A Propos » Brevets S. Le Roy-Delage

1.      Compositions and methods for reducing air entrainment in well cement slurries granted EP3181654 

2.      Self-repairing cements granted US9683161

3.      Composition and methods for servicing subterranean wells US20120012318 EP2407524A1

4.      Compositions and methods for adjusting the rheological properties of well service fluids EP3246299A1

5.      Methods for cementing wells using foamed cementing compositions EP2933307 A1 

6.      Compositions and Methods for Cementing Wells US2015090451 

7.      Compositions and Methods for Well Completions granted US9556702 

8.      Systems and method for improving zonal isolation in a well granted US9416615

9.      Composition for well cementing comprising a compounded elastomer swelling additive I  granted US9382159 

10.    Self-repairing cements EP granted 2450417 May 2016 US2013146286 (A1)

11.    Compositions and methods for servicing subterranean wells” C. granted US9187685 

12.    Aqueous resin compositions and methods for cement repair granted US8967254

13.    Compositions and methods for servicing subterranean wells granted US8936081

14.    Self Adaptive cements granted US8844628

15.    Self adaptive cements  granted US8800656

16.    Squeeze composition for restoring isolation granted US8434552

17.    Self-Adaptive cement systems granted US8469095

18.    Method of characterizing the self-healing properties of a set cement based material in contact with hydrocarbons US8236100 

19.    Cementing compositions comprising within un-reacted cement US granted 8236879 August 2012.

20.    Method and Composition for Zonal Isolation of a Well. Casing coating associated with adaptive cement for zonal isolation granted EP1978071,US 8689984 

21.    Self- Adaptive cement systems granted EP1625279.

22.    Flexible cementing compositions and methods for high temperature wells granted US 7402204 granted GB 2399083.

23.    Cementing composition and use of such compositions for cementing oil wells or the like  granted US 6742592.

24.    Cementing composition and use of such compositions for cementing oil wells or the like granted US 6645288.

25.    Cementing composition and use of such compositions for cementing oil wells or the like granted US 6902001.

26.    Cementing composition and use of such compositions for cementing oil wells or the like granted US 6458198

27.    Apparatus and method for measuring the characteristics of a drilling mud or analogous fluid S. granted NO317874