The Spacer Additive Manufacturer!
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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![Spacer Additive Oil Cementing]()
Spacer Additive Oil Cementing*Oil Cementing Spacer Additiveview more
*Spacer effectively displace the cement slurry and prevent mixing between the cement slurry and drilling fluid. BHCT).
*Easy to dissolve, simple to use, and stable in performance. -
![Cementing Spacer Fluid]()
Cementing Spacer FluidThe cementing spacer fluid CS210S serves as an "invisible guard" for cementing safety. It enables effective isolation and prevents contamination. The unique formula of CS210S can isolate drilling fluid from cement slurry,...view more -
![Oil Well Cement Spacer]()
Oil Well Cement Spacer*Used below temperature of 120℃ (248℉, BHCT).view more
*Remarkable thickening effect and high viscosity with low-concentration. Good suspension effect on the weighing agents, insoluble solids and oil drops.
*Good synergy... -
![Powder Spacer Additive]()
Powder Spacer Additive*Used below temperature of 120℃ (248℉, BHCT).view more
*Remarkable thickening effect and high viscosity with low-concentration. Good suspension effect on the weighing agents, insoluble solids and oil drops.
*Good synergy... -
![Liquid Spacer Additive]()
Liquid Spacer AdditiveSpacer additive, which can remove drilling fluid effectively, is able to prevent cement slurry from blending with it.view more
Used below temperature of 150℃ (302℉, BHCT).
Remarkable thickening effect with high viscosity, good... -
![Cementing Spacer Additive]()
Cementing Spacer AdditiveSpacer additive, which can remove drilling fluid effectively, is able to prevent cement slurry from blending with it.view more
Used below temperature of 150℃ (302℉, BHCT).
Remarkable thickening effect with high viscosity, good... -
![Oil Field Spacer Additive]()
Oil Field Spacer AdditiveSpacer additive, which can remove drilling fluid effectively, is able to prevent cement slurry from blending with it.view more
Used below temperature of 150℃ (302℉, BHCT).
Remarkable thickening effect with high viscosity, good... -
![Oil Well Spacer Additive]()
Oil Well Spacer AdditiveSpacer additive, which can remove drilling fluid effectively, is able to prevent cement slurry from blending with it.view more
Used below temperature of 150℃ (302℉, BHCT).
Remarkable thickening effect with high viscosity, good...
Why choose us
Quick response
We promise to respond to your inquiries within 24 hours to ensure that you receive the information and support you need in a timely manner.
Strong production capacity
Koli Petroleum has added four new production lines, including vacuum drying powder production line and liquid polymer synthesis production line, all of which are fully automated with human-machine interactive control, with a total production capacity of 10,000 tons/year.
Complete qualifications
It has passed ISO14001, ISO9000 and GB/T28001 certifications, and the powdered AMPS polymer fluid loss reducer has won the "National Key New Product" certificate.
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Item |
Test Condition |
Technical Indicator |
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Marsh funnel viscosity, s |
Marsh Funnel |
≥200 |
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Viscosity, mPa·s |
Viscometer |
≥5000 |
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Spacer agent prescription |
Fresh water 1600g + Spacer agent CS210S generally dosed at 0.5-4.0% (BWOW), recommended dosing 2.0% (BWOW). |
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Ensures Proper Displacement
Drilling mud often coats the wellbore and casing, leaving residues that can prevent the cement from adhering effectively. A cement spacer helps remove these residues, creating a clean surface for the cement to bond.
Prevents Contamination
By separating the drilling mud and cement slurry, the spacer prevents contamination. This ensures the cement maintains its designed properties, such as strength and durability.
Improves Well Integrity
A well-cemented casing ensures zonal isolation, preventing fluid migration between formations and maintaining the well's structural integrity. The use of a spacer significantly enhances this process.
Best Practices of Oil Well Spacer Additive
Thorough Evaluation
Before embarking on the selection of spacer additives, a comprehensive evaluation of well conditions is paramount. Factors such as temperature, pressure, and formation characteristics must be meticulously analyzed to ascertain the specific challenges and requirements of the well environment. This evaluation serves as the foundation for determining the compatibility and effectiveness of spacer additives within the context of the given well. By gaining a profound understanding of the unique conditions at play, operators can make informed decisions regarding additive selection, thus laying the groundwork for a successful cementing operation.
