1. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
RÉSUMÉ Henri Sahat MP Silalahi
Place & Birth Date : Sidikalang, 20 November 1975
Sex : Male
Nationality : Indonesia
Marital Status : Married
Address : Merapi-17, Duri, Mandau-Riau
Home :+62 765 822802
Mobile :+62 8126635318
Email :henrismps@gmail.com
henrismps@yahoo.com
QUALIFICATIONS
2009 : Master of Science in Geology from Colorado School of Mines (CSM) , Colorado USA
2007 : Magister Teknik in Petroleum Geology from Bandung Institute of Technology (ITB)
1999 : Bachelor Degree in Geological Engineering from Gadjah Mada University (UGM)
GENERAL SKILL & KEY COMPETENCIES
Over 17 years, I have been worked in multiple discipline of oil & gas operation in oil &
services company (Chevron, Schlumberger, Pertamina, Elnusa,) and active in geological &
Reservoir engineering research and geotechnical project (Government of Indonesia).
Involved in number of early development Greenfield and secondary (waterflood) to tertiary
recovery (steamflood & surfactant) development in Brownfield of clastic and carbonate
reservoir. My exposure not limited to Project Manager, Subsurface Advisory in Heat
Mangement & waterflood, Heavy Oil Specialist, Geo-modeller, Petrophycisist, Stratigrapher,
Development Geologist, Wireline-field engineer, but also involved in business side of oil
industry such as Project Economic evaluation, Subsurface Strategic Planning, Asset
Opportunity cataloging, people development and government relation. Some key
My career path allow me to work in number of Significant Oil Field around the world such as
Giant Minas Waterflood Field, Bangko Field, Largest Steamflood Duri Field (central
Sumatra basin-Indonesia), High Dipping Reservoir Midwaysunset, Steamflood Kern River
Field (San Joaquin Valley Basin- USA) and Largest Pilot Carbonate Steamflood 1st Eocene
Wafra (Kuwait).
My general skills are listed in the following:
• Project Management : project framing, evaluation, planning and execution on any
type Field development and EOR project (oil and Gas , Geotech, Water and Mineral
resource)
• Subject Matter Expert in EOR Method, Steamflood Pilot, Full Field Development, Heat
management/Review, Reservoir Stimulation (H&P/Cyclic)
• Waterflood development and Optimization

2. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
• EOR Methods and Screening Study (Surfactant, Steamflood, Thermal Methods &
Wateflood)
• Petrophycist, Core Analysis and Surveillance Methods Selection
• Geological Modeling & Stratigrapher (Shallow marine and Deep marine Deposit)
• Development Geologist : Field delineation, Step-out, Infill, reservoir characterization
• Geological Surface Mapping for Oil, environmental aspect and Mineral Potential
• Environmental Study : Ground Water Evaluation and Monitoring
WORK HISTORY & ACHIEVEMENT
2012 – PRESENT
CONSULTANT CHEVRON HEAVY OIL OPERATION
CALIFORNIA BUSSINESS UNIT
ACHIEVMENT / PROJECT:
Lead and perform project maturation by adding new wells and prepare business
case and resulting following project.
1. 7SF New Expansion Project: 15 new wells optimize 34 existing well, reserve 593
MBO and 1.02 MMBO OOIP.
2. 2013 MWSS Infill & Replacement Well Project: proposed 16 producers, 4
injectors and 3 TOW. Reserve 694 MBO.
3. 2013 TOW AO Budget Project: 12 final TOW & DSP package phase-1 to phase 3
within 3 month.
4. 8SF Vertical Expansion project assessment: 8 Injectors, deployed 1400 BSPD, 12
BOPD in 2013 annualize result, DPI 1.93 and NPV 2.470 M US$.
