ClassID:

135562

E21B41/0014 - CPC Classification

Classification description:

Equipment or details not covered by groups  -  for underwater installations Underwater well locating or reentry systems

Recent Application in this class:
#1
20240060395
2024-02-22

RETRIEVABLE GUIDE FUNNEL AND CONNECTION SYSTEM UTILIZING THE SAME

#2
20240003212
2024-01-04

Wellhead system

#3
20180320469
2018-11-08

Tubing hanger orientation system and techniques

#4
20180128085
2018-05-10

Landing string measurement system and method including a power assembly providing power to a data-storage

#5
20170175491
2017-06-22

Segmented guide funnel

#6
20170152723
2017-06-01

Landing string

#7
20160273317
2016-09-22

Landing string compensator

#8
20150315867
2015-11-05

Riser disconnect package for lower marine riser package, and annular-release flex-joint assemblies

#9
20140338917
2014-11-20

Landing string compensator

#10
20140144646
2014-05-29

Well safety equipment

#11
20130075104
2013-03-28

Guide funnel

#12
20130048294
2013-02-28

Completing underwater wells

#13
20130037272
2013-02-14

METHOD AND SYSTEM FOR WELL ACCESS TO SUBTERRANEAN FORMATIONS

#14
20130020086
2013-01-24

SYSTEMS AND METHODS FOR CAPPING A SUBSEA WELL

#15
20120141212
2012-06-07

Subsea hanging device

#16
20110056697
2011-03-10

Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions

#17
20100200241
2010-08-12

Funnel system and method

#18
20090255683
2009-10-15

Landing string compensator

#19
20090223715
2009-09-10

CONDUCTOR PIPE STRING DEFLECTOR AND METHOD

#20
20090191001
2009-07-30

Connecting compliant tubular members at subsea locations

#21
20080289817
2008-11-27

Method and apparatus for re-entering an abandoned well

#22
20060243485
2006-11-02

Conductor pipe string deflector and method

#23
20050121230
2005-06-09

Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof