Paper Title:
Research on Injection-Production System’s Effectiveness of Completely Fractured Well Arrangement
  Abstract

For rapid production decline, difficult production stability ability in low permeability reservoirs, establishment of effective injection-production system between injection and production wells is proposed to curb production decline. The effectiveness of an injection-production system should contain two aspects, supplementing enough energy to layer on time and overcoming starting pressure gradient. Completely fractured injection-production well arrangement is simplified into an injection-production one-way flow model, and layer pressure calculation formula is derived by separating variables while single-phase flow. Formulas of determining terminal parameters and driving pressure gradient of an effective injection-production system are gained by demanding for time limits on layer pressure and letting production well’s B.H.P (bottom hole pressure) equal or a bit bigger than a minimum pressure. Results show that the efficiency of a completely fractured well arrangement is related to permeability, oil viscosity, reservoir thickness, well spacing, well draining, production rate, and maximum producing pressure drop. The bigger the production rate, the smaller well draining should adopt, and the driving pressure gradient will also become bigger. For a certain reservoir, several sets of effective injection-production systems are possible, and which effective injection-production system is the best should determine by the principle of cost-effective development.

  Info
Periodical
Chapter
Chapter 11: Environmentally Sustainable Manufacturing Processes and Systems
Edited by
Wu Fan
Pages
2183-2187
DOI
10.4028/www.scientific.net/AMM.110-116.2183
Citation
H. L. Liu, W. Xiong, "Research on Injection-Production System’s Effectiveness of Completely Fractured Well Arrangement", Applied Mechanics and Materials, Vols. 110-116, pp. 2183-2187, 2012
Online since
October 2011
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Price
$32.00
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