5. 17S Vertical Expansion project assessment : 19 wells, OOIP 4.9 MMBO, Reserve
3104 MBO, capital : 1.7 MMUS$, DPI : 2.0
6. Injector to Producer Conversion Packages: Review 5 wells from 7SF, 8SF and 17S
leases and deliver 21 wells, reserve 250 MBO, DPI :1.2
7. 7SF Steamflood optimization by save 400 BSPD (NWQ area) and re-direct 760
BSP on to immature sands : Annualize saving cost: 1.335 M US$
8. 17S-WF PHR: Create 16 netpay and structure map, 12 TOW maturity, cut 530
BSPD. Annualize saving cost: 290.175 M US$
KUWAIT BUSSINESS UNIT
ACHIEVMENT / PROJECT:
1. Pilot Carbonate Steamflood Reservoir Project Wafra Field
Develop Steamflood for First Eocene Reservoir OOIP: 18 Billion BO
Cum Prod by 2010 : 350 Million BO
Avg Daily Prod : 25,000 BOPD

3. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
Oil properties : 14-20 API high sulfur oil
Active well : 250 wells
2. Training Geologist, Petroleum Engineer and Project Leader for steamflood heat
review and opportunity assessment for steamflood opportunity in Wafra field
INDONESIA BUSSINESS UNIT
ACHIEVMENT / PROJECT:
1. Lead and secure GOI approval for POD Area 7 Rindu development 16,775 MSTB,
Capital 505,173 M$USA (758 wells) and deliver phase-3 gate of Stage-1A project: 93
wells, reserve 4,746 MBO, DPI 1.45.
2. Support Secure Plan Of Development approval from Govement of Indonesia for Area
6 Rindu Development : total 600 wells
3. Delivered 7 Capital project with total 200 wells in Duri Field since 2009-20013 & One
step out project in Bangko Field Total 12 wells
4. Deliver Kulin Field Development wells: 10 wells, 919 MBO reserve & Economic
Evaluation (DPI 1.43 & NPV 3,450 MUS$). Field Optimization: Identify 13 Huff and
Puff candidate and propose 5 well for stage-1 candidates.
5. Lead Duri Field 2014 Infill well Opportunity and Identified about 100 class-2 candidate
6. Reservoir Management Frame Work : Lead and deliver field wide Opportunity
Catalog of Duri Field and present process improvement plan to Heavy Oil CoP and
management
7. Deliver Strategic Planning of Duri Field wide that included all production forecast,
steam and water forecast and project prioritization for 5 year Bplan and beyond.
8. Subsurface Lead Water Disposal Well Opportunity Catalog: deliver opportunity 123
wells water disposal well and select 22 wells for trance-4 project.
9. Provide Extensive Review and approval for funding on Number Capital Project
8 Duri Field Project: Infill Pkg-2, Area 14 DRM, NZBP Project, DFFM Rev, Kulin NZBP,
Duri Interference Study, Horizontal Well Pkg-8 and Area-7 Rindu POI.
10. Subsurface Lead for Area 6&7 Probelematic High Pressure and Poor Steamflood
Project Learning Plan
11. Lead 6 Reservoir Engineer, 4 Geologist and 3 Technical Assistant to support Area 234
Duri Field activates.
2004 – PRESENT
CONSULTANT AND OWNER – PT CHENADA PRIMA SINERGY
ACHIEVMENT / PROJECT:
1. 2015 : Build Batang Field (Siak Block) Plan of Development (POD) PT. Pertamina
PHE Siak : Economic Analysis, Geological Analysis, Drilling Program 22 wells,
Production Facility and get approval to SKK Migas. Total Project value 350,000 US$.
2. 2004 : Evaluasi DAS Sungai Rokan fo Water Damp /Irigation – Riau, LitBang
Pemprov Riau. Total Project Value : Rp 500 jt.
3. 1999 : Arch GIS mapping of Yogyakarta City for Pemprov DIY

4. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
4. 1999 : Ground Water Mapping in Yogyakarta Area for Pemprov DIY water
management
2001 – 2006
PT CHEVRON PACIFIC INDONESIA
DEVELOPMENT GEOLOGIST MINAS FIELD
1. Deliver 30 development wells (attic wells and stratigraphic wells) ~
2. Geologically support pattern water flood review activities for about 600 wells and
give advice on alignment injector to producer.
