Patents by Inventor Nancy Zhou
Nancy Zhou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20260318810Abstract: A method for testing the efficacy of sealing and plugging agents includes collecting a formation sample from an oil and gas formation, preparing a testing disk with the formation sample and a nonpermeable substance, such as a resin, assembling the testing disk in a Permeability Plugging Apparatus, pressurizing a fluid having a sealing and plugging agent at a constant injection pressure to flow the fluid through the testing disk, collecting and recording volumes of fluid effluent over time to determine a flow rate, and determining efficacy of the sealing and plugging agent based at least in part upon the flow rate through the formation sample.Type: ApplicationFiled: April 14, 2025Publication date: October 15, 2026Applicants: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Nancy Zhou, Tim Dunne, Meng Lu, Steven Vaughan, Jiaxiang Ren
-
Patent number: 12680013Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: GrantFiled: June 6, 2025Date of Patent: July 14, 2026Assignees: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Publication number: 20260183767Abstract: An oven mixing apparatus includes an oven capable of generating heat, a pipette tray positioned inside the oven, and a motor. The pipette tray of the oven mixing apparatus includes pipette clamps attached to the pipette tray via fasteners, one or more arms, and a pipette tray axle. The motor of the oven mixing apparatus includes a portion of the motor inside the oven, a portion of the motor outside of the oven, a shaft rotatable via a rotor of the motor, and a controller capable of controlling rotational speed of the shaft.Type: ApplicationFiled: December 31, 2024Publication date: July 2, 2026Applicants: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Nancy Zhou, Meng Lu, Steven Vaughan, Angel Vincent Feliciano, Jianshen Li, Qing Liu
-
Publication number: 20250297154Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: ApplicationFiled: June 6, 2025Publication date: September 25, 2025Applicants: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Patent number: 12325824Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: GrantFiled: December 21, 2023Date of Patent: June 10, 2025Assignees: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Patent number: 12049588Abstract: This disclosure describes the composition and methods of use for a novel delayed polymer gelation system for high temperature and high salinity applications. This polymer gelation system includes a polymer of acrylamide, AMPS and 500-5000 ppm polyethylene glycol diacrylate in inverse emulsion form, and a polyethyleneimine (PEI) with a MW of 2,000-30,000 daltons as the crosslinking agent.Type: GrantFiled: March 31, 2023Date of Patent: July 30, 2024Assignees: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Meng Lu, Danhua Zhang, Fuchen Liu, Nancy Zhou, Jianshen Li, Weibin Zha
-
Publication number: 20240228862Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: ApplicationFiled: December 21, 2023Publication date: July 11, 2024Applicants: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Patent number: 11851612Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: GrantFiled: November 15, 2022Date of Patent: December 26, 2023Assignees: CNPC USA CORPORATION, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Publication number: 20230265335Abstract: This disclosure describes the composition and methods of use for a novel delayed polymer gelation system for high temperature and high salinity applications. This polymer gelation system includes a polymer of acrylamide, AMPS and 500-5000 ppm polyethylene glycol diacrylate in inverse emulsion form, and a polyethyleneimine (PEI) with a MW of 2,000-30,000 daltons as the crosslinking agent.Type: ApplicationFiled: March 31, 2023Publication date: August 24, 2023Applicants: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Meng Lu, Danhua Zhang, Fuchen Liu, Nancy Zhou, Jianshen Li, Weibin Zha
-
Publication number: 20230069858Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: ApplicationFiled: November 15, 2022Publication date: March 9, 2023Applicants: CNPC USA CORPORATION, Beijing Huamei, Inc.Inventors: Jiangshui HUANG, Nancy ZHOU, Lijun LIN, Fuchen LIU, Guodong WU, Bo HUANG
-
