US PATENT SUBCLASS 166 / 177.4
CEMENTING DEVICE

Current as of: June, 1999
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166 /   HD   WELLS

177.4CEMENTING DEVICE

DEFINITION

Classification: 166/177.4

Cementing device:

(under the class definition) Apparatus comprising specific structure for agitating, vibrating or mixing a slurry used to fix or adhere a pipe to a formation or to another pipe in a well.