Project Experience

Field references across marine, offshore, nearshore, and onshore work.

THI's public project references cover marine geophysical services, offshore geotechnical survey with MV AG Geodrill, other marine spreads, nearshore and onshore work, engineering study, and water well drilling.

02 Project List

Project list

Project references grouped by THI service line.

01 / Marine Geophysical

2D/3D High Resolution Marine Seismic

References covering high-resolution seismic acquisition, geohazard survey, processing, and interpretation for exploration and development planning.

  • Provision of Bathymetry Survey and Vessel Charter Services - PT Sumbawa Timur Mining, 2025
  • Research and development services for submarine HVAC cable route survey in Indonesia - Keppel Energy Pte Ltd, 2025
  • Provision of Debris Survey Services - Saka Indonesia Pangkah Limited, 2025
  • Provision of Geophysical Survey and Associated Services - Medco E&P Natuna Ltd and Medco Energi Madura Offshore Pty. Ltd., 2024
  • Geohazard Survey 2D/3D UHR Seismic Survey - PT Seascape Survey Indonesia for Pertamina Hulu Kalimantan Timur, 2024
  • Pipeline Side Scan Survey and WHP Subsidence Analysis - Husky-CNOOC Madura Limited, 2023
  • Geohazard Survey Services Call 6 - PHE ONWJ, 2023
  • Provision of Geophysical and Shallow Geotechnical Site Investigation Services, 2023
  • Geohazard Survey Services Call 5 - PHE ONWJ, 2023
  • Geohazard Survey Services Call 4 - PHE ONWJ, 2022
  • Geohazard Survey Services Call 3 - PHE ONWJ, 2022
  • Geophysical, geotechnical, and other related services, 2022
  • Geohazard Survey Services Call 2 - PHE ONWJ, 2022
  • Geophysical, geotechnical, and other related services, 2021
  • Change order bathymetric, geophysical, and offshore geotechnical survey services at Cirata 145MW Floating Solar Power Project - PLTU Cirata, 2021
  • Geohazard Survey Services Call 1 - PHE ONWJ, 2021
  • Geotechnical, bathymetric, and geophysical survey services at Cirata 145MW Floating Solar Power Project - PLTU Cirata, 2021
  • High Resolution Marine Seismic Survey Services, East Seram PSC, Offshore Kobi and Bula, Maluku - Balam Energy Pte Ltd, 2020
  • Bathymetry Acquisition Services, East Seram PSC, Offshore Kobi and Bula, Maluku - Balam Energy Pte Ltd, 2020
  • UHR/HR Seismic Survey for Mahoni, Sepinggan Sierra, Sepinggan Rajah, Sejadi, and Serang Baru, East Kalimantan - PHKT, 2020
  • Geophysical, geotechnical, and other related services, Natuna Sea, Riau Islands - Medco E&P Natuna Ltd, 2020
  • Marine site survey for intake, outfall, jetty wharf, bathymetry, manual sounding, SBP Hi-Res, and seabed sampling at Central Java Power Plant Project, Batang - PT Hydrocore for Mitsui Engineering and Shipbuilding Co. Ltd, 2020
  • Marine survey for bathymetric, seabed Hi-Res sub-bottom profiling, magnetometer, and geotechnical investigation at Central Java Power Plant Project, Batang - PT Hydrocore for Wakachiku Construction Co. Ltd, 2019
  • Geotechnical, bathymetrical, geophysical, and hydrometeorological survey, offshore and onshore Penajam, East Kalimantan - PT Kereta Api Borneo, 2017
  • Bathymetric survey for Chipmill Jetty at Kariangau Balikpapan River, East Kalimantan - PT Fajar Surya Swadaya, PT Djarum Group, 2010
  • Vibrocoring work, 230 points up to 500 m water depth, for Pertamina Matindok Geochemistry Study - PT MGS, 2011
View service →
02 / Offshore Geotechnical

Offshore Geotechnical Survey

Marine soil investigation scopes delivered with offshore drilling, CPT, sampling, coring, and downhole support for engineering decisions.

  • Offshore geotechnical survey using MV AG Geodrill
  • Provision of Site Survey and Soil Investigation Survey for North Ketapang Exploration Field, East Java - PETRONAS North Ketapang Sdn. Bhd., 2025
  • Geotechnic Services - PT Pertamina Hulu Energi Offshore South East Sumatra, 2025
  • Provision of Pipeline Pre-Engineering Geotechnical Survey Services - Consortium PT Saipem Indonesia and PT Meindo Elang Indah, 2025
  • Nearshore geotechnical scope for Offshore Shallow Water Geotechnical Survey, Abadi OLNG Project, Masela Block - PT Fugro Indonesia, 2025
  • Provision of Geotechnical Survey Services for OML 83 FEED - Enviros Survey & Consultancy Limited, 2025
  • Onshore and intertidal geophysical and geotechnical survey - Inpex Masela Ltd., 2025
  • Shallow Water Geotechnical Survey, LNG PP - PT Freeport Indonesia, 2025
  • Geotechnical Survey Congo LNG Development Project - RINA Consulting SpA, 2025
  • Offshore Geotechnical for Pre-Engineering Survey - PT Elnusa Tbk for PT Pertamina Hulu Mahakam, 2025
  • Provision of Service for Onshore Geotechnical Survey for Ubadari, EGR/CCUS, Onshore Compression Project - BP Berau Ltd., 2024
  • Provision of Shallow Hazard Survey Services in Pertamina Hulu Kalimantan Timur working area - PT Elnusa Tbk for PHKT, 2023
  • Geotechnical Survey Service for SUISEN-1 Prop Exploration Well and Tambakboyo Field Development - Saka Energy Muriah Ltd and Saka Indonesia Pangkah Limited, 2022
  • Offshore Geotechnical Survey Service - PT Seascape Surveys Indonesia, 2022
  • Geotechnical Survey Service for Malong, Belida NE, Forel, and Bronang Field - Medco E&P Natuna, 2022
  • Offshore Geotechnical Survey for Marine Terminal and Offshore Facilities, PRPP Great Project, Tuban - PT Haskoning Indonesia for Pertamina Rosneft, 2021
  • Geotechnical Survey Service for proposed GQX-1 Exploration Well Project - PHE ONWJ, 2021
  • Offshore Geotechnical Survey Services for Jawa 9 & 10 Coal Fired Steam Power Plant - PT Hutama Karya, 2021
  • Onshore Geotechnical Survey Services at Cirata 145MW Floating Solar Power Project - PowerChina Huadong Engineering Corporation, 2021
  • Offshore Geotechnical Survey Services for Fanny Site, PHE OSES Area - PT Elnusa Tbk, 2021
  • Offshore Geotechnical Survey Services for Suratmi Site, PHE OSES Area - PT Elnusa Tbk, 2020
  • Offshore Geotechnical Survey at Serang Baru, PHKT Area, East Kalimantan - Seascape Survey for PHKT, 2020
  • Offshore Geotechnical Survey at SPS Mahoni, PHKT Area, East Kalimantan - Seascape Survey for PHKT, 2020
  • Drilling support services for geotechnical soil boring, 2020 OPL YY Relief Well - PHE ONWJ, 2020
  • Geotechnical survey for jack-up rig location at Kerindingan Platform - Seascape Survey for PHKT, 2020
  • Offshore Geotechnical Survey Work for FEED Project Bromo, East Java - Worley Pte Limited, 2020
  • Offshore Geotechnical Survey Work for Natuna Sea geophysical, geotechnical, and related services - Medco E&P Natuna Ltd, 2020
  • Offshore Geotechnical Survey Services for Offshore Lawe-Lawe Facilities Project, RDMP RU V Pertamina Balikpapan - PT LAPI ITB, 2020
  • Geotechnical Survey Services for jack-up rig locations near Kerindingan Platform and additional PHKT locations - PT Seascape Surveys Indonesia, 2020
  • Offshore Geotechnical Survey Services for Parang-2 Bunyu, PHE Nunukan - PT Java Offshore and PHE Nunukan, 2020
  • Geotechnical Survey Services for Seguni-A, Santan STA, and Victor jack-up rig locations - PT Seascape Surveys Indonesia and PHKT, 2019-2020
  • Offshore Geotechnical Survey for MOPU Location at MBH Field, Madura Strait - HCML, 2019
  • Offshore soil investigation for Toll Sea Bridge, Balikpapan Bay, Penajam - PT Waskita Karya, 2019
  • Geotechnical survey for Seturian 10 jack-up rig location - PT Seascape Surveys Indonesia and PHKT, 2019
  • Geotechnical Soil Boring for YYA-1 Relief Well, Java Sea - PHE ONWJ, 2019
  • Survey soil investigation for new SPM at Pertamina Pengapon Project, Semarang - PT Surveyor Indonesia and Pertamina, 2019
  • Geotechnical soil boring for NWY-1 Exploration Well, Java Sea - PHE ONWJ, 2019
  • Offshore Geotechnical Survey for Central Java Power Plant intake and outfall line, Batang - Mitsui Engineering & Shipbuilding Co. Ltd, 2018-2019
  • Offshore Geotechnical Survey for PHE WMO near PHE-12 Platform, Madura Block - PT Elnusa Tbk, 2018
  • Offshore Geotechnical Survey for WHP-C and WHP-D worksites, Pangkah PSC Block, East Java - Saka group companies, 2018
  • Offshore Geotechnical Survey for PLTGU Jawa 1 CCPP IPP Project, Cilamaya Subang - PT Meindo Elang Indah, 2018
  • Offshore Geotechnical Survey for FEED of Multi Column Tension Leg Platform, L-Parigi Field, Subang - Technip FMC, 2018
  • Nearshore and Offshore Geotechnical Survey for SPL and SPM Pertamina Refinery Unit VI Balongan - PT ITS Tekno Sains, 2018
  • Marine geotechnical investigation for New 2nd Jetty, BP Tangguh Expansion Project - CSTS Joint Operation, 2017-2018
  • Survey soil investigation for SPM at Pertamina Pengapon Project, Semarang - PT Surveyor Indonesia and Pertamina, 2017
  • Offshore Geotechnical Survey for Jack-up Rig of PHE ABAR - PT Alamjaya Makmur Sejahtera and PHE Abar, 2017
  • Nearshore Geotechnical Survey for LNG Carrier Jetty Project, KITe Lombok - PT Patra Drilling Contractor, 2017
  • Nearshore Geotechnical Survey for FSRU Project, KITe Makassar - PT Patra Drilling Contractor, 2017
  • Nearshore and Offshore Geotechnical Survey for SPL/SPM Pertamina UP VI Balongan - PT Pageo Utama and Pertamina UP VI, 2017
  • Offshore geotechnical survey using other marine spread
  • Offshore geotechnical survey works for mooring system design and geotechnical data for floating storage tanker at Bangka Strait - ConocoPhillips Indonesia Inc. Ltd, 2015
  • Offshore soil boring for CNOOC Widuri and Lisa at Malaka Strait - PT Geoservices, 2014
View service →
03 / Onshore Geotechnical

