DRILL-COL GLYCOLS FOR SHALE INHIBITION & CLOUD POINT

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DRILL-COL 240

A blend of alkyl polyoxyalkylene glycol and glycols that functions as an effective shale inhibitor for water-based muds. It is specially designed for water-based drilling fluids with a sodium chloride (NaCl) or potassium chloride (KCl) content around 10% and at a temperature range of 55 to 90°C (131 to 194°F). In this temperature range, depending on the concentration, DRILL-COL 240 shows an inverse solubility (clouds out) resulting in a high adsorption onto shale and inhibitive properties.

DRILL-COL 275

A blend of alkyl polyoxyalkylene glycol and glycols that functions as an effective shale inhibitor for water-based muds. It is specially designed for water-based drilling fluids with a sodium chloride (NaCl) or potassium chloride (KCl) content around 10% and at a temperature range of 55 to 90°C (131 to 194°F). In this temperature range, depending on the concentration, DRILL-COL 275 shows an inverse solubility (clouds out) resulting in a high adsorption onto shale and inhibitive properties.

DRILL-COL 340

A blend of alkyl polyoxyalkylene glycol ethers with a small amount of glycol that functions as an effective shale inhibitor for water-based muds. It is specially designed for sodium chloride (NaCl) water-based drilling fluids with a high NaCl content from 20% to salt-saturated. Depending on the concentration, DRILL-COL 340 shows an inverse solubility (clouds out) resulting in a high adsorption onto shale and inhibitive properties. The clouding-out region is approximately 160 to 250°F (71 to 121°C) in 20% NaCl and approximately 130 to 175°F (54.4 to 79.4°C) in a salt-saturated (26%) NaCl solution.

DRILL-COL 705

A blend of glycols that functions as a general purpose shale inhibitor for water-based muds. It is specially designed for fresh to medium salinity water-based drilling fluids at low temperatures. DRILL-COL 705 has a low cloud point, which provides an inverse solubility (clouds out), that results in a high adsorption onto shale and improves inhibitive properties.

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