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Class Information
Number: 175/46
Name: Boring or penetrating the earth > With signaling, indicating, testing or measuring > Signaling or indicating condition of cutting in cuttings retainer
Description: Process or apparatus comprising a cuttings retainer and a step or means for indicating a condition of cuttings within or entering said cuttings retainer.

Patents under this class:

Patent Number Title Of Patent Date Issued
8689903 Coring apparatus and methods Apr. 8, 2014
8602128 Analysis of drilling cuttings for permittivity Dec. 10, 2013
8596383 Method for detecting hydrocarbon zones in a geological formation Dec. 3, 2013
8215028 Slurrification process Jul. 10, 2012
7204323 Clean-Mole.TM. real-time control system and method for detection and removal of underground minerals, salts, inorganic and organic chemicals utilizing an underground boring machine Apr. 17, 2007
6986396 Method for determining sweep efficiency for removing cuttings from a borehole Jan. 17, 2006
6662884 Method for determining sweep efficiency for removing cuttings from a borehole Dec. 16, 2003
6457538 Advanced coring apparatus and method Oct. 1, 2002
6453727 Method of evaluating physical parameters of an underground reservoir from rock cuttings taken therefrom Sep. 24, 2002
6453738 Method and apparatus for analyzing casing wear and retrieval of metallic fragments Sep. 24, 2002
5785131 Pressurized formation sample collection Jul. 28, 1998
5571962 Method and apparatus for analyzing drill cuttings Nov. 5, 1996
5417295 Method and system for the early detection of the jamming of a core sampling device in an earth borehole, and for taking remedial action responsive thereto May. 23, 1995
5215596 Separation of oils from solids Jun. 1, 1993
5213625 Separation of oils from solids May. 25, 1993
5196401 Method of enhancing rock fragmentation and extending drill bit life Mar. 23, 1993
5156686 Separation of oils from solids Oct. 20, 1992
4959164 Rock fragmentation method Sep. 25, 1990
4809790 Device for sampling soils and retaining volatiles therein and method of using same Mar. 7, 1989
4735269 Core monitoring device with pressurized inner barrel Apr. 5, 1988
4676309 Linear plane perforator Jun. 30, 1987
4638872 Core monitoring device Jan. 27, 1987
4601354 Means and method for facilitating measurements while coring Jul. 22, 1986
4499955 Battery powered means and method for facilitating measurements while coring Feb. 19, 1985
4499956 Locking means for facilitating measurements while coring Feb. 19, 1985
4452321 Device in core barrels Jun. 5, 1984

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