh Unit I-80 MWe (Dual Flash).
  • Updated the Muara Laboh numerical model for resource review and field expansion after development drilling of Muara Laboh field.
  • Provided reservoir modeling technical assistance to support GeoDipa for due diligence of Dieng Unit II (55 MWe) development using Combined Cycle process.
  • Under ADB, provided reservoir modeling technical assistance for due diligence of Patuha Unit II (55 MWe) development.
  • Performed reservoir proses modeling to assess reservoir processes and characteristics including: well connectivity, recharge mechanism, interference effect, flashing development, cooling, well coughing, etc.

Feasibility study and Plan of Development for: Muara Laboh Unit I 80 MWe, Dieng Unit II 55 MWe, Patuha Unit II 55 MWe, Tulehu.

Managed field operation to optimize the value of field assets, Managed steam supply and injection supply to ensure full power generation, Design geothermal surveillance: well testing: completion tests, pressure transient tests, interference tests, discharge initiation, production tests, Well targeting during exploration, development, and exploitation drilling.

Selected Publications:

  • Numerical Simulation Update of Dieng Geothermal Field, Central Java, Indonesia (New Zealand Geothermal Workshop, 2019)
  • Conceptual Model an Numerical Simulation Update of Patuha Geothermal Field West Java, Indonesia (New Zealand Geothermal Workshop, 2019)
  • Numerical Simulation to Understand Well Coughing Mechanism in Kawerau Field, New Zealand (Stanford Workshop on Geothermal Reservoir Engineering, 2018)
  • A Reservoir Simulation of the Muara Laboh Field, Indonesia (Stanford Workshop on
    Geothermal Reservoir Engineering, 2016)
  • Modeling and Investigation of Static Formation Temperature Test (SFTT) Using Numerical
  • Simulation (New Zealand Geothermal Workshop, 2016)
    Two-phase flow: Evaluation of void fraction correlations to modeling pressure drop in geothermal wells (IIGCE, 2016)
  • A Comprehensive Well Testing Implementation During Exploration Phase in Rantau Dedap, Indonesia. (Stanford Workshop on Geothermal Reservoir Engineering, 2016)
  • Geothermal Wells Discharge Initiation using Air Lift and Air Compression: Case Study With and Without Down-flow in the Wellbore (Proceedings 36th New Zealand Geothermal Workshop, 2014)
  • Well Characteristic in Great Sumatera Fault (GSF): New Finding (2nd ITB Geothermal Workshop, 2013)
  • Evaluation of Weirs Calculation to Estimate Well Capacity: a Numerical Study (IIGC, 2013)
  • Production Decline Analysis of Dry Steam Wells in Wayang Windu Field (Stanford Workshop on Geothermal Reservoir Engineering, 2013)
  • The Interpretation of Liquid Column Presence inside Wellbore of Dry Steam Well in Vapor Dominated Reservoir (Stanford Workshop on Geothermal Reservoir Engineering, 2012)
  • An Analytical Approach to Determine the Effect of Geothermal Well Configuration on Production Decline of Dry Steam Field (1st ITB Geothermal Workshop, 2012)
  • Development of Dimensionless IPR Equation in “X” Geothermal Field. (Annual Indonesian Geothermal Association Meeting and Conference, 2011)
  • Validation Test of Jorge Acuna Method to Calculate Production Decline in Several Dry Steam Wells. (Annual Indonesian Geothermal Association Meeting and Conference, 2011)
  • A Simple Equation to Calculate Reservoir Pressure of Dry Steam Well from Shut-in WHP (Annual Indonesian Geothermal Association Meeting and Conference, 2011)
  • Analysis of PTS Survey in Dry Steam Well (Annual Indonesian Geothermal Association Meeting
    and Conference, 2011)
Jessica Stephani

Chief Business Officer

Master in Energy, The University of Auckland

Bachelor in Industrial Engineering, UI

Business Improvement, Business Strategy, Energy Economics, Energy Finance, Financial Modeling, Commercial Analyst, Marketing, Project Management, Operational Excellence, Drilling Fluid Engineering, Petroleum & Geothermal Drilling.

PROFESSIONAL SUMMARY

Jessica studied Industrial Engineering as her bachelor degree then mastered her knowledge in Renewable Energy as her postgraduate.  She has around 8 years experience up till 2020, mostly in the energy industry and technology-based startups. In the energy industry, she spent most of her tenure as a drilling fluid engineer and a short period of a commercial analyst in oil and gas service companies. During that moment, She acquired skills both for the technical and non-technical side including drilling fluid engineering, petroleum & geothermal drilling, project management, and commercial analysis. 

