Casing running tool under top drive
Category:
Test
Author:
Northern Double Jia
Source:
Northern Double Jia
Publish time:
2021-03-09 14:14
[Summary description]
Casing running tool (CRT) is a new casing running technology that takes full advantage of top drive drilling.
The top drive casing running system (CRT) is a new casing running technology that leverages all the advantages of top drive drilling. It allows the casing string to simultaneously rotate, be lifted and lowered, and circulate drilling mud during casing running, maximizing the chances of successfully running the casing to the bottom of the well. This significantly improves the success rate, efficiency, and safety of casing running operations, offering significant advantages in oilfield casing running, especially in challenging operations such as large-deviation wells and horizontal wells.
Main Technical Features
Precise control of the top torque via an intelligent monitoring system improves casing running quality.
Hydraulic or mechanical drive enables automated casing running, reducing labor intensity.
Compared to traditional casing running methods, it eliminates the need for hydraulic casing tongs and other traditional equipment, reducing personnel and overall costs.
Simultaneous rotation and circulation during casing lowering significantly reduces friction, greatly improving the success rate of casing running operations.
It features safety and high efficiency.
Shuangjia Company CRT Development Status
1. Shuangjia Company started developing top drive casing running systems in 2011;
2. Four series of casing running systems have been developed: hydraulic and mechanical types.
1. Hydraulic Internal Casing Running System: IHCRT type
2. Hydraulic External Casing Running System: EHCRT type
3. Mechanical External Casing Running System: EMCRT type
4. Connector External Casing Running System: CEHCRT type
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