1. Diogo Joao Sebastiao
Personal information
Date of birth 08 January 1978 in Kwanza Norte, Angola
Education Graduated degree in Geology from "Agostinho Neto University”, Luanda/Angola in
May 2002
Professional Experience
12 years of experience in the Oil & Gas industry; Geologist positions for 10 years
2002_2003 Mudlogger for BAKER HUGHES INTEQ in Angola
2003 -2005 Wellsite Geologist for ChevronTexaco in Angola
2005 – 2006 Operation Geologists for BP Angola in Luanda
2006- 2007 Exploration Geologist (Geoscientist) for BP Angola in Sunbury/London
2008 – 2009 Appraisal Geologists (Geoscientist) in Block 15 JV Team in Sunbury – London for BP
Angola.
2009_ 2011 Development Geologist (Geoscientist) in Block18 Great Plutonio Team in Sunbury –
London for BP Angola
2011_2014 Operation Geologist for BP Angola PSVM Project – Luanda for BP Angola.
2015 currently working as Operation Geologist for ConocoPhillips in Pre- salt exploration project
(Block 36 and 37) – Luanda Angola
2015_ Ops Geologist in Block36 & 37 Pre- Salt Exploration Project
Still Working as Operation Geologist for ConocoPhillips in Angola
2011_ 2014 Ops Geologist in Block31 PSVM Project
I have worked as Operation Geologist for PSVM project Block31 in Angola, working as key member
on new development well campaign in operation team based in Luanda _Angola.

2. 2009_ 2011_ Geologist in Block18 Great Plutonio Team in Sunbury – London for BP Angola
I have worked as geoscientist for great plutonio team doing reservoir management (Development
geologist) for Cromio and Galio field, doing structural restorations for both fields. I have done some
injector and produce wells for these two fields (Well proposal), working closely with reservoir
engineer and Petroleum engineer whenever it was necessary.
I have built geological static model for o72 and o73 cromio west and Fareast reservoir, using RMS
application owned by Roxar.
2008 – Geologist Block 15 JV Future Development Team in Sunbury - London
I worked as Geoscientist in Block 15 JV Team doing Bavuca1 Seismic Interpretation and resource
estimation (Appraisal /Select stage) as part of Kizomba C satellite phase 2.
2006- 2007 Exploration Geologist in Bp Angola Based in Sunbury - London
Work as Exploration Geoscientist doing seismic interpretation (Prospect evaluation and
maturation), for Block 31 deep water Angola turbidity reservoir.
2005 – 2006 Operation Geologist for BP Angola
Operation Geologist in charge for Block 31. Exploration well in Offshore Angola.
As co-ordinator for Coring and wireline Operation, and also giving support to the drilling operations
and real-time support for the wellsite geologist.
I was in charge to setup all the necessary logistic condition for the well to be drilled in successfully
and safe way
2003 – 2005 Wellsite Geologist, For Chevron Texaco
Wellsite Geologist in Block 0 Cabinda Offshore Angola doing Development well in Takula, Numbi
and Banzala field
Monitoring the drilling operations, and being ChevronTexaco witness for wireline logging, Coring
Operation and geological Activities on rigs
Monitoring of the horizontal drilling using Mud Logging data, drilling parameters and MWD and
Geostiring tolls. Write synthesis report of Normalised gas evaluation. Issued new formula for
Analysed gas ratio equation using by combination method with wireline/LWD, data and mudlogging
data.

3. 2002 – 2003 Mudlogger Engineer for Baker Hughes in Angola
I worked in several wells in Angola Offshore making sample description, monitoring drilling
parameters, and gas data, pore pressure while drilling, provide Geological and Drilling report to the
Wellsite Geologist and Ops Geologist in town, and also working with drilling engineer, Company
man and another drilling contractor, and attending morning meetings..
Other Experience
I have worked as Assistant in Sedimetology and sedimentary rock in Geology Department, of
Agostinho Neto University.
Current Competencies, Skills, Knowledge, Experience
• Strong core discipline background
• Good team working skills
• Very strong Operations skills.
• Seismic Interpretation and mapping skills
• Build Geological model(Static model)
• Well log Interpretation(Quicklook) and well log correlation
• Seiswork, Geoprobe, Powerview, RMS, Recon
• Basic skill on Coviz
• Winlog (HRH)
• GEOS
• Enthusiastic, confident, self motivated, willing and able to apply myself to obtain new skills