Patents-Review.com
ClassID:

135587 ⎘

E21B43/0135 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations; Connecting a production flow line to an underwater well head using a pulling cable

Recent Application in this class:
#1
20250223890
2025-07-10

SUBSEA EXPANSION JOINT

 #2
20230081116
2023-03-16

Method and a system for transferring fluid

 #3
20220221083
2022-07-14

Direct tie-in of subsea conduits and structures

 #4
20210062937
2021-03-04

End Connection Assembly and Method for Producing the Same

 #5
20200032619
2020-01-30

Direct tie-in method

 #6
20190301252
2019-10-03

System and method for deploying subsea and downhole equipment

 #7
20180298702
2018-10-18

Subsea methane hydrate production

 #8
20180080590
2018-03-22

Flow line connector assembly

 #9
20170191334
2017-07-06

SYSTEMS AND METHODS FOR ENGAGING SUBSEA EQUIPMENT

 #10
20170122079
2017-05-04

Flexible line installation and removal

 #11
20170108143
2017-04-20

Deployment and direct tie-in of subsea pipelines

 #12
20140314493
2014-10-23

Method for installing a self-supporting tower for extracting hydrocarbons

 #13
20140037385
2014-02-06

Method for the assisted installation of an underwater riser

 #14
20130263426
2013-10-10

Method for installing a device for recovering hydrocarbons

 #15
20130071191
2013-03-21

Sub-sea apparatus and operating method

 #16
20120168172
2012-07-05

Riser connector

 #17
20110297389
2011-12-08

Subsea system

 #18
20110020067
2011-01-27

Method of installing an underwater riser

 #19
20100294505
2010-11-25

SYSTEM AND METHOD FOR FORMING CONNECTIONS WITH A COMPLIANT GUIDE

 #20
20100065277
2010-03-18

Stabplate connections

 #21
20090260830
2009-10-22

RIGLESS WELL COMPLETION METHOD

 #22
20080014026
2008-01-17

Method for installing and connecting a sub-sea riser