Proper Dosage
Achieving the optimal dosage of spacer additives is imperative for ensuring the efficacy of the cement slurry. Overdosing or underdosing can have detrimental consequences, ranging from diminished performance to compromised well integrity. Therefore, operators must adhere diligently to recommended dosage guidelines provided by manufacturers. Moreover, conducting thorough testing, both in laboratory settings and field trials, is essential for fine-tuning the dosage to suit the specific requirements of the well. By meticulously calibrating the dosage, operators can unleash the full potential of spacer additives, thereby enhancing cement slurry performance and fortifying wellbore integrity.
Compatibility Testing
The compatibility between spacer additives and other cementing additives is a critical consideration that cannot be overstated. Incompatibilities can give rise to chemical reactions that degrade the performance of the cement slurry, jeopardizing the success of the cementing operation. To mitigate this risk, comprehensive compatibility testing should be conducted prior to field application. By subjecting the additives to rigorous testing protocols, operators can identify any potential interactions and take preemptive measures to mitigate adverse effects. This proactive approach ensures the overall effectiveness and integrity of the cementing operation.
Application Techniques
The efficacy of spacer additives hinges not only on their composition but also on the application techniques employed during the cementing process. Proper mixing procedures, coupled with adequate placement methods, are essential for maximizing additive performance. Operators should leverage advanced equipment and techniques to ensure the uniform distribution of additives within the cement slurry. Moreover, adherence to standardized application protocols minimizes the risk of inconsistencies and ensures optimal performance across all sections of the wellbore. By prioritizing meticulous application techniques, operators can optimize the efficacy of spacer additives and bolster the integrity of the cementing operation.
Monitoring and Quality Control
Continuous monitoring and stringent quality control measures are indispensable for safeguarding the integrity of the cementing operation. Real-time data monitoring allows operators to identify any deviations from the expected performance and implement corrective measures promptly. By closely monitoring parameters such as slurry density, rheological properties, and fluid displacement efficiency, operators can ascertain the functionality of spacer additives and make real-time adjustments as necessary. Furthermore, post-application evaluation serves as a vital feedback mechanism, enabling operators to refine their approach and enhance future cementing operations.
Retarders
Retarders slow down the cement setting process, giving crews enough time to place slurry accurately, especially in deep wells or high temperature zones where premature setting can derail operations. The selection and dosage of retarders depend on bottom hole circulating temperatures to ensure proper set times. Common retarders include lignosulfonates and hydroxycarboxylic acids which regulate hydration kinetics.
Accelerators
Accelerators do the opposite. They speed up setting and boost early strength. This helps reduce waiting on cement (WOC) time and keeps rig schedules tight. Calcium chloride (CaCl₂) is a widely used accelerator and sodium chloride is another chemical additive sometimes used as an accelerator in well cementing operations.
Fluid Loss Control Agents
Fluid loss occurs when water escapes from the slurry into the formation, weakening the cement and risking zonal isolation; this is why fluid loss additives are critical in cementing operations. Additives like cellulose derivatives and latex polymers, which are commonly used as fluid loss additives to enhance fluid loss control properties, help retain water and maintain slurry stability.
Dispersants
Dispersants reduce slurry viscosity and improve flow, promoting turbulent flow and acting as friction reducing additives, which makes it easier to pump and place. They also prevent particle clumping, helping maintain optimal flow properties and rheological properties of the slurry, ensuring uniform distribution.
Dispersants
Dispersants reduce slurry viscosity and improve flow, promoting turbulent flow and acting as friction reducing additives, which makes it easier to pump and place. They also prevent particle clumping, helping maintain optimal flow properties and rheological properties of the slurry, ensuring uniform distribution.
Defoamers
Foam in cement slurry can lead to air pockets and reduced strength. Defoamers eliminate entrained air by reducing surface tension in the cement slurry, which improves density.
Extenders and Weighting Agents
Extenders like bentonite reduce slurry density for low pressure zones while weighting agents such as barite and other heavy weight additives are also used to increase slurry densities for high pressure wells.
Application Of Spacer Additive
1500rpm Stirring Speed Slowly Added To Fresh Water, Hydration 20min;
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Recommended Dosage 0.5 ~ 2.5%;
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For Temperature: 0 ~ 150 ℃ (Bhct);
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The Density Range: 1.0 ~ 2.30g / Cm3;
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Applicable To Existing Cement Slurry And Drilling Fluid System.
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Packing and storage
- Packed in 25kg bag. It can also be packed according to user requirements.
- Use within 24 months after production. When expired, lab test should be done to confirm the quality before use.
- Store in well-ventilated, cool and dry area, avoid exposure to sun and rain. The height of stack should be less than 8 layers.
Tianjin Kelioil Engineering Material and Technology Co., Ltd. is one of the most professional spacer additive manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to buy spacer additive for sale here from our factory. Contact us for free sample.
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