钻采工艺
鑽採工藝
찬채공예
DRILLING & PRODUCTION TECHNOLOGY
2001年
2期
46-47
,共2页
压裂%封隔器%原理%应用
壓裂%封隔器%原理%應用
압렬%봉격기%원리%응용
介绍一种新型水力压差式封隔器(专利号：ZL96 2 12595.4)，该型封隔器采用分体组合式，双液缸，双级胶筒密封，直连喷砂体的结构，具有结构简单，坐封方便，逐级解封载荷轻且可靠，反洗通畅，易解卡，耐压差大等优点，满足中深井的一次多层压裂工艺的需要。
介紹一種新型水力壓差式封隔器(專利號：ZL96 2 12595.4)，該型封隔器採用分體組閤式，雙液缸，雙級膠筒密封，直連噴砂體的結構，具有結構簡單，坐封方便，逐級解封載荷輕且可靠，反洗通暢，易解卡，耐壓差大等優點，滿足中深井的一次多層壓裂工藝的需要。
개소일충신형수력압차식봉격기(전리호：ZL96 2 12595.4)，해형봉격기채용분체조합식，쌍액항，쌍급효통밀봉，직련분사체적결구，구유결구간단，좌봉방편，축급해봉재하경차가고，반세통창，역해잡，내압차대등우점，만족중심정적일차다층압렬공예적수요。
The paper presents a new type of hydraulic differential packer (Patent NO.ZL 96212595.4).The packer adopts the structures of double hydraulic cylinder,double stage packing element sealing and direct wire sand blasting mass.It has many advantages,such as simple structure,convenient setting,easy unfreezing and pressure resistance etc..The packer can meet the needs of multizone fracturing technology in mid-deep well.
