Principles of rapid design of an Inflow Control Device Completion in Homogeneous and Heterogeneous Reservoirs Using Type Curves

Bona Prakasa, Khafiz Muradov, David Roland Davies

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
71 Downloads (Pure)

Abstract

This paper discusses the development and application of universal type-curves for the design of Advanced Well Completions (AWCs) equipped with passive (non-adjustable), flow control devices {a.k.a. Interval Control Devices (ICDs)}. This work provides an innovative, rapid approach to their design without the need for numerical simulators.

AWCs equipped with ICDs aim to delay the early breakthrough of unwanted fluids in wells constructed close to a reservoir fluid contact. An uneven inflow profile due to reservoir permeability heterogeneity, multiple fluid contacts or an undulating well path needs to be managed. In addition, the Heel-to Toe effect (HTE) by frictional pressure loss due to fluid flow along the length of the completion interval also promotes a non-uniform inflow profile.

The main AWC design challenge is to balance the trade-off between loss in well productivity from the added flow restrictions and the benefit of an improved inflow profile. This paper reviews the development of the analytical modelling of the inflow performance of horizontal wells with ICD completions, It presents new semi-analytical, mathematical models describing the ability of AWCs to mitigate production problems created by (reservoir) permeability heterogeneity and the (in-well) HTE. New dimensionless numbers allow the development of universal type-curves (TCs) for AWC design. The new workflow is illustrated for several case studies and the results validated by their good agreement with calculations made with the standard “well-reservoir” numerical simulator employed by engineers for this task.

This novel approach for rapid analysis of the implications of well log data, such as that obtained shortly before the beginning the installation of the well completion, is the latest addition to the well completion engineering toolbox.
Original languageEnglish
Pages (from-to)862-879
Number of pages18
JournalJournal of Petroleum Science and Engineering
Volume176
Early online date5 Feb 2019
DOIs
Publication statusPublished - May 2019

Keywords

  • Heel-to-toe effect
  • Horizontal well
  • Inflow control devices
  • Inflow rate distribution
  • Intelligent well completion

ASJC Scopus subject areas

  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology

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