Low concentration synthetic polymer fracturing fluid with ascorbic acid
US-2025270440-A1 · Aug 28, 2025 · US
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Song Lulu patents
Song Lulu is listed as an inventor on 26 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Song Lulu |
| Total patents | 26 |
| First publication | Jan 5, 2016 |
| Latest publication | Aug 28, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-12391868-B2 · Aug 19, 2025 · US
Low concentration synthetic polymer fracturing fluid with ascorbic acid
US-12312536-B2 · May 27, 2025 · US
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-12241022-B2 · Mar 4, 2025 · US
Degradable friction reducer for hydraulic fracturing treatments
US-2024409805-A1 · Dec 12, 2024 · US
Low Concentration Synthetic Polymer Fracturing Fluid with Ascorbic Acid
US-2024368460-A1 · Nov 7, 2024 · US
Degradable friction reducer for hydraulic fracturing treatments
US-12098327-B2 · Sep 24, 2024 · US
Degradable friction reducer for hydraulic fracturing treatments
US-12098326-B2 · Sep 24, 2024 · US
Degradable friction reducer for hydraulic fracturing treatments
US-11999905-B2 · Jun 4, 2024 · US
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-2024150642-A1 · May 9, 2024 · US
Recent patents
Latest publications not already listed above.
Degradable friction reducer for hydraulic fracturing treatments
US-2024043741-A1 · Feb 8, 2024 · US
Degradable friction reducer for hydraulic fracturing treatments
US-2024043740-A1 · Feb 8, 2024 · US
Degradable friction reducer for hydraulic fracturing treatments
US-2023058884-A1 · Feb 23, 2023 · US
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-2023029914-A1 · Feb 2, 2023 · US
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-11459502-B2 · Oct 4, 2022 · US
Composition and Method for Breaking Synthetic-Polymer-Type Stimulation Fluids
US-2022098472-A1 · Mar 31, 2022 · US
Method for a fracturing fluid system at high temperatures
US-10815419-B2 · Oct 27, 2020 · US
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US-2020216750-A1 · Jul 9, 2020 · US
Method for a fracturing fluid system at high temperatures
US-2020048538-A1 · Feb 13, 2020 · US
Method for a fracturing fluid system at high temperatures
US-10450501-B2 · Oct 22, 2019 · US
Method for a fracturing fluid system at high temperatures
US-2019256765-A1 · Aug 22, 2019 · US
Method for a fracturing fluid system at high temperatures
US-10066151-B2 · Sep 4, 2018 · US
Method for a fracturing fluid system at high temperatures
US-2018223174-A1 · Aug 9, 2018 · US
Method for a fracturing fluid system at high temperatures
US-9963630-B2 · May 8, 2018 · US
Method for a fracturing fluid system at high temperatures
US-2017137699-A1 · May 18, 2017 · US
Temperature sensitive viscoelastic well-treatment fluids
US-9228123-B2 · Jan 5, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cnpc Usa Corp | 26 |
| Beijing Huamei Inc | 16 |
| China Nat Petroleum Corp | 14 |
| Beijing Huamei Inc Cnpc | 1 |
| Ecolab Usa Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/68 | 17 |
| C09K8/88 | 14 |
| C09K2208/26 | 12 |
| E21B43/26 | 12 |
| E21B43/267 | 11 |