Retarders

Cement setting times can be adjusted with retarders. Cement retarders control the time when a slurry will set hard, keeping the slurry viscous and pumpable in expected wellbore temperatures and for the amount of time required to place the slurry.

Retarders decrease the rate of cement hydration, acting in a manner opposite to that of accelerators.  

HR®-6L Cement Retarder
A 40% active solution of a chemically modified lignosulfonate, can be used to retard the setting of all classes of cement and Pozmix® cement, can be used at temperatures up to 210°F (99°C), as a secondary effect HR-6L retarder acts as a slight dispersant.
SCR-100™ Retarder
A nonlignosulfonate cement retarder that helps simplify the design of thixotropic slurries.
HR®-4 Retarder
A low temperature calcium lignosulfonate retarder for intermediate wells with bottomhole circulating temperatures up to 170°F (77°C) that can be used to retard all types of cement and Pozmix® cements, as a secondary effect HR-4 retarder acts a slight dispersant
HR-800™ Cement Retarder
Non-lignin based cement retarder capable of retarding cement at bottomhole circulating temperatures between 80°F (27°C) and 220°F (104°C), HR-800 retarder provides good strength development and may be effective in water-extended slurries, long cement columns or cooler temperatures.
SCR-200L™ Cement Retarder
SCR-200L liquid retarder is a synthetic, nonhazardous cement retarder specifically for high-temperature designs in environmentally sensitive locations.
COMPONENT R™ Retarder
A retarder enhancer, when combined with a primary cement retarder, can help extend the effectiveness of the primary retarder for higher temperature conditions up to 600°F (315°C).
HR®-817 Cement Retarder
A non-lignin based, high-temperature retarder (220°F/104°C to 350°F/177°C) that is North Sea approved, an economical alternative to commonly used high-temperature retarders.
HR®-25 Cement Retarder
A high-temperature retarder/intensifier, can be used at bottomhole circulating temperatures ranging from 200°F (93°C) to >400°F (>204°C) with a primary retarder, used alone it can gel cement.
HR®-12 Cement Retarder
An effective retarder for all cement types and Pozmix® cements, is useful in conditions too severe for HR®-4, HR®-5 and HR®-7 retarders, provides excellent retardation in wells with bottomhole circulating temperatures as high as 340°F (171.1°C), HR-12 retarder can also exhibit dispersing effects on cement.
SCR-500™ and SCR-500L™ Cement Retarders
A synthetic cement retarder designed for use in cement with bottomhole circulating temperatures between 200°F (93.3°C) and 330°F (165.5°C), produces a linear response between concentration and thickening time
HR®-7 Cement Retarder
A sodium lignosulfonate used as a retarder and dispersant in all classes of cement and Pozmix® cement at temperatures ranging from 110°F (43.3°C) up to 170°F (76.7°C), as a secondary effect HR-7 retarder can decrease air entrainment and help control fluid loss.
HR®-5 Retarder
A chemically modified lignosulfonate used to retard the setting of all classes of cement and Pozmix® cement, provides more predictable thickening times than HR-4 and can be used at bottomhole circulating temperatures up to 210°F (99°C), as a secondary effect HR-5 retarder acts as a slight dispersant

