ELLY TUBALLA

Mechanical Engineer

217 Silverado Plains Close, SW

Calgary, Alberta

+1-403-803-6945

[email protected]

Career Highlights:

– Consultant, Managed Pressure Drilling Engineer and Wellsite Supervisor

– 12 years oil and gas drilling experience both onshore and offshore in different countries

– 15 years experience as Geothermal Steam Production Engineer

– Petroleum Engineering Technology program at Southern Alberta Institute of Technology

Major Skills:

Wellsite Supervisor and Field Engineer for Managed Pressure Drilling (MPD)

–  Plan and execute the MPD equipment rig-up, cabling and configuration for “Early Kick/Loss Detection and

Control of Influx and Losses” during drilling.

–  Drilling with Constant Bottomhole Pressure (CBHP) between narrow Pore and Fracture pressures by

controlling the bottomhole Equivalent Circulating Density and surface back pressure.

–  Rig-up and operation of closed-loop drilling and returns flow control using Rotating Control Device (RCD)

with Coriolis Mass Flowmeter.

–  In-charge in the preparation and function-testing of RCD and accessories, MPD equipment and pipework at

the base before sending to job location.

Work Experiences (Present to Past):

August 2019 to Present

Working for                      : Weatherford Bin Hamoodah as MPD Field Engineer and Wellsite Supervisor

Sharjah, UAE

Consulting Firm                : Vivid Resourcing, UK

Client                                  : Sharjah National Oil Company, UAE

December 2018 to Present

Working for                      : Weatherford Malaysia as MPD Field Engineer and Wellsite Supervisor

Sarawak, Malaysia

Consulting Firm                : Spencer Ogden, Singapore

Client                                  : ROC Oil offshore

July 2018 to Present

Practicing Professional Mechanical Engineer

– This is my alternate job along with MPD Consultancy.

Scope of Practice:

1.     Mechanical Consultant in the operation and maintenance of power and industrial plants, including mechanical pipelines, with operating capacity of 2000 kw and above.

2.     Signs and seals mechanical permits pertaining to mechanical plans, designs, specifications, project studies and estimates, mechanical pollution abatement systems, mechanical fire protection systems and pipelines with working pressure above 70 kpa (10.1 psi).

3.     In-charge of mechanical construction, installation and alteration of mechanical pipelines in power and industrial plants.

January 2017 to June 2018

Advanced studies and research for upgrading to Professional Mechanical Engineer

Project Study                            : Design of a 4-Km Zero Disposal Pipeline System to convey geothermal brine from

the 80-MW Geothermal Power Plant to the 3-Km depth Injection Well

Evaluation & Approvals         : Philippine Regulation Commission/Board of Mechanical Engineering

Successfully Upgraded To     : Professional Mechanical Engineer (License No. 0005499)

September 2008 to October 2016

Company                         : Weatherford (Main Office: Houston, TX)

Position                                 : Managed Pressure Drilling Engineer and Wellsite Supervisor (International Assignment)

Work Assignments        : Abu Dhabi, Indonesia, Malaysia, Thailand, Vietnam, Brunei, Papua New Guinea,

and Angola

Fields of Experience      : Managed Pressure Drilling, Underbalanced and Geothermal Aerated Drilling

Duties and Responsibilities:

1.     Drafts the MPD program and operational procedures for onsite implementation.

2.     Generates the Process & Instrumentation Diagram (P&ID) for project implementation and ensures all equipment and pipes are Green-Tagged and Pressure-Tested for quality assurance before shipping to the rig drilling site.

3.     Performs drilling simulations and flow modeling to determine the best operating window during any well activities, and submits said simulations to the client’s Drilling Supervisor for approval or revision.

4.     Completes the daily drilling reports, daily plots, and drafts the End-of-Well Report.

5.     Conducts equipment failure analysis and investigation and prepares technical report for submission to the Project Engineer.

6.     Assists in the rig-up/down, function test, and pressure-test of MPD equipment as per company policies & procedures, including maintenance and operation of said equipment.

