Class 175/236 - In sample receiver removable through below-ground tool shaft

Subclass of Class 175 - Boring or penetrating the earth
Definition: Apparatus in which the movable means is located in a means
No. of patents: 24
Last issue date: 01/01/2008

Number	Title	Issue Date
7314101	Inner core barrel head assembly for core tube within a drill string Inner core barrel head assembly (10) includes an upper latch body (24), a plurality of latching balls (26) which are retained in the latch body (24) and a locking sleeve (28) disposed within the latch body (24). The sleeve (...	01/01/2008
6820703	Locking device for a wire line core drilling system and a method for core drilling The present invention relates to a locking device (4) for a wire line core drilling system comprising an inner tube (2) by means of which core samples are collected, and an outer tube (1) connected to a drill bit, which locking device is applied...	11/23/2004
6644424	Core barrel The invention concerns a core barrel, in particular for oil exploration, comprising a string, an external tube (2) fixed at the front end of the string, a core bit mounted on a front section (3A) of the external tube, and an internal tube assembly (8) mou...	11/11/2003
6568487	Method for fast and extensive formation evaluation using minimum system volume A minimum volume apparatus and method is provided including a tool for obtaining at least one parameter of interest of a subterranean formation in-situ, the tool comprising a carrier member, a selectively extendable member mounted on the carrier for isola...	05/27/2003
6425449	Up-hole pump-in core barrel apparatus The drilling apparatus includes a wire line core barrel head assembly that has a latch body seatable on a drill string landing shoulder and retained in a latch seated position by a latch assembly spring urged to a latch seated position, fluid seals on the...	07/30/2002
6216804	Apparatus for recovering core samples under pressure A pressure and temperature core sampler comprises a tool for recovering cores specifically enabling the evaluation of methane hydrate resources. Because methane hydrate tends to decompose under conditions of pressure decrease and/or temperature increase a...	04/17/2001
6029758	Retractable core barrel valving apparatus The drilling apparatus includes a wire line core barrel having a head assembly and a drilling tool connected to the head assembly. The head assembly includes a latch body with a landing shoulder seatable on the drill string landing ring, latches seatable ...	02/29/2000
6019181	Core drilling latch assembly A core drilling latch assembly for use in terrestrial core drilling operations. The latch assembly incorporates features and elements which affect the flow of drilling fluids past the latch assembly and toward the drill bit, depending upon whether the lat...	02/01/2000
5934393	Core barrel apparatus The core barrel apparatus includes a wire line core barrel inner tube having a latch body main body portion and an inner portion threaded together to cooperatively provide a radial outer groove mounting a landing ring seatable on the drill string landing ...	08/10/1999
5799742	Core drilling latch assembly A core drilling latch assembly for use in terrestrial core drilling operations. The latch assembly incorporates features and elements which affect the flow of drilling fluids past the latch assembly and toward the drill bit, depending upon whether the lat...	09/01/1998
5450913	Continuous soil sampling system and method The invention provides an apparatus and method for taking samples of soil and other materials in an efficient manner as well as for maintaining a high level of integrity of the samples. Using a wire line and a release and retrieve assembly, the sampling t...	09/19/1995
5439065	Rotary sidewall sponge coring apparatus The invention is an apparatus for rotary drilling of core samples from the wall of a wellbore. The apparatus comprises a coring bit, a motor, a bit box rotatably mounted within a housing adapted to traverse the wellbore, a plunger for extracting the core ...	08/08/1995
5020612	Wire line core drilling apparatus A wire line core barrel inner tube assembly has a latch body with a miximum diameter portion providing a shoulder seatable on a drill string landing ring and a fluid bypass channel extending through the maximum diameter portion and a valving assembly. The...	06/04/1991
4825963	High-pressure waterjet/abrasive particle-jet coring method and apparatus A simple low-cost and highly passive bitless nonrotational nondeviating jam-proof thin-kerf Newtonian hydraulics retrievable core-sampling method and apparatus that advances its circular core kerf through the rock by a combination of high-pressure droplet...	05/02/1989
4800969	Fast descent core barrel apparatus A wire line core barrel inner tube assembly having a latch body that has a maximum diameter, axial intermediate portion providing a downwardly facing annular shoulder seatable on a drill stem landing ring and a fluid bypass channel extending through the m...	01/31/1989
4765414	Corebarrel A corebarrel for use downhole and having an outer tube and an inner tube which are relatively rotatable and interconnected through a bearing assembly, and a solid state survey device for use in oriented coring and disposed within the inner tube below the ...	08/23/1988
4646843	Retrieval device A retrieval device, suitable among other uses for lifting solid and liquid materials from underground locations, comprises a generally cylindrical section, a plurality of projecting members extending from said generally cylindrical section and hinged or o...	03/03/1987
4580643	Adjustable bearing section core barrel The longitudinal position of an inner barrel within a core barrel assembly can be adjusted and locked in the field without necessitating the disassembly of the cartridge cap assembly within the core barrel tool, and therefore without entailing loss of exp...	04/08/1986
4502553	Sponge coring apparatus with reinforced sponge A well coring apparatus (10) includes an outer barrel (12) and an inner barrel (18). A hollow sponge (50) is disposed along a liner (52) for insertion into the inner barrel (18). The sponge (50) is operable to absorb subterranean fluid from a well core (5...	03/05/1985
4466497	Wireline core barrel A wire line core barrel for retrieving a core sample within a drill string. The wire line core barrel includes a conventional inner tube and also includes a generally cylindrically shaped retrieving assembly disposed above a generally cylindrical elongate...	08/21/1984
4452321	Device in core barrels A device in core drilling for indicating when a core barrel placed in a rotatable hollow drill rod is no longer capable of receiving a further quantity of reamed-out core material includes a valve which at said condition of the barrel constricts the passa...	06/05/1984
4428602	Inner tube element for a double tube coring apparatus and process for the manufacture of this tube element An inner tube element for a coring apparatus comprising a double tube, made of synthetic resin reinforced with fibers and provided at its ends with connecting nipples, is entirely made of synthetic resin and overlaps, at each of its ends, a part of the ni...	01/31/1984
4317490	Apparatus and method for obtaining a core at in situ pressure A method and apparatus are disclosed for obtaining a core at in situ pressure of sedimentary deposits at the bottom of a well bore or body of water. The core barrel has a pressure chamber that is closed and opened by a ball valve actuated from the surface...	03/02/1982
3951219	Drill tool comprising a core barrel and a removable central portion Apparatus for interchanging the central portion of a drill tool with a core barrel is disclosed. The interchange is effectuated without the need for raising the drilling tool with the drive turbine. Both the core barrel and the central portion of drilling...	04/20/1976

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Class 175/236 - In sample receiver removable through below-ground tool shaft