PRODUCTS TECHNICAL DATA
PRODUCT NAME :Filter Cake Breaker,ME-OBR
COMPOSITION / INFORMATION ON INGREDIENTS AND APPLICATIONS
Filter Cake Breaker,ME-OBR is a proprietary mixture of organic and inorganic acids and solvents. It is a multipurpose polymer, carbonate particle and scale dissolver which can be applied to oil and gas facilities with particular applications in open hole and production well cake breaking applications.
With in-built corrosion sequestration and de-emulsifiers – it is widely used to break or prevent emulsion blockage and to scour metal ions from the well target. Use as pre-flush or open hole cake breaker.
PRE-FLUSH FUNCTION
Emulsion Breaking; Polymer Dissolving; Metal Sequestration; Water Wetting; De-Oiling
WELL BORE FUNCTION
Carbonate Dissolver; Mud Cake Breaker; Clay Control
CASE STUDY
CNOOC used heavy Synthetic oil-based drilling fluid in Bohai offshore oilfield in 2014. The Synthetic oil-based mud cake contains asphaltene, colloid, calcium carbonate. The damaging mechanism was determined to be whole synthetic oil based mud (SOBM) compressed around the screen completion, combined with possible solids drop out. Coiled Tubing intervention was carried out with solvent/acid based Nano wash systems. Eventually multiple attempts with an acid/surfactant/ solvent system were unsuccessful. This treatment fluid was aimed at disrupting and removing any oil wet solids and / or calcium carbonate.
Filter Cake Breaker,ME-OBR was ordered out to the location, 5.5% was prepared and pumped ahead of a base oil spacer. When Filter Cake Breaker,ME-OBR made contact with the formation, it was noted that the losses increased slightly.The string jarred free shortly thereafter and was pulled successfully without any renewed sticking incidence. The contact time from the first contact to the string being freed was under three hours.
PHYSICAL AND CHEMICAL PROPERTIES
Color and smell：None | Flammable: Yes |
Physical state：Liquid | Volatility (acetic acid =1) None Specific |
Boiling point(℃)：100 | Gravity (water = 1)： 1.0-1.15 Water |
Freezing point(℃)：None | soluble：Good |
Melting point(℃)：<0 pH | Vapor Pressure (MM Hg):：None Flashin |
(1% water solution)： 5.0 | point (°C) :None |
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