Patents-Review.com
ClassID:

135416 ⎘

E21B25/005 - CPC Classification

Classification description:

Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors Above ground means for handling the core, e.g. for extracting the core from the core barrel

Recent Application in this class:
#1
20260110219
2026-04-23

Method and device for making a hole in a golf green

 #2
20260071510
2026-03-12

PRESSURIZED RESERVOIR CORE SAMPLE TRANSFER TOOL SYSTEM

 #3
20260071509
2026-03-12

CORE SAMPLE HANDLING DEVICE

 #4
20260071497
2026-03-12

HIGHLY MOBILE, COST-EFFICIENT, INTEGRATED, LOW ENVIRONMENTAL DISTURBANCE EQUIPMENT SYSTEM AND METHOD FOR SURFACE MINERAL EXPLORATION DIAMOND CORE DRILLING

 #5
20260002442
2026-01-01

DEVICE FOR CHARACTERIZING AND TESTING ON-SITE BASIC PARAMETER OF NATURAL GAS HYDRATE

 #6
20250250874
2025-08-07

DEVICES FOR MARKING A CORE SAMPLE

 #7
20250215758
2025-07-03

HIGHLY MOBILE, COST-EFFICIENT, INTEGRATED, LOW ENVIRONMENTAL DISTURBANCE EQUIPMENT SYSTEM AND METHOD FOR SURFACE MINERAL EXPLORATION DIAMOND CORE DRILLING

 #8
20250042598
2025-02-06

CORE TRAY

 #9
20240102349
2024-03-28

SOIL CORE COLLECTING TOOL AND METHOD

 #10
20240035936
2024-02-01

Geological Sample Holder

 #11
20240026746
2024-01-25

A CORE SAMPLE HANDLING DEVICE

 #12
20230392465
2023-12-07

Inner tubing handling device for receiving tubing from drilling rig

 #13
20230374900
2023-11-23

Characterization and Geomodeling of Three-Dimensional Vugular Pore System in Carbonate Reservoir

 #14
20230358694
2023-11-09

METHODS AND COMPOSITIONS FOR LOW SALINITY ENHANCED OIL RECOVERY

 #15
20230340850
2023-10-26

PRESSURIZED RESERVOIR CORE SAMPLE TRANSFER TOOL SYSTEM

 #16
20230287750
2023-09-14

METHOD AND SYSTEM FOR MEASURING VOLUME OF A DRILL CORE SAMPLE

 #17
20230258546
2023-08-17

Multi-heat energy source core sample holder assembly

 #18
20230167737
2023-06-01

Method and system for enabling at surface core orientation data transfer

 #19
20220268118
2022-08-25

ERGONOMIC CORE DRILLING SYSTEM SHOE INTERFACE

 #20
20220136948
2022-05-05

Natural gas diffusion coefficient measurement auxiliary device of hand-operated lifting device

 #21
20220136352
2022-05-05

Device and method for transferring and storing a deep in-situ core in a sealed and pressure-maintaining manner

 #22
20220003062
2022-01-06

Underwater drilling device and method for procuring drill cores of a bed of a body of water

 #23
20210032947
2021-02-04

Pressurized reservoir core sample transfer tool system

 #24
20200392835
2020-12-17

Method and system for enabling at surface core orientation data transfer

 #25
20200385241
2020-12-10

SYSTEM AND METHOD FOR A SELF-CONTAINED LIFTING DEVICE

 #26
20200378872
2020-12-03

Tool for extracting soil plugs for analytical testing

 #27
20200283196
2020-09-10

Interchangeable dismountable hinged box for storing core samples

 #28
20200271563
2020-08-27

Device and process for maintaining zero capillary pressure boundary condition during core flood experiments

 #29
20200165884
2020-05-28

Core tube handling device

 #30
20200157892
2020-05-21

Core tube displacer for long reach drilling machines

 #31
20190339171
2019-11-07

Method for extracting a core from a percussion side wall core bullet for a digital tomographic description and direct numerical simulations

