CN103964115B - 自攻式高压地下储气井 - Google Patents

自攻式高压地下储气井 Download PDF

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CN103964115B
CN103964115B CN201410220275.6A CN201410220275A CN103964115B CN 103964115 B CN103964115 B CN 103964115B CN 201410220275 A CN201410220275 A CN 201410220275A CN 103964115 B CN103964115 B CN 103964115B
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high pressure
self
underground gas
gas well
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CN103964115A (zh
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江村
区军
郭方文
杨海堂
蔡广闽
朱政果
关楚
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Huainan Shengzhijie Automobile Sales and Service Co.,Ltd.
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Abstract

自攻式高压地下储气井,在进行固井作业时,首先计算出固井所需的水泥浆用量、并将其全部注入基井内,然后再将自攻式高压地下储气井逐节组装、旋转压入已注有水泥浆的基础井即可。由于是空井时灌注水泥浆,然后才将自攻式高压地下储气井旋转压入,从而避免了由于基井与井筒间隙过小而导致部分井筒不能被水泥浆包裹的严重缺陷,达到延长高压地下储气井使用寿命的目的。

Description

自攻式高压地下储气井
技术领域
本发明涉及高压地下储气井领域,尤其是自攻式高压地下储气井
背景技术
高压地下储气井技术,可将天然气高压的储存于地下,具有安全性高、占地面积小、管理维护费用低等优点。但由于受固井质量影响,一些地下储气井往往没达到设计寿命就报废了。目前的固井技术有从上往下灌注水泥浆和从下往上灌注水泥浆两种方式,如:专利01108413.8地下储气井井筒的固定方法、专利200610020658.4一种地下储气井井筒的固定方法、专利200720079563.X带扶正器的高压地下储气井井筒、专利200810045221.5高压地下储气井井筒的固定方法等。无论是从上往下灌注水泥浆和从下往上灌注水泥浆,均是先将井筒全部安装并下井完毕后才开始灌注水泥浆,由于高压地下储气井深达数十米至数百米,而井筒与基井壁的间隙一般只有1.5厘米至3.0厘米,因此在进行灌注水泥浆作业时,不可避免地会存在部分井筒不能被水泥浆包裹的严重缺陷,从而影响高压地下储气井的使用寿命
发明内容
本发明的目的:是针对现有背景技术的上述问题,提出了自攻式高压地下储气井。
本发明是这样实现的:自攻式高压地下储气井,由自攻式井底封头、井筒、接箍、井口装置组成;自攻式井底封头与井筒连接,井筒通过接箍相互连接,井口装置与井筒连接;其特征是:自攻式井底封头由井底封头、螺旋件、扶正环组成,井底封头与螺旋件连接、螺旋件与扶正环连接。
本发明的优点:自攻式高压地下储气井,在进行固井作业时,首先计算出固井所需的水泥浆用量,并将其全部注入基井内,然后再将自攻式高压地下储气井逐节组装、旋转压入已注有水泥浆的基础井即可。由于是空井时灌注水泥浆,然后才将自攻式高压地下储气井旋转压入,从而避免了由于基井与井筒间隙过小而导致部分井筒不能被水泥浆包裹的严重缺陷,达到延长高压地下储气井使用寿命的目的。
附图说明
图1是本发明的简单示意图。
图2是本发明部件自攻式井底封头(1)的剖示图。
图中,1为自攻式井底封头、2为井筒(2)、3为接箍(3)、4为井口装置、5为水泥浆、6为基井、11为井底封头、12为螺旋件、13为扶正环。
具体实施方式
如图1、图2所示,自攻式高压地下储气井,由自攻式井底封头(1)、井筒(2)、接箍(3)、井口装置(4)组成;自攻式井底封头(1)与井筒(2)连接,井筒(2)通过接箍(3)相互连接,井口装置(4)与井筒(2)连接;其特征是:自攻式井底封头(1)由井底封头(11)、螺旋件(12)、扶正环(13)组成,井底封头(11)与螺旋件(12)连接、螺旋件(12)与扶正环(13)连接。在进行固井作业时,首先计算出固井所需的水泥浆(5)用量,并将其全部注入基井内,然后再将自攻式高压地下储气井逐节组装、旋转压入已注有水泥浆的基础井即可。

Claims (2)

1.自攻式高压地下储气井,由自攻式井底封头(1)、井筒(2)、接箍(3)、井口装置(4)组成;其特征是:自攻式井底封头(1)与井筒(2)连接,井筒(2)通过接箍(3)相互连接,井口装置(4)与井筒(2)连接。
2.根据权利要求1所述的自攻式高压地下储气井,其特征是:自攻式井底封头(1)由井底封头(11)、螺旋件(12)、扶正环(13)组成,井底封头(11)与螺旋件(12)连接、螺旋件(12)与扶正环(13)连接。
CN201410220275.6A 2014-05-23 2014-05-23 自攻式高压地下储气井 Active CN103964115B (zh)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358053A (en) * 1970-09-18 1974-06-26 Gaz De France Underground gas-storage plant
US5207530A (en) * 1992-07-29 1993-05-04 Halliburton Company Underground compressed natural gas storage and service system
CN2711507Y (zh) * 2004-05-24 2005-07-20 成都鼎胜科技发展有限责任公司 地下高压储气装置
CN2849421Y (zh) * 2005-09-26 2006-12-20 成都鼎胜科技发展有限责任公司 井口可拆卸地下高压储气装置
CN101196115A (zh) * 2006-12-08 2008-06-11 石午江 一种高压气地下储气井的施工方法及装置
CN201401634Y (zh) * 2009-03-11 2010-02-10 四川川油天然气科技发展有限公司 储气井套管的复合式下封头
CN102583000A (zh) * 2012-03-02 2012-07-18 自贡力源科技有限公司 高压地下储气井用多层储气井筒体及其成型固定方法
CN203806496U (zh) * 2014-05-23 2014-09-03 江村 自攻式高压地下储气井

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478399A (ja) * 1990-07-18 1992-03-12 Shimizu Corp 高圧気体貯蔵用地下タンクおよびその構築方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358053A (en) * 1970-09-18 1974-06-26 Gaz De France Underground gas-storage plant
US5207530A (en) * 1992-07-29 1993-05-04 Halliburton Company Underground compressed natural gas storage and service system
CN2711507Y (zh) * 2004-05-24 2005-07-20 成都鼎胜科技发展有限责任公司 地下高压储气装置
CN2849421Y (zh) * 2005-09-26 2006-12-20 成都鼎胜科技发展有限责任公司 井口可拆卸地下高压储气装置
CN101196115A (zh) * 2006-12-08 2008-06-11 石午江 一种高压气地下储气井的施工方法及装置
CN201401634Y (zh) * 2009-03-11 2010-02-10 四川川油天然气科技发展有限公司 储气井套管的复合式下封头
CN102583000A (zh) * 2012-03-02 2012-07-18 自贡力源科技有限公司 高压地下储气井用多层储气井筒体及其成型固定方法
CN203806496U (zh) * 2014-05-23 2014-09-03 江村 自攻式高压地下储气井

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