YC

Yiyan Chen

Schlumberger Technology: 59 patents #26 of 7,293Top 1%
CI Cameron International: 3 patents #148 of 660Top 25%
ML M-I L.L.C.: 1 patents #179 of 369Top 50%
Overall (All Time): #29,249 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 25 most recent of 70 patents

Patent #TitleCo-InventorsDate
12122970 Production chemicals and methods of selecting the production chemicals based on Hansen solubility parameters Changping Sui 2024-10-22
12037540 Coupling agents for use in corrosion inhibiting compositions William Brett Cardwell, Alyn Jenkins 2024-07-16
12024675 Corrosion inhibitor William Brett Cardwell, Alyn Jenkins 2024-07-02
11952324 Amidoamine synthesis, methods to track the reaction process Dimitri M. Khramov, Albert Okhrimenko 2024-04-09
11884871 Polymeric rheology modifiers Dimitri M. Khramov, Stephen Cliffe, Reda Karoum 2024-01-30
11643898 Systems and methods for monitoring and/or predicting sagging tendencies of fluids Yan Gao, Reda Karoum 2023-05-09
11414586 Branched acid emulsifier compositions and methods of use Dimitri M. Khramov 2022-08-16
11377579 Alkyl cyclic anhydride based emulsifiers for oil based mud Dimitri M. Khramov, Reda Karoum 2022-07-05
11274239 High performance water based fluid Steven Young, Emanuel Stamatakis, Meghan Ruth Riley 2022-03-15
11066591 Effective pour point depressants for amidoamine emulsifiers Dimitri M. Khramov 2021-07-20
11028308 Invert emulsifiers from DCPD copolymers and their derivatives for drilling applications Dimitri M. Khramov, Glynda A. Addicks 2021-06-08
10570325 Branched acid emulsifier compositions and methods of use Dimitri M. Khramov 2020-02-25
10501898 Rigid hanger connecting structure and bridge structure Fang Yu, Ruijuan Jiang, Qiming Wu, Jucan Dong 2019-12-10
10480137 Flexible cable connecting structure and bridge structure Ruijuan Jiang, Fang Yu, Qiming Wu, Jucan Dong 2019-11-19
10429257 High-damping rubber isolation bearing, intelligent bearing and bearing monitoring system Fang Yu, Ruijuan Jiang, Weiming Gai, Jie Peng, Jucan Dong 2019-10-01
10351762 Hydrolyzable particle compositions, treatment fluids and methods Anthony Loiseau, Mohan Kanaka Raju Panga 2019-07-16
9873995 Flexible pier Xiachun Chen, Ruijuan Jiang, Weiming Gai, Qiming Wu, Jucan Dong +1 more 2018-01-23
9856614 Aseismic combined pier Ruijuan Jiang, Xiachun Chen, Weiming Gai, Jucan Dong, Qiming Wu +1 more 2018-01-02
9850423 Hydrolyzable particle compositions, treatment fluids and methods Anthony Loiseau, Mohan Kanaka Raju Panga 2017-12-26
9598630 Well treatment with complexed metal crosslinkers Andrey Mirakyan, Michael D. Parris, Carlos Abad 2017-03-21
9574128 Polymer delivery in well treatment applications Lijun Lin, Philip F. Sullivan 2017-02-21
9388335 Pickering emulsion treatment fluid Anthony Loiseau 2016-07-12
9334438 Polymer delivery in well treatment applications Philip F. Sullivan, Gary John Tustin, Yenny Christanti, Gregory Kubala, Bruno Drochon +2 more 2016-05-10
9321951 Hydrogen bonding material for oilfield application Michaela Nagl 2016-04-26
9133387 Methods to improve stability of high solid content fluid Anthony Loiseau 2015-09-15