Patents by Inventor Omprakash Pal

Omprakash Pal 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).

  • CEMENT SPACER FLUID WITH POLYETHYLENEIMINE HYDROCHLORIDE SALT AS A SHALE INHIBITOR
    Publication number: 20240059950
    Abstract: A cement spacer fluid and a method for making and a method for using the cement spacer fluid are provided. The cement spacer fluid includes a polyethyleneimine hydrochloride (PEI HCl) salt, an aqueous solvent, a viscosifier, and a weighting agent.
    Type: Application
    Filed: June 16, 2023
    Publication date: February 22, 2024
    Inventors: Vikrant Wagle, Ali Mohammed Hussain Al Safran, Abdullah Saleh Hussain Al-Yami, Omprakash Pal, Sara Abdulaziz Alkhalaf
  • CEMENT SLURRY WITH POLYETHYLENEIMINE HYDROCHLORIDE SALT AS A SHALE INHIBITOR
    Publication number: 20240052233
    Abstract: A cement composition and methods for preparing and using the cement composition are provided. The cement composition includes a polyethyleneimine hydrochloride (PEI HCl) salt, an aqueous solvent, and a cement.
    Type: Application
    Filed: August 2, 2022
    Publication date: February 15, 2024
    Inventors: Vikrant Wagle, Ali Mohammed Hussain Al Safran, Abdullah Saleh Hussain Al-Yami, Omprakash Pal, Abdulaziz AlHehal
  • C-36 DIMER DIAMINE HYDROCHLORIDE SALT AS PRIMARY VISCOSIFIER FOR INVERT-EMULSION DRILLING FLUIDS
    Publication number: 20230416587
    Abstract: Methods for making and using an invert-emulsion drilling fluid, and the invert-emulsion drilling fluid are provided. An exemplary invert-emulsion drilling fluid includes a C-36 dimer diamine dihydrochloride salt (CDDH), an aqueous solvent, a non-aqueous solvent, an emulsifier, and calcium chloride.
    Type: Application
    Filed: June 27, 2022
    Publication date: December 28, 2023
    Inventors: Vikrant Wagle, Abdullah Saleh Hussain Al-Yami, Omprakash Pal, Ali Mohammed Hussain Al Safran, Khawlah Alanqari
  • Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor
    Patent number: 11807803
    Abstract: A cement spacer fluid and a method for making and a method for using the cement spacer fluid are provided. The cement spacer fluid includes a polyethyleneimine hydrochloride (PEI HCl) salt, an aqueous solvent, a viscosifier, and a weighting agent.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: November 7, 2023
    Assignee: Saudi Arabian Oil Company
    Inventors: Vikrant Wagle, Ali Mohammed Hussain Al Safran, Abdullah Saleh Hussain Al-Yami, Omprakash Pal, Sara Abdulaziz Alkhalaf
  • ETHYLENE AMINE HYDROCHLORIDE BASED SHALE INHIBITOR FOR AQUEOUS DRILLING FLUIDS
    Publication number: 20230323183
    Abstract: A wellbore fluid composition is provided that includes an aqueous base fluid and at least one ethylene ammonium salt having a number average molecular weight in a range of 250 to 500 grams per mole. A method of drilling a wellbore is also provided. the method includes circulating an aqueous drilling fluid into the wellbore while drilling, wherein the aqueous drilling fluid includes at least one ethylene ammonium salt. The aqueous drilling fluid further includes a pH value from 6.5 to 7.5. The method of drilling a wellbore further includes recovering shale cuttings while maintaining wellbore stability.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Applicant: SAUDI ARABIAN OIL COMPANY
    Inventors: Vikrant Wagle, Abdullah Al-Yami, Omprakash Pal, Ali Al-Safran, Mohammad Alharthi, Sara Alkhalaf
  • Low-end rheology modifier for oil based drilling fluids
    Patent number: 11725129
    Abstract: Provided is an invert emulsion oil-based drilling fluid composition that may include an invert emulsion of an oil phase and an aqueous phase. The oil phase may include an oleaginous fluid. The composition may include a low-end rheology modifier that is a C-36 dimer diamine dihydrochloride salt. Further provided is a method that may include introducing the invert emulsion oil-based drilling fluid composition into a wellbore.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: August 15, 2023
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Vikrant Wagle, Abdullah Alyami, Omprakash Pal, Ali Al-Safran, Abdulaziz Alhelal
  • LOW-END RHEOLOGY MODIFIER FOR OIL BASED DRILLING FLUIDS
    Publication number: 20230212449
    Abstract: Provided is an invert emulsion oil-based drilling fluid composition that may include an invert emulsion of an oil phase and an aqueous phase. The oil phase may include an oleaginous fluid. The composition may include a low-end rheology modifier that is a C-36 dimer diamine dihydrochloride salt. Further provided is a method that may include introducing the invert emulsion oil-based drilling fluid composition into a wellbore.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 6, 2023
    Applicant: SAUDI ARABIAN OIL COMPANY
    Inventors: Vikrant Wagle, Abdullah Alyami, Omprakash Pal, Ali Al-Safran, Abdulaziz Alhelal