3. Deliver Water flood Sweep efficiency study on change pattern from 7 spot inverted
pattern water flood to 13 spot inverted pattern water flood successly lead to 23
packages drilling with total over 230 wells for the last 10 years
4. Deliver Surfactant Field Trail Team (EOR Study), responsible on area selection and
geological support for determine the best place conducting test, set up surveillance
program for saturation change, special core analysis test and sand continuity test at
field.
5. Deliver Water Disposal Project on define the best location and target reservoir to
dispose produced water. Finalize 7 well deepened wells and space to dispose about
[Refer to Appendix for a detailed history of technical experience.]
2001 – 2006
PT CHEVRON PACIFIC INDONESIA
FORMATION EVALUATION SPECIALIST MINAS FIELD
ACHIEVMENT:
1. Deliver, execute and evaluate oil potential of 54 new development wells (producer
wells)
2. Deliver Study special core analysis test for water flood examination on “Telisa sand”
shaly sand formation and save investment about 3 M US$
3. Conduct special core analysis study on define potential “X-sand” thin laminated
shaly sand potential oil, and reduce potential lost 2 M US$ and narrowing potential
reserve from 12 MMBO to 1.8 MMBO
4. Deliver latest technology resistivity casedhole logging on optimize daily water flood
surveillance and monitoring saturation change by pattern
5. Planed and supervised logging and coring acquisition on Minas Field
[Refer to Appendix for a detailed history of technical experience.]
2000 – 2001
PT ELNUSA GEOSAINS
FORMATION EVALUATION / PETROPHYCIST ENGINEER

5. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
1. Serve client request for saturation calculation and recommendation for
prospective zone to perforate in 24 hours after logging on development
15 wells
2. Serve client on build good log data management for particular field,
digitize 200 log data and re-print on fixed format.
3. Serve Mapping structural Geologist, Isopach, create log correlation and
reserve calculation for client based on request 1 small development field
(40 wells)
4. Mentoring new field engineer on formation evaluation process and data
quality control
5. Witness and QC logging acquisition on site
1999 – 2000
PT SCHLUMBERGER NUSANTARA
WIRELINE LOGGING FIELD ENGINEER
1. Serve client on performing logging job on Open hole log and cased hole
(GR, Resistivity Logging, Density/Neutron Logging, sonic, Sampling,
Pressure Test, Perforation) Overseas (ADNOC-Abu Dhabi) and at Indonesia
(Balikpapan-UNOCAL) total 30 wells
2. Performing client (UNOCAL) mentoring process through logging tool
presentation 2 times
3. Performing logging job special water well for 2 wells
[Refer to Appendix for a detailed history of technical experience.]
APPENDICES
TECHNICAL EXPERIENCE
Groundwater Mapping and Monitoring
Steamflood in High Dipping & Deepwater Type Deposit Reservoir
Carbonate Steamflood Piloting
Silisiclastic Smaller Pattern Steamflood in poor quality reservoir
Lead and working together with team as Geologist and RE to evaluate potential new
steamflood area in Duri Field. Conduct focuses development selection through stratigraphy,
formation evaluation and reducibility study of Area 6 &7 Rindu sand. This project deliver

6. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
two major POD with total 570 well for Area-6 and 758 wells for Area-7. The Area-6 has
been successfully approved by GOI and Area-7 was on finalizing approval with GOI.
Infill Bypass Oil in Mature Steam flood
Initiate and lead pilot project to improve and add production in super mature steamflood
through infill drilling in bypass oil area. A unique and comprehensive evaluation method is
developing to locate the high remaining oil area and placing the well effectively to drain un-
swept area. Deliver 14 wells and have been proven produce more than predicted. Through
this approach, about another 70 well have been identified for future development.
Steamflood Faulted Area Optimization Project
Lead faulted area optimization project through infill drilling and steam injection efficiency.
