CN101760187A - Micro-expansile side drilling plugging agent - Google Patents
Micro-expansile side drilling plugging agent Download PDFInfo
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- CN101760187A CN101760187A CN200910255762A CN200910255762A CN101760187A CN 101760187 A CN101760187 A CN 101760187A CN 200910255762 A CN200910255762 A CN 200910255762A CN 200910255762 A CN200910255762 A CN 200910255762A CN 101760187 A CN101760187 A CN 101760187A
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Abstract
The invention relates to a plugging agent capable of reaching easy drilling out and small volume shrinkage in the field of auxiliary materials for drilling. The technical scheme of the invention is as follows: the basic materials of the plugging agent include 30-70 percent of G-grade cement as well as 70-30 percent of fine silicon powder; micro lattice swelling agent accounting for 0.5-5 percent of the weight percentage of the basic materials, early strength agent accounting for 1-5 percent of the weight percentage of the basic materials, and intensifier accounting for 1-6 percent of the weight percentage of the basic materials are added. The micro lattice swelling agent is swell soil, the early strength agent is calcium oxide and the intensifier is silicate. The micro-expansile side drilling plugging agent has the beneficial effects of controlling the initial and final set time, and having proper intensity as well as easily drilled and plugged rigidity during side drilling plugging, thereby reaching to successfully implement side drilling plugging at the first time. The micro-expansile side drilling plugging agent has the characteristics of adjustable initial and final set time, firm plugging as well as easy drilling and plugging, etc.
Description
Technical field
The present invention relates to a kind of in the drilling well subsidiary material field and can reach easy brill plug, plugging agent that volumetric shrinkage is little.
Background technology
At present, sidetracked hole bores plug difficulty, condition of high temperature blocking agent volumetric shrinkage with plugging agent, and a lot of wells need repeatedly change bit tool, on average bore the plug time more than 3 days.And bore the easy wear sleeve of plug, and increased operating cost, prolonged construction period.And the crack appears in grout off agent volumetric shrinkage easily under the condition of high temperature.
Summary of the invention
For the plugging agent that overcomes existing sidetracked hole is difficult for boring plug, the easy deficiency of shrinking of condition of high temperature plugging agent volume, the present invention is through a large amount of experiments, the screening of multiple plugging agent material, multiple additives is developed and is applicable to sidetracked hole, the easy little swollen property sidetracked hole plugging agent that bores plug.
Technical scheme of the present invention: the base mateiral of this plugging agent is to be that the G class g cement of 30-70% and the fine silica powder of 70-30% are material of main part with the weight ratio, adds to account for the micro lattice swelling agent that the material of main part weight ratio is 0.5%-5%, the hardening accelerator of 1%-5% and the toughener of 1%-6%.
Described micro lattice swelling agent is a wilkinite, and hardening accelerator is calcium oxide, and toughener is a silicate.
Base mateiral and water are by weight 1: 0.6-1 blends.
The present invention is by the agent of screening suitable external, improve and easily bore the plug performance, determine the consumption of admixture, investigate the performance of easily boring the plug blocking agent, screen suitable swelling agent, investigate the performance of easily boring plug, little swollen property blocking agent, easily bore the temperature resistant antisalt performance evaluation of plug, little swollen property blocking agent, at first bore the plug difficulty, at first start with from ultimate compression strength and the hardness of improving cement plug at sidetracked hole behind the on-the-spot grout off.The Shore hardness of general cement is at 60-67HSD, and by adding different admixtures, the test correlated performance screens suitable additive.Experimentize from lime carbonate, fine powder, calcium chloride, algae soil, fine silt, six kinds of admixtures of fine silica powder respectively, determine that finally the presetting period and the hardness of fine silica powder is suitable, hardness descends obviously.By adding micro lattice swelling agent, hardening accelerator, three kinds of additives of toughener, it is further perfect to fill a prescription then, and the every index in final test back all reaches requirement of experiment.
The beneficial effect of patent of the present invention is, can be when the sidetracked hole shutoff, and first final setting time is controlled, intensity is moderate, hardness reaches easy brill plug, thus once success when reaching the sidetracked hole shutoff.It is adjustable, stifled as to live, easily bore characteristics such as plug that this blocking agent has first final setting time.
