ClassID:

135661

E21B43/32 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells Preventing gas- or water-coning phenomena, i.e. the formation of a conical column of gas or water around wells

Recent Application in this class:
#1
20240084670
2024-03-14

A FLOW CONTROL DEVICE AND METHOD

#2
20230265333
2023-08-24

Low-density treatment fluid and methods for treating thief zones located above pay zones

#3
20230243238
2023-08-03

Fluid control system

#4
20230184051
2023-06-15

Selective zonal isolation

#5
20230126946
2023-04-27

Method for leveling the injectivity profile of an injection well

#6
20230033325
2023-02-02

Method for preventing stratal water from breaking through into bottom holes of wells

#7
20220316300
2022-10-06

Downhole Fluid Control System

#8
20210395599
2021-12-23

Acid-tolerant aluminum-based gel formulation for conformance control and preparations and uses thereof

#9
20210301650
2021-09-30

Method and system for monitoring and preventing hydrate formations

#10
20210238968
2021-08-05

Controlled ESP discharge system preventing gas lock

#11
20210189847
2021-06-24

Method and apparatus for inflow control with vortex generation

#12
20200408066
2020-12-31

FLOW CONTROL DEVICE AND METHOD

#13
20200399982
2020-12-24

Valve with integrated fluid reservoir

#14
20200362667
2020-11-19

Use of a ball check valve on an outlet of an autonomous inflow control device

#15
20200332632
2020-10-22

Method and device for producing fluids or gases from a horizontal well

#16
20200217983
2020-07-09

Water crest monitoring using electromagnetic transmissions

#17
20200217175
2020-07-09

Downhole fluid control system

#18
20200199984
2020-06-25

Multi-position inflow control device

#19
20190264535
2019-08-29

Apparatus and a method for controlling fluid flow in, into or out of a well, and an orientation means for orienting the apparatus

#20
20190169968
2019-06-06

Liquid retainer for a production system

#21
20190120994
2019-04-25

Water crest monitoring using electromagnetic transmissions

#22
20190100901
2019-04-04

Odor venting well pump system

#23
20190024478
2019-01-24

Downhole fluid control system

#24
20180334894
2018-11-22

GAS PUMPING UNIT FOR OIL WELLS

#25
20180306017
2018-10-25

Improving Hydrocarbon Production from a Well

#26
20180106137
2018-04-19

Water front sensing for electronic inflow control device

#27
20180087366
2018-03-29

Wellbore system

#28
20180010428
2018-01-11

Alternative helical flow control device for polymer injection in horizontal wells

#29
20180010427
2018-01-11

Inflow control device for polymer injection in horizontal wells

#30
20170306738
2017-10-26

Downhole flow control device

#31
20170234106
2017-08-17

Flow control device

#32
20160177666
2016-06-23

System and method for controlling flow in a well production system

#33
20160138374
2016-05-19

Fissured substrata water pumping apparatus and method

#34
20150226048
2015-08-13

Downhole injection assembly having an annular orifice

#35
20150198022
2015-07-16

Oil recovery with fishbone wells and steam

#36
20150167426
2015-06-18

Flow control device and flow control method

#37
20150040990
2015-02-12

Flow control device and method

#38
20140290776
2014-10-02

Rotational motion-inducing variable flow resistance systems having a sidewall fluid outlet and methods for use thereof in a subterranean formation

#39
20140216754
2014-08-07

Frac optimization using ICD technology

#40
20140216733
2014-08-07

Method and an arrangement for controlling fluid flow into a production pipe

#41
20140048282
2014-02-20

Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#42
20140041731
2014-02-13

Autonomous fluid control assembly having a movable, density-driven diverter for directing fluid flow in a fluid control system

#43
20140020902
2014-01-23

Restricting production of gas or gas condensate into a wellbore

#44
20140014327
2014-01-16

METHODOLOGY AND SYSTEM FOR PRODUCING FLUIDS FROM A CONDENSATE GAS RESERVOIR

#45
20140008079
2014-01-09

Valve arrangement for a production pipe

#46
20130284461
2013-10-31

Steam anti-coning/cresting technology ( SACT) remediation process

#47
20130255960
2013-10-03

Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#48
20130180094
2013-07-18

Method and apparatus for isolating tubing with a swellable seal

#49
20130173168
2013-07-04

Real-time dynamic data validation apparatus and computer readable media for intelligent fields

