Choline Chloride-75% Aq
Choline Chloride in Clay Stabilization for the Oil and Natural Gas Industry
Choline chloride 75% is a chemical compound which is used into various industrial applications, predominately as a component for hydraulic fracturing of shale natural gas wells. Choline Chloride in Clay Stabilization for the Oil and Natural Gas Industry Drilling and stimulation in shale and other clay containing formations pose challenges due to day swelling. This swelling causes a number of issues
including:
-Wellbore instability
-Cuttings disintegration
Br balling
Fines migration
-Reductions in permeability of the formation to hydrocarbons
Choline Chloride has proven itself as a safe and very effective clay stabilizer, at a reasonable cost
functions through ion exchange, where choline chlonde provides a cation to replace the native
solubilized clay cation (typically sodium)
Choline Chloride is used as a shale swelling inhibitor in drilling fluid, completion fluid, and workover fuit, to prevent shale from expansion and hydration, providing wellbore stability.
These issues can result in higher drilling costs and slower production rates. Clay stabilizers reduce day swelling and its associated risks leading to lower drilling costs and improved production rates Potassium chloride (KCL) is commonly used in preventing the swelling of clay as a temporary clay stablizer However, the use of KCL in drilling carries environmental concerns as chlorides do not degrade and can enter surface water carrying heavy metal including cadmium and mercury
The key features offered by Choline salts as an alternative to traditional clay stabilizers include
Biodegradability and reduction in the amount of chlorides Superior performance and use at much lower levels
Compatibility with brine, calcium chloride and KCL solutions
Ability to work well with known fracturing fluids, cross-linkers and breakers
Minimization in chemical handling including pre-mixing and saltwater disposal Flexibility for use in all environments
Item CPVC-Z500 CPVC-J700 Content of chlorine % 58~65 63~69 Exterior White powder White powder Volatilization % 0.29 0.29 30 mesh sieve rate% 99 99 Thermal decomposition temperature 120 120 Density(g/cm©) 1.45-1.58 1.45-1.58 Tensiles strength (Mpa) 54-70 54-70 Bending strength (Mpa) 120 120 Linear expansion coefficient (K-1) (6.5-7.5)*10-5 (6.5-7.5)*10-5. In two-layer bag with the interior in plastic and the exterior in woven. The weight of each bag is 25kg.
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