Project: Geothermal Drilling in Sarulla North Sumatra (Sarulla Operation Limited): 11 wells, Oil and Gas Drilling in Badak & Nilam Field (Vico, East Kalimantan): 4 wells, Workover Oil and Gas Drilling in Chevron Pacific Indonesia (Duri-Riau), LMP Lamongan East Java, LMP Tanjung Batu East Kalimantan.

Well problem: Kick, Steam Kick, Stuck Pipe, Hot Gas Charged of CO2 & H2S, reactive clay, Paleosoil, Partial Loss Circulation, Total Loss Circulation, hole stability.
Mud type: Oil Based Mud-Sodium Silicate, KCL Gel Polymer WBM, Gel Polymer WBM, Dispersed Mud, Aerated Mud, Workover Brine.

Afterward, she crossed the line in order to enhance her skill in business improvement, project management and marketing by working in two biggest startups in Indonesia as project manager for strategic marketing and operation. Along the journey, she found her vision to be committed to energy business in Indonesia and gained a scholarship from New Zealand Ministry to continue her study at the University of Auckland, majoring in Master of energy. Her focusses mostly on energy economics and business. Her final project is about the public-private partnership model on the geothermal project to accelerate energy development in Indonesia. While studying her postgraduate, she also served as a renewable energy consultant in an energy consulting firm in Auckland. With such a rich experience and knowledge related to the industry, Jessica possesses the ability to be a catalyst to support breakthrough in Indonesia's energy development.

Welly Prabata​

Chief Technology Officer

Master in Geothermal Engineering, ITB

Bachelor in Chemical Engineering, ITS

 

Reservoir Numerical Modeling, Field Development Plan, Data QA/QC, Process Evaluation and Optimization, Software Developer.

PROFESSIONAL SUMMARY

Welly has 4 years of experience as process engineer in FMCG industry and 3 years of experience as geothermal project consultant (specialization on reservoir and process engineer).

Development stage for fields: Dieng, Patuha, Talaga-Karaha Bodas.

Exploration stage for fields: Ijen, Bonjol.

Involved in several geothermal projects, such as:

  • Performed Feasibility Study and Plan Development of Dieng Unit 2 (55 MWe)
  • Developed Dieng reservoir model and sensitivity reservoir model for due diligence of Dieng-unit 2 55 MWe (Combined Cycle).
  • Involved in Application of UNFC to geothermal energy resource:  case study Ulumbu, East Nusa Tenggara, Indonesia.
  • Involved in Plan of Approach for Small Scale Power Plant Project Development
  • Developed an application for performing pressure drop and heat loss calculation in surface pipe production
  • Developed JIWA Flow, a wellbore model application with cloud-based computation

Selected Publications

  • Numerical Simulation Update of Dieng Geothermal Field, Central Java, Indonesia (Proceedings New Zealand Geothermal Workshop, 2019)
  • Experimental Design and Response Surface Method Application in Resources Assessment: Case Study Karaha-Talaga Bodas, West Java, Indonesia (Proceedings New Zealand Geothermal Workshop, 2017)
  • The Development Study of Karaha-Talaga Bodas Geothermal Field Using Numerical Simulation (Geothermal Energy: Science, Society, and Technology
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E Sri​

Chief Financial Officer

Bachelor in Accounting and Finance

PROFESSIONAL SUMMARY
Jessica Tjendana​

Legal Advisor

BSosc (Hons) in Politcs & IR, The University of Manchester

LLB (Hon) in Law, The College of Law

GraDip in Law & LPC, The College of Law

Legal Manager with a Demonstrated History of Working in Various Industries Including Start-Up Company, Financial Technology (fintech) and Technology Company. Strong Knowledge in Payment Gateway, Financial Technology (Fintech), Bank Indonesia Regulation. Skilled in Commercial Law, Intellectual Property, Employment Law.

PROFESSIONAL SUMMARY

Jessica studied politics and international relations at the University of Manchester and continued her study at the College of Law, Manchester. She has various experience of working both in corporate and commercial work. For the last two years, Jessica has been working in the technology-based start-up in Indonesia.