Project was initiate to respond of lacking producer on faulted area that has high risk to
eruption potential on steamflood operation. Propose 18 wells to complete pattern and
balancing injection to producing fluid that prevent buildup pressure in reservoir.
Steamflood Drainage Improvement Project
Lead and initiate steamflood drainages review and located the opportunity improvement on
pattern recovery through completion evaluation, steam target and heat evaluation, pattern
configuration evaluation and geological barier evaluation. This project deliver
Step Out / Delineation Project
Mentor project manager to develop proper project frame to capture undevelop opportunity
outside current oil water contact boundary.
Lead evaluation effort on subsurface (geological and geophysical) evaluation on
determining remaining oil position and placed delinated wells. Deliver 6 wells and have
been approve by GOI for vertical and directional well.
Ligh Oil Tertiary Development Feasibility Study
Evaluate geologic visibility Tertiary dev project on Surfactant & Polymer Flooding Project
for Minas Field. As dev geologist, I working on finalize target area, and give input team
about geological evaluation using data log, seismic and combine with core data. Determine
special core analysis that procedure on evaluating core injection surfactant and polymer test
at lab scale and determine petrophysical aspect of area target for flooding. Support related
log data on creating model geologic, determine residual oil from log and core for target area
Cased hole Hole Log evaluation:
Conduct evaluation and enhancement of implementation cased hole technology on acquire
Sw calculation and saturation change study on old well using CHFR tool and Case Hole
Density Neutron combine with real production data. This evaluation were utilize on
evaluating pattern water flood management and daily work over strategy for about 250
wells.
Special Core Analysis for new reservoir evaluation
Develop special core analysis program on evaluating possibility water flood project on
particular sand. Conduct evaluation on petrology, facies, mineralogy, pore throat
distribution, relative permeability, movable oil and also critical velocity injection test. Use
lab data and integrate with log data to develop calculation saturation method and use for
whole well evaluation. Mitigate economic risk by asses all potential movable oil on sand
through data core, and give information for further prospect for particular sand. Develop
OOIP and reserve calculation using all combinable data core and log. “Telisa sand” shaly
sand formation study resulting mitigate possible lost of investment about 3 M US$ and
narrowing potential reserve “X-sand” thin laminated shaly sand from 12 MMBO to 1.8
MMBO; reduce potential lost 2 M US$.

7. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
Water Flood Optimization Project;
evaluate performance each pattern and develop screening pattern water flood selection or
further development. Develop geological evaluation for un efficient sweep efficiency for
some pattern, develop alternative for development. Together with Petroleum Engineer
perform monitoring injection efficiency base on production performance.
Light Oil Infill Drilling Project:
Propose new candidate well and provide evaluation on Structure map, isopach oil map,
isopach sand, Stratigraphic evaluation and reserve calculation and economic calculation.
Project was creating to develop some new well base on structural and stratigraphic trap.
Deliver 30 wells drilled with average performance 150 MMBO reserve/well
Received “President Award” for this project.
Areal Sweep Efficiency project:
Core team for strategic improvement sweep efficiency waterflood on Minas field. Provide
best location for trail base on structure, fault interpretation, sand continuity evaluation by
using seismic and log data. Conduct geological post drilling review for further information
project evaluation. Evaluation result use to change all the waterflood project strategy on
adding wells on pattern waterflood from 7 spot inverted to 13 spot inverted pattern
waterflood. Deliver 72 well on going drilling
This project was acknowledged with “World Class Reward”.
Insitu Profile Modification project:
Provide field wide geologic evaluation for proper locations to be use for pilot polymer
injection on maximize oil recovery. Conduct screening best candidate pattern for water
blocking field test.
Operational Geologist Coordinator
I am handling day-to-day drilling operation start from preparing well design, drilling cost
estimate for related project and execution plan by creating well design, logging program,
coring program and also monitoring drilling cost, rig operation troubleshooting. Its my
responsibility also to organize, scheduling and trained well site team. All coordination
between geologist and drilling department, also related services and scheduling on rig
moving were under my supervision. During execution, its my responsibility to address all
critical decision and inform to all related manager.