Onshore Geotechnical Survey

Land-based drilling, in-situ testing, sampling, and laboratory-backed investigation for infrastructure, energy, and industrial facilities.

  • Provision of Geotechnical Survey and Services for Jetty D North West Cilegon City, CAP2 Expansion Project - PT Chandra Asri Perkasa, 2018
  • Soil investigation survey for pipeline route at TBBM Pengapon Semarang and TBBM Maumere - PT Surveyor Indonesia for Pertamina, 2017
  • Onshore Geotechnical Investigation Survey for Regasification Facilities at KITe LNG Receiving Makassar FSRU - PT Patra Drilling Contractor, 2017
  • Geotechnical, bathymetrical, geophysical, and hydrometeorological survey, offshore and onshore Penajam, East Kalimantan - PT Kereta Api Borneo, 2017
  • Additional Soil Investigation, Intertidal Geotechnical Investigation Survey for Tibar Bay Port, Timor-Leste - PT Hydrocore, 2017
  • Soil Investigation Survey at Liquid Jetty Project Oleochemical Plant, Lubuk Gaung Dumai - PT Witteveen Bos Indonesia, 2016
  • Nearshore Site Investigation Work for Dredging International Asia Pacific, Tanjung Benoa Bali - PT Hydrocore, 2016
  • Offshore Soil Investigation and Bathymetric Survey for Bojonegara LNG Receiving Terminal - PT BAM Decorient Indonesia, 2016
  • Offshore Geotechnical Survey Works for Condensate Splitter PRE-FEED Project, Ciwandan Cilegon - BP Singapore Pte Ltd, 2014
  • Geotechnical Survey for Tangguh LNG Expansion Project, Papua - PT Fugro Indonesia
  • Onshore and Offshore Geotechnical Investigations for WBN, Halmahera Tengah, North Maluku - Eramet, 2013-2014
  • Geotechnical and hydrogeological investigation for Block M pit, Alfara Delta Persada Coal Mining, Anggana, East Kalimantan - PT Alfara Delta Persada, 2010
  • Onshore and nearshore geotechnical investigation for Pertamina West Java LNG Floating Terminal, Muara Karang Jakarta - Pageo/WorleyParsons, 2010
  • Onshore and nearshore geotechnical investigation for PGN Medan LNG Floating Terminal, Muara Karang Jakarta - Pageo, 2010
  • West Levee Geotechnical Investigation at Freeport Timika, Papua - PT Nakawa, 2011
View service →
04 / Exploratory Drilling

Exploratory Drilling

Coring and drilling support for resource evaluation, mining exploration, and subsurface confirmation programs using fit-for-purpose rigs.

