Sezardo Hassane Issufo Charifo
Field Service Specialist
Maluti
Summary
Professional with more than 12 years of experience, working in National and international Subsea business Environment (Onshore and Offshore), well organized, flexible and team player. I deliver high standards of work even when put in challenging situations, with high vision.
I am native Portuguese speaker, and I also speak English very fluently.
I have worked across Europe, America and Africa. My recent international involvement was in Namibia for Drilling offshore Exploration well for RHINO BW Namibia.
I am currently enrolled in Coral North project readiness both drilling and completion Campaign
Overview
13
13
years of professional experience
42
42
Certifications
Work History
Field Service and Technical Advising Specialist
Baker Hughes Mozambique
Maputo
11.2016 - Current
- Experience with operation, Assemble and/or Maintenance of Baker Hughes Oil Field Equipment (Hardware, Drilling and Upper Completion) subsea and Surface company equipment in Accordance with company procedure methods & guides.
- Comprehensive job readness including all logistics, tooling, environmental, health & safety & technical work scopes.
- Safe & compliant performance of all activities in line with the company's and our customer's environmental health & safety guidelines and procedures.
- Uncompromising integrity to ensure 100% compliance with regulatory and company rules and requirements.
- Use of company e-tools, (OFE Teamcenter PLM 4-Tier Client V12 and Epims e) to retrieve technical documents and drawings, prior job reports and Service Max (GRID).
- The proactive interface between all functions of the company and our customers concerning technical, operational & EHS challenges as applicable to any assignment.
- Maintaining a strong customer relationship through a positive, proactive & professional approach.
- Perform other related duties as assigned by manager
- Fire fighting curse completed
- 3T Diesel forklift Operator
- Professional with 10years of experience, working in international subsea business Environment, well organized significant initiative, flexibility, and cooperation certainly great’s values if added to any organization.
- I am to further my career and improve in different aspects to gain more knowledge and qualifications for future purpose. I deliver high standards of work even when put in challenging situations, with high vision aim is to be part of team where I can take important decision and can use my current experience to progress in the oil industry to continuously develop myself to be an asset to the company where I can work.
Field Engineer
Baker Hughes
08.2025 - 10.2025
- OFFSORE SPUD 1X Exploration Well Night Shift Supervisor
- Rhino BW Exploration Well, MS700 Well wellhead System
- Drilling tools readiness for drilling scope and BOP Pressure Tests
- RHINO BW WELL Drilling
Field Service Engineer
AZULE ENERGY ANGOLA S.P.A
Lobito
01.2024 - 01.2025
- Subsea Distribution Unit (SDU) Types A & B Modules & Foundations - Factory Acceptance Test (FAT) Procedure
- Production Manifolds and Foundations - Factory Acceptance Test (FAT) Procedure
- Water and Gas Manifold Foundations - Factory Acceptance Test (FAT) Procedure
- Agogo-Dungo Integrated West Hub Development
Field Service Engineer
ENI
01.2019 - 01.2020
- SPUD 3X WELLS, second Hand :
- CORAL 1
- CORAL 4
- CORAL 6
- Drilling 3xWells, Second Hand
- CORAL 1
- CORAL 4
- CORAL 6
- Coral South
FSE- NIGERIA-ONNE BASE
SNEPCO
10.2018 - 11.2018
- B07 STRIPDOWN MASTER VALVE BLOCK STAGE 1
- P/N: A110575-97A091
- Strip down
- Needle valve and Grayloc seals removal
- Remove Bentley valve and Grayloc seals
- Remove the Flowline connector Secondary Lock Down assembly, along with 4-off cap screws
- Remove 4-off rubber seals, 4-off each Retaining Plates, 4-off washers, 20-off cap screws & nuts from the MD-H4 Protective cover.
- P/N: A110575-97A091-CP
- Assemble ROV drive extensions and Override extension Rod ends to relevant receptacles in positions SV-1 & GT-WOCS using supplied grub screw with Rods.
