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Unique materials mix used to seal large diameter casing in borehole
New cementing process was successful in cementing large-diameter casing in salt stock at Tatum salt dome near Hattiesburg, Miss; process involved use of two new cementing materials and was applied in primary cementing of 20-in. casing in 28-in. hole; key ingredients in solution included expanding cementand chemical grout; both were topped with inexpensive filler; for satisfactory seal, temperature and pressure differentials were minimized by circulating 4.5 lb/gal cooled fluid during cure; some grouting and cementing procedures could be modified to seal mine shaft lining.
Unique materials mix used to seal large diameter casing in borehole
New cementing process was successful in cementing large-diameter casing in salt stock at Tatum salt dome near Hattiesburg, Miss; process involved use of two new cementing materials and was applied in primary cementing of 20-in. casing in 28-in. hole; key ingredients in solution included expanding cementand chemical grout; both were topped with inexpensive filler; for satisfactory seal, temperature and pressure differentials were minimized by circulating 4.5 lb/gal cooled fluid during cure; some grouting and cementing procedures could be modified to seal mine shaft lining.
Unique materials mix used to seal large diameter casing in borehole
Eng Min J
Dellinger, T.B. (author) / Boughton, L.D. (author)
1965
5 pages
Article (Journal)
English
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