(22) 26.08.2016(43) 15.11.2018(57) A method and system for calculating the viscosity of cement slurry used for a primary cementing of an oil or gas well (12) comprises: pumping the cement slurry along...
(22) 23.07.2018(43) 15.11.2018(57) A cement composition for use in a well that penetrates a subterranean formation comprising: cement; water; and an additive comprising zirconium dioxide, wherein at...
(22) 12.03.2018(43) 25.10.2018(57) A modified gypsum set accelerator and a method of preparing the same is provided, which includes dry loose finely ground particles of a mixture of ground dry calcium...
(22) 26.06.2018(43) 18.10.2018(57) A composition and method of forming a wellbore cement that includes a cross-linked polyamide. The polyamide is formed by reacting a di-functional amine with an...
(22) 18.04.2018(43) 31.10.2018(57) Summary of the corresponding patent DE102007018579 (A1): Die vorliegende Erfindung betrifft einen flexiblen Baumaterialsack (1) für schüttfähiges Material,...
(22) 12.09.2018(43) 02.11.2018(57) Summary of the corresponding patent EP2662346 (A1): A method is described for reducing hexavalent chromium in common cements and cement based materials comprising...
(22) 28.08.2018(43) 19.10.2018(57) Summary of the corresponding patent WO2015173525 (A1): The invention relates to an ultra-fast setting cement composition comprising at least amorphous calcium...
Sika has opened a new production plant in Central America, located in Palin in the metropolitan area of Guatemala City. This move further expands the company’s market position in the emerging...
On 07.12.2018, company stakeholders and management agreed to appoint Jürgen Lutter as authorized signatory for the companies Calcis Lienen GmbH & Co. KG and Calcis Warstein GmbH & Co. KG.Mr. Lutter...
In the past, when construction material manufacturer Schomburg of Detmold needed to unload bulk materials from trucks, the process was very loud. The silo trucks were unloaded using the truck-mounted...
