The effect of well stimulation using different acidization methods on the productivity index of productive wells on one of the Bangestan reservoirs
Publish place: 14th International Oil, Gas and Petrochemical Congress
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IOGPC17_103
تاریخ نمایه سازی: 3 آبان 1389
Abstract:
productivity increase in carbonate reservoirs by acid injection has taken into account as one of the popular methods and practical techniques. Certainly this technique has been used in the west south of iran , it stimulates clearance and creates fractures in the reservoir rock to increase permeability and productivity and injectivity in gas and oil wells. in this paper pan system software has analyzed productivity index , production rate and skin factor by using of well test that is done before and after acidization on wells it is done eight rings of oil field M and six rings of oil field T from banestan reservoirs. in addition , this work was accomplished by LOG LOG plot techniques and horner plot methods. the results of lio field M shows that considering mentioned data indicates negative skin factor -4 with productivity index and low matrix permeability. in order to confirm natural fracture existence we use coring. one of the reasons that permeabilities form results data of well test have low rate is that reservoir can be non homogeneous and so amount of PI has been increasing after acidization and it can be said 80% from acidizationes of oil field of M has been successful.
Keywords:
well stimulation , productivity index , oil fields of M&T , acidization , skin factor , amerada carelessness.
Authors
h shirali
M.S.oil reservoir engA UNIVERSITY PROFESSOR OF MARVDASHT IN SHIRAZ
hossein ghbadi
M.S.oil reservoir eng.NIOC
kamaleh ghsmolaskari
faculty member of ahwaz university petroleum engineering department & faculty member of amirkabir university petroleum eng
naser alizadeh tabrize
faculty member of ahwaz university petroleum engineering department & faculty member of amirkabir university petroleum eng
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