Patents-Review.com
ClassID:

135429 ⎘

E21B27/04 - CPC Classification

Classification description:

Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits where the collecting or depositing means include helical conveying means

Recent Application in this class:
#1
20260028898
2026-01-29

Systems and Methods for Separating and Storing Downhole Debris

 #2
20250376904
2025-12-11

COLLECTION UNIT FOR CUTTINGS

 #3
20250263995
2025-08-21

IMPROVED DEBRIS COLLECTION AND REMOVAL FROM A WELLBORE

 #4
20230399922
2023-12-14

Junk crushing device, assembly, and method thereof

 #5
20220372827
2022-11-24

WELL TOOL

 #6
20220268134
2022-08-25

Automated Waste Disposal System for Waste Tank at Wellsite

 #7
20220220827
2022-07-14

Wireline clean-out tool having improved capacity

 #8
20220025726
2022-01-27

Well tool

 #9
20210180454
2021-06-17

FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO

 #10
20200300049
2020-09-24

Wellbore cleanout tool

 #11
20200248519
2020-08-06

Collecting device and method for loosen and collect debris in a well

 #12
20190316443
2019-10-17

System and method for cleaning a production tubing

 #13
20190309602
2019-10-10

Rotational pump and method

 #14
20190203568
2019-07-04

System and method for cleaning a receptacle

 #15
20190128082
2019-05-02

Collecting device and method for loosen and collect debris in a well

 #16
20190055802
2019-02-21

Downhole debris-collecting tool having an improved valve

 #17
20180327886
2018-11-15

Mixer for producing and solidifying an alloy in a subterranean reservoir

 #18
20180224050
2018-08-09

Deposition device for well construction

 #19
20180178960
2018-06-28

Water-degradable carrier for caustic substances and related manufacturing method

 #20
20180073317
2018-03-15

Collecting Device And Method For Loosen And Collect Debris And A Well

 #21
20180016860
2018-01-18

Well tool

 #22
20170335651
2017-11-23

Plugging device deployment in subterranean wells

 #23
20170275959
2017-09-28

Drilling debris separator

 #24
20170009545
2017-01-12

Collecting device for particulate material in a well and a method for collecting the particulate material and transporting it out of the well

 #25
20160348467
2016-12-01

Plugging device deployment in subterranean wells

 #26
20160326821
2016-11-10

Reciprocating wellbore obstruction-clearing tool and bailer

 #27
20150240583
2015-08-27

Powered wellbore bailer

 #28
20150211316
2015-07-30

Petroleum well drill—or coiled tubing string mounted fishing tool

 #29
20150075796
2015-03-19

Wellsite handling system for packaged wellsite materials and method of using same

 #30
20150000896
2015-01-01

Debris chamber with helical flow path for enhanced subterranean debris removal

 #31
20140326510
2014-11-06

Wireline drilling system

 #32
20140262522
2014-09-18

Axially separating drill bucket

 #33
20140151126
2014-06-05

Drilling device and method for producing a borehole

 #34
20140014320
2014-01-16

Debris chamber with helical flow path for enhanced subterranean debris removal

 #35
20130299166
2013-11-14

Solids waste, solidification material mixing and conveyance unit

 #36
20120160503
2012-06-28

Surface signal for flow blockage for a subterranean debris collection apparatus

 #37
20120061073
2012-03-15

Debris chamber with helical flow path for enhanced subterranean debris removal

 #38
20080277166
2008-11-13

Downhole drilling of a lateral hole

 #39
20080023033
2008-01-31

Device for collecting debris from a well

 #40
18994919
2025-08-19

Debris collection and removal from a wellbore

 #41
18786295
2026-01-20

Systems and methods for separating and storing downhole debris

 #42
14534929
2015-12-29

LCM recovery tank