Inventor
Dimitri M. Khramov
Inventor
US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere45%
E21BEarth or rock drilling17%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C08LCompositions of macromolecular compounds7%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
12,454,639Emulsifier for synthetic-based mud, process for preparation, and drilling method202512,448,867Shale inhibitor additives, wellbore fluids comprising said additives, and methods of using said fluids202512,365,824Polymeric amidoamine emulsifiers202512,359,109Surfactant package for direct emulsion drilling fluid202511,952,324Amidoamine synthesis, methods to track the reaction process202411,884,871Polymeric rheology modifiers202411,827,838Polymeric amidoamine emulsifiers202311,814,570Amide emulsifier for high-temperature oil-based drilling fluid202311,708,518Additive to improve cold temperature properties in oil-based fluids202311,584,876Additive to improve cold temperature properties in oil-based fluids202311,555,138Fluids and methods for mitigating sag and extending emulsion stability202311,414,586Branched acid emulsifier compositions and methods of use202211,377,579Alkyl cyclic anhydride based emulsifiers for oil based mud2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (13)· patent assignee history
2022–2024Patents assigned to MI LLC (3)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 13 | 2022–2025 |
| MI LLC | 3 | 2022–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 13 | 2022–2025 |