ClassID:

135637

E21B43/2403 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of nuclear energy

Recent Application in this class:
#1
20230279756
2023-09-07

Small modular nuclear reactor integrated energy systems for industrial applications, such as enhanced oil recovery operations

#2
20180340405
2018-11-29

PROCESSING HYDROCARBONS

#3
20170167238
2017-06-15

Processing hydrocarbons

#4
20150315888
2015-11-05

Processing hydrocarbons

#5
20150021094
2015-01-22

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

#6
20140305634
2014-10-16

Processing hydrocarbons

#7
20130312955
2013-11-28

Processing hydrocarbons

#8
20130199774
2013-08-08

Heavy oil production with EM preheat and gas injection

#9
20130153465
2013-06-20

Processing hydrocarbons

#10
20120039430
2012-02-16

NUCLEAR POWERED FACILITY THAT GENERATES CONSUMABLE FUELS

#11
20110265991
2011-11-03

Processing hydrocarbon materials

#12
20110061859
2011-03-17

Conductive heating by encapsulated strontium source (CHESS)

#13
20100105975
2010-04-29

Nuclear Assisted Hydrocarbon Production Method

#14
20100071904
2010-03-25

Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations

#15
20100071903
2010-03-25

Mines and tunnels for use in treating subsurface hydrocarbon containing formations

#16
20090314487
2009-12-24

Processing hydrocarbons

#17
20090308789
2009-12-17

Radiation processing of heavy oils

#18
20090272578
2009-11-05

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

#19
20090272536
2009-11-05

Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations

#20
20090272535
2009-11-05

Using tunnels for treating subsurface hydrocarbon containing formations

#21
20090272533
2009-11-05

Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations

#22
20090272526
2009-11-05

Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations

#23
20090260824
2009-10-22

HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS

#24
20090260823
2009-10-22

MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS