Short Description:
Scope of application Temperature: below 180 ℃ (BHCT). Dosage: 0.6% – 3.0% (BWOC) is recommended.
Packaging FC-600S is packed in 25kg three in one composite bag, or packaged according to customer requirements.
Remarks FC-600S can provide liquid product FC-600L.
Keywords:
FC-600S Fluid loss Control additives
Category:
Details Description
There are two basic kinds of activities in cementing, namely, primary and secondary cementing. Primary cementing fixes the steel casing to the surrounding formation. Secondary cementing is used for filling formations, sealing, or water shutoff. Fluid loss additives, which are stable against high temperatures and concentrated salt solutions, ensure a reliable cementing job under difficult conditions.
• FC-600S is a polymer fluid loss additive for cement used in oil well and formed by copolymerization with AMPS as main monomer with good temperature and salt resistance and in combination with other anti-salt monomers. The molecules contain a large number of highly adsorptive groups such as - CONH2, - SO3H, - COOH, which plays an important role in salt resistance, temperature resistance, absorption of free water, water loss reduction, etc.
• FC-600S has good versatility and can be used in a variety of cement slurry systems. It has good compatibility with other additives.
• FC-600S is suitable for wide temperature with high temperature resistance up to 180℃. After use, the fluidity of cement slurry system is good, stable with less free liquid and without retarding set and strength develops quickly.
• FC-600S is suitable for fresh water/salt water slurry preparation.
| Product | Group | Component | Range |
| FC-600S | FLAC MT | AMPS | <180degC |
Item | Index |
Appearance | White to light yellow powder |
Item | Technical index | Test condition |
Water loss, mL | ≤50 | 80℃, 6.9MPa |
Multiviscosity time, min | ≥60 | 80℃, 45MPa/45min |
initial consistency, Bc | ≤30 | |
Compressive strength, MPa | ≥14 | 80℃, normal pressure, 24h |
Free water, mL | ≤1.0 | 80℃, normal pressure |
Component of cement slurry: 100% grade G cement (High sulfate-resistant)+44.0% fresh water+0.7％ FC-600S+0.5 % defoaming agent. | ||
For more than 20 years, fluid loss control agents have been added to oil-well cement slurries and it is now recognized in the industry that the quality of cementing jobs has significantly improved. Indeed, it is generally clearly acknowledged that a lack of fluid loss control may be responsible for primary cementing failures, due to excessive density increase or annulus bridging and that formation invasion by cement filtrate may be deleterious to the production. Fluid loss additive can not only effectively control the fluid loss of cement slurry, but also prevent oil and gas layer from being polluted by the filtered fluid and thus increase the recovery efficiency.
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