Class 166/107 - Receptacles

Subclass of Class 166 - Wells
Definition: Devices comprising a container into which a well fluid is
No. of patents: 44
Last issue date: 06/05/2007

Number	Title	Issue Date
4493383	Well clean out tool The present invention relates to a well clean out tool comprising an elongated body having first and second ends and being adapted to be received within a well borehole. The elongated body is comprised of a plurality of subs including a first sub at a low...	01/15/1985
4469170	Liquid skimmer apparatus Apparatus for skimming an overlying non-conductive lighter liquid from an underlying conductive heavier liquid in a two-liquid body which are particularly applicable for recovering oil and/or gasoline from a well. A skimmer designed to float in the two-li...	09/04/1984
4190113	Well cleanout tool A well cleanout tool which requires no hydrostatic head, and which can be either wireline or tubing conveyed and actuated. The tool comprises an elongated main body having a pump means flow connected to a debris-retaining chamber contained therein. The pu...	02/26/1980
4187912	Method and apparatus for pumping fluids from bore holes Well pumping method and apparatus by means of which the liquid level and, correspondingly, the hydrostatic pressure, in a bore hole or well casing, is controlled by means of a vertically adjustable sump for receiving liquid from the bore hole or casing be...	02/12/1980

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