... verschiedenen Temperaturen gemischt werden Die zu bezeichnenden Eiqemchaften sind. l o Der Böchstrijck.strand' cement chemistry specification test piece construction cement room temperature cement formulation tentative specification Reid laboratory requirement casing and cementing higher...

... this specification is largely recognised as inadequate. The desirability of a uniform specification for oil-well cements is briefly discussed, and it is thought that some such standard or standards must be adopted. A tentative specification is put forward in the present paper. It is clearly to be understood...