Thomson Haposan​

Lead Programing Engineer

Bachelor in Physics, UNPAD

 

Developing web, android, and VR applications for automotif, banking, e-learning, and gaming industry. Full-stack programming, handling and analyzing frontend and backend process.
Design and develop microservices architecture with RESTFull API, cloud system integration with Azure, CI/CD integration, TFS/Git repository.

PROFESSIONAL SUMMARY

Experiences:

  • Tracking tools Unity package (Unity 5.3.8f2, C# .Net Core 3.5, React Native)
  • DRM (Digital Right Management) Tools for android apps to protect content such as apk, images, etc (Android java)
  • Download Manager and apps to set up lock screen and wallpaper (Android java)
  • Collaborating with the deployment manager to provide a smooth simulation deployment, maintain and updates for deployment process (tools : bamboo script, heroku, coffee script)
  • Web development in various companies
  • Android applications development with java

Skillset:

.NET C#, Asp.Net, Entity Framework, .NET Core, Java Android, C++, Python, Matlab, Ms. SQL Server, Postgre SQL, MySQL, ngrok integration to set-up local on-premis server, Azure Cloud Services, HTML5, JavaScript, JQuery, Selenium Web Scrapping/Automation Test.

Muchamad Harry

AI Engineer

Bachelor in Mathematics, ITB

 

Developing Mathematical Model and Numerical Simulation for Many Problems. Proficient in Linear Algebra, Computational Mathematics, Differential Equations, Numerical Methods, Optimization Methods, Mathematics Cryptography, Stochastic Processes and Neural Networks. Doing Machine Learning Implementation for Geothermal Production Wells in my thesis.

PROFESSIONAL SUMMARY
Experience:
  • Coordinator assistant and grader for Simulation and Mathematical Computation.
  • Assistant laboratory for Numerical methods in Mathematics.
  • Project officer of Mathematical Challenge Festival ITB 2019.
Projects :
  • 2020 : Gradientless Neural Network for Geothermal Production Well Evaluation and Early Warning System.
  • 2019 : Determination of Optimal Location for Disaster Mitigation Facilities in Banten
  • 2019 : Modified Linear Programming Optimization of Aerial Disaster Response System
  • 2017 : Analysis of the Linkage of Installed Capacity of Power Plants to the Quantity of Micro, Small and Medium Enterprises in Indonesia
Awards :
  • Runner Up of Indonesian Flying Robot Contest (KRTI) 2018 Fixed Wing Division
  • Awardee of Mathematics Dean’s List in Academic Performance
Programming Language :
Python, MATLAB, C++
Muhammad Sidqi​

Geoscientist

Bachelor in Geological Engineering, UGM

 

Exploration Geology, Geothermal Geochemistry, Conceptual Model Development, Data QA/QC, Database Management, Software Development, Mineralogy, Volcanology, Structural Geology, GIS, Graphic Design.

PROFESSIONAL SUMMARY

Sidqi is a geoscientist - tech savvy with a strong background in geology and geochemistry. Since pursuing a bachelor degree in geological engineering (geology), he has exposure in geothermal project, research, and social service. His bachelor thesis was about geothermal system in volcanic complex. Sidqi also actively involved in several event and project as a graphic designer. In AILIMA, Sidqi is currently working collaboratively in a cross-discipline team as a subsurface expert representative to developing innovative solutions for geothermal project development, from exploration to operation.

Experience:
  • Assigned as a field leader for geothermal student community empowerment project (non-profit) around Lahendong, North Sulawesi.
  • Thesis student in PGE Area Kamojang. He conducted samples preparation, QA/QC and analysis, to data integration and interpretation to support his thesis about geothermal system in volcanic complex. 
  • Involved in various GRC UGM project, research, and social service, namely evaluation of geothermal system in Lahendong – Tompaso Field, permeability identification of Candradimuka Prospect, geochemical sampling in Sikidang - Dieng, geothermal social-tourism mapping, development of geothermal hot spring facility, Revitalisation of Geothermal Education Centre in North Sulawesi, hosting course and fieldtrip in geothermal geoscience and engineering, and development of the geothermal syllabus for high school students in North Sulawesi.
  • Worked as a geologist in KPC for Mining exploration and development in Kalimantan, which cover working tasks from data QA/QC, database management, data integration and interpretation, involved in resource estimation and exploration strategy (mapping, drilling, geochemical sampling, geophysical survey, lab analysis, etc.), conduct technical evaluation and fieldwork for new prospects, and performed operational paperwork.