Embodiment
Embodiment 1, and the base mateiral of this plugging agent is to be that 30% G class g cement and 70% fine silica powder are material of main part with weight ratio, adds in addition that to account for the material of main part weight ratio be 2.5% micro lattice swelling agent, 3% hardening accelerator and 2% toughener.Base mateiral and water were blent by weight 1: 1 during use.
Embodiment 2, and the base mateiral of this plugging agent is to be that 70% G class g cement and 30% fine silica powder are material of main part with weight ratio, add in addition that to account for the material of main part weight ratio be 5% micro lattice swelling agent, 2% hardening accelerator and 4% toughener.Base mateiral and water were blent by weight 1: 0.6 during use.
Embodiment 2, and the base mateiral of this plugging agent is to be that 50% G class g cement and 50% fine silica powder are material of main part with weight ratio, add in addition that to account for the material of main part weight ratio be 3% micro lattice swelling agent, 2.5% hardening accelerator and 5% toughener.Base mateiral and water were blent by weight 1: 0.8 during use.
Micro lattice swelling agent in the foregoing description is a wilkinite, and hardening accelerator is calcium oxide, and toughener is a silicate.Can certainly adopt other surrogates, as the lattice dilatation agent VFO-3 of Beijing Lu Haiyuan petrochemical complex company limited production with performance; The JS-SL type cement early strength agent that Kingsoft chemical industry company limited of Xilinguole League produces; High-efficiency cement toughener that Zibo Jia Hao Chemical Industry Science Co., Ltd produces or the like.
Claims (3)
1. micro-expansile side drilling plugging agent, the base mateiral that it is characterized in that this plugging agent is to be that the G class g cement of 30-70% and the fine silica powder of 70-30% are material of main part with the weight ratio, adds to account for the micro lattice swelling agent that the material of main part weight ratio is 0.5%-5%, the hardening accelerator of 1%-5% and the toughener of 1%-6%.
2. micro-expansile side drilling plugging agent according to claim 1 is characterized in that: described micro lattice swelling agent is a wilkinite, and hardening accelerator is calcium oxide, and toughener is a silicate.
3. micro-expansile side drilling plugging agent according to claim 1 and 2, it is characterized in that base mateiral and water are by weight 1: 0.6-1 blends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910255762 CN101760187B (en) | 2009-12-22 | 2009-12-22 | Micro-expansile side drilling plugging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910255762 CN101760187B (en) | 2009-12-22 | 2009-12-22 | Micro-expansile side drilling plugging agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101760187A true CN101760187A (en) | 2010-06-30 |
| CN101760187B CN101760187B (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910255762 Expired - Fee Related CN101760187B (en) | 2009-12-22 | 2009-12-22 | Micro-expansile side drilling plugging agent |
Country Status (1)
| Country | Link |
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| CN (1) | CN101760187B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618232A (en) * | 2012-03-09 | 2012-08-01 | 中国石油化工股份有限公司 | Plugging agent for fractured-vuggy oil reservoir |
| CN102911650A (en) * | 2011-08-05 | 2013-02-06 | 中国石油天然气股份有限公司 | High-strength composite plugging system for plugging pipe flow channel and preparation method thereof |
| CN103232838A (en) * | 2013-04-24 | 2013-08-07 | 新疆克拉玛依市采丰实业有限责任公司 | Preparation and application method of cement profile control agent |
| CN103740352A (en) * | 2013-12-06 | 2014-04-23 | 中国石油集团渤海钻探工程有限公司 | Expansion oil well cement with temperature resistance |
| CN104152125A (en) * | 2014-08-16 | 2014-11-19 | 成都汉元君业油田技术有限公司 | High dehydration solidification pressuring bearing plugging agent |