  • Deep Coal Exploration Drilling at Musi Banyu Asin and Musi Banyu Rawas, South Sumatera - Adani Global, 2010
  • Coal Bed Methane coring for Arrow Energy at Tanjung Enim, South Sumatera - PT Tridiantara Alvindo, 2010
  • Coal Exploratory Drilling for BISM at Melak, East Kalimantan - BISM, 2011
  • Mining exploratory drilling support with conventional and wireline coring methods.
  • Skid, mobile, tractor-mounted, and crawler-mounted drilling rig deployment according to site access.
  • Qualified field supervision and sample handling for client exploration standards.
  • Resource drilling programs using NQ, HQ, and PQ coring configuration.
View service →
05 / Nearshore Geotechnical

Nearshore Geotechnical Drilling

Shallow-water investigation using staging, modular pontoon, and platform-based drilling methods for coastal and marine infrastructure.

  • Submarine Cable Route Survey from Pulau Bulan to Jurong Island Borderline - PT Medco Power Indonesia
  • Crescent Project, Indonesian Submarine Cable Route Survey at Rempang Island - Keppel
  • Nearshore Geotechnical Survey at West Saumlaki, Tanimbar Island - PT Fugro Indonesia
  • Nearshore Geotechnical Survey for LNG Carrier Jetty Project, KITe Lombok - PT Patra Drilling Contractor, 2017
  • Nearshore Geotechnical Survey for FSRU Project, KITe Makassar - PT Patra Drilling Contractor, 2017
  • Additional intertidal geotechnical investigation survey for Tibar Bay Port, Timor-Leste - PT Hydrocore, 2017
  • Nearshore CPTu and borehole investigation for coastal infrastructure design.
View service →
06 / Hydrogeology

Hydrogeology Drilling

Groundwater monitoring, water supply, landfill monitoring, and mining drainage support with drilling and well installation capability.

  • Water Well Drilling for BP Tangguh Development, Papua - BP Berau Ltd, 2018
  • Ground Water Deep Water Well Work for Alur Siwah Central Processing Plant Block A, Aceh - JGC Indonesia and Encona Consortium JEC, 2016
  • Water Well Drilling for Donggi Senoro LNG Project, Luwuk Central Sulawesi - JGC Corporation, 2011-2012
  • Groundwater monitoring well installation for environmental and landfill monitoring programs.
  • Mining drainage and water supply drilling with project-specific well configuration.
View service →
07 / Survey Support

Marine Geophysical and Other Services

Supporting survey, positioning, bathymetry, geophysical logging, metocean, engineering study, and laboratory coordination for field programs.

  • Engineering conceptual study for Phase-1 Ground Water Project, Tangguh Expansion Project, West Papua - PT Singgar Mulia, 2018
  • Desk study soil-pipe interaction analysis, Pipeline Foxtrot Platform to Karunia WHP, ABAR Block, Offshore West Java - PT Alamjaya Makmur Sejahtera, 2018
  • Positioning, topographic survey, bathymetry, metocean, and meteorology support for field scopes.
  • Geophysical logging, pumping test, slug test, and basic geotechnical engineering support.
  • Soil laboratory test coordination with PT Hydrocore as sister company.
View service →
08 / Seabed Geotechnical

Seabed Geotechnical

Direct seabed investigation using Seabed CPT and Vibrocore systems where recovered sediment and near-seabed soil behavior are required.

  • Onshore Geotechnical Survey for Ubadari, EGR/CCUS and Onshore Compression (UCC) Project - BP Berau Ltd.
  • Pipeline Pre-Engineering Geotechnical Survey at Tangguh Site, Papua - BP Berau Ltd. / Saipem-Meindo Consortium
  • Sand sources investigation in Banten, vibrocore - PT Hydrocore for Boskalis International Indonesia, 2025
  • Provision of Gravity Coring for Pertamina Avtur SPM at Balongan, West Java - Geotindo, 2010
  • Vibrocoring work, 230 points up to 500 m water depth, Pertamina Matindok Geochemistry Study - PT MGS, 2011
  • Seabed CPT and vibrocore investigation for near-surface soil profiling.
  • Sediment sampling and laboratory follow-up for marine infrastructure planning.
View service →