- RL RISER HANDLING AND TEST TOOL
- P/N: A111708-2-CP
- W. Order: C71-938606
- Preventive storage Maintenance (PSM)
- Remove protectors. and elastomer Seals, and clean
- Visually inspection all threaded Connections and interface with a test pin/test box or gauge if suspected damage is apparent
- Ensure RL swivel box connectors are free to rotate
- Visually inspection all RL sealing surfaces and ever slick coating for signs of damage / scoring
- Grease all threaded connections, refit protectors and return to shipping basket
- SNEPCO BONGA SILS
- SIT PROCEDURE doc number: A290189 – 20
- Arrange and assemble bend restrictors and buoyancy modules on downlines;
- Sign offs on SIT completed sections;
- Modify EDP to CW HFL lines 7, 8, 9 and re-assemble after modification
- Manufacture hose line 9
- Re-tag EDP to CW HFL
- Carry out reconnection testing on lines 7, 8 and 9;
- Flush all lines on the HFL bundle;
- Make up EDP to CW HFL on EDP
- ONSHORE
Field Service Engineer
ENI
07.2017 - 08.2017
- SRI and SRT On:
- GP3XT, PN: A110575-483C52GP
- GP4XT, PN: A110575-483C52
- Job description
- VXT line communication and Test;
- VX seal surface inspection
- GRR/GRE Test
- TCL/TCU
- H4L
- Cavity test
- Manual valve functions
- Upstream and Downstream Seat Gate testing
- Preparation of Flow control Module
- Visual Inspection and preparation for shipment of Extended Tree Cap
- Malfunction assessment of Demobilized TH Spheres seal replacement, Testing and preparation for Shipment to offshore, Pup-Joint replacement at Tetra of
- Production Tubbing Hanger: PN:A948349-7C52
- Visual and tactile inspection of straddle Sleeve
- Make-up TH to string, Terminated DH lines and test Sphere-seals at Sur remove TH Handling Circulation Tool
- Function URT at Surface
- Lock URT into Dummy TH
- ROV XT valve operations on the XT’s
- OCTP
Field Services Trainee
06.2016 - 10.2016
- Casing Hangers Skills and Tools
- Repair and maintenance of casing Hangers equipment and their tools;
- Customer Relations and Service Reporting;
- JSA Training;
- Stop Working Authority;
- Overview of Drilling;
- Casing Hangers;
- Casing Spools;
- Secondary Seals;
- Tubing Spools
- Pressure Control Completions
- Repair and maintenance of GE Pressure Control Completion and their running tools;
- Tubing Spools;
- Tubing hangers – single;
- Tubing Hangers – Dual;
- Service Tools.
- Production and Frac Valves
- Repair and maintenance of GE Pressure Control
- Production and Frac valves;
- Gate Valve Field Service Training;
- Pressure Control 360;
- Hamer Union Awareness
Field Service Engineer Trainee
Petrobras
Sao Paulo
07.2016 - 09.2016
- Wag-Manifold part’s assembly and testing:
- Crossover Module (B00001-E002FA)
- Vertical Connection module5 1/16'';
- (PN:B00001-E002GA_B)
- VCM 5 1/8 in id, 10ksi VCCS 400, gate valve ROV operated, swivel w/ flange 7 1/16 in API 17sv 10ksi BX-15;
- Vertical Connection module-71/16(PN:b00001-e002hb
- Vcm 7 1/16 in id, 10KSI VCCS 400, swivel w/ flange 9 in API 17SV 10KSI BX-157;
- CDHIQ PN:B00001-E002JA;
- Water/gas chocke module PN: B00001-E002GA
- Hydraulic Connector Clamp.
- Wag-Manifold Part Assembly
Field Service Engineer
Petrobras
01.2015 - 03.2015
- Theorical and Practical training on:
- TH, XTREE, WBRT, WB
- GETP
Field Service Engineer
SNEPCO
08.2018 - 09.2014
- Rental:
- URT parts setting and cleaning up, OW: C71-842457/434644
- 30’ CART Level 2 Maintenance, I. Stripping, OW: C71-807515/430704;
- Shallow water URT and spare parts setting, OW: C71-842457/434644
- Shallow water URT assembly, WO: C71-842457/434644
- Workshop /Hardware
- WIT Rebuild (assembly and Test, WO: C71-807498;
- Tubing hanger Spool Uncovering;
- XTree (B32 and B38) Set up and Assembly; WO:C71-891713 and C71-785928
- MVB B-32, PN: A110575-98A091
- Flanges, PN:A111515-1A091, SN:1100000472-2-1;1100000489-1-2;302714-1 REV-B.
- Crossover Valve, PN: A300817-115, SN:1100000474REVC;
- Metal seal sub, PN:A110930-28 REV-A.
