ClassID:

135468

E21B33/0407 - CPC Classification

Classification description:

Sealing or packing boreholes or wells; Surface sealing or packing; Well heads; Setting-up thereof; Casing heads; Suspending casings or tubings in well heads with a suspended electrical cable

Recent Application in this class:
#1
20260110231
2026-04-23

INTEGRAL PENETRATOR TUBING HANGER

#2
20250347189
2025-11-13

PENETRATOR SYSTEM FOR ELECTRICAL SUBMERSIBLE PUMPS

#3
20250154846
2025-05-15

Tubing Hanger Alignment Device and Space-out Mechanism

#4
20250154845
2025-05-15

Space-Out Mechanism for a Tubing Hanger and a Tree

#5
20250154844
2025-05-15

Tubing Hanger Alignment Device With Flanged End

#6
20240410246
2024-12-12

WELLHEAD ELECTRICAL FEED-THRU PENETRATOR SEALING, BREAKAWAY APPARATUS AND METHOD OF INSTALLATION

#7
20240254851
2024-08-01

Containment Systems for Sealing a Pass-Through in a Well, and Methods Therefore.

#8
20240209713
2024-06-27

Split hanger tubing hanger

#9
20240209712
2024-06-27

PENETRATOR SYSTEM FOR ELECTRICAL SUBMERSIBLE PUMPS

#10
20240209711
2024-06-27

Subsea equipment alignment device

#11
20240209710
2024-06-27

Tubing hanger alignment device

#12
20230265731
2023-08-24

Wellhead electrical feed-thru penetrator sealing, breakaway apparatus and method of installation

#13
20230265722
2023-08-24

Wellhead electrical feed-thru penetrator with sealing, breakaway apparatus and method of installation

#14
20230265721
2023-08-24

WELLHEAD ELECTRICAL FEED-THRU PENETRATOR WITH SEALING, BREAKAWAY APPARATUS AND METHOD OF INSTALLATION

#15
20230203910
2023-06-29

METHOD AND SYSTEM FOR DEPLOYING AN ELECTRIC SUBMERSIBLE PUMP IN A LIVE WELL

#16
20230127716
2023-04-27

Tubing hanger running tool assembly

#17
20230069854
2023-03-09

Seal that embraces the electrical conductors that cross through the wellhead and device comprising the same

#18
20220364428
2022-11-17

Tubing hanger alignment device with plug-based alignment mechanism

#19
20220364427
2022-11-17

Tubing hanger alignment device with torsional spring alignment mechanism

#20
20220364426
2022-11-17

Tubing hanger alignment device with helical slot alignment mechanism

#21
20220090461
2022-03-24

Subsea equipment alignment device

#22
20210372234
2021-12-02

EXPLOSIVE ENVIRONMENT TERMINATION OF WELLHEAD CABLES

#23
20210293097
2021-09-23

Assembly for supporting cables in deployed tubing

#24
20210230959
2021-07-29

Disconnectable pressure-preserving electrical connector and method of installation

#25
20210198970
2021-07-01

TUBING HANGER ALIGNMENT DEVICE

#26
20210123315
2021-04-29

Casing hanger actuated load shoulder

#27
20210087899
2021-03-25

Subsea equipment alignment device

#28
20210079751
2021-03-18

Tool catcher system

#29
20210025258
2021-01-28

Tubing hanger alignment device

#30
20200399973
2020-12-24

Tubing hanger alignment device

#31
20200284118
2020-09-10

Tubing hanger system

#32
20200277834
2020-09-03

Tubing hanger assembly with a tubing head adapter receivable onto a tubing head in any rotational orientation

#33
20200115984
2020-04-16

Tubing hanger assembly with wellbore access, and method of accessing a wellbore

#34
20200102796
2020-04-02

Submersible pump cable connector assembly

#35
20190390528
2019-12-26

Containment systems for sealing a pass-through in a well, and methods therefore

#36
20190360293
2019-11-28

Coiled tubing connector to electrical submersible pump

#37
20190264519
2019-08-29

Cable pack-off apparatus for well having electrical submersible pump

#38
20190242200
2019-08-08

Cable-based heater and method of assembly

#39
20190218878
2019-07-18

Disconnectable pressure-preserving electrical connector and method of installation

