Patents-Review.com
ClassID:

135705 ⎘

E21B47/1005 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210231003
2021-07-29

WELLBORE LEAK DETERMINATION

 #2
20200224529
2020-07-16

Systems and methods for acquiring multiphase measurements at a well site

 #3
20200224112
2020-07-16

Preventing hydrate formation in a flowline

 #4
20200224111
2020-07-16

Preventing hydrate formation in a flowline

 #5
20200216770
2020-07-09

Preventing hydrate formation in a flowline

 #6
20200209193
2020-07-02

Systems and methods for obtaining downhole fluid properties

 #7
20200173274
2020-06-04

Method for flow profiling using transient active-source heating or cooling and temperature profiling

 #8
20200024942
2020-01-23

Wellbore inflow detection based on distributed temperature sensing

 #9
20200018153
2020-01-16

SYSTEM AND METHOD FOR MODELING A TRANSIENT FLUID LEVEL OF A WELL

 #10
20200018147
2020-01-16

USING THE SPECIFIC HEAT CAPACITY OF A DRILLING FLUID TO DETERMINE OTHER PROPERTIES THEREOF

 #11
20190383118
2019-12-19

Determining ground loop resistance with ground source heat pump monitoring data

 #12
20190264556
2019-08-29

Fiber optic measurements to evaluate fluid flow

 #13
20190264555
2019-08-29

Method for flow profiling using active-source heating or cooling and temperature profiling

 #14
20190242203
2019-08-08

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #15
20190225902
2019-07-25

Preventing hydrate formation in a flowline

 #16
20190203586
2019-07-04

Coiled tubing telemetry system and method for production logging and profiling

 #17
20190162568
2019-05-30

Fluid component determination using thermal properties

 #18
20190093475
2019-03-28

Real-time fluid monitoring system and method

 #19
20190085686
2019-03-21

Integrated logging tool method for identifying well damage

 #20
20190032478
2019-01-31

Integrated method of determining and repairing damage in a well casing

 #21
20180347343
2018-12-06

Methods and systems for downhole sensing and communications in wells

 #22
20180252093
2018-09-06

Passive ranging to a target well using a fiber optic ranging assembly

 #23
20180202246
2018-07-19

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #24
20180187498
2018-07-05

SYSTEMS AND METHODS FOR EARLY WELL KICK DETECTION

 #25
20180179886
2018-06-28

Apparatus for monitoring at least a portion of a wellbore

 #26
20180119539
2018-05-03

Identifying fluid level for down hole pressure control with depth derivatives of temperature

 #27
20180112520
2018-04-26

Application of the time derivative of distributed temperature survey (DTS) in identifying flows in and around a wellbore during and after hydraulic fracture

 #28
20180112518
2018-04-26

APPLICATION OF TIEM AND DEPT DERIVATIVE OF DISTRIBUTED TEMPERATURE SURVEY (DTS) IN EVALUATING DATA QUALITY AND DATA RESOLUTION

 #29
20180073352
2018-03-15

ZONAL COMMUNICATION AND METHODS OF EVALUATING ZONAL COMMUNICATION

 #30
20170275987
2017-09-28

Method for downhole leak detection

 #31
20170226847
2017-08-10

Methods and apparatus of adjusting matrix acidizing procedures

 #32
20170159417
2017-06-08

INTELLIGENT WATER FLOOD REGULATION

 #33
20170145815
2017-05-25

Downhole thermal anomaly detection for passive ranging to a target wellbore

 #34
20170145813
2017-05-25

Methods and apparatus for computing zonal flow rates in reservoir wells

 #35
20170123103
2017-05-04

Fluid sensor cable assembly, system, and method

 #36
20170122097
2017-05-04

Systems and methods for acquiring multiphase measurements at a well site

 #37
20170074093
2017-03-16

Well-bore and reservoir monitoring process by logging temperature and resistivity

 #38
20170067335
2017-03-09

Method for interpretation of distributed temperature sensors during wellbore operations

 #39
20170009569
2017-01-12

CAPROCK BREACH DETERMINATION TECHNIQUE

 #40
20170009568
2017-01-12

Temperature sensor technique for determining a well fluid characteristic

 #41
20160376888
2016-12-29

Multiphase thermal flowmeter for stratified flow

 #42
20160290063
2016-10-06

Methods of coupling a downhole control line connector

 #43
20160259084
2016-09-08

Identification of heat capacity properties of formation fluid

 #44
20160237803
2016-08-18

System and methodology for monitoring in a borehole

 #45
20160186554
2016-06-30

Production logging multi-lateral wells

 #46
20160177712
2016-06-23

Method for determining a water intake profile in an injection well

 #47
20160097273
2016-04-07

Multi-phase fluid flow profile measurement

 #48
20160018548
2016-01-21

Methods and apparatus for wellbore evaluation

 #49
20150330214
2015-11-19

Wellbore systems with hydrocarbon leak detection apparatus and methods

 #50
20150167448
2015-06-18

DOWNHOLE SENSOR

 #51
20150135817
2015-05-21

Methods and apparatus for determining downhole fluid parameters

 #52
20150128692
2015-05-14

Real-time flow injection monitoring using distributed Bragg grating

 #53
20140365130
2014-12-11

ESTIMATING FLOW RATES FROM MULTIPLE HYDROCARBON RESERVOIR LAYERS INTO A PRODUCTION WELL

 #54
20140326063
2014-11-06

Virtual flowmeter for a well

 #55
20140290940
2014-10-02

Systems and methods for the evaluation of passive pressure containment barriers

 #56
20140290335
2014-10-02

Distributed two dimensional fluid sensor

 #57
20140229120
2014-08-14

Method for determining a health condition of wellsite equipment

 #58
20140165715
2014-06-19

Methods and Apparatus for Determining Downhole Parameters

 #59
20140157884
2014-06-12

Methods and apparatus for determining downhole parametes

 #60
20140151032
2014-06-05

Methods and apparatus for determining downhole fluid parameters

 #61
20140150546
2014-06-05

Methods and apparatus for analyzing operations

 #62
20140144226
2014-05-29

Distributed Fluid Velocity Sensor and Associated Method

 #63
20140102695
2014-04-17

Methods and apparatus for determining fluid parameters

 #64
20130341008
2013-12-26

Thermal optical fluid composition detection

 #65
20130266039
2013-10-10

System and method for wellbore monitoring

 #66
20130245947
2013-09-19

Downhole systems and methods for water source determination

 #67
20130180710
2013-07-18

Carbon dioxide content of natural gas from other physical properties

 #68
20130138348
2013-05-30

Method for determining the profile of an inflow and the parameters of a well-surrounding area in a multipay well

 #69
20120170406
2012-07-05

Early kick detection in an oil and gas well

 #70
20110232377
2011-09-29

Bi-directional flow and distributed temperature sensing in subterranean wells

 #71
15688109
2019-02-19

System and method for monitoring integrity of a wellbore