- SEAL SUB,PN:A110377-58, SN:1100000931/2/1REV A;
- SCSSC COUPLE, PN:A116879-32, SN:344216-1, WO: C71-837904
- MVB B-32 (injection tree test), PN: A110575-98A091-CP:
- VX cavity test (10K AND 500 PSI), WO: C71-891713
- Hydrostatic open body (7500 PSI)
- VX tree chocke make up
- MVB B-32, WI PN: A110575-98A091
- Assembly: press/temp wellhead sensor assy, PN:103842-3017 /d, PN:104842-30204/d; PN:105842-30202/
- Hydrostatic seat gate test low and high pressure (upstream and downstream) on B-32:
- ISV, IWV, IMV, ASV, AWV, XOV, AMV
- Manual, hydrostatic and Mechanic break out
- Actuator piston back pressure test (pre-cycle) on:
- ISV, IWV, IMV, ASV, AWV, XOV, AMV
- Tubing hanger spool (THS)-Deck Test/production
- PN: A1107743-59A091-CP
- Injection Tubing Hanger Spool-Deck Test, PN: A110743-60A091-CP
- Seal test for wellhead connector, Connector flushing
- Flow spool Hydrostatic Testing, Valve Testing.
- VX Gasket Installation: PN: 111053-1 Rev-B, Muleshoe seal installation PN:H190355-4, CART installation, Flowline hub Test Cap
- ROV Rotary interfaces, Inspection and seal change out
- Open Body Test, Mul-shoe seal and TH spool Gasket, WO: C71-829571 AND C71-829555
- ONSHORE
Mechanical Engineer Intern
Hidro-electrica de Cahora Bassa
02.2014 - 09.2014
- Maintenance of Chiller;
- Maintenance of Pumping Systems Chillers of cold water;
- Maintenance Tank Expansion;
- Maintenance of Air conditioning apparatus of CTA's cabins;
- Maintenance of condensing Units Industrial Control Room Substation valves;
- Maintenance of the units of the Industrial Climate Control Room Chain;
- Check out and inspections to ensure the operability of system Central air conditioning and ventilation.
- Maintenance of Mechanical Components Generators Group
- Maintenance of hydraulic pumps; and
- Hydro-coolers
- ANALYST Of software ISUPAC3 In LIMEAA of the Institute of Transport and Communications (ISUTC MOZAMBUQUE-MAPUTO:
- Test the application of e-Learning Packages Auto-Learning and Evaluation Computerized the ISUTC (ISUPAC3);
- Insertion of new content using the Polish language in the Application;
- Develop specifications and manuals PDF's of Physics, Thermodynamics, Mathematics and Hydraulics; and
- To train students in the use of ISUPAC3
Car Maintenance Trainee
JAT Motors
10.2013 - 12.2013
- Facilitator of Chair Mechanical Drawing in the in Computer Aided Design (Auto-Cad 2D) at the Institute of Transport and Communications Assistant;
- JULY - AUGUST - JAC Auto-Mobile Pre-professional internship activities performed Preventive Maintenance Diagnosis and repair of faults in cars Brand JAC;
- AUGUST – SEPTEMBER, Centre Cat Training Consultants (CFPCC) Trainer in Business Management;
- JANUARY - FEBRUARY, Transcom, ISUTC Primavera Software Spring version 8, the Institute of Transport and Communications (ITC
Field Service Engineer
Chevron
01.2024
- ONSHORE Visual inspection on MS700 Wellhead Equipment
- 18 ¾ HPWHH
- 36in LPWHH
- 18 ¾ SEALS (MS-1, MS-E, SG-TPR)
- 4in Ball valves
- 18 ¾ WB
- 18 ¾ XL NSP
- 12FTX12FT 36IN MUDMATS
- 0-2 Degree Slope Indicator
- 18 ¾ Lockdown Hangers
- 18 ¾ bridging hangers.
