CN201062507Y - 一种带有钢球式平衡阀的井下安全阀 - Google Patents
一种带有钢球式平衡阀的井下安全阀 Download PDFInfo
- Publication number
- CN201062507Y CN201062507Y CNU2007201120379U CN200720112037U CN201062507Y CN 201062507 Y CN201062507 Y CN 201062507Y CN U2007201120379 U CNU2007201120379 U CN U2007201120379U CN 200720112037 U CN200720112037 U CN 200720112037U CN 201062507 Y CN201062507 Y CN 201062507Y
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- steel
- ball type
- storm
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201120379U CN201062507Y (zh) | 2007-07-18 | 2007-07-18 | 一种带有钢球式平衡阀的井下安全阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201120379U CN201062507Y (zh) | 2007-07-18 | 2007-07-18 | 一种带有钢球式平衡阀的井下安全阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201062507Y true CN201062507Y (zh) | 2008-05-21 |
Family
ID=39450878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201120379U Expired - Fee Related CN201062507Y (zh) | 2007-07-18 | 2007-07-18 | 一种带有钢球式平衡阀的井下安全阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201062507Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109083618A (zh) * | 2018-08-01 | 2018-12-25 | 东营市福利德石油科技开发有限责任公司 | 深井双通道安全阀 |
CN110173233A (zh) * | 2019-06-11 | 2019-08-27 | 西安石油大学 | 一种井下安全阀 |
CN112855077A (zh) * | 2019-11-28 | 2021-05-28 | 太原理工大学 | 一种井下安全阀 |
-
2007
- 2007-07-18 CN CNU2007201120379U patent/CN201062507Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109083618A (zh) * | 2018-08-01 | 2018-12-25 | 东营市福利德石油科技开发有限责任公司 | 深井双通道安全阀 |
CN110173233A (zh) * | 2019-06-11 | 2019-08-27 | 西安石油大学 | 一种井下安全阀 |
CN112855077A (zh) * | 2019-11-28 | 2021-05-28 | 太原理工大学 | 一种井下安全阀 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110173233A (zh) | 一种井下安全阀 | |
CN201062507Y (zh) | 一种带有钢球式平衡阀的井下安全阀 | |
CN201062508Y (zh) | 一种带有柱塞式平衡阀的井下安全阀 | |
CN102392619B (zh) | 一种油管携带可回收井下安全阀 | |
CN203905899U (zh) | 一种地面控制井下安全阀 | |
CN2830637Y (zh) | 井下安全阀 | |
CN201087714Y (zh) | 双油管井口装置 | |
CN202646742U (zh) | 高压防积瘤节流截止阀 | |
CN112503186B (zh) | 一种双重密封石油管道用阀门 | |
CN105003673A (zh) | 高压法焊连接式带旁路排污平行闸阀 | |
CN201460812U (zh) | 一种箭形止回阀 | |
CN202209430U (zh) | 液控启闭阀 | |
CN201991519U (zh) | 双管测试井口装置 | |
CN201606031U (zh) | 一种单液缸驱动闸板防喷器 | |
CN104265188A (zh) | 一种智能转换接头 | |
CN201679455U (zh) | 连续油管动密封器 | |
CN204004491U (zh) | 一种在线更换填料的倒密封暗杆平板闸阀 | |
CN204042151U (zh) | 一种速关截止阀 | |
CN201202438Y (zh) | 杆驱螺杆泵杆管安全阀 | |
CN204532250U (zh) | 远程高压开井紧急切断装置 | |
CN201401148Y (zh) | 扩张式胶塞密封防喷盒 | |
CN201865623U (zh) | 一种带压力平衡孔耐高低温平板阀 | |
CN202659949U (zh) | 自紧式密封球阀 | |
CN202441928U (zh) | Y型多功能阀门 | |
CN201763984U (zh) | 平行双撑板闸阀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang weiqixin Petroleum Machinery Co., Ltd. Assignor: Hu Dingqing Contract fulfillment period: 2008.5.25 to 2016.5.25 Contract record no.: 2009330002007 Denomination of utility model: Subsurface safety valve having steel-ball type compensation valve Granted publication date: 20080521 License type: Exclusive license Record date: 20090818 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.25 TO 2016.5.25; CHANGE OF CONTRACT Name of requester: ZHEJIANG WEIQIXIN PETROLEUM MACHINERY CO., LTD. Effective date: 20090818 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20140718 |
|
EXPY | Termination of patent right or utility model |