RO98258B1 - Additive composition for well cement pastes - Google Patents

Additive composition for well cement pastes

Info

Publication number
RO98258B1
RO98258B1 RO128122A RO12812287A RO98258B1 RO 98258 B1 RO98258 B1 RO 98258B1 RO 128122 A RO128122 A RO 128122A RO 12812287 A RO12812287 A RO 12812287A RO 98258 B1 RO98258 B1 RO 98258B1
Authority
RO
Romania
Prior art keywords
additive composition
well cement
cement pastes
antispumant
fluidizing
Prior art date
Application number
RO128122A
Other languages
Romanian (ro)
Inventor
Constanta Coman
Original Assignee
Institutul De Cercetari Si Proiectari Pentru Petrol Si Gaze
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
Application filed by Institutul De Cercetari Si Proiectari Pentru Petrol Si Gaze filed Critical Institutul De Cercetari Si Proiectari Pentru Petrol Si Gaze
Priority to RO128122A priority Critical patent/RO98258B1/en
Publication of RO98258B1 publication Critical patent/RO98258B1/en

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  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Prezenta inventie se refera la o compozitie aditiva pentru paste de cimentare a sondelor de titei si gaze, pe baza de solutie de Na2CO3, lignosulfonat de calciu sau amoniu, antispumant si formaldehida, utilizata ca întârzietor al prizei pastelor de cimentare, având si efecte secundare de fluidizant si de prevenire a spumarii acestora.BACKGROUND OF THE INVENTION The present invention relates to an additive composition for cementitious slurry of oil and gas wells, based on Na2CO3 solution, calcium or ammonium lignosulphonate, antispumant and formaldehyde, used as a cement paste delay, having side effects of fluidizing and foaming prevention.

RO128122A 1987-05-08 1987-05-08 Additive composition for well cement pastes RO98258B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO128122A RO98258B1 (en) 1987-05-08 1987-05-08 Additive composition for well cement pastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO128122A RO98258B1 (en) 1987-05-08 1987-05-08 Additive composition for well cement pastes

Publications (1)

Publication Number Publication Date
RO98258B1 true RO98258B1 (en) 1990-01-30

Family

ID=40906367

Family Applications (1)

Application Number Title Priority Date Filing Date
RO128122A RO98258B1 (en) 1987-05-08 1987-05-08 Additive composition for well cement pastes

Country Status (1)

Country Link
RO (1) RO98258B1 (en)

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