Cromwell; Roger S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cromwell; Roger S..The latest application filed is for "cement compositions comprising sub-micron alumina and associated methods".

Company Profile

0.80.32

Cromwell; Roger S. - Walters OK US
Cromwell; Roger S - Walters OK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cement compositions comprising sub-micron alumina and associated methods Grant 8,940,670 - Patil , et al. January 27, 2	2015-01-27
Cement compositions comprising sub-micron alumina and associated methods Grant 8,476,203 - Patil , et al. July 2, 2	2013-07-02
Cement Compositions Comprising Sub-Micron Alumina and Associated Methods App 20120190769 - Patil; Rahul Chandrakant ; et al.	2012-07-26
Cement Compositions Comprising Sub-Micron Alumina and Associated Methods App 20100095871 - Patil; Rahul Chandrakant ; et al.	2010-04-22
Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated compositions Grant 7,569,108 - Chatterji , et al. August 4, 2	2009-08-04
Foamed fly ash cement compositions and methods of cementing Grant 7,413,014 - Chatterji , et al. August 19, 2	2008-08-19
Resilient cement compositions and methods of cementing Grant 7,404,855 - Chatterji , et al. July 29, 2	2008-07-29
Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated methods Grant 7,363,977 - Chatterji , et al. April 29, 2	2008-04-29
Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated compositions App 20080078307 - Chatterji; Jiten ; et al.	2008-04-03
Prevention Of Latex Inversion In Saltwater Cement Compositions For Use In Subterranean Formations And Associated Methods App 20080078550 - Chatterji; Jiten ; et al.	2008-04-03
Liquid additive for reducing water-soluble chromate Grant 7,296,626 - Luke , et al. November 20, 2	2007-11-20
Foamed cement compositions, additives, and associated methods Grant 7,255,170 - Chatterji , et al. August 14, 2	2007-08-14
Methods of cementing using cationic cellulose ethers as fluid loss control additives App 20070137861 - Chatterji; Jiten ; et al.	2007-06-21
Cationic cellulose ethers as fluid loss control additives in cement compositions and associated methods App 20070137529 - Chatterji; Jiten ; et al.	2007-06-21
Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations Grant 7,229,492 - Chatterji , et al. June 12, 2	2007-06-12
Liquid additive for reducing water-soluble chromate App 20070101906 - Luke; Karen ; et al.	2007-05-10
Methods of cementing using cement compositions comprising basalt fibers Grant 7,174,961 - Chatterji , et al. February 13, 2	2007-02-13
Methods of cementing using cement compositions comprising basalt fibers App 20060213664 - Chatterji; Jiten ; et al.	2006-09-28
Resilient cement compositions and methods of cementing App 20060174805 - Chatterji; Jiten ; et al.	2006-08-10
Resilient cement compositions and methods of cementing Grant 7,022,755 - Chatterji , et al. April 4, 2	2006-04-04
Foamed cement slurries, additives and methods Grant 7,013,975 - Chatterji , et al. March 21, 2	2006-03-21
Methods and cement compositions for cementing in subterranean zones Grant 7,008,479 - Chatterji , et al. March 7, 2	2006-03-07
Foamed cement slurries, additives and methods App 20060016601 - Chatterji; Jiten ; et al.	2006-01-26
Foamed cement compositions, additives, and associated methods App 20060016602 - Chatterji; Jiten ; et al.	2006-01-26
Cement compositions including silane treated amorphous silica Grant 6,982,000 - Chatterji , et al. January 3, 2	2006-01-03
Foamed And Non-foamed Cement Compositions Including Silane Treated Amorphous Silica And Methods App 20050284634 - Chatterji, Jiten ; et al.	2005-12-29
Foamed and non-foamed cement compositions including silane treated amorphous silica and methods Grant 6,978,834 - Chatterji , et al. December 27, 2	2005-12-27
Methods of cementing pipe in well bores and low density cement compositions therefor Grant 6,979,366 - Chatterji , et al. December 27, 2	2005-12-27
Cement Compositions Including Silane Treated Amorphous Silica App 20050263037 - Chatterji, Jiten ; et al.	2005-12-01
Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations App 20050204961 - Chatterji, Jiten ; et al.	2005-09-22
Foamed fly ash cement compositions and methods of cementing App 20050133221 - Chatterji, Jiten ; et al.	2005-06-23
Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations Grant 6,902,002 - Chatterji , et al. June 7, 2	2005-06-07
