Patents-Review.com
ClassID:

135482 ⎘

E21B33/08 - CPC Classification

Classification description:

Sealing or packing boreholes or wells; Surface sealing or packing Wipers; Oil savers

Sub-classes:
Recent Application in this class:
#1
20260132695
2026-05-14

LEAK CONTAINMENT SYSTEM

 #2
20250389169
2025-12-25

SEAL ASSEMBLY LIFE EXTENSION METHODS

 #3
20250243725
2025-07-31

Wellhead Attachment Device

 #4
20250215757
2025-07-03

SLICKLINE LUBRICATION DEVICES, SYSTEMS, AND METHODS FOR USING THE SAME

 #5
20250172051
2025-05-29

SUCKER ROD STRIPPER

 #6
20250163769
2025-05-22

WIRELINE DYNAMIC SEALING PACKER

 #7
20250146378
2025-05-08

HIGH PRESSURE STRIPPING HEADS AND METHODS OF MAKING SAME

 #8
20250146377
2025-05-08

A WIPER TOOL

 #9
20240218815
2024-07-04

RATIOMETRIC SYSTEM FOR AUTONOMOUS LUBRICATION OF PRODUCTION EQUIPMENT

 #10
20240191590
2024-06-13

Apparatus, Systems and Methods to Energize Seals in a Rod Pump Stuffing Box

 #11
20240125196
2024-04-18

LEAK CONTAINMENT SYSTEM

 #12
20240003223
2024-01-04

Wiper Barrier Plug Assemblies

 #13
20230358118
2023-11-09

Wellbore protector ram

 #14
20230340853
2023-10-26

Oil well stuffing box

 #15
20230114060
2023-04-13

Stuffing box environmental seal

 #16
20230066565
2023-03-02

ACTUATED STUFFING BOX FOR AN ARTIFICIAL LIFT SYSTEM

 #17
20220389779
2022-12-08

Frac dart with a counting system

 #18
20220235800
2022-07-28

Rotating head with bypass circuit

 #19
20220220821
2022-07-14

Wiper plug

 #20
20220178220
2022-06-09

Wiper Barrier Plug Assemblies

 #21
20220145719
2022-05-12

Stuffing box environmental seal

 #22
20220106859
2022-04-07

Downhole wellbore treatment system and method

 #23
20220098953
2022-03-31

Spring-loaded self-adjusting stuffing box

 #24
20220090458
2022-03-24

Dissolvable pump down devices, dissolvable pump down assemblies, and methods to propel a bottomhole assembly through a lateral section of a wellbore

 #25
20220042412
2022-02-10

Tape winch, drilling progress measurement and hole depth measurement

 #26
20210301606
2021-09-30

Mud bucket with integral fluid storage

 #27
20210215039
2021-07-15

LOGGING DRONE WITH WIPER PLUG

 #28
20210148183
2021-05-20

Stripper element for wells and reinforcing insert therefor

 #29
20210017851
2021-01-21

Method and apparatus for measuring wear on sucker rod guides

 #30
20200300052
2020-09-24

Seal condition monitoring

 #31
20200300051
2020-09-24

Seal condition monitoring

 #32
20200248544
2020-08-06

DOWNHOLE OPERATIONS

 #33
20200063519
2020-02-27

STUFFING BOX APPARATUS AND RELATED METHODS

 #34
20200011327
2020-01-09

Wiper ring assembly with energizing member

 #35
20190309590
2019-10-10

Conveyance member for a resource exploration and recovery system

 #36
20190255578
2019-08-22

Method and system for stripping tubulars and the like comprising frustoconical air blade

 #37
20190234172
2019-08-01

Stuffing box containment apparatus

 #38
20190186228
2019-06-20

CASING WIPER PLUG SYSTEM AND METHOD FOR OPERATING THE SAME

 #39
20190032469
2019-01-31

System and method for monitoring the performances of a cable carrying a downhole assembly

