CN1211564C - 一种单级双封固井方法 - Google Patents
一种单级双封固井方法 Download PDFInfo
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- CN1211564C CN1211564C CN 02122492 CN02122492A CN1211564C CN 1211564 C CN1211564 C CN 1211564C CN 02122492 CN02122492 CN 02122492 CN 02122492 A CN02122492 A CN 02122492A CN 1211564 C CN1211564 C CN 1211564C
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- Prior art keywords
- cement paste
- well cementation
- annular space
- single stage
- stage double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02122492 CN1211564C (zh) | 2002-06-04 | 2002-06-04 | 一种单级双封固井方法 |
Applications Claiming Priority (1)
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CN 02122492 CN1211564C (zh) | 2002-06-04 | 2002-06-04 | 一种单级双封固井方法 |
Publications (2)
Publication Number | Publication Date |
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CN1410650A CN1410650A (zh) | 2003-04-16 |
CN1211564C true CN1211564C (zh) | 2005-07-20 |
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Family Applications (1)
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CN 02122492 Expired - Fee Related CN1211564C (zh) | 2002-06-04 | 2002-06-04 | 一种单级双封固井方法 |
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CN (1) | CN1211564C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101139919B (zh) * | 2007-10-24 | 2010-06-02 | 北京德美高科科技有限责任公司 | 负压固井系统及其控制方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104405333B (zh) * | 2014-10-31 | 2018-12-28 | 中国石油化工集团公司 | 内管法固井工艺 |
CN104632125B (zh) * | 2014-12-30 | 2018-03-13 | 中国石油天然气集团公司 | 一种基于井径测井数据指导固井施工的方法 |
CN106555565B (zh) * | 2016-11-30 | 2019-03-01 | 中石化石油工程技术服务有限公司 | 一种低压易漏失井正注反挤的固井方法 |
CN108756788A (zh) * | 2018-05-28 | 2018-11-06 | 中石化石油工程技术服务有限公司 | 一种固井前置液合理用量的定量方法 |
-
2002
- 2002-06-04 CN CN 02122492 patent/CN1211564C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101139919B (zh) * | 2007-10-24 | 2010-06-02 | 北京德美高科科技有限责任公司 | 负压固井系统及其控制方法 |
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Publication number | Publication date |
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CN1410650A (zh) | 2003-04-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: COSL Chemicals (Tianjin) Co., Ltd. Assignor: China Oilfield Services Limited Contract fulfillment period: 2008.2.1 to 2022.1.1 contract change Contract record no.: 2008990000059 Denomination of invention: Single stage double sealing well cementation method Granted publication date: 20050720 License type: General permission Record date: 2008.4.7 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.2.1 TO 2022.1.1 Name of requester: TIANJIN COSL CHEMICAL CO., LTD. Effective date: 20080407 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050720 Termination date: 20160604 |