hrvatski

Novi prilaz proučavanju višestepenog primarnog cementiranja bušotina.

By using the presented mathematical fprmulae in calculating the optimum points of locating the multistage cementing tool in the casing string, it is possible to perform cementing jobs in several stages with higf precision. It is evident that cementing of subsequent stagewill be defined by concrete technical standards being characteristic of the cement slurry prepared on the basis of rigid requirements dictated by different prevailing in the wells. The momentat which placingof cement in each following stage will be started, depends on actual situation of the preeceding stage. The enclosed nomogram 3 can also be practically appliedin determining maximum lengths of cement slurry columns that will not cause losses of liquids (cement slurry, drilling mud)to the penetrated permeable strata while carryingout multi-stage cementing operations.

Proračunavanje; Višestupanjsko cementiranje; Primarno cementiranje; Bušotina

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