A Systematic Experimental Study of Acid Fracture Conductivity Conference Paper uri icon

abstract

  • Abstract The fracture conductivity created in the acid fracturing process is critical to the success of this stimulation method but is difcult to predict. We have conducted a series of experiments in which core samples were acidized in a cell that allows for linear flow through a vertical fracture with fluid loss through the cores. The fracture conductivity created was then measured as a function of closure stress. We find that increased acid contact time sometimes results in lower fracture conductivity, fluid loss can increase fracture conductivity, and the Nierode-Kruk correlation accurately predicts the effccts of rock embedment strength and closure stress on acid fracture conductivity. We also observed that high fracture conductivity is created when the acid forms a deep channcl in the fracture.

name of conference

  • All Days

published proceedings

  • All Days

author list (cited authors)

  • Beg, M. S., Kunak, A. O., Gong, M., Zhu, D., & Hill, A. D.

citation count

  • 13

complete list of authors

  • Beg, Mirza S||Kunak, A Oguz||Gong, Ming||Zhu, Ding||Hill, A Daniel

publication date

  • January 1996