Gas migration during the "transition time" of cement hydration is a primary cause of sustained casing pressure (SCP) and annular flow. Our Gas Control Additives are engineered to prevent gas from invading the cement slurry as it transitions from a liquid to a solid state.
By forming a tight, impermeable polymer matrix and optimizing the static gel strength (SGS) development, CT610L and CT210S effectively block gas channels, ensuring long-term zonal isolation in high-pressure gas wells.
Anti-Gas Migration: Dramatically reduces the permeability of the set cement to prevent gas flow through the matrix.
Transition Time Control: Optimizes the slurry hydration curve to pass through the critical gas-entry window rapidly.
Fluid Loss Synergy: Works in tandem with fluid loss additives to maintain a low water-loss rate ($ < 50 , mL$) under HTHP conditions.
High-Temperature Stability: Maintains chemical integrity at circulating temperatures up to 180°C.
Target Wells: Specifically recommended for high-pressure gas wells, deep exploration wells, and wells with high potential for annular flow.
Recommended Dosage: * CT610L: 2.0% – 5.0% (BWOC)
CT210S: 1.0% – 3.0% (BWOC)
Compatibility: Compatible with all API classes of cement and most common additives, including retarders and dispersants.
Preventing gas migration is not just about additives; it's about engineering the slurry's internal structure. Our CT series provides a specialized latex or synthetic polymer film that bridges pores and seals micro-channels before gas can initiate flow, protecting your well's structural integrity.
Mention compatibility with your Retarders or Fluid Loss Additives to encourage users to explore your full additive suite.
Established in 2006, Tianjin Kelioil Engineering Material and Technology Co., Ltd. is a high-tech enterprise specializing in the independent R&D and large-scale production of oilfield cementing additives.
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