CN216341998U - 外循环旁通阀 - Google Patents
外循环旁通阀 Download PDFInfo
- Publication number
- CN216341998U CN216341998U CN202122742912.4U CN202122742912U CN216341998U CN 216341998 U CN216341998 U CN 216341998U CN 202122742912 U CN202122742912 U CN 202122742912U CN 216341998 U CN216341998 U CN 216341998U
- Authority
- CN
- China
- Prior art keywords
- hole
- valve
- valve seat
- joint body
- wall
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 abstract description 24
- 239000012530 fluid Substances 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122742912.4U CN216341998U (zh) | 2021-11-10 | 2021-11-10 | 外循环旁通阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122742912.4U CN216341998U (zh) | 2021-11-10 | 2021-11-10 | 外循环旁通阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216341998U true CN216341998U (zh) | 2022-04-19 |
Family
ID=81137151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122742912.4U Active CN216341998U (zh) | 2021-11-10 | 2021-11-10 | 外循环旁通阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216341998U (zh) |
-
2021
- 2021-11-10 CN CN202122742912.4U patent/CN216341998U/zh active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101054968B (zh) | 液力抽油泵 | |
CN109555492B (zh) | 基于钻柱振动的井底环空钻井液降压装置及方法 | |
CN208502702U (zh) | 一种分流短节 | |
CN216341998U (zh) | 外循环旁通阀 | |
CN212201962U (zh) | 投球式液动多次开关旁通阀 | |
CN103925183A (zh) | 用于泥浆脉冲发生器上的轴向柱塞泵 | |
CN210598830U (zh) | 一种气体钻井用牙轮钻头水眼防倒流堵塞装置 | |
CN110454104A (zh) | 一种液压丢手送入工具 | |
CN103807222B (zh) | 双管水力射流泵 | |
CN106150384B (zh) | 动力钻具工作状态控制工具 | |
CN104790894A (zh) | 一种小井眼钻井减摩降阻提速工具 | |
CN108798500B (zh) | 一种用于动力钻具的液动冲击装置 | |
CN202955049U (zh) | 双管水力射流泵 | |
CN212958562U (zh) | 一种可重复使用的旋转式泄油器 | |
CN201288859Y (zh) | 一种带阀套的板式单向阀 | |
CN210768599U (zh) | 一种钻井用水力脉冲发生器 | |
CN205135465U (zh) | 一种近钻头可调控钻压短节 | |
CN211474057U (zh) | 一种强制式箭形钻具止回阀 | |
CN213419056U (zh) | 一种双壁钻具用单向阀 | |
CN207453900U (zh) | 一种液力式连续加压送钻工具 | |
CN212406636U (zh) | 平顶箭形止回阀 | |
CN215487944U (zh) | 液动带波纹管截止阀 | |
CN109915052A (zh) | 无杆泵正反循环洗井阀 | |
CN221002658U (zh) | 压力剪切旁通接头 | |
CN216867136U (zh) | 立柱液控单向阀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: External circulation bypass valve Effective date of registration: 20230329 Granted publication date: 20220419 Pledgee: Longjiang Bank Co.,Ltd. Mudanjiang Ping'an Branch Pledgor: Mudanjiang Tongyong Petroleum Tool Co.,Ltd. Registration number: Y2023230000032 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220419 Pledgee: Longjiang Bank Co.,Ltd. Mudanjiang Ping'an Branch Pledgor: Mudanjiang Tongyong Petroleum Tool Co.,Ltd. Registration number: Y2023230000032 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: External circulation bypass valve Granted publication date: 20220419 Pledgee: Longjiang Bank Co.,Ltd. Mudanjiang Ping'an Branch Pledgor: Mudanjiang Tongyong Petroleum Tool Co.,Ltd. Registration number: Y2024980017349 |