#50
20130173167
2013-07-04

Real-time dynamic data validation methods for intelligent fields

#51
20130075107
2013-03-28

Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#52
20130048081
2013-02-28

COMPOSITE INFLOW CONTROL DEVICE

#53
20130008513
2013-01-10

Flow control device and flow control method

#54
20120298370
2012-11-29

Flow restriction devices

#55
20120234557
2012-09-20

Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#56
20120211243
2012-08-23

Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#57
20120145399
2012-06-14

Restricting production of gas or gas condensate into a wellbore

#58
20120145398
2012-06-14

Controlling flow of steam into and/or out of a wellbore

#59
20120145397
2012-06-14

Geothermal energy production

#60
20110308806
2011-12-22

Apparatus for autonomous downhole fluid selection with pathway dependent resistance system

#61
20110186300
2011-08-04

METHOD AND APPARATUS FOR AUTONOMOUS DOWNHOLE FLUID SELECTION WITH PATHWAY DEPENDENT RESISTANCE SYSTEM

#62
20110098377
2011-04-28

Method of controlling water production through treating particles with RPMS

#63
20110088899
2011-04-21

Process for the production of mineral oil

#64
20110067878
2011-03-24

Flow controller device

#65
20110061877
2011-03-17

FLOW CONTROL USING A TORTUOUS PATH

#66
20110056700
2011-03-10

SYSTEM AND METHOD FOR RECOMPLETION OF OLD WELLS

#67
20110024115
2011-02-03

Method to control driving fluid breakthrough during production of hydrocarbons from a subterranean reservoir

#68
20110005752
2011-01-13

Water Sensitive Porous Medium to Control Downhole Water Production and Method Therefor

#69
20100282518
2010-11-11

Drainage method for multilayer reservoirs

#70
20100200233
2010-08-12

Fluid control apparatus and methods for production and injection wells

#71
20100132950
2010-06-03

Water transfer system

#72
20100038086
2010-02-18

Conformance Control Through Stimulus-Responsive Materials

#73
20090260813
2009-10-22

Method for terminating or reducing water flow in a subterranean formation

#74
20090260806
2009-10-22

Bottomhole tool and a method for enhanced oil production and stabilization of wells with high gas-to-oil ratio

#75
20090250222
2009-10-08

Reverse flow in-flow control device

#76
20090242204
2009-10-01

Method of controlling water condensation in a near wellbore region of a formation

#77
20090236102
2009-09-24

Water sensitive variable counterweight device driven by osmosis

#78
20090218103
2009-09-03

Method for flow control and autonomous valve or flow control device

#79
20090194289
2009-08-06

Water sensitive adaptive inflow control using cavitations to actuate a valve

#80
20090159293
2009-06-25

Method and apparatus for isolating tubing with a swellable seal

#81
20090159267
2009-06-25

Methods and materials for subterranean fluid forming barriers in materials surrounding wells

#82
20090133869
2009-05-28

Water sensitive adaptive inflow control using couette flow to actuate a valve

#83
20090120643
2009-05-14

Method of blocking water-out zone in a gas well by dumping cement and injecting pressurizing gas

#84
20090118144
2009-05-07

Methods for manipulation of air flow into aquifers

#85
20090118143
2009-05-07

Methods for manipulation of the flow of fluids in subterranean formations

#86
20090101355
2009-04-23

Water sensing adaptable in-flow control device and method of use

#87
20090101354
2009-04-23

Water Sensing Devices and Methods Utilizing Same to Control Flow of Subsurface Fluids

#88
20090101353
2009-04-23

Water absorbing or dissolving materials used as an in-flow control device and method of use

#89
20090101329
2009-04-23

Water Sensing Adaptable Inflow Control Device Using a Powered System

#90
20090095487
2009-04-16

Flow restriction device

#91
20090000787
2009-01-01

INFLOW CONTROL DEVICE

#92
20080262735
2008-10-23

System and method for water breakthrough detection and intervention in a production well

#93
20080196897
2008-08-21

Methods of completing wells for controlling water and particulate production

#94
20080149203
2008-06-26

Developing a flow control system for a well

#95
20080017374
2008-01-24

Methods and materials for subterranean fluid forming barriers in materials surrounding wells

#96
20070272408
2007-11-29

Flow control using a tortuous path

#97
20070256840
2007-11-08

Method for operating actuator and an actuator device for use in drainage pipe used for producing oil and/or gas

#98
20070068674
2007-03-29

Toe-to-heel waterflooding with progressive blockage of the toe region

#99
20070056750
2007-03-15

Deployable zonal isolation system

#100
20060076150
2006-04-13

Inflow control device with passive shut-off feature

#101
20050252651
2005-11-17

Wellbore device for selective transfer of fluid

#102
20050178544
2005-08-18

Method for terminating or reducing water flow in a subterranean formation

#103
20050109512
2005-05-26

Method to form a barrier in reservoir with a magnetorheological fluid

#104
20050034875
2005-02-17

Valves for use in wells

#105
19025721
2026-04-14

Laser milling and injection system for water coning remediation