#40
20190203554
2019-07-04

Tubing hanger assembly with wellbore access, and method of supplying power to a wellbore

#41
20190120008
2019-04-25

Tubing hanger alignment device

#42
20180347305
2018-12-06

Containment systems for sealing a pass-through in a well, and methods therefore

#43
20180347303
2018-12-06

Side door hanger system for sealing a pass-through in a wellhead, and method therefore

#44
20180320506
2018-11-08

Communication through a hanger and wellhead

#45
20180320471
2018-11-08

Hanger assembly with penetrators

#46
20180320454
2018-11-08

Method and apparatus for deploying wellbore pump on coiled tubing

#47
20180223619
2018-08-09

Subsea system and methodology utilizing production receptacle structure

#48
20180216434
2018-08-02

TELEMETRY CABLE BYPASS

#49
20180187493
2018-07-05

Subsurface hanger for umbilical deployed electrical submersible pump

#50
20180163500
2018-06-14

Systems and methods for assembling a wellhead

#51
20180148989
2018-05-31

Tubing hanger assembly with wellbore access, and method of accessing a wellbore

#52
20160237803
2016-08-18

System and methodology for monitoring in a borehole

#53
20160108693
2016-04-21

Disconnectable pressure-preserving electrical connector and method of installation

#54
20150376971
2015-12-31

Independent guide string hanger

#55
20150354308
2015-12-10

Downhole Equipment Suspension and Lateral Power System

#56
20150330157
2015-11-19

Telescoping joint with control line management assembly

#57
20150267487
2015-09-24

Method for assembly of well heaters

#58
20150267486
2015-09-24

Facility for assembly of well heaters

#59
20150267485
2015-09-24

Injection of heating cables with a coiled tubing injector

#60
20150267483
2015-09-24

Cable support system and method

#61
20150233211
2015-08-20

Cable-based well heater

#62
20150233204
2015-08-20

TUBING HANGER

#63
20150198171
2015-07-16

Cap for submersible pump

#64
20150159458
2015-06-11

Orientation adapter for use with a tubing hanger

#65
20150068769
2015-03-12

Hanger and penetrator for through tubing ESP deployment with a vertical production tree

#66
20140158366
2014-06-12

Subsea completion with a tubing spool connection system

#67
20140110164
2014-04-24

System for continuous electrical well cable feed-through for a wellhead and method of installation

#68
20140099084
2014-04-10

Downhole wellbore heating system and method

#69
20140060855
2014-03-06

Angled-penetrator device and system

#70
20140048277
2014-02-20

Subsea production system with downhole equipment suspension system

#71
20140020888
2014-01-23

Independent guide string hanger

#72
20130292139
2013-11-07

Cable bypass and method for controlled entry of a tubing string and a cable adjacent thereto

#73
20130284456
2013-10-31

Wellhead control line deployment

#74
20130277067
2013-10-24

Coiled tubing triple-sealed penetrator and method

#75
20120048534
2012-03-01

Independent guide string hanger

#76
20110278021
2011-11-17

Wellhead control line deployment

#77
20110174501
2011-07-21

Cable bypass and method for controlled entry of a tubing string and a cable adjacent thereto

#78
20110120696
2011-05-26

Load bearing assembly

#79
20100294481
2010-11-25

Angled-penetrator device and system

#80
20100270032
2010-10-28

System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing

#81
20100132953
2010-06-03

Barrier for instrumentation piping

#82
20080302524
2008-12-11

Apparatus for wellbore communication

#83
20080210441
2008-09-04

Method and apparatus for connecting, installing, and retrieving a coiled tubing-conveyed electrical submersible pump

#84
20080029269
2008-02-07

Method and system for installing equipment for production and injection operations

#85
20070256829
2007-11-08

Apparatus for wellbore communication

#86
20070102162
2007-05-10

Apparatus for retaining two strings of tubulars

#87
20050056419
2005-03-17

Apparatus for wellbore communication