- Patent Title: Method to improve hydraulic fracturing in the near wellbore region
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Application No.: US17757500Application Date: 2019-12-19
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Publication No.: US11753919B2Publication Date: 2023-09-12
- Inventor: Ivan Vladimirovich Velikanov , Denis Viktorovich Bannikov , Fedor Nikolaevich Litvinets
- Applicant: Schlumberger Technology Corporation
- Applicant Address: US TX Sugar Land
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- International Application: PCT/RU2019/000980 2019.12.19
- International Announcement: WO2021/125998A 2021.06.24
- Date entered country: 2022-06-16
- Main IPC: E21B43/267
- IPC: E21B43/267 ; E21B43/26 ; E21B47/06 ; E21B49/00

Abstract:
The present disclosure relates to a method for stimulating a subterranean formation that includes performing an initial stimulation in a wellbore positioned within the subterranean formation to place a designed volume of a first proppant in fractures, determining a near wellbore fracture width of the fractures, determining an unpropped fracture length of the fractures based on a rock bending model, determining an unpropped fracture volume based on the unpropped fracture length and near wellbore width of the fractures and performing a second stimulation treatment to place a proppant in fractures in an amount equal to the unpropped fracture volume. This operation allows to restore the conductivity of fracture in the damaged zone.
Public/Granted literature
- US20230022886A1 METHOD TO IMPROVE HYDRAULIC FRACTURING IN THE NEAR WELLBORE REGION Public/Granted day:2023-01-26
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