Invention Grant
- Patent Title: Downhole ranging using 3D magnetic field and 3D gradient field measurements
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Application No.: US17295751Application Date: 2019-01-10
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Publication No.: US11674378B2Publication Date: 2023-06-13
- Inventor: Michael Bittar , Hsu-Hsiang Wu , Yijing Fan
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: C. Tumey Law Group PLLC
- Agent Benjamin Ford
- International Application: PCT/US2019/013039 2019.01.10
- International Announcement: WO2020/145975A 2020.07.16
- Date entered country: 2021-05-20
- Main IPC: E21B47/0228
- IPC: E21B47/0228 ; E21B43/24 ; G01V3/12 ; E21B7/04

Abstract:
A ranging system and method uses three-dimensional (“3D”) magnetic field measurements to correct ranging distance and direction. Ghost well interference may also be decoupled from the ranging solutions using 3D magnetic gradient field measurements.
Public/Granted literature
- US20220018244A1 Downhole Ranging Using 3D Magnetic Field and 3D Gradient Field Measurements Public/Granted day:2022-01-20
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