 #40
20180363430
2018-12-20

Stuffing box leak containment apparatus

 #41
20180363403
2018-12-20

PUMP DRIVE HEAD WITH STUFFING BOX

 #42
20180334877
2018-11-22

Pressure containment device

 #43
20180306012
2018-10-25

Lube and bleed casing adaptor

 #44
20180209237
2018-07-26

Stuffing box containment apparatus

 #45
20180202255
2018-07-19

Self-aligning stuffing box

 #46
20180202254
2018-07-19

Modified stuffing box

 #47
20180066495
2018-03-08

Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells

 #48
20180045313
2018-02-15

Seal

 #49
20180030805
2018-02-01

SBOP swarf wiper

 #50
20180030799
2018-02-01

Drilling head with non-rotating annular seal assembly

 #51
20170356257
2017-12-14

APPARATUS AND METHOD FOR CONTAINING FLUID OR GAS RELEASED FROM A PIPE

 #52
20170335649
2017-11-23

Subsea slanted wellhead system and BOP system with dual injector head units

 #53
20170335638
2017-11-23

Stuffing box loosening device and method

 #54
20170241240
2017-08-24

Rainguard for oil well trapper box

 #55
20170089164
2017-03-30

Annular Drilling Device

 #56
20170074066
2017-03-16

Longitudinal positioning tool for a rod string

 #57
20170058629
2017-03-02

Well string stripper and stabilizer

 #58
20170058618
2017-03-02

Sleeve for fitting around a spooling drum

 #59
20160334018
2016-11-17

Modular sealing elements for a bearing assembly

 #60
20160319626
2016-11-03

PLUNGER PACKING NUT WITH INTEGRAL PACKING

 #61
20160298411
2016-10-13

Assembly and arrangement for a drilling column composed of smooth rods for a system to prevent ingress in the stage of drilling oil/gas wells

 #62
20160281478
2016-09-29

Stuffing box leak containment apparatus

 #63
20160208565
2016-07-21

Polished rod alignment system

 #64
20160201418
2016-07-14

Polish rod locking clamp

 #65
20160121375
2016-05-05

Pipe cleaning system and method

 #66
20160102764
2016-04-14

Seal

 #67
20160047191
2016-02-18

Pivot joint

 #68
20160024871
2016-01-28

Remote operation of a rotating control device bearing clamp and safety latch

 #69
20150233196
2015-08-20

Fluid displacement tool and method

 #70
20150226022
2015-08-13

Wear sensor for a pipe guide

 #71
20150211320
2015-07-30

Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells

 #72
20150184484
2015-07-02

Polish rod locking clamp

 #73
20150144400
2015-05-28

Pressure containment device

 #74
20150136384
2015-05-21

Wiper and seal assembly for a pump

 #75
20150107906
2015-04-23

EARTH DRILLING APPARATUS

 #76
20150068731
2015-03-12

Subterranean tool for release of darts adjacent their intended destinations

 #77
20150007978
2015-01-08

Stuffing box leak containment apparatus

 #78
20140345852
2014-11-27

Landing collar

 #79
20140262298
2014-09-18

Drilling tubing cleaning system and method

 #80
20140238530
2014-08-28

Apparatus and method for containing fluid or gas released from a pipe

 #81
20140175749
2014-06-26

Device for producing a bore in the ground, rotary drive device and rotary seal arrangement

 #82
20140166300
2014-06-19

Drive head for a wellhead

 #83
20140158380
2014-06-12

Pump deployment via cable

 #84
20130284445
2013-10-31

EMERGENCY ELASTOMER INJECTION SYSTEM FOR USE ON E-LINE AND BRAIDED CABLE

 #85
20130269927
2013-10-17

Polish rod seal

 #86
20130259647
2013-10-03

Wiper assembly for a pump

 #87
20130199800
2013-08-08

Wiper plug elements and methods of stimulating a wellbore environment

 #88
20130199773
2013-08-08

Stuffing box

 #89
20130189026
2013-07-25

Anti-rotation device for wellahead stuffing box

 #90
20130161019
2013-06-27

Grease delivery system

 #91
20130126244
2013-05-23

Ball and socket roller reamer and keyseat wiper

 #92
20130126157
2013-05-23

Self-Aligning and Leak Monitoring Stuffing Box

 #93
20130105142
2013-05-02

Stuffing box leak containment apparatus

 #94
20130105141
2013-05-02

Stuffing box for a fluid production well, and associated surface assembly

 #95
20130056274
2013-03-07

Underwater stuffing box and method for running a drill string through the stuffing box

 #96
20130039695
2013-02-14

ANTI-ROTATION DEVICE FOR WELLAHEAD STUFFING BOX

 #97
20120312525
2012-12-13

Stuffing box leak containment apparatus

 #98
20120312524
2012-12-13

Stuffing box leak containment apparatus

 #99
20120285696
2012-11-15

Cement wiper plug with size changing feature

 #100
20120234561
2012-09-20

Dual wiper plug system

 #101
20120217022
2012-08-30

Universal rotating flow head having a modular lubricated bearing pack

 #102
20120217002
2012-08-30

STUFFING BOX

 #103
20120125633
2012-05-24

Remote operation of a rotating control device bearing clamp and safety latch

 #104
20120125622
2012-05-24

Wellsite equipment replacement system and method for using same

 #105
20120097390
2012-04-26

System and method for remediating a wellbore annulus

 #106
20110308818
2011-12-22

Sealing arrangement, and corresponding method

 #107
20110284204
2011-11-24

WAFER STUFFING BOX

 #108
20110254227
2011-10-20

Seal

 #109
20110232896
2011-09-29

Stuffing box leak containment apparatus

 #110
20110139436
2011-06-16

TEMPERATURE CONDITIONED STUFFING BOX WITH FLUID CONTAINMENT

 #111
20110108278
2011-05-12

APPARATUS AND METHOD FOR STRIPPING SOLIDS AND FLUIDS FROM A STRING USED IN DRILLING OR SERVICING WELLS

 #112
20110094731
2011-04-28

Subsea grease system and method of operating said system

 #113
20110017444
2011-01-27

Dual stripper assembly for slick cable

 #114
20100270746
2010-10-28

Wellsite replacement system and method for using same

 #115
20100218937
2010-09-02

Seal for a drill string

 #116
20100200219
2010-08-12

Frame-less, Split Pipe Wiper

 #117
20100200216
2010-08-12

Collector device for drilling fluid

 #118
20100140876
2010-06-10

Sealing gland and methods of use

 #119
20100059228
2010-03-11

Casing wiping dart with filtering layer

 #120
20090321066
2009-12-31

Packer insert for sealing on multiple items used in a wellbore

 #121
20090302243
2009-12-10

Wiper seal assembly

 #122
20090211750
2009-08-27

Stuffing box apparatus

 #123
20090166046
2009-07-02

System and method for dynamic sealing of a drill string

 #124
20090057029
2009-03-05

Stripper rubber retracting connection system

 #125
20090014182
2009-01-15

Drill pipe wiper system and associated method

 #126
20080230216
2008-09-25

Wireline entry sub

 #127
20080164031
2008-07-10

Wiper darts for subterranean operations

 #128
20080106045
2008-05-08

DECOUPLED SHAFT SEAL FOR A PROGRESSIVE CAVITY PUMP STUFFING BOX

 #129
20070284115
2007-12-13

Rod pump stuffing box

 #130
20070277970
2007-12-06

Apparatus for wiping the interior of pipes

 #131
20070175627
2007-08-02

Stuffing box assembly and sealing assembly for use therein

 #132
20070144786
2007-06-28

Stripper rubber adapter

 #133
20060283601
2006-12-21

Packer insert for sealing on multiple items used in a wellbore

 #134
20060272804
2006-12-07

Self-aligning stuffing box

 #135
20060016326
2006-01-26

Hydraulic circuit and method for operating a sealing device

 #136
20050173127
2005-08-11

Stripper rubber adapter

 #137
20050103505
2005-05-19

Well stuffing box packing

 #138
20050045323
2005-03-03

Polish rod locking clamp

 #139
20050011642
2005-01-20

Stuffing box for progressing cavity pump drive

 #140
20050000695
2005-01-06

Filling and circulating apparatus for subsurface exploration

 #141
18732229
2025-05-27

Fluid containment system and method

 #142
18174861
2024-06-04

Fluid containment system and method

 #143
18056879
2024-06-25

Stripper head system and method of use

 #144
17977429
2025-11-11

Tall flange rubber adapter

 #145
17698356
2024-05-07

Pipe wiper box

 #146
17521373
2023-02-28

Fluid containment system and method

 #147
17143049
2022-12-20

Stripper head system and method of use

 #148
17068617
2022-11-01

Tall flange rubber adapter

 #149
17020081
2022-03-22

Pipe wiper box

 #150
16551419
2021-11-09

Fluid containment system and method

 #151
16289879
2020-11-24

Subsurface wellbore wiper deployment system and method of use

 #152
16056145
2020-10-13

Tall flange rubber adapter

 #153
16055655
2019-04-16

Casing wiper plug system and method for operating the same

 #154
16038013
2020-09-15

Pipe wiper box

 #155
15673395
2019-08-27

Fluid containment system and method

 #156
15093357
2019-05-21

Rotating and reciprocating swivel apparatus and method

 #157
14841248
2016-07-05

Casing stripper attachment

 #158
14536067
2018-07-17

Pipe wiper box

 #159
14517546
2017-03-28

Apparatus for automatically lubricating an oil well sucker rod stuffing box

 #160
14453506
2015-09-01

Casing stripper attachment

 #161
13888348
2016-09-27

Rapid install environmental tray

 #162
13431436
2015-08-25

Loading system