Title:
METHOD AND DEVICE FOR PREDICTING OPTIMAL DEVELOPMENT MODE FOR SHALE OIL IN-SITU CONVERSION
Document Type and Number:
WIPO Patent Application WO/2021/017460
Kind Code:
A1
Abstract:
A method and device for predicting the optimal development mode for shale oil in-situ conversion, wherein the method includes: according to a pre-established relationship between heating rate and lower limit temperature, determining a lower limit temperature required for the complete conversion of convertible organic matter in shale to be tested into oil and gas; according to thermal field parameters of a target layer in a study area, an optimal heating time corresponding to the lower limit temperature, and a pre-established relationship between optimal heating well spacing and optimal heating time, determining an optimal heating well spacing; according to a relationship between temperature and shale output oil equivalent, determining an output oil equivalent; determining an optimal well layout; the lower limit temperature, the optimal heating well spacing, the output oil equivalent and the optimal well layout are the optimal parameters. According to the optimal parameters obtained by optimizing the key parameters in the shale oil in-situ conversion development process, the optimal development mode for shale oil in-situ conversion is determined, which reduces development costs, and provides scientific guidance for shale oil in-situ conversion development.
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Inventors:
HOU LIANHUA (CN)
WANG JINGHONG (CN)
CUI JINGWEI (CN)
ZHAO ZHONGYING (CN)
WANG JINGHONG (CN)
CUI JINGWEI (CN)
ZHAO ZHONGYING (CN)
Application Number:
PCT/CN2020/076344
Publication Date:
February 04, 2021
Filing Date:
February 24, 2020
Export Citation:
Assignee:
PETROCHINA CO LTD (CN)
International Classes:
G06Q10/04; E21B43/30
Foreign References:
| CN107688669A | 2018-02-13 | |||
| CN107818518A | 2018-03-20 | |||
| CN109113730A | 2019-01-01 | |||
| CN107818188A | 2018-03-20 | |||
| CN108547612A | 2018-09-18 | |||
| US20070246994A1 | 2007-10-25 |
Other References:
See also references of EP 3812983A4
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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