Scale-up of perforation process from laboratory model to bottom hole dimensions

Research output: Contribution to journalArticle

Abstract

In the laboratory, it is challenging to perform experiments that can simulate completely the bottom hole conditions of a formation. As a means of completion technique, perforation is performed by shooting (PS) technique, using explosive charges, in the pay zone of the reservoir. To alleviate the problems associated with the PS technique, a new method, perforation by drilling (PD), is proposed in this article. During the execution of a perforation experiment, a number of bottom hole environments, resembling the true down-hole geometry, higher wellbore and formation pressure, perforation density (shoot per meter or drill per meter), perforation phasing, interval length for perforations, and proper diameter (d) and length (h) dimensions of perforations, are not simple to implement all the time in a laboratory-scale model. Nevertheless, the value of these parameters, used in the laboratory, are commonly diminutive compared to bottom hole circumstances. In this article, a scale-up method for laboratory-scale perforation is presented. In addition, results obtained by the subsequent implementation of the scale-up method in three different types of laboratory perforation models (PS, PD, and casting), to identify the bottom hole parameters influencing the completion efficiency, are described.

Original languageEnglish
Pages (from-to)19-34
Number of pages16
JournalJournal of Porous Media
Volume11
Issue number1
DOIs
Publication statusPublished - 2008
Externally publishedYes

Fingerprint

perforation
Scale-up
Shooting
Drilling
Completion
Higher geometry
Model
Casting
drilling
Experiment
Experiments
Charge
Interval
Geometry
scale models
intervals

ASJC Scopus subject areas

  • Modelling and Simulation
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Scale-up of perforation process from laboratory model to bottom hole dimensions. / Rahaman, Azizur.

In: Journal of Porous Media, Vol. 11, No. 1, 2008, p. 19-34.

Research output: Contribution to journalArticle

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