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JP2020094483A_The gravel and water which is based on the substitution of the mining method I-hydro rate system[...]有效

专利基本信息
申请号JP2019223624申请日2019-12-11
公开(公告)号JP2020094483A公开(公告)日2020-06-18
申请公布号JP2020094483A申请公布日2020-06-18
分类号E21B43/00分类土层或岩石的钻进;采矿
发明人▲呉▼能友;▲劉▼昌▲嶺▼;李彦▲龍▼;胡高▲偉▼;▲陳▼▲強▼;万▲義▼▲ジャォ▼;▲孫▼建▲業▼申请(专利权)人
青▲島▼海洋地▲質▼研究所
代理机构
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特許業務法人広江アソシエイツ特許事務所代理人
专利代理师是代理他人进行专利申请和办理其他专利事务,取得一定资格的人。专利代理师应具备一定的条件,经考核批准,由国家知识产权局颁发专利代理师资格证。
特許業務法人広江アソシエイツ特許事務所
地址-
摘要[Problem] to provide a shallow layer of bulk-safe mined duration for achieving the hydrate, the hydrate formation section is suitable for mining of lump-in shallow sea, sea water is substituted with I-based method for mining hydro rate system[...] gravel. [Solution] a shallow layer of buried layers comprising a massive type I type hydro rate system hydrate, free gas main wellbore which penetrates through the hydrate layer dig, free gas layer is perforated, the gas pressure in the lower free mining, a main well bore and a plurality of branch wellbore drilling methods adopted, widening the area of the decomposition of the hydrate mass type, massive type gradually decomposed hydrate, a certain size of gravel stratum to intermittently inject, filling the void space caused by the decomposition of the hydrate formation of bulk type continues, to maintain the stability of the layer, to enhance the permeability of the near wellbore, their repeated, sustained and scale mining a natural gas hydrate. Figure 1 [drawing]
The gravel and water which is based on the substitution of the mining method I-hydro rate system[...]
法律状态
序号法律状态公告日法律状态法律状态信息
1-- A621 + WRITTEN REQUEST FOR APPLICATION EXAMINATION N JP 6679038B1 529429881 JAPANESE INTERMEDIATE CODE: A621 20200108 ; 20200108 A871 EXPLANATION OF CIRCUMSTANCES CONCERNING ACCELERATED EXAMINATION N JP 6679038B1 529429881 JAPANESE INTERMEDIATE CODE: A871 20200108 ; 20200121 A975 REPORT ON ACCELERATED EXAMINATION N JP 6679038B1 529429881 JAPANESE INTERMEDIATE CODE: A971005 20200121 ; 20200203 TRDD + DECISION OF GRANT OR REJECTION WRITTEN N JP 6679038B1 529429881 ; 20200212 A01 + WRITTEN DECISION TO GRANT A PATENT OR TO GRANT A REGISTRATION (UTILITY MODEL) N JP 6679038B1 529429881 JAPANESE INTERMEDIATE CODE: A01 20200212 ; 20200310 A61 + FIRST PAYMENT OF ANNUAL FEES (DURING GRANT PROCEDURE) N JP 6679038B1 529429881 JAPANESE INTERMEDIATE CODE: A61 20200306 ; 20200323 R150 + CERTIFICATE OF PATENT OR REGISTRATION OF UTILITY MODEL N JP 6679038B1 529429881 6679038 JP JAPANESE INTERMEDIATE CODE: R150
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