Class 166/242.9 - Brick or cement casing liner

Subclass of Class 166 - Wells
Definition: Conduit wall structure wherein the conduit wall is formed
No. of patents: 4
Last issue date: 09/30/2008

Number	Title	Issue Date
7428933	Latchable hanger assembly and method for liner drilling and completion Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed configuration. Additionally,...	09/30/2008
6267181	Method and apparatus for cementing a well In one embodiment, the invention relates to a method or process, useful in cementing a well, especially a hydrocarbon well, which is characterized by the use of increased external and internal diameter liners, the method being characterized by provision a...	07/31/2001
5099917	Water well construction A shallow well installation that can be quickly, easily and economically installed and sealed against surface contamination is provided by a continuous plastic pipe well casing extending from ground level to the foot of the well surrounded by a filtration...	03/31/1992
4607693	Side-entry sub A side entry sub is disclosed having a stripping passage between the lower end of the sub and a recess in the sub body. A stripping element is disposed in the stripping passage to sealingly strip a logging cable as it moves into or out of the pipe string ...	08/26/1986

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