ClassID:

135673

E21B44/10 - CPC Classification

Classification description:

Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems ; Systems specially adapted for monitoring a plurality of drilling variables or conditions Arrangements for automatic stopping when the tool is lifted from the working face

Recent Application in this class:
#1
20250163796
2025-05-22

METHODS AND SYSTEMS FOR DRILLING

#2
20240344397
2024-10-17

VIRTUAL BRAKE SYSTEM

#3
20230332487
2023-10-19

Virtual brake system

#4
20230313668
2023-10-05

Methods and systems for drilling

#5
20230003103
2023-01-05

METHOD AND CONTROL SYSTEM NODE FOR MONITORING OPERATIONS ON DRILL FLOOR

#6
20220056796
2022-02-24

Methods and systems for drilling

#7
20210404293
2021-12-30

Virtual brake system

#8
20210285316
2021-09-16

Real-time well construction process inference through probabilistic data fusion

#9
20210285315
2021-09-16

System and method for drilling rig state determination

#10
20210277763
2021-09-09

Automating well construction operations based on detected abnormal events

#11
20200347701
2020-11-05

Virtual brake system

#12
20200190968
2020-06-18

Method for zonal injection profiling and extraction of hydrocarbons in reservoirs

#13
20200182040
2020-06-11

Zone management system and equipment interlocks

#14
20200182039
2020-06-11

Zone management system and equipment interlocks

#15
20190228359
2019-07-25

Automatic wellbore activity schedule adjustment method and system

#16
20190078429
2019-03-14

Wireless emergency stop

#17
20190071966
2019-03-07

Local electrical room module for well construction apparatus

#18
20180179862
2018-06-28

Spindle brake logic

#19
20180171718
2018-06-21

Virtual brake system

#20
20180142542
2018-05-24

Auxiliary drill handle

#21
20170248001
2017-08-31

Non-parting tool for use in submersible pump system

#22
20150134390
2015-05-14

Automatic wellbore activity schedule adjustment method and system