Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/665,248external-prioritypatent/US4676832A/en
Application filed by Halliburton CofiledCriticalHalliburton Co
Priority claimed from EP19850306926external-prioritypatent/EP0177308B1/en
Application grantedgrantedCritical
Publication of ATE66443T1publicationCriticalpatent/ATE66443T1/en
Curing Cements, Concrete, And Artificial Stone
(AREA)
Abstract
A SET RETARDED CEMENT COMPOSITION FOR CEMENTING HIGH TEMPERATURE ZONES IN WELLS, COMPRISING HYDRAULIC CEMENT; SUFFICIENT WATER TO FORM A PUMPABLE SLURRY; AND AN EFFECTIVE AMOUNT OF ONE OR MORE METHYLENE PHOSPHONIC ACID DERIVATIVE RETARDERS.
AT85306926T1984-09-271985-09-27
METHODS OF CEMENTING BORES AND COMPOSITIONS.
ATE66443T1
(en)