Patent number: 11499091Abstract: A novel surfactant composition that comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: GrantFiled: September 15, 2020Date of Patent: November 15, 2022Assignees: CNPC USA CORPORATION, BEIJING HUAMEI INC.Inventors: Jiangshui Huang, Nancy Zhou, Lijun Lin, Fuchen Liu, Guodong Wu, Bo Huang
-
Publication number: 20220081609Abstract: Disclosed herein is a novel surfactant composition that will aid in increasing the productivity of oil-bearing subterranean formations. The composition comprises of two surfactant components, a solvent, and water. The surfactant composition is added to a fracturing fluid, which is then pumped downhole into a subterranean formation where the novel characteristics of the fracturing fluid lend to improved oil production over the fracturing fluid without the surfactant composition.Type: ApplicationFiled: September 15, 2020Publication date: March 17, 2022Applicants: CNPC USA CORPORATION, BEIJING HUAMEI INC.Inventors: Jiangshui HUANG, Nancy ZHOU, Lijun LIN, Fuchen LIU, Guodong WU, Bo HUANG
-
Publication number: 20190100534Abstract: Cephem and penem compounds having a styrylmethylene moiety at the 3-position in the cephem or penem ring to which a positively charged leaving group is bonded and wherein the leaving group contains a vicinal diol or is bonded to a unsubstituted or substituted catechol. The leaving group can be a positively charge nitrogen leaving group. Cephems include cephalosporins, cephamycins, carbacephems, and oxacephems. Penems include penems, carbapenems and oxapenems. Preferred cephems are cephalosporins. Preferred penems are carbapenems. Compounds exhibit antibiotic activity against Gram-negative bacteria and/or Gram-positive bacteria. Compounds exhibit antibiotic activity against bacteria which exhibit multi-drug resistance. Compounds of the invention exhibit antibiotic activity against bacterial strains which produce extended spectrum beta-lactamases (ESBL), which produce AmpC beta-lactamases or which produce a carbapenemase.Type: ApplicationFiled: October 4, 2018Publication date: April 4, 2019Inventors: Larry D. SUTTON, Robert ZAMBONI, Patrick BUREAU, Avid HASSANPOUR, Laura MAMANI LAPARRA, Marc VIDAL, Simon WOO, Nancy ZHOU, Richard M. KEENAN
-
Publication number: 20080004273Abstract: This invention relates to compounds that inhibit protein tyrosine kinase activity. In particular the invention relates to compounds that inhibit the protein tyrosine kinase activity of growth factor receptors, resulting in the inhibition of receptor signaling, for example, the inhibition of VEGF receptor signaling and HGF receptor signaling. More particularly, the invention relates to compounds, compositions and methods for the inhibition of VEGF receptor signaling and HGF receptor signaling. The invention also provides compositions and methods for treating cell proliferative diseases and conditions.Type: ApplicationFiled: May 30, 2007Publication date: January 3, 2008Inventors: Stephane Raeppel, Stephen Claridge, Oscar Saavedra, Arkadii Vaisburg, Robert Deziel, Lijie Zhan, Michael Mannion, Frederic Gaudette, Nancy Zhou, Ljubomir Isakovic
-
Publication number: 20070004675Abstract: The invention relates to the inhibition of VEGF receptor signaling and HGF receptor signaling. The invention provides compounds and methods for inhibiting VEGF receptor signaling and HGF receptor signaling.Type: ApplicationFiled: May 19, 2006Publication date: January 4, 2007Inventors: Oscar Saavedra, Stephen Claridge, Lijie Zhan, Franck Raeppel, Arkadii Vaisburg, Stephane Raeppel, Robert Deziel, Michael Mannion, Nancy Zhou, Frederic Gaudette, Ljubomir Isakovic, Amal Wahhab, Marie-Claude Granger, Naomy Bernstein
-
Publication number: 20060287343Abstract: The invention relates to the inhibition of VEGF receptor signaling and HGF receptor signaling. The invention provides compounds and methods for inhibiting VEGF receptor signaling and HGF receptor signaling.Type: ApplicationFiled: May 19, 2006Publication date: December 21, 2006Inventors: Oscar Saavedra, Stephen Claridge, Lijie Zhan, Franck Raeppel, Arkadii Vaisburg, Stephane Raeppel, Robert Deziel, Michael Mannion, Nancy Zhou, Ljubomir Isakovic
-
Patent number: D1146469Type: GrantFiled: June 18, 2025Date of Patent: September 8, 2026Assignees: CNPC USA Corporation, Beijing Huamei, Inc., China National Petroleum CorporationInventors: Angel Vincent Feliciano, Nancy Zhou, Steven Vaughan, Meng Lu