Completions and Well Interventions Engineer:

Strong technical knowledge, focused on HSSE, understanding of different cultures and experience within Operator and within Service Company environment. A team player with a unique combination of experience and teaching skills, including preparation of business cases for cost reduction and continuous improvement. Design and implementation of QA/QC systems, specifically applied to downhole and well testing equipment inspection and installation, make up check lists, lessons learned and best practices.

A hand on experience on well design, planning, contracting, logistics, development and execution of drilling, completion, well intervention and well testing operations. Expert engineer, with 25 years of uninterrupted experience in well engineering; completion and intervention. Experience in Canada, USA, Venezuela, Colombia, Argentina and Qatar.

Main Competencies:

Preparation of risk assessment and management, application of barrier policies and process safety. Contractor HSSE management. Design and implementation of HSSE cases.

Building programs and coordination of operations for completions and well interventions, including workovers, well suspension, well abandonment (following regulations of the AER in Canada) and Well Testing

Project Management, Operator and Service Companies coordination. Management of CWOP, DWOP, AAR (after action review) sessions, involving different disciplines.

Advanced well design (vertical and horizontal) taking into account drilling, completion and well intervention considerations, strong knowledge of new technologies and integrated implementation:

Safety factors analysis.

Design of completion systems, liner hanger systems, packer systems (including envelopes analysis), flow control systems, subsurface and surface safety systems. Solid training and experience on down-hole tools, including wellhead and Christmas tree

Trial stress analysis, tubular envelopes.

Present:

Completion and Well Intervention Advisor for Qatargas, March 2019 to March 2021

Employing Company: Qatargas (Contractor)

• Provide advanced level expertise of completions, workover, stimulation and well testing activity by planning, developing detailed designs and reviewing completions and well intervention procedures.

Enhance D&C organizational capability by providing mentorship and guidance for less experienced staff.

Provide expertise in troubleshooting and resolving issues as they arise during execution of Completions or Workover programs

Support development of new D&C contracts; define technical requirements and specifications to be included in contracts; provide engineering support for tendering activities, conducting technical evaluation.

Employment History:

Completion and Well Intervention Advisor for Latin America / Financial Coach, July 2016 – March 2019

Company: Parra Global Corporation

Provides with technical advice to several countries in Latin America

Sr. C&WI Engineer – Tight Gas & LTO Fox Creek/Deep Basin Assets, Aug. 2015-July 2016 Calgary, AB.

Employing company: Royal Dutch Shell

Designed and coordinated the hydraulic frac job in the FC-176 where the first totally dissolvable plugs have being used by Shell. This technology could save $2MM per well as the use of resin can be avoided without having to execute a CT clean out and increase the length of the laterals.

Sr. C&WI Completions Superintendent - Latin America Operations, Nov. 2012- Aug 2015; Houston, Texas.

Employing company: Royal Dutch Shell

Supervision of Completions/Well Interventions/Well Testing Operation

Selection of workover rigs

Completion of 7 horizontal wells per year

Designs the new onshore wells for Argentina, prepares the well design manual for horizontal wells

Contracting strategy and contract holder for Well Intervention and well testing activities in Latin America

Proposes and leads the new well design process for Argentina that allowed to safe more than $4MM per well

Defines Artificial Lift strategy for the contracting and implementation process in Argentina

Focal point for the implementation of the well delivery process in Latin-America

Building of completion and well intervention programs

Designs the recovery of a liner lost in the well CDL-4. This saved a $12MM well, an SRA (Special Recognition Award) was awarded

Sr. C&WI Completions Engineer - LTO and Heavy Oil Fields, Feb. 2010- Nov. 2012: Calgary.

Employing company: Royal Dutch Shell

Designs of onshore Grosmont area, observation and disposal wells, prepares the well design manual. Completion and well intervention programs, SAGD, including planning and execution.

Budling programs and execution of Completions/Well Interventions/Well Testing Operation for fracking in the

Well abandonment and well suspensions in the Peace River area, following ERCB regulations.

Installation of longest downhole heater around the world; 1000 meters in the Grosmont area. This technology is designed to reduce the bitumen viscosity (5 times more viscous than the peanut butter) down to the viscosity of a 30 API crude. This technology is still in development

Publication: “Wellbore Solids Removal Coiled Tubing and Vacuum Technology in Heavy Oil Horizontal Wells in North Central Alberta”. SPE/ICoTA Coiled Tubing & Well Intervention International Conference and Exhibition, 27-28 March, 2012, The Woodlands, Texas, USA

Sr. C&WI Completions Engineer – Sour Foothills Asset, January 2008 to February2010; Calgary,

Employing company: Royal Dutch Shell

Design and execution of several main workovers and abandonments of sour wells (Following the ERCB regulations). Closed interaction with the ERCB, most of the projects had to be presented to them. Gas wells, hostile environment; High Pressure, High Temperature, H2S and CO2

Concentric Coiled Tubing design and installation for mitigating liquid loading in sour gas wells in Foothills area. This project was designed to produce sour gas wells that were not able to produce because of liquid loading.

