1 - completion concept
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8/11/2019 1 - Completion Concept
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1. COMPLETIONCONCEPTSWell Completions
Marcelo GUARANI
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Agenda
What a Concept is?
Concept Selection
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Concept
A method for determining what features a product
should have, and what metrics can be used to
measure the quality and/or performance of the
product, based on the analysis of the problem’sneeds/constraints and company preferences.
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Concept Selection
3 main cases:
a) Open hole completions
b) Un-cemented Liner completions
c) Cased and Cemented completions
The basis of the selection:
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Concept Generation
Brainstorming.
References.
History Tracking. Homologues.
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External Decision
Product Champion
Intuition
Multivoting
Pros and Cons
Prototype and test
Decision matrices
Concept Selection Methods
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Concept Screening
Selection Criteria A B C D E F G Ref
1 Sand Consolidation Handling. 0 0 -1 0 0 -1 -1 0
2 Compatibility with fluid to be produced. 0 -1 -1 0 0 1 0 0
3 Maintenance frequency. 0 0 1 0 1 0 1 0
4 Load Handling. 1 1 1 1 1 0 1 0
5 Temperature Handling. 0 0 0 0 0 1 0 06 Pressure Handling. 1 -1 -1 0 0 -1 0 0
7 Flexible to be upgraded in time. 1 1 -1 -1 0 -1 -1 0
Pluses 3 2 2 1 2 2 2
Sames 4 3 1 5 5 2 3
Minuses 0 2 4 1 0 3 2
Net 3 0 -2 0 2 -1 0
Rank 1 3 7 5 2 6 4Continue? Y Y N N Y N Y
Concept Variants3. Criteria
4. Rates
5. Rank
2. Ref.
Concept1. Concepts
6. Combine & Improve Concepts.
7. Select one or more concepts.
8.Commit to the results
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Screening Exercise
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Concept scoring
Selection Criteria Weight RankingWeighted
Score Ranking
Weighted
Score Ranking
Weighted
Score Ranking
Weighted
Score Ranking
Weighted
Score
Sand Consolidation Handling. 0.05 3 0.15 3 0.15 3 0.15 2 0.1 3 0.15
Compatibility with fluid to be produced. 0.05 3 0.15 2 0.1 3 0.15 3 0.15 3 0.15
Maintenance frequency. 0.2 3 0.6 3 0.6 4 0.8 4 0.8 3 0.6
Load Handling. 0.1 4 0.4 4 0.4 5 0.5 5 0.5 3 0.3
Temperature Handling. 0.1 3 0.3 3 0.3 3 0.3 3 0.3 3 0.3
Pressure Handling. 0.1 4 0.4 2 0.2 3 0.3 3 0.3 3 0.3
Ease of Installation 0.2 4 0.8 4 0.8 3 0.6 2 0.4 3 0.6
Flexible to be upgraded in time. 0.2 3 0.6 3 0.6 3 0.6 3 0.6 3 0.6
Total Score
Rank
Continue?
Concept Variants
N
3.15
3
33.4
2
N
3.15
4
3.4
1
N Y
A B E G Ref
Relative Performance Ranking
Much worse than Ref. 1
Worse than Ref. 2
Same as Ref. 3
Better than Ref. 4
Much better than Ref. 5
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References
http://www.businessdictionary.com/
http://www.halliburton.com/en-
US/ps/solutions/workflow-integration/completion-
challenges/default.page?node-id=hgjyd49c
http://www.halliburton.com/public/solutions/conten
ts/Workflow_Integration/related_docs/Deepwater
_Completion_Workflow.pdf
M. GUARANI