
基本信息:
- 专利标题: 一种取心用免投球工具
- 专利标题(英):Core with exempting from bowling instrument
- 申请号:CN201620128747.X 申请日:2016-02-19
- 公开(公告)号:CN205532424U 公开(公告)日:2016-08-31
- 发明人: 田宗正 , 司英晖 , 裴学良 , 张辉 , 于文涛 , 于波 , 宁仁磊 , 赵宗峰 , 庄伟 , 梁海明
- 申请人: 中石化石油工程技术服务有限公司 , 中石化胜利石油工程有限公司 , 中石化胜利石油工程有限公司钻井工艺研究院
- 申请人地址: 北京市朝阳区北辰西路8号北辰世界中心A座703
- 专利权人: 中石化石油工程技术服务有限公司,中石化胜利石油工程有限公司,中石化胜利石油工程有限公司钻井工艺研究院
- 当前专利权人: 中石化石油工程技术服务有限公司,中石化胜利石油工程有限公司,中石化胜利石油工程有限公司钻井工艺研究院
- 当前专利权人地址: 北京市朝阳区北辰西路8号北辰世界中心A座703
- 代理机构: 东营双桥专利代理有限责任公司
- 代理人: 侯华颂
- 主分类号: E21B25/00
- IPC分类号: E21B25/00
The utility model relates to a core with exempting from bowling instrument in the oil and natural gas drilling operation instrument field. It is including dividing water swivel 7 and set up the bleeder 6 on minute water swivel 7, connects hollow body 3 in the one end of minute water swivel 7, sets up piston 1 and spring 2 in the body 3, and 3 bottoms of body are connected the flow and are set upright or straight dish 4, and dish 4 was set upright or straight to the flow periphery is equipped with metering orifice 5, and wherein piston 1 and the sealed cooperation of body 3 open -top, spring 2 lie in piston 1 and set upright or straight with the flow and coil between 4. The utility model has the advantages of: firstly, instrument simple structure, when inside spring became invalid, it was simple to change spare part, secondly, safe and reliable does not worry that it drops into steel ball production potential safety hazard to dismantle the drilling rod.
IPC结构图谱:
E | 固定建筑物 |
--E21 | 土层或岩石的钻进;采矿 |
----E21B | 土层或岩石的钻进;从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
------E21B25/00 | 提取原状岩心装置,例如,岩心筒、岩心提取器 |