| 12252570 |
Core-shell flow improver |
Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, William F. Harris, Ray L. Johnston +3 more |
2025-03-18 |
| 11098221 |
Additives for improving DRA injection |
Ray L. Johnston, Zhiyi Bao, Richard D. Thomas |
2021-08-24 |
| 11028210 |
Core-shell flow improver |
Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, William F. Harris, Ray L. Johnston +3 more |
2021-06-08 |
| 10578252 |
Additives for drag reducing polymers |
Michael Olechnowicz, Tommy C. Ross |
2020-03-03 |
| 10370502 |
Disperse non-polyalphaolefin drag reducing polymers |
Ray L. Johnston, William F. Harris, Kenneth W. Smith, Wayne R. Dreher, Stuart N. Milligan |
2019-08-06 |
| 10053595 |
Additives for improving drag injection |
Ray L. Johnston, Zhiyi Bao, Richard D. Thomas |
2018-08-21 |
| 9939113 |
Additives for drag reducing polymers |
Michael Olechnowicz, Tommy C. Ross |
2018-04-10 |
| 9784414 |
Drag reduction of asphaltenic crude oils |
Zhiyi Bao, Stuart N. Milligan, Michael Olechnowicz, Ray L. Johnston, Kenneth W. Smith +2 more |
2017-10-10 |
| 9783644 |
Disperse non-polyalphaolefin drag reducing polymers |
Ray L. Johnston, William F. Harris, Kenneth W. Smith, Wayne R. Dreher, Stuart N. Milligan |
2017-10-10 |
| 8656950 |
Drag reduction of asphaltenic crude oils |
— |
2014-02-25 |
| 8616236 |
Drag reduction of asphaltenic crude oils |
— |
2013-12-31 |
| 8450249 |
Drag reduction of asphaltenic crude oils |
Stuart N. Milligan, Ray L. Johnston, Wayne R. Dreher, Kenneth W. Smith, William F. Harris |
2013-05-28 |
| 8450251 |
Drag reduction of asphaltenic crude oils |
Stuart N. Milligan, Ray L. Johnston, Wayne R. Dreher, Kenneth W. Smith, William F. Harris |
2013-05-28 |
| 8450250 |
Drag reduction of asphaltenic crude oils |
Stuart N. Milligan, Ray L. Johnston, Wayne R. Dreher, Kenneth W. Smith, William F. Harris |
2013-05-28 |
| 8426498 |
Drag reduction of asphaltenic crude oils |
Stuart N. Milligan, Ray L. Johnston, Wayne R. Dreher, Kenneth W. Smith, William F. Harris |
2013-04-23 |
| 8215930 |
Diaphragm pumps and transporting drag reducers |
Dung Nguyen, Richard D. Thomas |
2012-07-10 |
| 8124673 |
Low-viscosity drag reducer |
Kenneth W. Smith, William F. Harris, Allan Browne |
2012-02-28 |
| 8022118 |
Drag reduction of asphaltenic crude oils |
Stuart N. Milligan, Ray L. Johnston, Wayne R. Dreher, Kenneth W. Smith, William F. Harris |
2011-09-20 |
| 7888407 |
Disperse non-polyalphaolefin drag reducing polymers |
Ray L. Johnston, William F. Harris, Kenneth W. Smith, Wayne R. Dreher, Stuart N. Milligan |
2011-02-15 |
| 7884144 |
Hydrate inhibited latex flow improver |
Kenneth W. Smith, Wayne R. Dreher |
2011-02-08 |
| 7842738 |
High polymer content hybrid drag reducers |
Stuart N. Milligan, William F. Harris |
2010-11-30 |
| 7598333 |
Low-viscosity drag reducer |
Kenneth L. Smith, Allan Browne, William F. Harris |
2009-10-06 |
| 7361628 |
Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator |
Stuart N. Milligan, William F. Harris, Kenneth W. Smith, Ray L. Johnston, Vincent S. Anderson |
2008-04-22 |
| 6399676 |
Drag-reducing polymer suspensions |
Katrina M. Labude, Kenneth W. Smith |
2002-06-04 |