7.     Prepares Work Permits, conducts Job Safety Analysis, and discusses with the crew during Tool Box talks before starting any job at the rigsite.

8.     Conducts Fingerprinting to determine the MPD operating parameters and the MPD Operators’ response to different simulated drilling conditions.

Jobs Performed as MPD Engineer and Wellsite Supervisor in Weatherford (Present to Past):

1.     MPD Consultant with ROC Oil in offshore Malaysia

2.     MPD Consultant with Sharjah National Oil Company (SNOC) in onshore Sharjah, UAE

3.     MPD job with TOTAL Al Bu Khoosh (ABK) Khuff AF-11 HPHT Exploration Well in offshore Abu Dhabi

4.     Deepwater MPD/Pressurized MudCap Drilling (PMCD) with Repsol Oil in offshore Angola

5.     High Pressure/High Temperature CBHP job with JX Nippon Malaysia

6.     Underbalance Drilling job with APICO (Khorat) Thailand Limited

7.     MPD job with TATEX Thailand III LLC

8.     MPD/CBHP job with PTTEP in offshore Thailand

9.     MPD/CBHP job with Bien Dong Petro Oil Company in offshore Vietnam

10.  MPD/CBHP job with Cuu Long JOC in offshore Vietnam).

11.  MPD/CBHP job with Kulczyk Oil Brunei

12.  MPD/PMCD job with TOTAL E&P Indonesie in offshore Makassar Strait,

13.  MPD job with Pertamina Hulu Energi – West Madura Offshore, Indonesia

14.  MPD job with Pertamina EP in Central Java, Indonesia

15.  Geothermal Aerated Drilling with Chevron in Indonesia

16.  Geothermal Aerated Drilling with Newcrest Mining in Lihir, Papua New Guinea

References:

·       Julmar Shaun Toralde         : Global Business Director for Drilling and Evaluation

Weatherford Houston (Texas, USA)

·       Jobin A. Abraham                : Arabian Sea Geozone Project Manager

Weatherford ICAD II, Abu Dhabi, UAE

[email protected]

+971 50 810 6319

·       Timothy McCluskey             : MPD Well Planner, Weatherford Malaysia

[email protected]

+60 128852806

March 1993 to May 2009

Company                   : Energy Development Corporation (formerly the Philippine         National Oil Company)

Position                      : Production Engineer

Location                   : Ticala, Valencia, Negros Oriental, Philippines

Duties and Responsibilities:

1.     Supervises the crew in the production of steam from the geothermal reservoir (2-3 kms below ground level) and delivery of geothermal steam to the 80-Megawatt geothermal power plant.

2.     Operates the control room panels to efficiently deliver 160 TPH, 5.25 kscg steam at 99.99% quality to the 4 x 20-MW geothermal steam turbines.

Efficiently plans the reinjection of separated geothermal water from the Cyclone Separator to the reinjection wells to minimize silica depositions in the reinjection lines and to avoid carry-over of condensed steam to the steam lines.
Conducts hourly recording and monitoring of all parameters in the control room panels.
Operates the 3-km Zero Disposal System pipelines and monitors for leaks that may contaminate the surface & underground water systems.
Analyzes problems encountered during steam production and recommends solutions to the Shift Supervisor or Production Manager.
Coordinates with support groups such as; Geochemistry Department, Well Testing Department, and Maintenance Department for any activities performed within the production and reinjection facilities.
References:

·       Carlo R. Borromeo             – Power Plant Operations Manager, Southern Negros Geothermal Project

Valencia, Negros Oriental, Philippines

+63 917 5953814

·       Vicente D. Omandam       – Production Manager, Southern Negros Geothermal Project

Valencia, Negros Oriental, Philippines

+63 917 8277166

·       Renato S. Infante Jr.          – Shift Supervisor, Southern Negros Geothermal Project

Valencia, Negros Oriental

+63 906 8981147

Educational Attainment (past to present):

·       Graduate, Bachelor of Science in Mechanical Engineering

Silliman University, Dumaguete City, Philippines

March 1991

·       Upgraded to Professional Mechanical Engineer on July 2018 as approved by the

