Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268007 | Lignin derivatives based drilling fluid additive | — | 2022-03-08 |
| 11142677 | High solids tolerant invert emulsion fluids | Joseph J. Fandel | 2021-10-12 |
| 10676659 | High solids tolerant invert emulsion fluids | Joseph J. Fandel | 2020-06-09 |
| 10214675 | Salt-free invert emulsion drilling fluids and methods of drilling boreholes | Vikrant Wagle, Dhanashree Gajanan Kulkarni | 2019-02-26 |
| 10041300 | Organo-clay free invert emulsion fluids | Vikrant Wagle, Dhanashree Gajanan Kulkarni | 2018-08-07 |
| 10030189 | Salt-free invert emulsion drilling fluids and methods of drilling boreholes | Vikrant Wagle, Dhanashree Gajanan Kulkarni | 2018-07-24 |
| 9988569 | Methods and materials to enhance high temperature rheology in invert emulsions | Vikrant Wagle, Sharath Savari, Sandeep D. Kulkarni | 2018-06-05 |
| 9611417 | Invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent | Vikrant Wagle | 2017-04-04 |
| 9518206 | Invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids | Vikrant Wagle, Dhanashree G. Kulkarni | 2016-12-13 |
| 9469803 | Invert emulsion fluids | Vikrant Wagle, Dhanashree G. Kulkarni | 2016-10-18 |
| 9376608 | Invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent | Vikrant Wagle | 2016-06-28 |
| 9346995 | Methods and materials to enhance high temperature rheology in invert emulsions | Vikrant Wagle, Sharath Savari, Sandeep D. Kulkarni | 2016-05-24 |
| 9296937 | Method of drilling boreholes with invert emulsion drilling fluids having enhanced rheology | Vikrant Wagle, Dhanashree Gajanan Kulkarni | 2016-03-29 |
| 9127192 | Invert drilling fluids having enhanced rheology and methods of drilling boreholes | Vikrant Wagle, Kushabhau D. Teke, Dhanashree Gajanan Kulkarni | 2015-09-08 |
| 9117169 | Methods and apparatuses for modeling shale characteristics in wellbore servicing fluids using an artificial neural network | Dale E. Jamison, Dhanashree Gajanan Kulkarni, Kushabhau D. Teke, Sandeep D. Kulkarni | 2015-08-25 |
| 8991520 | Mathematical modeling of shale swelling in water based muds | Sandeep D. Kulkarni, Kushabhau D. Teke, Dhanashree Gajanan Kulkarni | 2015-03-31 |
| 8950492 | Invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids | Vikrant Wagle, Dhanashree G. Kulkarni | 2015-02-10 |
| 8936111 | Invert drilling fluids having enhanced rheology and methods of drilling boreholes | Vikrant Wagle, Kushabhau D. Teke, Dhanashree Gajanan Kulkarni, Kunal Sharad Kulkarni | 2015-01-20 |
| 8691733 | Suspension characteristics in invert emulsions | Jeffrey J. Miller, Vikrant Wagle, William Walter Shumway | 2014-04-08 |
| 7939470 | Invert emulsion drilling fluids comprising quaternary ammonium emulsifiers and argillaceous solids and methods of drilling boreholes | Vikrant Wagle | 2011-05-10 |