 #32
20190264521
2019-08-29

Inner barrel shear zone for a coring tool

 #33
20190169949
2019-06-06

MODULAR STORAGE BOX SYSTEM FOR STORING CORE SAMPLES

 #34
20190107520
2019-04-11

System and method for analyzing drill core samples

 #35
20190040735
2019-02-07

METHOD AND SYSTEM FOR ENABLING AT SURFACE CORE ORIENTATION DATA TRANSFER

 #36
20190040701
2019-02-07

Inner barrel crimping connection for a coring tool

 #37
20180298709
2018-10-18

Methods and apparatus for collecting and preserving core samples from a reservoir

 #38
20180058163
2018-03-01

Methods and apparatus for collecting and preserving core samples from a reservoir

 #39
20180057205
2018-03-01

Box for packaging core samples

 #40
20180045008
2018-02-15

Methods and apparatus for collecting and preserving core samples from a reservoir

 #41
20180039900
2018-02-08

Estimation of optimum tripping schedules

 #42
20170364226
2017-12-21

Application for Core Drilling

 #43
20170356262
2017-12-14

Power-assisted ground hole cutter

 #44
20170259633
2017-09-14

All-terrain vehicle

 #45
20170122050
2017-05-04

Core Release System and Method

 #46
20170089158
2017-03-30

Methods and apparatus for collecting and preserving core samples from a reservoir

 #47
20170008738
2017-01-12

System and method for a self-contained lifting device

 #48
20160312558
2016-10-27

Safety mechanism for installation in soil-sampling tooling, with a system for blocking the escape of gas/oil in the stage of recovering the internal tube containing the specimen

 #49
20160059987
2016-03-03

Core tray

 #50
20150376965
2015-12-31

CORE BARREL SUPPORT SYSTEM AND METHODS OF USING SAME

 #51
20150337611
2015-11-26

Method, handling unit and stand for acquiring a sample from a seabed top layer

 #52
20150300116
2015-10-22

Drill sample particle distributor

 #53
20150159439
2015-06-11

BIT FOR DRILLING WELLS AND ASSOCIATED DRILLING METHOD

 #54
20150136487
2015-05-21

Coring system including tensiometer and method of deciding accurate coring using the same

 #55
20140334891
2014-11-13

Automated core drilling device capable of mating with a center-mounted core-catching device

 #56
20140262532
2014-09-18

Core sampling apparatus and container transfer apparatus

 #57
20140190746
2014-07-10

Unmanned Unattended Mineral Exploration Drilling and Sample Return System

 #58
20140117607
2014-05-01

Core barrel holder and methods of using same

 #59
20140033836
2014-02-06

Cutting apparatus

 #60
20130276554
2013-10-24

Multi-fluid injector core holder

 #61
20110297444
2011-12-08

Core barrel restraint

 #62
20100324868
2010-12-23

Core sample preparation, analysis, and virtual presentation

 #63
20100133013
2010-06-03

Bit for drilling wells and associated drilling method

 #64
20100018886
2010-01-28

DRILL CORE TRAYS AND ACCESSORIES FOR USE THEREWITH

 #65
20090071721
2009-03-19

Drill core extractor

 #66
20090000822
2009-01-01

Rock core removal method and apparatus

 #67
20080216559
2008-09-11

Portable core flood apparatus for conducting on-site permeability measurements

 #68
20080156975
2008-07-03

MULTI-EVALUATION CORE LOGGER

 #69
20060037780
2006-02-23

Coring tubular and method for reducing contamination and processing speed of a core sample

 #70
18407919
2025-02-11

Compact apparatus for quick core flood tests and method of use

 #71
17384866
2023-10-10

Soil sampling assembly

 #72
16207760
2021-07-27

Soil sampling assembly

 #73
15395691
2018-12-04

Soil sampling assembly

 #74
14486058
2017-01-03

Soil sampling assembly