Cement basket
United States Patent 3119451
US Patent References:
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- - 1820391

Cement basket
- - 2117538

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- - 2392145

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- - 2602514

Basket guide
- - 2652118


Inventors:
Hall, John A.
Publication Date:
01/28/1964
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Assignee:
Hall, John A.
Primary Class:
166/202
Other Classes:
166/241.700
International Classes:
E21B33/136; E21B33/13
US Patent References:
2738019Devices for centralizing casing in boreholes