Mar 24, 2020

Engineer Completion & Workover

  • Abu Dhabi National Oil Company
  • Abu Dhabi
Full time Engineering

Job Description




Job Purpose:


Plans, coordinates and supports all technical and operational aspects of daily completion & workover related activities, including design and preparation of each well completion and/or workover program in accordance with local authority regulations, company policies & HSEQ standards.

Key Accountabilities:


Prepares Completion and/or Workover Programs. Works closely with other groups to assure the programs are based on all available information from nearby wells. The Completion or Workover Program must include, but is not limited to the following: 

Application of standard operations procedures, best practices and lessons learned,

Pre-Completion program (well killing, tubing pulling, fishing/milling packers, plug setting/recovering , record cased hole logs, etc. ) for Workover

Christmas tree, tubing and downhole completion equipment and schematics to meet expected conditions and well integrity,

Coiled Tubing program, if planned by the rig,

Stimulation program, if planned by the rig,

Completions fluids program,

Well testing and evaluation program, if planned by the rig,

Wellbore Clean Out program,

Perforating program,

Completion running procedure including packer setting procedure(s),

Tubing Stress Analysis,

Torque & Drag Analysis,

Contingency programs (as required).

Ensures that Company HSE policies, procedures, regulations and objectives are effectively implemented

Prepares cost estimates and AFE's for completions and workovers. 

Ensure all programmes and AFEs are produced in a timely manner to allow adequate time for all approvals.

Progress time and cost charts for the Completion or Workover phase.

Review and approve Daily Drilling Reports (DDR) for Completion & Workover activities.

Participates as completion and workover representative in the Well delivery process (WDP).

Interacts with asset teams during well planning, execution and post-completion/workover review.

Provides rig site technical assistance to Drilling Supervisors and 3rd Party Offshore Completion Engineers during operations.

Trouble shoots operational and technical completion and workover problems.

Follow-up make-up/testing of completion sub-assemblies in coordination with all concerned parties.

Conducts equipment technical evaluation after getting technical submission from vender in order to select the correct equipment for different applications.

Provides annual completion equipment and materials technical  specifications / quantity requirements as requested.

Maintains close liaison with services companies' engineers, and keep abreast of recent developments in the area of well completion technology, equipment, practices, etc.

Conducts studies on adaptability of such technology to ADNOC Offshore operations and makes appropriate recommendations.

Implement new ideas and technology and provide expertise in the function area to achieve required performance standards.

Analyses completion or workover performance and recommends changes in procedures and equipment based on findings.

Participates in industry organizations such as SPE, API and/or IADC.

Request equipment and service order (if necessary) for the non-contracted equipment.

Participate in scope of work preparation for the new contracts (completion services, fishing, well testing, well bore clean out, etc.).

Participate in end of well review and prepare presentation to show job sequence, NPT & lessons learned.

Ensures all reporting is completed in a timely manner (including After Action Reviews (AAR), Lessons Learned review, Well Quality KPIs, Well Completion Reports).

Ensures all documents relating all completion & workover activities are properly filed in well file, stored and available.

Qualifications. Experience. Knowledge & skills:


Minimum Qualification


Bachelor Degree in an Engineering Discipline, ideally Petroleum or Mechanical.



Minimum Experience & Knowledge & Skills


5 years of experience, including at least 3 years’ experience in completion / workover operations plus 2 years of which should be in oil & gas operations.

Very good knowledge of English.

Excellent computing skills including MS Office.

Knowledge of Landmark EDM software (OpenWells, Compass, Well Plan, WellCat)

Same base skills as Drilling/ Completion Engineer including:

Completion and Workover Operations & Equipment

Tubing Design including movement calculations

Basic Completion Fluids Technology

Basic Cementing Technology

Coil Tubing Technology

Stimulation & Well Testing Operations

Pore Pressure and Fracture Gradient

Hole Cleaning & ECD

Well Control Equipment and Procedures

Basic Open hole and Cased Hole Logging

Completions/Workover Problem Solving (Lost Returns, Stuck Pipe, Hole Instability)

Operations and Well Integrity

Well Testing

Slick/Wireline Operations

Risk Assessment

Sour Environment Operations

Basic Geology & Reservoir Engineering

Wellbore Cleanout Technologies

Fishing operations

Planning & Budgeting

Technical Writing



Professional Certifications


Basic Safety Training

Offshore Survival certificate (preferred)

IWCF/WellCap certification (preferred).

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