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Class Information
Number: 166/162
Name: Wells > Receptacles
Description: Devices comprising a container which is bodily movable for transporting material from the top of the well and discharging the material therefrom at a point in the well or which is bodily movable for receiving fluid material from the well and transporting it to the well top.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610957 |
Downhole debris catcher and associated mill |
Nov. 3, 2009 |
| 7556097 |
Docking receiver of a zone isolation assembly for a subsurface well |
Jul. 7, 2009 |
| 7306036 |
System for reducing adhesion and cohesion between non metallic bailers and side wall of wells |
Dec. 11, 2007 |
| 7303016 |
Casing with isolated annular space |
Dec. 4, 2007 |
| 7287591 |
Primary electro-mechanical initiating dump bailer device and method of use |
Oct. 30, 2007 |
| 7287589 |
Well treatment system and method |
Oct. 30, 2007 |
| 7258167 |
Method and apparatus for storing energy and multiplying force to pressurize a downhole fluid sample |
Aug. 21, 2007 |
| 7222668 |
Sample extraction system for boreholes |
May. 29, 2007 |
| 7213657 |
Apparatus and methods for installing instrumentation line in a wellbore |
May. 8, 2007 |
| 7007751 |
Apparatus for extracting oil or other fluids from a well |
Mar. 7, 2006 |
| 6962198 |
Groundwater well sample device |
Nov. 8, 2005 |
| 6935427 |
Plunger conveyed plunger retrieving tool and method of use |
Aug. 30, 2005 |
| 6845817 |
Kick over tool for side pocket mandrel |
Jan. 25, 2005 |
| 6695053 |
Bailer discharging device and method of using thereof |
Feb. 24, 2004 |
| 6601889 |
Air-tight bailer system |
Aug. 5, 2003 |
| 6499541 |
Method of installing components in a downhole apparatus, and apparatus obtained thereby |
Dec. 31, 2002 |
| 6464012 |
Oil lift system |
Oct. 15, 2002 |
| 6431272 |
Controlled slow descent bailer |
Aug. 13, 2002 |
| 6220356 |
Method and apparatus for well treating |
Apr. 24, 2001 |
| 6189392 |
Fluid sampling apparatus using floating piston |
Feb. 20, 2001 |
| 6189617 |
High volume sand trap and method |
Feb. 20, 2001 |
| 6182753 |
Well fluid sampling apparatus with isolation valve and check valve |
Feb. 6, 2001 |
| 6167962 |
Anti-wobbling bailer with high speed insertion |
Jan. 2, 2001 |
| 6158512 |
Method and apparatus for the removal of sand in an underwater well |
Dec. 12, 2000 |
| 6032929 |
Arrangement in connection with a yoke in a hoisting system for a derrick |
Mar. 7, 2000 |
| 5878813 |
Apparatus and method for capturing and retrieving liquid sample using a weighed sampling device |
Mar. 9, 1999 |
| 5752570 |
Method and device for production of hydrocarbons |
May. 19, 1998 |
| 5735356 |
Well boring method and apparatus |
Apr. 7, 1998 |
| 5582251 |
Downhole mixer |
Dec. 10, 1996 |
| 5549162 |
Electric wireline formation testing tool having temperature stabilized sample tank |
Aug. 27, 1996 |
| 5507348 |
Apparatus for locking wire line instrument to drill collar |
Apr. 16, 1996 |
| 5454275 |
Kabis discrete groundwater sampler |
Oct. 3, 1995 |
| 5398763 |
Wireline set baffle and method of setting thereof |
Mar. 21, 1995 |
| 5377748 |
Spill container for wells with improved mounting |
Jan. 3, 1995 |
| 5375659 |
Sonde supported operating system for control of formation production fluid flow |
Dec. 27, 1994 |
| 5327981 |
Ground water sampling device |
Jul. 12, 1994 |
| 5277252 |
Sampling tool for obtaining samples of fluids present in a well |
Jan. 11, 1994 |
| 5176208 |
Reverse circulation tool handling cuttings and debris |
Jan. 5, 1993 |
| 5042598 |
Drilling fluid additive sweep cartridge and method |
Aug. 27, 1991 |
| 4966233 |
Tracer deployment tools |
Oct. 30, 1990 |
| 4940088 |
Sonde for taking fluid samples, in particular from inside an oil well |
Jul. 10, 1990 |
| 4903765 |
Delayed opening fluid sampler |
Feb. 27, 1990 |
| 4846279 |
Method and means for introducing treatment fluid into a well bore |
Jul. 11, 1989 |
| 4809778 |
Oil well tool for in situ release of wellbore treatment fluid |
Mar. 7, 1989 |
| 4790386 |
Method and means for introducing treatment composition into a well bore |
Dec. 13, 1988 |
| 4727939 |
Tool for closing a production column in a well |
Mar. 1, 1988 |
| 4688635 |
Apparatus for setting a bottom tool |
Aug. 25, 1987 |
| 4640354 |
Method for actuating a tool in a well at a given depth and tool allowing the method to be implemented |
Feb. 3, 1987 |
| 4624317 |
Well tool with improved valve support structure |
Nov. 25, 1986 |
| 4611664 |
Technique for placing a liquid chemical in a well or bore hole |
Sep. 16, 1986 |
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