Shaikh, Abdul Wajid. An experimental study to mitigate well cement permeability by using hydroxyethyl cellulose (HEC) and silica flour / Abdul Wajid Shaikh. - MUET Jamshoro : Petroleum & Natural Gas Engineering, 2018. - xv, 53p. : ill. ; 30 cm. Includes References. Subjects--Topical Terms: Petroleum Engineering. Dewey Class. No.: / SHA