詳細(xì)說(shuō)明

Product Introduction：

? Provide a cementing circulation channel during the cement injection process at the top of the sieve tube

? Deep well graded cementing

Performance characteristics：

? Hydraulic opening and closing to meet the needs of horizontal well construction

? Design of rubber plug anti rotation structure to improve drilling plug construction efficiency

? Unique structural design, which can meet the needs of large diameter and avoid damage to grading hoops caused by drilling plug construction