|
| US7252147 | 22. Juli 2004 | 7. Aug. 2007 | Halliburton Energy Services, Inc. | Cementing methods and systems for initiating fluid flow with reduced pumping pressure |
| US7270183 | 16. Nov. 2004 | 18. Sept. 2007 | Halliburton Energy Services, Inc. | Cementing methods using compressible cement compositions |
| US7284608 | 26. Okt. 2004 | 23. Okt. 2007 | Halliburton Energy Services, Inc. | Casing strings and methods of using such strings in subterranean cementing operations |
| US7290611 | 22. Juli 2004 | 6. Nov. 2007 | Halliburton Energy Services, Inc. | Methods and systems for cementing wells that lack surface casing |
| US7290612 | 16. Dez. 2004 | 6. Nov. 2007 | Halliburton Energy Services, Inc. | Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore |
| US7303008 | 26. Okt. 2004 | 4. Dez. 2007 | Halliburton Energy Services, Inc. | Methods and systems for reverse-circulation cementing in subterranean formations |
| US7303014 | 26. Okt. 2004 | 4. Dez. 2007 | Halliburton Energy Services, Inc. | Casing strings and methods of using such strings in subterranean cementing operations |
| US7322412 | 30. Aug. 2004 | 29. Jan. 2008 | Halliburton Energy Services, Inc. | Casing shoes and methods of reverse-circulation cementing of casing |
| US7357181 | 20. Sept. 2005 | 15. Apr. 2008 | Halliburton Energy Services, Inc. | Apparatus for autofill deactivation of float equipment and method of reverse cementing |
| US7389815 | 27. Sept. 2007 | 24. Juni 2008 | Halliburton Energy Services, Inc. | Methods for reverse-circulation cementing in subterranean formations |
| US7392840 | 20. Dez. 2005 | 1. Juli 2008 | Halliburton Energy Services, Inc. | Method and means to seal the casing-by-casing annulus at the surface for reverse circulation cement jobs |
| US7401646 | 27. Sept. 2007 | 22. Juli 2008 | Halliburton Energy Services Inc. | Methods for reverse-circulation cementing in subterranean formations |
| US7404440 | 27. Sept. 2007 | 29. Juli 2008 | Halliburton Energy Services, Inc. | Methods of using casing strings in subterranean cementing operations |
| US7409991 | 27. Sept. 2007 | 12. Aug. 2008 | Halliburton Energy Services, Inc. | Methods of using casing strings in subterranean cementing operations |
| US7451817 | 27. Sept. 2007 | 18. Nov. 2008 | Halliburton Energy Services, Inc. | Methods of using casing strings in subterranean cementing operations |
| US7469742 | 6. Juni 2006 | 30. Dez. 2008 | | Well cap method and apparatus |
| US7503399 | 14. Nov. 2007 | 17. März 2009 | Halliburton Energy Services, Inc. | Casing shoes and methods of reverse-circulation cementing of casing |
| US7533728 | 4. Jan. 2007 | 19. Mai 2009 | Halliburton Energy Services, Inc. | Ball operated back pressure valve |
| US7533729 | 1. Nov. 2005 | 19. Mai 2009 | Halliburton Energy Services, Inc. | Reverse cementing float equipment |
| US7597146 | 6. Okt. 2006 | 6. Okt. 2009 | Halliburton Energy Services, Inc. | Methods and apparatus for completion of well bores |
| US7614451 | 16. Febr. 2007 | 10. Nov. 2009 | Halliburton Energy Services, Inc. | Method for constructing and treating subterranean formations |
| US7621336 | 14. Nov. 2007 | 24. Nov. 2009 | Halliburton Energy Services, Inc. | Casing shoes and methods of reverse-circulation cementing of casing |
| US7621337 | 14. Nov. 2007 | 24. Nov. 2009 | Halliburton Energy Services, Inc. | Casing shoes and methods of reverse-circulation cementing of casing |
| US7654324 | 16. Juli 2007 | 2. Febr. 2010 | Halliburton Energy Services, Inc. | Reverse-circulation cementing of surface casing |
| US7938186 | 14. Nov. 2007 | 10. Mai 2011 | Halliburton Energy Services Inc. | Casing shoes and methods of reverse-circulation cementing of casing |
| US8162047 | 12. Nov. 2009 | 24. Apr. 2012 | Halliburton Energy Services Inc. | Reverse-circulation cementing of surface casing |