Methods of cementing subterranean zones with cement compositions having enhanced compressive strengths Grant 6,899,177 - Chatterj , et al. May 31, 2	2005-05-31
Compositions for solving lost circulation problems Grant 6,881,708 - Reddy , et al. April 19, 2	2005-04-19
Methods Of Cementing Subterranean Zones With Cement Compositions Having Enhanced Compressive Strengths App 20050077045 - Chatterj, Jiten ; et al.	2005-04-14
Methods of generating gas in and foaming well cement compositions Grant 6,858,566 - Reddy , et al. February 22, 2	2005-02-22
Methods, compositions and biodegradable fluid loss control additives for cementing subterranean zones Grant 6,840,319 - Chatterji , et al. January 11, 2	2005-01-11
Methods and cement compositions for cementing in subterranean zones App 20040226484 - Chatterji, Jiten ; et al.	2004-11-18
Foamed well cement slurries, additives and methods Grant 6,797,054 - Chatterji , et al. September 28, 2	2004-09-28
Methods of treating subterranean zones penetrated by well bores Grant 6,767,867 - Chatterji , et al. July 27, 2	2004-07-27
Methods and cement compositions for cementing in subterranean zones Grant 6,708,760 - Chatterji , et al. March 23, 2	2004-03-23
Methods of cementing pipe in well bores and low density cement compositions therefor App 20040016371 - Chatterji, Jiten ; et al.	2004-01-29
Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants Grant 6,681,856 - Chatterji , et al. January 27, 2	2004-01-27
Stable well cementing methods and compositions Grant 6,641,660 - Chatterji , et al. November 4, 2	2003-11-04
Resilient well cement compositions and methods Grant 6,593,402 - Chatterji , et al. July 15, 2	2003-07-15
Compositions for solving lost circulation problems App 20030092582 - Reddy, B. Raghava ; et al.	2003-05-15
Methods of treating subterranean zones penetrated by well bores App 20030083204 - Chatterji, Jiten ; et al.	2003-05-01
Method of downhole fluid separation and displacement and a plug utilized therein Grant 6,554,068 - Chatterji , et al. April 29, 2	2003-04-29
Sealing subterranean zones Grant 6,555,507 - Chatterji , et al. April 29, 2	2003-04-29
Foamed well cement slurries, additives and methods Grant 6,547,871 - Chatterji , et al. April 15, 2	2003-04-15
Methods of cementing pipe in well bores and low density cement compositions therefor Grant 6,516,883 - Chatterji , et al. February 11, 2	2003-02-11
Stable well cementing methods and compositions Grant 6,516,884 - Chatterji , et al. February 11, 2	2003-02-11
Compositions for solving lost circulation problems Grant 6,508,306 - Reddy , et al. January 21, 2	2003-01-21
Methods and compositions for grouting heat exchange pipe Grant 6,502,636 - Chatterji , et al. January 7, 2	2003-01-07
Sealing subterranean zones Grant 6,503,870 - Griffith , et al. January 7, 2	2003-01-07
Foamed well cement slurries, additives and methods App 20030000428 - Chatterji, Jiten ; et al.	2003-01-02
High strength foamed well cement compositions and methods Grant 6,500,252 - Chatterji , et al. December 31, 2	2002-12-31
Methods of drilling well bores Grant 6,460,632 - Chatterji , et al. October 8, 2	2002-10-08
Sealing subterranean zones Grant 6,448,206 - Griffith , et al. September 10, 2	2002-09-10
Foamed well cement slurries, additives and methods App 20020096090 - Chatterji, Jiten ; et al.	2002-07-25
Defoaming methods and compositions Grant 6,417,142 - Chatterji , et al. July 9, 2	2002-07-09
Methods and compositions for grouting heat exchange pipe App 20020056404 - Chatterji, Jiten ; et al.	2002-05-16
Methods and ultra-low density sealing compositions for sealing pipe in well bores Grant 6,367,549 - Chatterji , et al. April 9, 2	2002-04-09
Foamed well cement slurries, additives and methods Grant 6,367,550 - Chatterji , et al. April 9, 2	2002-04-09
Methods and compositions for forming permeable cement sand screens in well bores Grant 6,364,945 - Chatterji , et al. April 2, 2	2002-04-02
Methods and compositions for forming permeable cement sand screens in well bores App 20020035951 - Chatterji, Jiten ; et al.	2002-03-28
Resilient well cement compositions and methods App 20020033263 - Chatterji, Jiten ; et al.	2002-03-21
Sealing subterranean zones App 20020022579 - Griffith, James E. ; et al.	2002-02-21
Sealing subterranean zones App 20020020530 - Griffith, James E. ; et al.	2002-02-21
Sealing subterranean zones App 20020020529 - Griffith, James E. ; et al.	2002-02-21