Front End Well Engineer, Jan. 2007 March. 2008, Maracaibo, Venezuela

Employing company: Royal Dutch Shell

Designed 7 cretacic offshore wells in Venezuela High Pressure/High temperature/H2S/CO2 service, including wellheads. Development of Cogollo and Rio Negro formations, with a potential of 55,000 bbl/day. Prepares the well design manual

Teaches the Casing Design School in Shell Venezuela

Coaching of young engineers

Rig workover/Drilling Supervisor, Mar.2006 March. 2007, Maracaibo, Venezuela

Employing company: Royal Dutch Shell

Designed and supervises the fishing of 12,000 ft of wire in the well UD-92. The successful fishing saved a $15MM well

Teaches Tubing Design School in Shell Venezuela.

Completions Engineer (Urdaneta Field). Oct. 2001-Mar. 2006, Maracaibo, Venezuela

Employing company: Royal Dutch Shell

Supervises the downhole equipment inspection, installation, captures lessons learned, and best practices, making sure they are taken into account for future applications.

Implementation of a QA/QC management system for completions and well intervention in the Urdaneta Field. This implementation saved an average of $1MM per well by avoiding significant operational problems.

Designs, lead the bidding process and installation of First level 6 Multilateral Well in the Maracaibo Lake, Venezuela. (Offshore Well MIB-07)

Designs, leads the bidding process and Installation of the first HP/HT, sour service, dual completion in Venezuela (Offshore UD-493). This completion saved the cost of drilling another well as two formations could be produced at the same time. The cost of a cretacic well was $15MM

Teaches Gravel Pack School in Shell Venezuela

Teaches a liner hanger school in Shell Venezuela

Study of Long Horizontal Gravel Pack application in Icotea/Misoa wells in the Maracaibo Lake.

District Engineer, Jan. 1998-Oct-2001, Maracaibo Venezuela

Employing company: Baker Hughes

Designs the first mono-bore completions in the Maracaibo Lake. This type of completion reduces the cost of well interventions because of the big size tubing and full access to the perforations with having to move a rig to location. Designed the first triple completion in Venezuela. Designed the HP/HT sour service (CO2/H2S) completion

Manages and prepared proposals for bidding processes of different operators in Venezuela

Account manager from Baker Hughes for Shell Venezuela

Field Engineer, Sep.1995-Sep. 1998, Maracaibo, Venezuela

Employing company: Baker Hughes

Installed the first thermal packer in Venezuela

Education:

B.Sc. Mechanical Engineering, 1995 - University of Zulia - Venezuela

Main HSSE Training:

ISO 14001: Environmental Mgmt. System (Shell)

Preparation of HSSE case (Shell)

Shell HSSE & SP Control Framework

Main Training and Development:

December 2010: Shell Round II Shell Completion and Well Intervention Certification

May 2010: Shell Training Centre, Rijswijk (3 weeks) Completions & Well Interventions.

October 2009: Shell Round I Completion & Well Intervention Certification, Louisiana

May 26th: June 26th 2009; English for Business, Berlitz Center, Calgary, Alberta, Canada

November 2008: Use of PROSPER for Nodal Analysis (5 Days), Houston, Texas, USA

July 2007: London Imperial College. (5 days) Production Logging Tool (PLT)

Nov. 2005: Shell Training Centre, Rijswijk (5 days) Advance Casing Design

March 2001: Baker Oil Tools (10 days) -Liner Hanger Systems Design and Protocol.

Nov. 1999: Baker Oil Tools - (5 days) Sales Orientation Seminar.

May. 1999: Baker Oil Tools - (10 days) Safety Systems Seminar.

Oct. 1998: Baker Oil Tools - (10 days) Sand Control Seminar.

Feb. 1998: Baker Oil Tools - (10 days) - Houston Texas - Advanced Wellbore Construction.

Jan. 1997: Baker Oil Tools - (10 days) - Houston Texas - Liner Hanger Seminar.

Aug. 1996: Baker Oil Tools - (10 days) - Houston Texas - Inflatable Seminar.

Jun. 1996: Baker Oil Tools - (15 days) - Houston, Texas - Packer Seminar.

Languages:

English, Spanish

French (Basic)

References:

Raul Caldera: Completions and Workovers Contractor, admq1u@r.postjobfree.com

Oscar Portillo, Principal Wells Engineer: admq1u@r.postjobfree.com

Note: More references upon request

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