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Просмотр School of Mining and Geosciences по автору "a89c2fb8-e704-47f5-b85d-2bb5bc4e0e37"

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The effect of cations on gelation of cross-linked polymers

Sedaghatzadeh, Mostafa; Shahbazi, Khalil; Pourafshary, Peyman; Razavi, Seyed Ali (KEAI PUBLISHING LTD, 2019-08)

The effects of different cation concentrations and types on rheological property and stability of Guar, Xanthan, and Partially Hydrolyzed Polyacrylamide (HPAM) cross-linked gels were analyzed through experiments. Also, a ...
EXPERIMENTAL INVESTIGATION OF THE APPLICATION OF EUCALYPTUS BARK TO PREVENT LOST CIRCULATION IN PAY ZONES WITH ACID DISSOLUTION CAPABILITY

Sedaghatzadeh, Mostafa; Shahbazi, Khalil; Pourafshary, Peyman; Razavi, Seyed Ali (KeAi Communications Co., 2021-04-14)

Loss of drilling fluid is a common problem during the drilling of wells and it restricts the appropriate functionality of muds. Drilling fluid loss significantly increases drilling costs and non-productive time as well as ...
SOLID GEO MECHANICAL INVESTIGATION OF THE EFECT OF SALT CREEP ON CASING STABILITY USING FNITE ELEMENT METHOD: A CASE STUDY

Mohammadi, Saheb; Sedaghatzadeh, Mostafa; Pourafshary, Peyman (SN Applied Sciences, 2020-06-22)

The salt formation creeping can signifcantly afect the casing stability, because of the changes in mechanical and geome chanical parameters. The creeping of Gachsaran salty formation in the south part of Iran has infuences ...