Formation Evaluation / Petrophycist Enginer at ELNUSA GEOSAINS
Serve formation evaluation at several oil fields at Pertamina Operation at Tambun,
Jatibarang, Jatinegara field (Cirebon) and Sungai lilin, Ketaling Timur field (Jambi). My
major responsibilities are to support drilling operation by provide saturation calculation
new logging data in 24 hours (15 wells), re-evaluated old well and digitize old log (200
wells) and provide mapping cross-section and volumetric calculation (field with 40 wells)
support to client. Witness and QC new log data and mentoring new field engineer on
evaluate data quality control
Schlumberger Wireline Field Engineer
Field engineer at Mussafa onshore drilling operation to run logging acquisition for
ADNOC at Abu Dhabi (UAE) . Provide services logging acquisition at Badak Field
(VICO), Balikpapan (Sipinggan, Attaka Field – UNOCAL), and Tanjung Field – Talisman
Tanjung JOB) Indonesia. Experienced on running various logging tool such as:
 Modular Dynamic Tester Tool
 Platform Express,
 CBL-VDL,
 Long Spacing Sonic,
 Perforating Tool,
 Ultra Sonic Imaging Tool ,
 Dipole Sonic Imaging

8. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
 Setting Bridge Plug Tool.
MEMBERSHIPS
 IAGI (Ikatan Ahli Goelogi Indonesia)- Riau
 American Association Petroleum Geology (AAPG)
 Indonesia Petroleum Association (IPA)
 Committee Sumatra Board – Society Petroleum Engineer Indonesia (SPE)
PUBLICATION, ACHIEVMENT & TRAINING
- 2013 : Subsurface Characterization Forum : Presenter for Carbonate Pilot Steamflood Wafra
–Field , Kuwait,
- 2011 : Geological Department of UGM Guest Lecture: Deepwater Stratigraphy of Slope
Deposit and Intermediate Formation Evaluation. (Presenter)
- 2010 : Heavy Oil FORUM: Maximizing Production through Bypass Oil Determination in
Mature Steamflood Duri Field, Bakersfield (Author)
-2010 : IATMI : Maximazing and Improve Steamflood Production through Drainage Review
and Pressure Maintenance in Area 4 Duri Field, Jakarta ( Co-Author/Mentor )
- 2010 :AAPG Annual Meeting Program: Denver-Structural controls on deepwater
architecture and facies in the Eocene Ainsa Basin, Spanish Pyrenees: Abstracts (Co-
author)
-2010 : AAPG Annual Meeting Program : Integrating outcrop data to define regional and
reservoir-scale patterns in prograding shelf-slope-basin systems, Sobrarbe Formation,
Spain Abstracts(Co-Author)
-2010 : AAPG Annual Meeting Program : Constraints on the timing of growth structures in a
deepwater basin: Insights from stratigraphic growth indicators and three-dimensional
modeling, Ainsa Basin, Spanish Pyrenees: Abstracts (Co-author)
-2009: AAPG Annual Meeting Program: Stratigraphic architecture of slope deposits
associated with prograding margins, Sobrarbe Formation, Ainsa Basin, Spain: AAPG
Annual Meeting Program with (Authors).

9. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
-2009 : AAPG FORUM: Structural Controls on Deepwater Architecture and Facies in the
Eocene Ainsa Basin, Spanish Pyrenees, (Paper Co-Author)
- 2008 : AAPG International Student Forum : Stratigraphic Architecture of Slope Deposits
Associated with Prograding Margins, Sobrarbe Formation, Spain (Paper Author)
- 2008 : SSC Forum Glaveston : Deepwater Slope Deposits of Sobrarbe Margin, Spain
(Presentation Author)
- 2006 : ITB Master Thesis Bandung: Effective Porosity Calculation Methods of Telisa
Globigerined Shally Sandstone, (Author)
- 2005: SPWLA Special Forum in Shally Sand Evaluation, Kuala Lumpur : Study Case: "X-
Sand" Special Core Analysis Utilization for Shally Sand Evaluation, (Presentation
Author)
- 2005 : IPA Forum : Waterflood Optimation on an Inverted 7-Spot Pattern Using Core, Well
Log, and Seismic Data in Popo Area, Minas Field, Central Sumatra Basin, (Paper Co-
Author)
- 2004 : Schlumberger Forum, Jakarta: Analysis Behind Casing as replacement to OH Log at
High Risk well at Minas Field (Presentation Author)
- 1998 : Bachelor Research: Seismic Attribute Analysis for Porosity Calculation at Sabak
Field, CPP Block Sumatra (BS Thesis Research)
- 2003-2004 : Sumatra Board of SPE Committee : Coordinate Rumbai-Minas SPE Talk,
SPE Golf Tournament and Scholarship Fund Raiser (Coordinator for Rumbai and
Minas)
- 2008 : Recipient of AAPG Research Grant in Aid for Special Project in Deepwater
Stratigraphy Research, that utilize to support field observation and mapping in Ainsa
Spain.
TECHNICAL
• 2013: Carbonate Field Trip, Coicos Bahama
• 2012 : Mahakam Modern Delta Field Trip
• 2008 : Mont St Michel Modern Estuarine System, France
• 2008 : Ainsa Basin Deepwater Stratigraphy and Structure Fieldtrip, Spain
• 2011: Economic Evaluation of Petroleum Bussiness by LDI
• 2010: Applied Heat Management in steamflood operation by Mike Basham Chevron
ETC
• 2009: Basic Heat Management in Steamflood operation by Mike Basham Chevron ETC
• 2008: Seismic Interpretation of Deepwater Stratigraphy by Chevron ETC
• 2007: Deepwater Sedimentology Short Course by David Pyles, Chevron-Research
Center of excellent at CSM -Colorado
• 2005: Cased Hole Logging Seminar held by Schlumberger
• 2005: Advance Formation Evaluation Course held by LDI – PT. CPI
• 2004: Water flood School Training by Chevron ETC – Dr. Cobb
• 2005: Seismic Attribute Analysis – Dr. Sigit Sukmono
• 2002: Petrophysical Analysis - LIDI Training Center

10. HENRI SILALAHI
Mobile: 081266353518
Email : henrismps@gmail.com; henrismps@yahoo.com
• 2005: Special Core Analysis Lab Test course – Pt. Corelab Indonesia
• 2002: Reservoir Characterization Course held by LDI - PT.CPI
• 2002 : Horizontal & Multi Lateral and Side Tracking Technology Seminar – PT. CPI
• 1995: Silisiclastic Sequence Stratigraphy seminar by Dr. G.P Allen
”The Origin of Petroleum and Basin Modeling” seminar by R.A. Noble (AAPG
Special Lecture Program)
• 1997: “Turbidities Sandstone”, by Emmiliano Mutti
• 1997: “Silisiclastic Sequence Stratigraphy Concept and Analysis” seminar by Henry W.
Possamentier
• 1998: Advanced Clastic Facies and Sequence Stratigraphy, Van Wagoner et al,
EAL, Sydney/Adelaide
INDUSTRY REQUIRED
1999 Offshore Survival Training Course, Merak, Indonesia
1999 Offshore Fire fighting Course, Merak, Indonesia
SOFTWARE TRAINING
2003 Paradigm Geolog Petrophysical training
2003 Paradigm Emerge Seismic Multi Attribute Analysis training
2002 3D Geological Software Modeling GOCAD Training
2000 Risk Analysis Software training (PR risk analysis package)
2000 Petrolog Petrophysical Software
2000 Petrosys Mapping Software
2000 Landmark “ZMap” course
2001 Landmark “Seisworks” 3D intepretation course
2001 Landmark “Stratworks” course
2000 OP9- Schlumberger Wireline Logging Aqusition Software
2001 Geoframe IESX Seismic Software Training
2001 Geoframe CPS-3 Mapping Software Training
REFEREES