Average Co-Inventor Count = 1.69
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Halliburton Energy Services, Inc. (25 from 11,618 patents)
2. Other (5 from 831,952 patents)
3. Landmark Graphics Corporation (1 from 597 patents)
32 patents:
1. 12404440 - Environmentally acceptable wellbore stability additive
2. 12060518 - Compositions and methods for inhibiting shale and preventing shale accretion
3. 12043788 - Environmentally acceptable wellbore stability additive
4. 12006468 - Modified vegetable oil as fluid loss control additive
5. 11906688 - Using electrical signal as a measure of water wettability for direct emulsion fluids
6. 11591508 - Oil-based drill-in fluid with enhanced fluid loss properties
7. 11492532 - Stable emulsion drilling fluids
8. 11365338 - Solid shale inhibitor additives
9. 11285489 - Milling oilfield particulates
10. 11015107 - Methods of cleaning invert emulsion drilling fluids
11. 10914664 - Inclined roller oven for dynamic sag evaluation/determination of settling velocity
12. 10520484 - Aging testing apparatus and use thereof
13. 9934479 - Well planning workflow system, method and computer-program product
14. D810518 - Combined fish cleaner grate and tray
15. 8691733 - Suspension characteristics in invert emulsions