Resilient well cement compositions and methods Grant 6,330,917 - Chatterji , et al. December 18, 2	2001-12-18
Sealing subterranean zones Grant 6,328,106 - Griffith , et al. December 11, 2	2001-12-11
Methods of sealing pipe strings in disposal wells Grant 6,321,841 - Eoff , et al. November 27, 2	2001-11-27
Cementing wells with crack and shatter resistant cement Grant 6,308,777 - Chatterji , et al. October 30, 2	2001-10-30
Sealing subterranean zones App 20010032723 - Chatterji, Jiten ; et al.	2001-10-25
Defoaming compositions and methods Grant 6,297,202 - Chatterji , et al. October 2, 2	2001-10-02
Cementing Wells With Crack And Shatter Resistant Cement App 20010018973 - CHATTERJI, JITEN ; et al.	2001-09-06
Heat insulation compositions and methods Grant 6,279,652 - Chatterji , et al. August 28, 2	2001-08-28
Sealing subterranean zones Grant 6,271,181 - Chatterji , et al. August 7, 2	2001-08-07
Methods and compositions for cementing pipe strings in well bores App 20010009133 - Chatterji, Jiten ; et al.	2001-07-26
Methods and compositions for grouting heat exchange pipe Grant 6,258,160 - Chatterji , et al. July 10, 2	2001-07-10
Resilient well cement compositions and methods App 20010004936 - Chatterji, Jiten ; et al.	2001-06-28
Methods and compositions for cementing pipe strings in well bores Grant 6,244,344 - Chatterji , et al. June 12, 2	2001-06-12
Resilient well cement compositions and methods Grant 6,234,251 - Chatterji , et al. May 22, 2	2001-05-22
Well sealing compositions and methods Grant 6,231,664 - Chatterji , et al. May 15, 2	2001-05-15
Methods of cementing subterranean zones Grant 6,227,294 - Chatterji , et al. May 8, 2	2001-05-08
High strength foamed well cement compositions and methods Grant 6,220,354 - Chatterji , et al. April 24, 2	2001-04-24
Foamed cement compositions and methods Grant 6,210,476 - Chatterji , et al. April 3, 2	2001-04-03
Methods and compositions for forming permeable cement sand screens in well bores Grant 6,202,751 - Chatterji , et al. March 20, 2	2001-03-20
Defoaming compositions and methods Grant 6,156,808 - Chatterji , et al. December 5, 2	2000-12-05
Compositions and methods for sealing pipe in well bores Grant 6,098,711 - Chatterji , et al. August 8, 2	2000-08-08
Well sealing compositions and methods Grant 6,068,055 - Chatterji , et al. May 30, 2	2000-05-30
Foamed resin compositions for sealing subterranean zones Grant 6,069,117 - Onan , et al. May 30, 2	2000-05-30
Foamed well cement slurries, additives and methods Grant 6,063,738 - Chatterji , et al. May 16, 2	2000-05-16
Subterranean zone sealing methods and compositions Grant 6,059,035 - Chatterji , et al. May 9, 2	2000-05-09
Methods and compositions for sealing subterranean zones Grant 6,059,036 - Chatterji , et al. May 9, 2	2000-05-09
Remedial well bore sealing methods and compositions Grant 6,012,524 - Chatterji , et al. January 11, 2	2000-01-11
Methods of sealing plugs in well bores Grant 6,006,836 - Chatterji , et al. December 28, 1	1999-12-28
Methods for sealing subterranean zones using foamed resin Grant 6,006,835 - Onan , et al. December 28, 1	1999-12-28
Remedial well bore sealing methods Grant 5,969,006 - Onan , et al. October 19, 1	1999-10-19
Method of sealing conduits in lateral well bores Grant 5,957,204 - Chatterji , et al. September 28, 1	1999-09-28
Polymeric well completion and remedial compositions and methods Grant 5,945,387 - Chatterji , et al. August 31, 1	1999-08-31
Well drilling fluids containing epoxy sealants and methods Grant 5,911,282 - Onan , et al. June 15, 1	1999-06-15
Foamed well cement compositions, additives and methods Grant 5,897,699 - Chatterji , et al. April 27, 1	1999-04-27
Methods of sealing pipe strings in well bores Grant 5,875,844 - Chatterji , et al. March 2, 1	1999-03-02
Methods and compositions for sealing pipe strings in well bores Grant 5,875,845 - Chatterji , et al. March 2, 1	1999-03-02
Methods of modifying subterranean strata properties Grant 5,875,846 - Chatterji , et al. March 2, 1	1999-03-02
Well cement compositions having improved properties and methods Grant 5,389,706 - Heathman , et al. February 14, 1	1995-02-14
Well completion and remedial methods utilizing cement-ladened rubber Grant 5,293,938 - Onan , et al. March 15, 1	1994-03-15
Well completion and remedial methods utilizing rubber latex compositions Grant 5,159,980 - Onan , et al. November 3, 1	1992-11-03