- ASENG GAS MONETIZATION
Field Service Engineer
ENI
01.2023
- OFFSORE SPUD 1X Exploration Well Night Shift Supervisor
- Raia-1 Exploration Well, MS700 Well wellhead System
- Drilling tools readiness for drilling scope and BOP Pressure Tests
- RAIA-5
Field Service Engineer
ENI Moz
01.2023
- Supervisor
- Wellhead tools/equipment inspection
- 36” LPWHH, 18 ¾” HPWHH, 12FTX12FT Mudmat, MM-SEALS, O-RIGS, CASINGS, CSG HANGERS(18 3/4X13 3/8, 18 3/4X10 ¾ and 18 3/4 x 16, CORROSION CAPS, BALLVALVES, Super housing support clamps
- Rental tools, spares, handtools readiness
- RAIA-A5
Field service engineer
ENI Ivore Coast
01.2022
- Night Shift Supervisor
- OFFSORE SPUD 2X WELLS, Night Shift Supervisor :
- BALEINE 1BIS
- BALEINE 2A
- Drilling 1xWell. Night Shift Supervisor
- BALEINE 3A
- BALEINE
Field service engineer
ENI Coral South
01.2022
- Preservation/ maintenance on:
- SST senturian reel - 1
- SST umbilical senturian reel sheave
- XT workover umbilical sheave load cell
- Lubricator valve umbilical sheave
- Umbilical termination assembly (UTA)
- Umbilicalbreakaway/guillotine system
- Gas production tubing hanger TH #2&S
- Crown plugs (2xLCP, 2xUCP)
- Flow control module (FCM) shipping skid
- CORAL SOUTH
Field Service Engineer
ENI
01.2021
- Rental tool Maintenance on (Assemble, disassemble and test):
- 2X 36” DAT
- 3X 18 ¾” PADPRT
- 3X18 3/4” CART
- 2X36” CART
- 3X18 ¾” ASRT
- 2X 18 ¾” ITT
- 2X 18 ¾” BOP test Plug
- 2x18 ¾” WBRRT
- 2X36” Handling Tool
- 2xEDPHOT
- CORAL
Field Service Engineer
ENI
01.2021
- SIT ON
- 8XTubing Hanger
- 2xUniversal Running Tool
- 2xChristomas Three Reler
- 2x Landing Strings
- 8xStruddle sleeves
- 16x Crown Plugs
- 2xWear bushing Running Tool
- MAINTENANCE ON
- 1xUniversal running Tool (Full Disassemble)
- 3xTubing Hanger (M-SEAL Change out)
- Coral South
Field Service Engineer
ENI
01.2021
- SIR ON:
- Rovuma Wellhead Equipment and tool
- 5x 18 ¾” High Pressure Housing
- 5x36 “Low Pressure Housing
- 2XMudmats
- 4xCorrosion Caps
- 7x 13 5/8 Casing hangers
- 7X NSP And Wear bushing
- 300X 20” Casing
- 76xCross Overs
- Rovuma
Education
Higher institute - Mechanical Engineering And Transportation
Instituto Superior De Transportes E Comunicaoes
MAPUTO09-2014
Skills
On-site support
Service documentation
Customer service
Technical support
Site inspections
Procedural documentation
Quality control
Team communication
Installation planning
Safety procedures
Quality assurance
Equipment installation
Staff coordination
Report preparation
Customer support
Hardware repair
Document management
Corrective action planning
Field production
Technical reporting and documentation
Specifications/drawings review
Jobsite support
Field testing
Project permits
Problem-solving abilities
Time management abilities
AutoCAD proficiency
Excellent communication
Computer skills
Certification
BOSIET-with CA-EBS
Timeline
Field Engineer
Baker Hughes
08.2025 - 10.2025
Field Service Engineer
AZULE ENERGY ANGOLA S.P.A
01.2024 - 01.2025
Field Service Engineer
Chevron
01.2024
Field Service Engineer
ENI
01.2023
Field Service Engineer
ENI Moz
01.2023
Field service engineer
ENI Ivore Coast
01.2022
Field service engineer
ENI Coral South
01.2022
Field Service Engineer
ENI
01.2021
Field Service Engineer
ENI
01.2021
Field Service Engineer
ENI
01.2021
Field Service Engineer
ENI
01.2019 - 01.2020
FSE- NIGERIA-ONNE BASE
SNEPCO
10.2018 - 11.2018
Field Service Engineer
SNEPCO
08.2018 - 09.2014
Field Service Engineer
ENI
07.2017 - 08.2017
Field Service and Technical Advising Specialist
Baker Hughes Mozambique
11.2016 - Current
Field Service Engineer Trainee
Petrobras
07.2016 - 09.2016
Field Services Trainee
06.2016 - 10.2016
Field Service Engineer
Petrobras
01.2015 - 03.2015
Mechanical Engineer Intern
Hidro-electrica de Cahora Bassa
02.2014 - 09.2014
Car Maintenance Trainee
JAT Motors
10.2013 - 12.2013
Higher institute - Mechanical Engineering And Transportation
Instituto Superior De Transportes E Comunicaoes