Philippine Board of Mechanical Engineers and the Philippine Regulation Commission

·       Petroleum Engineering Technology at Southern Alberta Institute of Technology

Calgary, Alberta

Professional Licenses and Affiliations:

·       Registered Mechanical Engineer 1991 (License No. 46009)

·       Professional Mechanical Engineer 2018 (License No. 0005499)

·       Member – Philippine Society of Mechanical Engineers (Palinpinon Chapter)

·       Press Relations Officer – Associated Professional, Supervisory, Office & Technical Employees Union of the

Trade Union Congress of the Philippines

Part-time Teaching Jobs (Dumaguete City, Philippines):

·       Instructor – Geothermal Exploration Technology (College of Engineering and Architecture)

Negros Oriental State University from June 1997 to March 1998

·       Instructor – Math 17 (Calculus and Analytic Geometry)

Mechanical Engineering Department

Silliman University College of Engineering and Design

November 1997 to March 1998

Trainings, Seminars, Workshops, Conferences Attended (present to past):

·       Technical Forum on Fire Protection Management System of the Philippine Integrated Fire Protection Organization, Manila, Philippines

·       Tropical-Basic Offshore Safety Induction and Emergency Training (T-BOSIET) Course at IMOSTI Training Center, Manila, Philippines.

·       Hydrogen Sulfide Awareness & Self-Contained Breathing Apparatus Training at IMOSTI Center, Philippines

·       Weatherford-Sponsored Trainings:

1.     Minimum Industry Safety Training (MIST) Course at Maersk Training Center, Aberdeen, UK

2.     IADC Well Control Supervisory Level Combined Surface & Subsea (held in Bangkok, Thailand). Certification No: A425499.

3.     MK 50 EBS Training at Emirates Technical & Safety Development Center, Abu Dhabi

4.     Rotating Control Diverter – Marine Series Operations Training at Aberdeen, UK

5.     Microflux Control System Training Course at Aberdeen, UK

6.     Controlled Pressure Drilling & Testing Level 1 Engineering Training, Indonesia

7.     Managed Pressure Drilling, Indonesia

8.     Basic Drilling Engineering Training, Indonesia

9.     Downhole Deployment Valve (DDV) Engineering Training, Indonesia

·       Philippine National Oil Company-Energy Development Corporation (PNOC-EDC) Seminars and Trainings:

1.     Presenter & Participant: 28th Annual PNOC-EDC Geothermal Conference, Manila, Philippines

2.     General Systems Workshop / Problems, Causes and Fixes

3.     Interaction Management Seminar and Practice of Supervision

4.     Professional Development Course conducted by the Philippine Society of Mechanical Engineers

5.     Project Management Workshop facilitated by Kepner Tregoe

6.     Machinery Diagnostics and Practice of Supervision Workshop

·       Oilwell Drilling Technology Development Center (Cebu City, Philippines):

1.     Basic Oil Drilling Technology and Training Program for Drilling Personnel

2.     First Aide at Oil and Gas Drilling Rig

3.     Introduction to Hydrogen Sulfide and Self-Contained Breathing Apparatus (SCBA)

4.     Orientation on the Prevention on Marine Pollution by Oil

5.     IADC Rig Pass Orientation and Basic Safety Awareness (with Slinger and Banksman Safety)

·       Computer Systems Administration Certificates:

1.     Cisco-Certified Network Associate from Cisco Systems, USA

2.     Auto CAD Release 14 from Asian College of Science and Technology, Philippines

3.     Microsoft Windows Application from Asian College of Science and Technology, Philippines

Publication:

Tuballa, E.T., (2007). “Operational Strategies to Sustain Steam Capability at the 80-Megawatt Palinpinon 2 Geothermal Production Field, Philippines.”

Note: The above paper was approved for submission during the proceedings of the 28th Annual PNOC-EDC Geothermal Conference in Manila, Philippines.

The above information are true to the best of my knowledge.

Elly Tuballa