Patent ID: 9676988
Date: 2017-06-13
CPC Classifications: C04B,C09K,E21B

Claim:
1. A method of manufacturing a solid phase barite containing material for use in a wellbore, the method comprising: providing the barite containing material having relatively small particles with a particle size distribution of at least 50 vol % particles having a diameter in the range of 1 μm to 10 μm and at least 90 vol % particles having a diameter in the range of 4 μm to 20 μm; contacting the barite containing material with a liquid in order to form relatively large particles having a particle size distribution with at least 90 vol % of the particles having a diameter of at least 30 μm, wherein the liquid is one or more selected from the list consisting of: solutions of sodium chloride and calcium chloride; lignosulphonate, natural gum products including guar gum, glycols, and commercially available binders.