Low-density foamed Portland cements fill variety of needs

Journal Article · Mon Jul 26 04:00:00 EDT 1982 · Oil Gas J.; (United States)

OSTI ID:6282137

Montman, R; Harms, W M; Mody, B G; Sutton, D L

Several important conclusions can be stated as follows. Foam cement offers many attractive properties whenever there is a need for ultra-low density cements in the oil field. Among these properties are high strengths and reasonably low permeabilities. Foam cement can be accurately prepared, placed, and cured both in the laboratory and in the field. Certain guidelines must be followed to provide good results from foam cement jobs. These have been identified and are achievable. Foam cement has proven to be very effective in remedying pressure parting lost circulation. However, one must recognize that large volumes of foam slurry can easily be lost into a fractured formation because most foam slurries have low API fluid loss values and a very low solid volume/ slurry volume ratio-the exact properties desired for an effective fracturing fluid. Therefore, successful lost circulation control with foam cement depends mainly on its low density thixotropic properties. By contrast, light weight slurries that contain micro-spheres, gilsonite or walnut hulls owe much of their lost circulation control to their fracture plugging ability. For this reason, it is advantageous to incorporate solid lost circulation materials into foam cement slurries. Cellophane flakes have been routinely used.

• Research Organization: Halliburton Services, Rankin, TX
• OSTI ID: 6282137
• Journal Information: Oil Gas J.; (United States), Journal Name: Oil Gas J.; (United States) Vol. 80:30; ISSN OIGJA
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
BUILDING MATERIALS
CEMENTS
COLLOIDS
COMMINUTION
DENSITY
DISPERSIONS
FOAMS
FRACTURING
GEOLOGIC DEPOSITS
HYDROSTATICS
LOST CIRCULATION
MATERIALS
MINERAL RESOURCES
MIXTURES
OIL FIELDS
OIL WELLS
PERMEABILITY
PETROLEUM DEPOSITS
PHYSICAL PROPERTIES
PLUGGING AGENTS
PORTLAND CEMENT
RECOMMENDATIONS
RESOURCES
SLURRIES
SUSPENSIONS
THIXOTROPY
WELLS