ClassID:

135584

E21B2043/0115 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210246733
2021-08-12

Concentric coiled tubing downline for hydrate remediation

#2
20200232305
2020-07-23

Pressurized test device and method for in-situ mining natural gas hydrates by jets

#3
20200072028
2020-03-05

Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates

#4
20200063542
2020-02-27

A METHOD OF WATER FLOW EROSION FOR MARINE GAS HYDRATE EXPLOITATION

#5
20200040710
2020-02-06

Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed

#6
20190226303
2019-07-25

Subsea methane production assembly

#7
20190211656
2019-07-11

Method and system for recovering gas in natural gas hydrate exploitation

#8
20190211654
2019-07-11

Moving-riser method and system for harvesting natural gas from seabed hydrates

#9
20180355674
2018-12-13

Subsea Hydrocarbon Extraction System

#10
20180305894
2018-10-25

Methane Clathrate Harvesting Systems and Methods

#11
20180298702
2018-10-18

Subsea methane hydrate production

#12
20180290124
2018-10-11

Method and system for extracting stranded gas from underwater environments, converting it to clathrates, and safely transporting it for consumption

#13
20180223834
2018-08-09

FLUID FILTER FOR MINING MACHINE

#14
20180135387
2018-05-17

Process for remediating hydrates from subsea flowlines

#15
20180128938
2018-05-10

PREDICTION OF METHANE HYDRATE PRODUCTION PARAMETERS

#16
20180127937
2018-05-10

Method for mechanically stabilizing deep sea sediments, marine raw material deposits and/or submarine slope and/or control/conditioning method of the hydraulic properties of deep sea sediments

#17
20170362909
2017-12-21

High-integrity pressure protection system Christmas tree

#18
20170254263
2017-09-07

Power generation and methane recovery from methane hydrates

#19
20170247978
2017-08-31

Breakable ball for wellbore operations

#20
20170146680
2017-05-25

Fluid characterization apparatus, systems, and methods

#21
20160369610
2016-12-22

Subsea technique for promoting fluid flow

#22
20160357888
2016-12-08

Simulation experiment system and simulation method of entire natural gas hydrate exploitation process

#23
20160305205
2016-10-20

Natural gas hydrate formation drilling simulation device

#24
20160168992
2016-06-16

Tailing deposit tool

#25
20160153269
2016-06-02

Production of methane from abundant hydrate deposits

#26
20160090828
2016-03-31

Systems and methods for releasing methane from clathrates

#27
20160032661
2016-02-04

Adjustable conduit

#28
20150260015
2015-09-17

Planning drilling operations using models and rig market databases

#29
20150240715
2015-08-27

Power generation and methane recovery from methane hydrates

#30
20150107826
2015-04-23

Method for recovering methane gas from natural gas hydrate by injecting CO2 and air mixed gas

#31
20150090455
2015-04-02

Natural gas hydrate reservoir heating

#32
20150068739
2015-03-12

Wellbore completion for methane hydrate production with real time feedback of borehole integrity using fiber optic cable

#33
20150047850
2015-02-19

System for gas hydrate production and method thereof

#34
20140348718
2014-11-27

Systems and methods for extracting and processing gases from submerged sources

#35
20140142853
2014-05-22

Methods and systems for determining minimum porosity for presence of clathrates in sediment

#36
20140129147
2014-05-08

Method of indicating the presence of gas hydrate and shallow gas in deepwater environment

#37
20140120025
2014-05-01

Gas hydrate conversion system for harvesting hydrocarbon hydrate deposits

#38
20140041872
2014-02-13

Enhancing production of clathrates by use of thermosyphons

#39
20140041871
2014-02-13

Initiating production of clathrates by use of thermosyphons

#40
20130341179
2013-12-26

Production of methane from abundant hydrate deposits

#41
20130218537
2013-08-22

Method of developing a reservoir from a technique of selecting the positions of wells to be drilled

#42
20130206414
2013-08-15

System and method for pre-conditioning a hydrate reservoir

#43
20120261191
2012-10-18

Determining methane content of a bottom sample

#44
20120234552
2012-09-20

Systems and methods for harvesting natural gas from underwater clathrate hydrate deposits

#45
20120222870
2012-09-06

Downhole fluid injection systems, COsequestration methods, and hydrocarbon material recovery methods

#46
20120145388
2012-06-14

In situ process to recover methane gas from hydrates

#47
20120103599
2012-05-03

Reservoir pressure testing to determine hydrate composition

#48
20120073823
2012-03-29

System for subsea extraction of gaseous materials from, and prevention, of hydrates

#49
20110210599
2011-09-01

Method of mining and processing seabed sediment

#50
20110158824
2011-06-30

Subsea technique for promoting fluid flow

#51
20110088898
2011-04-21

Producing gaseous hydrocarbons from hydrate capped reservoirs

#52
20090236144
2009-09-24

Managed pressure and/or temperature drilling system and method

#53
20080115971
2008-05-22

Remote gas monitoring apparatus for seabed drilling