Tianjin Kelioil Engineering Material and Technology Co., Ltd. is one of the leading manufacturers and suppliers of oilfield oil well cementing retarder in China. Please feel free to buy high quality oilfield oil well cementing retarder at low price from our factory. If you have any enquiry about free sample, please feel free to email us.
Oilfield Drilling Cementing Retarder is a vital chemical for oil and gas well cementing, primarily tasked with controlling the setting time of cement slurry to preserve its fluidity and pumpability-thus preventing construction failures stemming from premature solidification; during use, it functions by adsorbing onto cement particles to slow hydration, chelating calcium ions in the slurry, and dispersing aggregates to avoid uneven setting, ensuring smooth cementing even amid fluctuating downhole temperatures, and it also adapts to different well conditions, offering formulations for low-temperature shallow wells (below 60℃) and high-temperature deep wells (above 204.4℃) to meet diverse project needs and support stable wellbore sealing.
Products Description
Oilfield Drilling Cementing Retarder is the polymer type, Accurately targets working temperature below 400℉(204.4℃,BHCT)
KELIOIL GROUP CEMENTING ADDITIVES WORKSHOP
Test in the Cementing Lab
Thickening Time Curve (Based on HTHP Consistometer Data)
→ Our retarder markedly prolongs the thickening time of cement slurry, and the curve remains smooth throughout the process, effectively preventing "false setting" or abrupt hardening issues.
24-Hour and 48-Hour Compressive Strength Development
→ After 24 hours and 48 hours of curing, the cement achieves favorable compressive strength. Notably, the retarding effect does not exert any negative influence on the subsequent development of strength.
Compatibility with Common Cement Types
→ This product demonstrates exceptional compatibility with Class G and Class H oil well cements. Additionally, it maintains stable performance when used in conjunction with other frequently applied additives.
Products Application
- Precisely adapts to working temperatures below 400℉ (equivalent to 204.4℃, BHCT)
- Offers favorable dosage adjustability, extending the pumpable duration
- Exhibits strong temperature responsiveness, maintaining steady performance amid temperature variations
- Boasts outstanding compatibility with fluid loss additives
Summary
- Prolongs the thickening period, guaranteeing secure cementing operations in complicated well intervals
- Delivers reliable performance at low dosages, cutting down on total expenses
- Sustains consistent functional stability even when applied in high-temperature well environments

Kelioil factory
Kelioil focuses on the research, development, and production of cementing additives, delivering a comprehensive product portfolio that encompasses Fluid Loss Additives, Dispersants, Retarders, Early Strength Accelerators, Washing Agents, Spacer Additives, and Defoamers.
Established in 2006, Kelioil runs a 30,000-square-meter manufacturing facility boasting an annual production output of 10,000 metric tons. The enterprise holds ISO9001 certification and adheres to API 10A standards. Featuring an environmentally friendly plant and fully automated production lines, Kelioil engages in R&D cooperation with universities in Japan. Its offerings are sold to overseas markets such as the Middle East, Indonesia, Nigeria, Russia, and Canada, among others.

During the oil well drilling process in oilfields, the retarder used for oil well cementing is a key auxiliary material to ensure construction safety. Its core function is to address the issue of excessively fast setting of cement slurry and regulate the setting time of the cement slurry.
During construction, workers need to transport cement slurry from the ground to the downhole, which can be several thousand meters deep, for wellbore reinforcement operations. If the cement slurry sets prematurely during transportation, it will directly cause blockage of the delivery pipeline and lead to construction interruption, which not only increases costs but also delays the construction period. However, the retarder can function in multiple ways: it adheres to the surface of cement particles to slow down the hydration reaction between cement and water; at the same time, it can combine with calcium ions in the slurry and disperse the aggregates formed by cement particles to avoid uneven setting. This ensures that the cement slurry maintains good fluidity at all times, enabling it to be smoothly transported to the designated location even when there are temperature fluctuations in the downhole.
The retarder also has excellent scenario adaptability: there are special formulations for shallow wells with temperatures below 60℃, and corresponding adaptive formulations for deep wells with temperatures exceeding 204.4℃, which can meet the construction needs of different well conditions. In addition, the retarder only slows down the setting speed of the cement slurry and does not affect the final strength of the cement. After 24 hours and 48 hours of curing, the cement can still reach the specified compressive strength, tightly wrap the wellbore, and achieve the long-term sealing effect of the oil well.
Hot Tags: oilfield oil well cementing retarder, China oilfield oil well cementing retarder manufacturers, suppliers, factory, selection of cementing retarders, evaluation of cementing retarders, adjustable cementing retarder, special purpose cementing retarder, active ingredient of cementing retarder, thick cementing retarder



