RETARDERS

Application Circulating Temperature Range Product Form BJ Services Halliburton Petrochem Schlumberger
Low Temperature Up to about 180°F Powder R-3 HR-4, HR-7 D13
    Liquid F-21L HR-4L, HR-7L D177
Mid-range or moderate temperature 125°F to about 225°F Powder/Liquid R-3, R-11** HR-5 D800 / D801
    Powder/Liquid R-10L, R-12, R-12L HR-6L D800 / D801
Moderate to high temperature About 175°F to 300°F Powder R-6 or Diacel LWL Diacel LWL D8
    Liquid     D110
High temperature Over about 225°F Powder R-8 HR-12, HR-15 D28
    Liquid R-8L HR-12L, HR-13L D150 / D110
High temperature Over about 300°F Powder   HR-20  
    Liquid    
 
  
Retarder air for lignosulfonates   Powder R-9 or Sodium Borate Component R
P-RA
 D93
Retarder air for lignosulfonates   Powder   HR-25 D121
Synthetic Retarder Effective up to about 250°F Powder SR-30(1) SCR-100 D161
    Liquid R-14L, R-15LS, R-20L SCR-100L

P-MTRL

D110 / D801
Synthetic Retarder Effective up to about 425°F Powder SR-30(1) HR-25 D161
    Liquid   HR-25L D161
Retarder for improved compressive strength developed in long cement columns Helps early compressive stregth development where significant temperature differential exists between the top and bottom of the cement column Powder SR-30(1) SCR-100 D161
    Liquid   CR-100L D110
Retarder for microfine cements   Powder    
 
  
    Liquid   MMCR
 
  
Thixotropic cement retarder   Powder R-18, SR-30   D110
Permafrost cement retarder   Powder CD-11, R-7 Sodium Citrate
 
  
    Liquid    
 
  
Permafrost cement retarder   Powder   HR-4 D13
    Liquid   HR-4L D81