CN101581717A - 一种超临界co2连续钻井液模拟循环试验装置 - Google Patents
一种超临界co2连续钻井液模拟循环试验装置 Download PDFInfo
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Abstract
一种超临界CO2连续钻井液模拟循环试验装置，它涉及一种超临界CO2连续钻井液模拟循环试验装置。它包含传统的钻井液模拟循环试验装置的结构，它的钻井液利用超临界CO2作为油田钻井液。本发明按相似理论设计钻井筒，能适用于直井和水平井，它不污染油层，特别是连续管下端口安装的喷嘴耐磨性能好，以及能够满足喷嘴压力温度的在线监测。
Description
技术领域：
本发明涉及一种超临界CO2连续钻井液模拟循环试验装置。
背景技术：
钻井液在钻井作业和保护油气层中起到的作用和各方面对钻井液的严格要求，促使钻井液技术取得了迅速的发展。经过多年的科研开发和生产实践，钻井液已从仅满足钻头钻进发展到适应各方面需求的钻井液体系。例如为快速钻井服务的低粘度、低摩擦、低固相的聚合物钻井液，防卡钻井液，针对岩石特点的防塌钻井液，钻盐岩层的饱和盐水钻井液，保护油气层的低密度水包油钻井液，防堵塞油气通道的油基钻井液和开发低压油气田的泡沫钻井液等。形成了较为完整的钻井液体系。然而，目前的钻井液还存在以下缺点：固相颗粒及泥饼堵塞油气通道；滤失液使地层中粘土膨胀而堵塞地层孔隙；钻井液滤液中离子与地层离子作用产生沉淀堵塞通道；产生水锁效应，增加油气流动阻力；污染油层。
发明内容：
本发明的目的是提供一种超临界CO2连续钻井液模拟循环试验装置，它按相似理论设计钻井筒，能适用于直井和水平井，它不污染油层，特别是连续管下端口安装的喷嘴耐磨性能好，以及能够满足喷嘴压力温度的在线监测。
为了解决背景技术所存在的问题，本发明是采用以下技术方案：它包含传统的钻井液模拟循环试验装置的结构，它的钻井液利用超临界CO2作为油田钻井液。
利用CO2作为油田钻井液是解决传统泥浆钻井液污染油层的一种先进工艺。
本发明按相似理论设计钻井筒，能适用于直井和水平井，它不污染油层，特别是连续管下端口安装的喷嘴耐磨性能好，以及能够满足喷嘴压力温度的在线监测。
具体实施方式：
本具体实施方式采用以下技术方案：它包含传统的钻井液模拟循环试验装置的结构，它的钻井液利用超临界CO2作为油田钻井液。
利用CO2作为油田钻井液是解决传统泥浆钻井液污染油层的一种先进工艺。
本具体实施方式按相似理论设计钻井筒，能适用于直井和水平井，它不污染油层，特别是连续管下端口安装的喷嘴耐磨性能好，以及能够满足喷嘴压力温度的在线监测。
Claims (1)
1、一种超临界CO2连续钻井液模拟循环试验装置，它包含传统的钻井液模拟循环试验装置的结构，其特征在于它的钻井液利用超临界CO2作为油田钻井液。
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| CNA2009100268531A CN101581717A (zh) | 2009-06-02 | 2009-06-02 | 一种超临界co2连续钻井液模拟循环试验装置 |
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| CNA2009100268531A CN101581717A (zh) | 2009-06-02 | 2009-06-02 | 一种超临界co2连续钻井液模拟循环试验装置 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477845A (zh) * | 2010-11-30 | 2012-05-30 | 中国石油大学(北京) | 一种用于超短半径水平井的钻井方法 |
| CN104931646A (zh) * | 2014-03-23 | 2015-09-23 | 阿斯派克国际(2015)私人有限公司 | 用于钻井泥浆的多模态分析和处理的装置和方法 |
| US10174569B2 (en) | 2013-06-20 | 2019-01-08 | Aspect International (2015) Private Limited | NMR/MRI-based integrated system for analyzing and treating of a drilling mud for drilling mud recycling process and methods thereof |
| US10444170B2 (en) | 2015-07-02 | 2019-10-15 | Aspect Ai Ltd. | System and method for analysis of fluids flowing in a conduit |
| US10598581B2 (en) | 2013-11-06 | 2020-03-24 | Aspect Imaging Ltd. | Inline rheology/viscosity, density, and flow rate measurement |
| US10655996B2 (en) | 2016-04-12 | 2020-05-19 | Aspect Imaging Ltd. | System and method for measuring velocity profiles |
| US10670574B2 (en) | 2015-01-19 | 2020-06-02 | Aspect International (2015) Private Limited | NMR-based systems for crude oil enhancement and methods thereof |
| US10809338B2 (en) | 2015-04-12 | 2020-10-20 | Aspect Ai Ltd. | System and method for NMR imaging of fluids in non-circular cross-sectional conduits |
-
2009
- 2009-06-02 CN CNA2009100268531A patent/CN101581717A/zh active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477845A (zh) * | 2010-11-30 | 2012-05-30 | 中国石油大学(北京) | 一种用于超短半径水平井的钻井方法 |
| CN102477845B (zh) * | 2010-11-30 | 2014-02-19 | 中国石油大学(北京) | 一种用于超短半径水平井的钻井方法 |
| US10174569B2 (en) | 2013-06-20 | 2019-01-08 | Aspect International (2015) Private Limited | NMR/MRI-based integrated system for analyzing and treating of a drilling mud for drilling mud recycling process and methods thereof |
| US10598581B2 (en) | 2013-11-06 | 2020-03-24 | Aspect Imaging Ltd. | Inline rheology/viscosity, density, and flow rate measurement |
| CN104931646A (zh) * | 2014-03-23 | 2015-09-23 | 阿斯派克国际(2015)私人有限公司 | 用于钻井泥浆的多模态分析和处理的装置和方法 |
| US10670574B2 (en) | 2015-01-19 | 2020-06-02 | Aspect International (2015) Private Limited | NMR-based systems for crude oil enhancement and methods thereof |
| US10809338B2 (en) | 2015-04-12 | 2020-10-20 | Aspect Ai Ltd. | System and method for NMR imaging of fluids in non-circular cross-sectional conduits |
| US10444170B2 (en) | 2015-07-02 | 2019-10-15 | Aspect Ai Ltd. | System and method for analysis of fluids flowing in a conduit |
| US10655996B2 (en) | 2016-04-12 | 2020-05-19 | Aspect Imaging Ltd. | System and method for measuring velocity profiles |
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Application publication date: 20091118 |