Set retarding compounds for use in cement slurries

Details Set retarding compounds for use in cement slurries Set retarding compounds for use in cement slurries

1983-04-28

1984-08-21

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106315, C04B 735

Patent

active

044668368

ABSTRACT:
The process of employing as a cement setting retarder a compound which is a phosphonomethylated derivative of a dimer or polymer which is the reaction product of ethylene dichloride or epichlorohydrin with aminoethylpiperazine wherein at least 50% of the amine hydrogen substituents are phosphonomethyl groups or an alkali metal, alkaline earth metal or ammonium salt thereof.

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patent: 3346487 (1967-10-01), Irani et al.
patent: 3346488 (1967-10-01), Lyons et al.
patent: 3409080 (1968-11-01), Harrison
patent: 3654151 (1972-04-01), King et al.
patent: 3657134 (1972-04-01), King et al.
patent: 3794506 (1974-02-01), Schmidt et al.
patent: 3865803 (1975-02-01), Falkehag
patent: 3964921 (1976-06-01), Persinski et al.
patent: 4040854 (1977-08-01), Persinski et al.
patent: 4066469 (1978-01-01), Shiel et al.
patent: 4225361 (1980-09-01), Joseph
patent: 4401473 (1983-08-01), Kleiner et al.
Chem. Abstracts: 97, 112352a--"Plugging Composition for Cementing Oil and Gas Wells", Dytyuk, L. T. et al.
Chem Abstracts: 97, 26178a--"Plugging Fluids for Cementing Deep Petroleum and Gas Wells", Alekseev, P. D., et al.
Chem. Abstracts: 98, 58912p--"Improvement of Casing Cementation in Deep and Ultradeep Wells, Part 2, Deep Well Cements and Additives," Arens, K. H. et al.
SU-640-019, "Plugging Mixture for High-Temperature Oil or Gas Wells--Comprises Portland Cement and 1-Hydroxy Ethylidene-Phosphonic Acid Sodium or Potassium Salt", Khariv I YU.
"Additives Tailor Cement to Individual Wells", P. N. Parker, C. Clement, The Oil and Gas Journal, Mar. 14, 1977, vol. 75.

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