Selected Publications:

  • Geothermal Prospect in Lahendong Geothermal Field of Tomohon – Minahasa Volcanic Terrain (TMVT), North Sulawesi, Indonesia (WGC, 2020)
  • Geology and Geothermal Systems of the Minahasa District, North Sulawesi (IIGCE, 2018)
  • Contrasting Geology of Sumatra and Banda – Molucca Seas Geothermal Prospects: A Remote Sensing Approach (IIGCE, 2017)
  • Mineralogy Characteristics for Gold Extraction: Case Study of Randu Kuning Prospects, Wonogiri, Central Java (SEMNAS, 2017)

Achievements:

  • Co – creator of the first geothermal geology and geochemistry practicum subject for undergraduate student in Indonesia
  • Chosen as a teaching assistant/ lab instructor in UGM for field geology, seismic geophysics, non – seismic geophysics, petrology, and crystallography – mineralogy subjects
  • Champion of South Asian Geoscience Student Competition 2016 in Sustainable Energy
  • 3rd Winner of Geology Student Competition 2016 in Geothermal, O&G, and Mining
  • Finalist of Indonesia Energy Innovation Challenge in Renewable Energy with topics about geothermal geochemistry and process engineering
Hendryansyah William

IT Creative Engineer

Bachelor in Multimedia and IT, UMHT

 

Graphic Design, Web Developer.

PROFESSIONAL SUMMARY
Hendry is a graphic designer. He is really enthusiastic about design, photography, and video editing. After graduating from his bachelor’s degree he poured his creative ideas working as a freelancer to help clients designing logos and posts for e-commerce purposes. He has vast experience managing social media platforms for several e-commerces and developing web design architecture for a company. He is really keen to brainstorm and transform creative ideas and concepts into high-quality key visuals. Now he currently serves as IT Creative Engineer at AILIMA to develop web design, key visual media, and all related design collateral.
 
Experience:
 
  • Develop online visual communication content including video, banner, and web design at the expedition company.
  • Managing Social Media for e-commerce companies
  • Designing and building the interface, navigation, and architecture of websites for businesses and clients
  • Create all marketing design collaterals 
Application Skill:
 
CorelDRAW, Illustrator, Photoshop, Premiere Pro, After Effect, Microsoft Office.
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R Darmawan

Software Engineer

Bachelor in Computer Science, Mercu Buana

AMD in IT, Politeknik Pos Indonesia

Project Management , Software Development, Software Testing and Debugging, System Analyst.

PROFESSIONAL SUMMARY
Kurnia Anwar Ra'if

Software Engineer

Bachelor in Physics, ITB

Computational Geophysicist, Geophysical Surveyor, Numerical Simulation for Electromagnetic and Geo-Electrical Method, Numerical Simulation for Magnetic method, Data Analyst, Geophysical Software Developer, Web Developer.

PROFESSIONAL SUMMARY

I’m Kurnia Anwar Ra’if, Bachelor Degree in Physics, Earth Physics Division from Bandung Institute of Technology. I have been involved in Computational Geophysics Project in Magnetotelluric, Geo-Electric, and Thesis about using Magnetic method for checking manifestation Geothermal in Papandayan Mountain. Experienced In computational geophysics project in Magnetotelluric Method, GPR Method, Geo-Elctrical Method, and Magnetic Method. Creates four applications both Inversion and Forward modelling in Magnetotelluric and Geo-Electric Method for one Dimension, Get two HAKI PATENTS for Inversion and Forward Modelling in Magnetotelluric Method. Internship in RCNP Osaka University for visualization Nuclear data using SQL and Tableau. Now do Web Development project in Ailima Using Visual Studio.

Experience :

  • Assistant Research as software developer using MATLAB and Python for Magnetotelluric Method in Geophysical Engineering ITB. (March 2019- June 2020)
  • Assistant Research as software developer using MATLAB and Python for Geo-Electrical Method in Geophysical Engineering ITB. (October 2019 – May 2020)
  • Coordinator Assistant in advance Physics Laboratory and Computational assistant in Geophysical Engineering ITB using MATLAB and C++. ( August 2019 – Feb 2020)
  • Assistant Project as Earth Physicist for Electromagnetic, Geo-Electric, Magnetic, Gravity method for Oil & gas and Geothermal Surveying. ( March 2019 – May 2020 )
  • Exchange Program as Researcher in RCNP Osaka University for Visualization Nuclear Data Using SQL and Tableau. (Nov 2019)
  • Software Engineer in Ailima using Visual Studio for Web Development (Now)

Application Skill :

MATLAB, C++, Python, MySQL, Tableau, MySQL Server, R, Microsoft office, C#, html, and JavaScript.

