Архангельское отделение Всесоюзного научно-исследовательского геологоразведочного нефтяного института
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Curing Cements, Concrete, And Artificial Stone
(AREA)
Soil Conditioners And Soil-Stabilizing Materials
(AREA)
Abstract
FIELD: construction and operation of wells; applicable in drilling, casing and repair of oil and gas wells. SUBSTANCE: heat-resistant spacer fluid with regulated density used for separation of drilling mud and grouting mortar contains, mas.%: tall pitch 15.0-20.0; monoethanolamine salt of fatty acids with 21-25 carbon atoms 3.0-5.0; filler 10.0-50.0; the balance, water. EFFECT: higher sedimentation stability and improved rheological properties of spacer fluid. 2 tbl
SU4815181/03A1990-03-201990-03-20Heat-resistant spacer fluid with regulated density
SU1834355A1
(en)
Method for conducting a drilling operation in an underground formation, fragile gel drilling fluid, and methods for reducing the loss of drilling fluid within an underground formation, to eliminate or avoid sag during drilling operations and to prepare a drilling fluid
Permeable cement compositions, and to form a permeable cement sand screen, and methods for forming a permeable cement sand screen, and to fracture underground formation