ClassID:

153540

F16L2101/70 - CPC Classification

Classification description:

Uses or applications of pigs or moles Drill-well operations

Recent Application in this class:
#1
20220268391
2022-08-25

Pipeline sphere with tracking device

#2
20210310597
2021-10-07

Pipe robot

#3
20210010348
2021-01-14

Magnetorheological braking for well tubulars

#4
20210003242
2021-01-07

Free running pig for pipeline remediation

#5
20200256500
2020-08-13

Pipeline sphere with tracking device

#6
20190136671
2019-05-09

Depressurisation method and apparatus for subsea equipment

#7
20130233428
2013-09-12

Systems and methods for locating and restoring service lines in pipeline rehabilitation

#8
20120042903
2012-02-23

Pipeline pig with internal flow cavity

#9
20110301893
2011-12-08

Intelligent tool for detecting perforations and interpretation of data online

#10
20100133864
2010-06-03

GRIPPING MEANS FOR USE WITH A UNIT INSERTABLE IN A PIPELINE

#11
20100132737
2010-06-03

Pipeline pig with internal flow cavity

#12
20090272452
2009-11-05

Systems and methods for locating and restoring service lines in pipeline rehabilitation

#13
20090272451
2009-11-05

Smartplug with wheel centralizer

#14
20090218105
2009-09-03

Hydraulically driven tandem tractor assembly

#15
20070272405
2007-11-29

Ribbed sealing element and method of use

#16
20070227724
2007-10-04

Packer cable sealing system

#17
20070012485
2007-01-18

Device for a pulling tool for use in pipes and boreholes for the production of oil and gas

#18
20060016590
2006-01-26

Downhole component with a pressure equalization passageway

#19
20050252552
2005-11-17

Device insertable in a pipeline, with improved capacity for remaining in position

#20
20050241710
2005-11-03

Apparatus for pipeline isolation

#21
20050178561
2005-08-18

Ribbed sealing element and method of use