Title:
WATER INJECTION REGULATION SYSTEM AND METHOD FOR WATER INJECTION WELL
Document Type and Number:
WIPO Patent Application WO/2023/160147
Kind Code:
A1
Abstract:
A water injection regulation system for a water injection well, comprising: a buoy limiting device (A) provided at a wellhead and configured to release a buoy (C, 3) when receiving an activation instruction and automatically capture the buoy (C, 3) floating to the wellhead; a ground water delivery device (B) having an outlet communicated with the internal space of the buoy limiting device (A) and configured to inject water into the well by means of the buoy limiting device (A); the buoy (C, 3) configured to receive a water distribution instruction for performing water distribution regulation on each underground water distribution device (D, 9, 10) under a water distribution working condition, enter a water injection pipe column (11) along with water after being released, and float to the wellhead after data collection is completed; and each underground water distribution device (D, 9, 10) provided at a target layer and installed outside the side wall of the water injection pipe column (11) and configured to monitor production data of the target layer and exchange the production data with the water distribution instruction carried by the buoy (C, 3) when the buoy (C, 3) is detected, so as to perform water distribution regulation by using the water distribution instruction.
Inventors:
ZENG HAO (CN)
WANG HAIBO (CN)
KE WENQI (CN)
YANG LIHONG (CN)
CEN XUEQI (CN)
TANG JINGFEI (CN)
LI XIAOLONG (CN)
WANG HAIBO (CN)
KE WENQI (CN)
YANG LIHONG (CN)
CEN XUEQI (CN)
TANG JINGFEI (CN)
LI XIAOLONG (CN)
Application Number:
PCT/CN2022/139235
Publication Date:
August 31, 2023
Filing Date:
December 15, 2022
Export Citation:
Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC EXPLORATION & PROD RES INST (CN)
SINOPEC EXPLORATION & PROD RES INST (CN)
International Classes:
E21B33/068; E21B43/20; E21B34/14
Foreign References:
| CN213392117U | 2021-06-08 | |||
| CN111927361A | 2020-11-13 | |||
| CN106988734A | 2017-07-28 | |||
| CN110735621A | 2020-01-31 | |||
| US20170159417A1 | 2017-06-08 |
Attorney, Agent or Firm:
YUHUA UNITED INTELLECTUAL PROPERTY LAW FIRM (CN)
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