ClassID:

104264

C09K8/14 - CPC Classification

Classification description:

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Well-drilling compositions; Aqueous well-drilling compositions Clay-containing compositions

Sub-classes:
Recent Application in this class:
#1
20230228729
2023-07-20

Apparatus and method for measuring settling of weighting materials in drilling and completion fluids

#2
20210062068
2021-03-04

Methods of stabilizing carbonate-bearing formations

#3
20200346980
2020-11-05

Thixotropic non-cementitious thermal grout and HDD or trough product line methods of application

#4
20200270512
2020-08-27

Breaking Gel Compositions Containing Nanoparticles

#5
20200181472
2020-06-11

Functionalized nanosilica as shale inhibitor in water-based fluids

#6
20190100687
2019-04-04

METHODS AND COMPOSITIONS FOR FILTER CAKE REMOVAL

#7
20190010377
2019-01-10

Functionalized nanosilica as shale inhibitor in water-based fluids

#8
20180244972
2018-08-30

Use of alkali metal silicates during formulation of drilling fluids

#9
20180163119
2018-06-14

Methods for treating a subterranean well

#10
20180016485
2018-01-18

Barrier pills

#11
20170218250
2017-08-03

Functionalized nanosilica as shale inhibitor in water-based fluids

#12
20170114271
2017-04-27

Subterranean well production saltwater evaporation station with saltwater recycle

#13
20160208153
2016-07-21

Composite body and method of manufacturing it

#14
20150068746
2015-03-12

Carbonate based slurry fracturing using solid acid for unconventional reservoirs

#15
20140321914
2014-10-30

Controlled dewatering of confined, saturated formations in excavation mines

#16
20140158363
2014-06-12

Wellbore servicing fluids and methods of making and using same

#17
20130130944
2013-05-23

Ultra high viscosity pill and methods for use with an oil-based drilling system

#18
20110009298
2011-01-13

Ultra High Viscosity Pill and Methods for Use with An Oil-Based Drilling System