Retarders

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Summary Summary HR®-14LM Cement Retarder
HR®-14LM cement retarder has a broad range of application and may be used for retarding both lead and tail slurries at temperatures between 80°F and 350°F (27°C–177°C).
Summary Summary HR-4 Cement Retarder
HR®-4 cement retarder is a calcium lignosulfonate derived from wood. It can be used to retard all API classes of cement as well as Pozmix® cement.
Summary Summary SCR-500L High-Temperature Retarder
SCR-500L™ high-temperature retarder is a synthetic material designed for use in slurries exposed to high bottomhole circulating temperatures (BHCTs) ranging from 200° to 330°F (93° to 165°C).
Summary Summary HR-800™ Cement Retarder
HR-800™ non-lignin cement retarder is capable of retarding cement at temperatures between 80 - 220°F (20 - 105°C).
Summary Summary HR®-6L Cement Retarder - A4
HR®-6L retarder is a 40% solution of a chemically modified lignosulfonate. It can be used to retard all API classes of cement as well as Pozmix® cement.
Summary Summary HR®-6L Cement Retarder (Russian)
Russian version of sales data sheet on HR-6L
Summary Summary HR®-5 Cement Retarder
HR®5 additive is a chemically modified lignosulfonate that retards the setting of cement. It is designed for use in wells with recirculating temperatures between 125° and 206°F (290°F static).
Summary Summary HR®-601
HR®-601 retarder is a lignin-based, cement-set retarder that does not overly disperse slurries like other common retarders.
Summary Summary HR®-25L
HR®-25L high-temperature retarder/intensifier is a standalone retarder that can be used to gel cement. However, this product was primarily designed for intensifying common retarders.
Summary Summary MICROMAX™ Weight Additive A-4
MICROMAX weight additive consists of a hausmannite ore ground to an average particle size of 5 microns. This additive is primarily used to increase slurry density.
Summary Summary HR®-12 Cement Retarder
HR®-12 retarder is a mixture of HR®-4 retarder and an organic acid. It can be used to retard all API classes of cement as well as Pozmix® cement.
Summary Summary SCR-100™ Cement Retarder
SCR-100™ retarder is a nonlignosulfonate cement retarder that helps simplify the design of thixotropic slurries.
Summary Summary SCR-100™ Cement Retarder - A4
SCR-100™ retarder is a nonlignosulfonate cement retarder that helps simplify the design of thixotropic slurries.
Summary Summary HR®-6L Cement Retarder
HR®-6L retarder is a 40% solution of a chemically modified lignosulfonate. It can be used to retard all API classes of cement as well as Pozmix® cement.
Summary Summary Micro Matrix® Cement Retarder
Micro Matrix® Cement Retarder (MMCR) is a liquid retarder designed for use in Micro Matrix cement.
Summary Summary SCR100™ Cement Retarder (Russian)
Russian language version of data sheet.
Summary Summary Micro Matrix® Cement Retarder A-4
Micro Matrix® Cement Retarder (MMCR) is a liquid retarder designed for use in Micro Matrix cement.
Summary Summary HR®-25 Cement Retarder SCR-100 (Russian)
Russian language version of data sheet.
Summary Summary HR®-7 Cement Retarder
HR®-7 retarder is a sodium lignosulfonate that can be used as a retarder and dispersant in all API classes of cement as well as Pozmix® cement.
Summary Summary MICROMAX™ Weight Additive (Russian)
Russian language version of data sheet.
Summary Summary MICROMAX™ Weight Additive
MICROMAX weight additive consists of a hausmannite ore ground to an average particle size of 5 microns. This additive is primarily used to increase slurry density.
Summary Summary HR®-25 Cement Retarder SCR-100 -A4
HR®-25 is a high-temperature retarder/intensifier. As a stand-alone retarder, HR®-25 retarder/intensifier can be used to gel cement.
Summary Summary HR®-25 Cement Retarder SCR-100
HR®-25 is a high-temperature retarder/intensifier. As a stand-alone retarder, HR®-25 retarder/intensifier can be used to gel cement.
Summary Summary HR®-4 Cement Retarder
HR®-4 retarder is a calcium lignosulfonate derived from wood. It can be used to retard all API classes of cement as well as Pozmix®cement.
Summary Summary HR®-6L Cement Retarder
A 40% active solution of a chemically modified lignosulfonate, can be used to retard the setting of all classes of cement and Pozmix® cement, can be used at temperatures up to 210°F (99°C), as a secondary effect HR-6L retarder acts as a slight dispersant.
Summary Summary SCR-100™ Retarder
A nonlignosulfonate cement retarder that helps simplify the design of thixotropic slurries.
Summary Summary HR®-4 Retarder
A low temperature calcium lignosulfonate retarder for intermediate wells with bottomhole circulating temperatures up to 170°F (77°C) that can be used to retard all types of cement and Pozmix® cements, as a secondary effect HR-4 retarder acts a slight dispersant
Summary Summary HR®-601 Cement Retarder
A lignin-based, non-dispersing cement retarder that can maintain the weight of a foamed slurry under downhole conditions, HR-601 retarder was developed for bottomhole circulating temperatures ranging from 150°F (65.5°C ) to 275°F (135°C) but is effective at temperatures up to 340°F (171°C ) when used in conjunction with an enhancer.
Summary Summary HR-800™ Cement Retarder
Non-lignin based cement retarder capable of retarding cement at bottomhole circulating temperatures between 80°F (27°C) and 220°F (104°C), HR-800 retarder provides good strength development and may be effective in water-extended slurries, long cement columns or cooler temperatures.
Summary Summary SCR-200L™ Cement Retarder
SCR-200L liquid retarder is a synthetic, nonhazardous cement retarder specifically for high-temperature designs in environmentally sensitive locations.
Summary Summary COMPONENT R™ Retarder
A retarder enhancer, when combined with a primary cement retarder, can help extend the effectiveness of the primary retarder for higher temperature conditions up to 600°F (315°C).
Summary Summary HR®-817 Cement Retarder
A non-lignin based, high-temperature retarder (220°F/104°C to 350°F/177°C) that is North Sea approved, an economical alternative to commonly used high-temperature retarders.
Summary Summary Retarders
Retarder additives are used to increase the set time of cement slurries or to increase pumping time.
Summary Summary HR®-25 Cement Retarder
A high-temperature retarder/intensifier, can be used at bottomhole circulating temperatures ranging from 200°F (93°C) to >400°F (>204°C) with a primary retarder, used alone it can gel cement.
Summary Summary HR®-12 Cement Retarder
An effective retarder for all cement types and Pozmix® cements, is useful in conditions too severe for HR®-4, HR®-5 and HR®-7 retarders, provides excellent retardation in wells with bottomhole circulating temperatures as high as 340°F (171.1°C), HR-12 retarder can also exhibit dispersing effects on cement.
Summary Summary FE-2™ Agent
An effective iron-sequestering material which retards conventional and ThermaLock™ cement designs
Summary Summary SCR-500™ and SCR-500L™ Cement Retarders
A synthetic cement retarder designed for use in cement with bottomhole circulating temperatures between 200°F (93.3°C) and 330°F (165.5°C), produces a linear response between concentration and thickening time
Summary Summary HR®-7 Cement Retarder
A sodium lignosulfonate used as a retarder and dispersant in all classes of cement and Pozmix® cement at temperatures ranging from 110°F (43.3°C) up to 170°F (76.7°C), as a secondary effect HR-7 retarder can decrease air entrainment and help control fluid loss.
Summary Summary HR®-5 Retarder
A chemically modified lignosulfonate used to retard the setting of all classes of cement and Pozmix® cement, provides more predictable thickening times than HR-4 and can be used at bottomhole circulating temperatures up to 210°F (99°C), as a secondary effect HR-5 retarder acts as a slight dispersant
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HR-800™ Cement Retarder
HR-800™ non-lignin cement retarder is capable of retarding cement at temperatures between 80 - 220°F (20 - 105°C).