Awards :

  • HAKI Patents from KEMENTERIAN HUKUM DAN HAK ASASI MANUSIA about MTSINV and MTSF for Applications Magnetotelluric calculation data
  • Innovation Award for ICT and Creative Industry (ITB CEO NET Festival 2019)
  • Awardee of Physic Dean’s List in Academic Performance 
  • 3rd Winner of 35th GEMA UGJ National Mathematics Paper Competition (in Data Science)
  • Awardee of Beasiwa Unggulan Kementrian Pendidikan dan Kebudayaan

 

Mutiara Sihombing

Business Strategist

Bachelor in Petroleum Engineering, ITB

Managament Evaluations, Energy Economics, Reservoir Modelling, Well Testing and Market Analysis.

PROFESSIONAL SUMMARY

Mutiara Melanie Sihombing is a final year undergraduate student from Bandung Institute of Technology, majoring in Petroleum Engineering. Her areas of expertise include Project Managament Evaluations, Energy Economics, Reservoir Modelling, Well Testing and Market Analysis. She had her internship at PERTAMINA EP as a Reservoir Engineer. She was assigned as a Project Manager of Surface Facilities Installation (a final task of Project Management course). She is currently working at AILIMA as a Business Strategist.

Experiences:

  1. Internship in Pertamina EP Asset 3. She conducted a well testing analysis of XX Field in Randegan using Saphir.(June 2019-July 2019)
  2. Project Manager of Surface Facilities Installation for Project Management course final task. Her group was chosen as the best group. (January 2020-May 2020)
  3. Business Strategist at AILIMA. (Now)

Skills:

Microsoft Project, CMG, Saphir, Pipesim, PETREL.

Salsabila Tantri Ayu

Business Strategist

Bachelor in Chemistry, ITB

Business, Journalism, Marketing, Chemistry.

PROFESSIONAL SUMMARY

Salsabila is a final year undergraduate student from Bandung Institute of Technology, majoring in Chemistry. Her areas of expertise include Journalism, Copywriting, Bioplastic, Cosmetic Chemistry, Project Management and Digital Media and Marketing Strategies. She had her internship at IDMarco as Bussines Development Intern and at Kaharsa as Project Officer. She was working as Journalist at Kantor Berita ITB. She is currently working at AILIMA as a Business Strategist.

Experience

  • Internship in IDMarco, conducted market research and find potential suppliers. Constructed Value Stream Mapping for leaner businesses model. (2019)
  • Internship in Kaharsa, Developed, planned, coordinated, executed and documented over 15 various workshops. (2020)
  • Journalist at Kantor Berita ITB (2019 – present)
  • Business Strategist in AILIMA (Present)

Application Skill

Microsoft office.

Budiman Dwi Putra

Business Strategist

Bachelor in Petroleum Engineering, ITB

Project Management, Event Organizer, Event Planning, Production Engineering, Surface Facilities.

PROFESSIONAL SUMMARY

Budiman Dwi Putra is a Final Year Undergraduate Student at Petroleum Engineering Institut Teknologi Bandung. He experienced in Project Management, Event Organizer, Event planning, Formal Debate Competition, Presentation and also Production Engineering, mainly in Surface Facilities. He has been involved in risk management analysis for field project management. In his study prosses in collage, he got an opportunity as intern program in Pertamina Hulu Energi Jambi Merang as Production Engineering intern, and assigned on piping system planning for gas wells using Pipesim software. Now working in ALIMA as a Business Strategist.

Experience

  1. Internship in Pertamina Hulu Energy Jambi Merang for Production Engineering (2019)
  2. Reservoir Fluid Laboratorium Assisten at Petroleum Engineering Program Institut Teknologi Bandung (2019)
  3. Business Strategist in AILIMA (Present)

Application Skill

CMG Builder, Pvtp, Pipesim, C++, Microsoft Office.

Theresia Yolanda Sagala

Business Strategist

Bachelor in Petroleum Engineering, ITB

Wellbore Simulation, Well Testing, Reservoir Modelling, Marketing, Graphic Design

PROFESSIONAL SUMMARY

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