Composition and use therof, oil-based drilling fluid and a method for raising shearing force of oil-based drilling fluid
US-10150903-B2 · Dec 11, 2018 · US
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Wang Xianguang patents
Wang Xianguang is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wang Xianguang |
| Total patents | 3 |
| First publication | Jan 12, 2017 |
| Latest publication | Dec 11, 2018 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 2 |
| Sinopec Res Inst Petroleum Eng | 2 |
| Sinopec Res Inst Of Petroleum Engineering | 1 |
| Zte Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/32 | 2 |
| C09K8/035 | 2 |
| C09K8/36 | 2 |
| G06F17/30864 | 1 |
| H04L51/10 | 1 |