詳細說明
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