公开(公告)号：US20240294820A1

公开(公告)日：2024-09-05

申请号：US18114759

申请日：2023-02-27

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Noktan Mohammed AlYami ,  Abdullah Saleh Hussain Al-Yami ,  Khawlah Alanqari

IPC: C09K8/518 ,  C08G59/24 ,  C08G59/50 ,  C08J9/08 ,  C09K8/508 ,  E21B21/00

CPC classification number: C09K8/518 ,  C08G59/245 ,  C08G59/5006 ,  C08J9/08 ,  C09K8/5086 ,  E21B21/003 ,  C08J2203/02 ,  C08J2363/02

Abstract: A method for mitigating loss circulation zones in a wellbore is provided. The method includes synthesizing a carbamate from an amine-curing agent, and the carbamate is mixed with an epoxy resin from the loss control composition. Chapter loss control composition is pumped into a wellbore with a loss circulation zone, wherein the loss control composition flows into the loss circulation zone. The carbamate of the loss control composition is allowed to decompose at wellbore temperatures, wherein the carbamate releases CO2 gas and the amine-curing agent. The CO2 gas foams the epoxy resin, expanding the epoxy resin to fill voids in the loss circulation zone, and the amine-curing agent cures the foamed epoxy resin, forming a loss control material that seals the loss circulation zone.

公开(公告)号：US20230416590A1

公开(公告)日：2023-12-28

申请号：US17850363

申请日：2022-06-27

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Abdullah Saleh Hussain Al-Yami ,  Ali Mohammed Hussain Al Safran ,  Khawlah Alanqari

IPC: C09K8/36 ,  C09K8/03

CPC classification number: C09K8/36 ,  C09K8/032

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 a quaternary ammonium salt (QAS), an aqueous solvent, a non-aqueous solvent, calcium chloride, and a surfactant.

公开(公告)号：US20240279528A1

公开(公告)日：2024-08-22

申请号：US18653165

申请日：2024-05-02

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Abdullah Saleh Hussain AI-Yami ,  Omprakash Pal ,  Ali Mohammed Hussain Al Safran ,  Khawlah Alanqari

IPC: C09K8/035 ,  C09K8/03 ,  E21B21/06

CPC classification number: C09K8/035 ,  C09K8/032 ,  E21B21/065

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.

公开(公告)号：US12024669B2

公开(公告)日：2024-07-02

申请号：US17850368

申请日：2022-06-27

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Abdullah Saleh Hussain Al-Yami ,  Omprakash Pal ,  Ali Mohammed Hussain Al Safran ,  Khawlah Alanqari

IPC: C09K8/035 ,  C09K8/03 ,  E21B21/06

CPC classification number: C09K8/035 ,  C09K8/032 ,  E21B21/065

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.

公开(公告)号：US12122958B2

公开(公告)日：2024-10-22

申请号：US18114759

申请日：2023-02-27

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Noktan Mohammed AlYami ,  Abdullah Saleh Hussain Al-Yami ,  Khawlah Alanqari

IPC: C09K8/518 ,  C08G59/24 ,  C08G59/50 ,  C08J9/08 ,  C09K8/508 ,  E21B21/00

CPC classification number: C09K8/518 ,  C08G59/245 ,  C08G59/5006 ,  C08J9/08 ,  C09K8/5086 ,  E21B21/003 ,  C08J2203/02 ,  C08J2363/02

Abstract: A method for mitigating loss circulation zones in a wellbore is provided. The method includes synthesizing a carbamate from an amine-curing agent, and the carbamate is mixed with an epoxy resin from the loss control composition. The loss control composition is pumped into a wellbore with a loss circulation zone, wherein the loss control composition flows into the loss circulation zone. The carbamate of the loss control composition is allowed to decompose at wellbore temperatures, wherein the carbamate releases CO2 gas and the amine-curing agent. The CO2 gas foams the epoxy resin, expanding the epoxy resin to fill voids in the loss circulation zone, and the amine-curing agent cures the foamed epoxy resin, forming a loss control material that seals the loss circulation zone.

公开(公告)号：US20230416587A1

公开(公告)日：2023-12-28

申请号：US17850368

申请日：2022-06-27

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Abdullah Saleh Hussain Al-Yami ,  Omprakash Pal ,  Ali Mohammed Hussain Al Safran ,  Khawlah Alanqari

IPC: C09K8/035 ,  C09K8/03 ,  E21B21/06

CPC classification number: C09K8/035 ,  C09K8/032 ,  E21B21/065

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.

公开(公告)号：US10927284B2

公开(公告)日：2021-02-23

申请号：US16743318

申请日：2020-01-15

Applicant: SAUDI ARABIAN OIL COMPANY

Inventor： Vikrant Wagle ,  Abdullah Al-Yami ,  Khawlah Alanqari ,  Sara Alkhalaf

IPC: C09K8/36 ,  C09K8/03 ,  C09K8/035 ,  E21B43/16

Abstract: Various invert emulsion drilling fluid compositions. One such invert emulsion drilling fluid is a water in oil emulsion, which can include an invert emulsifier to stabilize the water in oil emulsion, a C16 to C18 saturated linear alpha carboxylic acid, a fatty dimer diamine, a filtration control agent, a weighting agent including manganese tetroxide, and a bridging agent including calcium chloride. The invert emulsion drilling fluids can be formulated to be substantially free of clay.