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Keywords: cement slurry
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-77
... Abstract Gas leakage into and through the cemented annulus in oil and gas wells is a safety problem. The conditions for gas migration develop when the hydrostatic pressure of the hydrating cement slurry column slowly declines and finally falls below the pore pressure of a gas bearing formation...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-136
... Abstract Excessive cement filtrate loss is known to cause formation fluid influx and migration through the setting cement. The filter cake deposited by the drilling fluid controls or limits the cement slurry's filtrate loss. The effectiveness of a particular filter cake to limit cement...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–9, 1992
Paper Number: PETSOC-92-48
...TURBULENT INDUCED CEMENT SLURRIES THAT ARE EASILY CONTROLLED OVER A BROAD TEMPERATURE RANGE D. THATCHER this article begins on the next page F PETROLEUM SOCIETY OF CIM PAPER NO. CIM 92-48 THIS IS A PREPRINT - SUBJECT TO CORRECTION ATMB-02 Turbulent Induced Cement Slurries that are Easily Controlled...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-116
... Summary In various formulations, micro-silica cement slurries are finding increasing utility in oilfield cementing applications. In the course of these applications, many micro-silica slurries are being used in environments which subject the set cement to bottom hole static temperatures...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-112
... and replaced by the cement slurry, and, that the cement, once set, reaches and retains over extended periods of time certain mechanical properties such as bonding, compressive strength and permeability. Research work on cement placement started in the 1930's and as early as 1940 Jones and Berdine [1...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-113
... density foam cement. Slurries with densities as low as 4 lb/gal are formulated by incorporating an inert gaseous phase, typically nitrogen, which is homogeneously dispersed throughout the slurry. The computer simulator provides valuable assistance in planning and executing the squeeze job by allowing...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-117
... Abstract The particle size of Class G oilwell cement has been responsible for limiting its use in specific remedial cementing operations since the largest particles in a typical Class G cement are in the 100–150 micron range, cement slurries will not penetrate fractures narrower than about 0.4...
Proceedings Papers

Paper presented at the Annual Technical Meeting, January 1, 1989
Paper Number: PETSOC-89-40-42
... Abstract One major problem for Operators when cementing casing through gas zones has been the effect of gas channeling, or migration, in the cemented annulus. This problem has been found to be definitely more difficult to solve in shallow, low temperature wells, even though the cement slurries...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–15, 1988
Paper Number: PETSOC-88-39-104
... Abstract Historically the cement slurries used on primary cementing jobs performed across massive salt and evaporite sequences have always had some technical limitations. These limitations resulted in poor initial cement compressive strength, which lead to casing collapse due to well...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–9, 1987
Paper Number: PETSOC-87-38-89
... aresometimes created while drilling which make it difficult to calculate necessaryvolumes of cement- Conventional cementing practices, such as the use of waterextended low density cement slurries, were usually found to be inadequate tosolve the problems in these areas. Formations still broke down, resulting...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1984
Paper Number: PETSOC-84-35-106
... Abstract Subterranean hydrocarbon deposits often contain Low-molecular-weight gaseous hydrocarbons at various pressures, temperatures and depths. Failure to prevent the invasion of this gas into a cement slurry during completion can result in numerous problems. A few of the known...

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