Earth borehole drilling, completion and work-over abandonment chemicals, namely, a water-soluble chemical for providing thixotropic properties and non-newtonian characteristics to waters and brines over a wide salinity range, and which has the ability to suspend solid materials such as bridging agents and weighting materials in aqueous solutions containing said chemical

Earth Borehole Drilling, Completion and Work-Over Abandonment Chemicals-Namely, a Water-Soluble Chemical for Providing Thixotropic Properties and Non-Newtonian Characteristics to Waters and Brines Over a Wide Salinity Range, and which has the Ability to Suspend Solid Materials Such as Bridging Agents and Weighting Materials in Aqueous Solutions Containing Said Chemical

INSTALLATION AND REPAIR OF PAVE STONES