| CN105367016A (en) * | 2014-08-25 | 2016-03-02 | 鹤岗市新智科技有限公司 | Performance-adjustable shrinkage-free grouting slurry and preparation method thereof |
| CN108570218A (en) * | 2017-03-14 | 2018-09-25 | 中国石油化工股份有限公司 | A kind of method that raising can bore composite material brill mill speed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1144542A1 (en) * | 1998-12-23 | 2001-10-17 | Phillips Petroleum Company | Cement composition and process therewith |
| CN1810915A (en) * | 2006-02-24 | 2006-08-02 | 西南石油学院 | Comprehensive performace regulator for well cementing cement slurry and its prepn |
| CN101328054A (en) * | 2008-07-15 | 2008-12-24 | 安徽理工大学 | Novel slight expansion high strength internodal grouting material for high-strength drilling shaft lining |
-
2009
- 2009-12-22 CN CN 200910255762 patent/CN101760187B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1144542A1 (en) * | 1998-12-23 | 2001-10-17 | Phillips Petroleum Company | Cement composition and process therewith |
| CN1810915A (en) * | 2006-02-24 | 2006-08-02 | 西南石油学院 | Comprehensive performace regulator for well cementing cement slurry and its prepn |
| CN101328054A (en) * | 2008-07-15 | 2008-12-24 | 安徽理工大学 | Novel slight expansion high strength internodal grouting material for high-strength drilling shaft lining |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911650A (en) * | 2011-08-05 | 2013-02-06 | 中国石油天然气股份有限公司 | High-strength composite plugging system for plugging pipe flow channel and preparation method thereof |
| CN102618232A (en) * | 2012-03-09 | 2012-08-01 | 中国石油化工股份有限公司 | Plugging agent for fractured-vuggy oil reservoir |
| CN102618232B (en) * | 2012-03-09 | 2014-01-22 | 中国石油化工股份有限公司 | Plugging agent for fractured-vuggy oil reservoir |
| CN103232838A (en) * | 2013-04-24 | 2013-08-07 | 新疆克拉玛依市采丰实业有限责任公司 | Preparation and application method of cement profile control agent |
| CN103740352A (en) * | 2013-12-06 | 2014-04-23 | 中国石油集团渤海钻探工程有限公司 | Expansion oil well cement with temperature resistance |
| CN104152125A (en) * | 2014-08-16 | 2014-11-19 | 成都汉元君业油田技术有限公司 | High dehydration solidification pressuring bearing plugging agent |
| CN104152125B (en) * | 2014-08-16 | 2017-08-25 | 成都汉元君业油田技术有限公司 | A kind of high dehydration solidification pressure-bearing sealing agent |
| CN105367016A (en) * | 2014-08-25 | 2016-03-02 | 鹤岗市新智科技有限公司 | Performance-adjustable shrinkage-free grouting slurry and preparation method thereof |
| CN105367016B (en) * | 2014-08-25 | 2018-10-23 | 鹤岗市新智科技有限公司 | A kind of adjustable ungauged regions grouting slurries of performance and its preparation method |
| CN108570218A (en) * | 2017-03-14 | 2018-09-25 | 中国石油化工股份有限公司 | A kind of method that raising can bore composite material brill mill speed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101760187B (en) | 2012-12-26 |
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| C14 | Grant of patent or utility model | ||
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Inventor after: Bi Zhifeng Inventor after: Song Xiufang Inventor after: Zhang Jiang Inventor after: Wan Huiping Inventor after: Li Yubo Inventor after: Zhang Dingyong Inventor after: Yao Kai Inventor after: Dong Lixin Inventor after: Cui Xindong Inventor after: Hu Yan Inventor after: Hu Zengguo Inventor after: Zhang Xiaofang Inventor after: Zheng Fengying Inventor before: Bi Zhifeng Inventor before: Yao Kai Inventor before: Dong Lixin Inventor before: Cui Xindong Inventor before: Hu Yan Inventor before: Hu Zengguo Inventor before: Zhang Xiaofang Inventor before: Zheng Fengying Inventor before: Song Xiufang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: BI ZHIFENG YAO KAI DONG LIXIN CUI XINDONG HU YAN HU ZENGGUO ZHANG XIAOFANG ZHENG FENGYING SONG XIUFANG TO: BI ZHIFENG ZHANG DINGYONG YAO KAI DONG LIXIN CUI XINDONG HU YAN HU ZENGGUO ZHANG XIAOFANG ZHENG FENGYING SONG XIUFANG ZHANG JIANG WAN HUIPING LI YUBO |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20191222 |