Title:
METHOD FOR PERFORMING INTEGRAL PLUGGING CONTROL ON WATER INVASION AND STEAM CHANNELING OF EDGE-BOTTOM WATER HEAVY OIL RESERVOIR
Document Type and Number:
WIPO Patent Application WO/2020/248740
Kind Code:
A1
Abstract:
Disclosed is a method for performing integral plugging control on water invasion and steam channeling of an edge-bottom water heavy oil reservoir. The method for performing integral plugging control on water invasion and steam channeling of an edge-bottom water heavy oil reservoir comprises the following steps: (1) selecting an oil reservoir; (2) arranging a huff-puff well; (3) performing steam huff-puff development; and (4) performing integral plugging control. An integral plugging control technology is used for the method, a high-strength nitrogen foam system is injected by means of well rows at different positions in the oil reservoir, and effective plugging walls are formed at different positions from the edge-bottom water to reduce water invasion and steam channeling.
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Inventors:
LU TENG (CN)
LI ZHAOMIN (CN)
LI BINFEI (CN)
LI SONGYAN (CN)
LI ZHAOMIN (CN)
LI BINFEI (CN)
LI SONGYAN (CN)
Application Number:
PCT/CN2020/088123
Publication Date:
December 17, 2020
Filing Date:
April 30, 2020
Export Citation:
Assignee:
UNIV CHINA PETROLEUM (CN)
International Classes:
E21B43/24; E21B43/22
Domestic Patent References:
| WO2016033259A1 | 2016-03-03 |
Foreign References:
| CN107435535A | 2017-12-05 | |||
| CN101016835A | 2007-08-15 | |||
| CN110159237A | 2019-08-23 | |||
| CN106968654A | 2017-07-21 | |||
| CN106761627A | 2017-05-31 | |||
| CA2839070A1 | 2015-07-14 |
Attorney, Agent or Firm:
ZHUSEN INTELLECTUAL PROPERTY AGENCY OFFICE (CN)
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