Two-Phase Flow in Horizontal Wells

Author:

Ihara Masaru1,Yanai Koji2,Takao Shingo3

Affiliation:

1. Japan Natl. Oil Corp.

2. Japan Petroleum Exploration

3. NKK Corp.

Abstract

Summary Flow in horizontal wells and two-phase flow interaction with the reservoir were investigated experimentally and theoretically. Two-phase flow behavior has been recognized as one of the most important problems in production engineering. We designed and constructed a new test facility suitable for acquiring data on the relationship between pressure drop and liquid holdup along the well and fluid influx from the reservoir. For the theoretical work, an initial model was proposed to describe the flow behavior in a horizontal well configuration. The model uses the inflow-performance-relationship (IPR) approach and empirical correlations or mechanistic models for wellbore hydraulics. Although good agreement was found between the model and experimental data, a new IPR apart from the extension of Darcy's law must be investigated extensively to aid in the proper design of horizontal wells.

Publisher

Society of Petroleum Engineers (SPE)

Subject

Fuel Technology

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