石油钻采工艺
石油鑽採工藝
석유찬채공예
Oil Drilling & Production Technology
2015年
5期
92-94
,共3页
桥式同心%分层注水%大斜度%工艺
橋式同心%分層註水%大斜度%工藝
교식동심%분층주수%대사도%공예
bridge concentric%separated layer water injection%highly deviated%technology
由于常规偏心分注技术、桥式偏心分注技术存在着测调成功率低、效率低、工作量大、作业风险大等诸多问题,提出了桥式同心分层注水工艺技术。该技术将可调式水嘴与配水器一体化集成,实现配水器中心通道内免投捞配水作业模式,通过地面可视化直读方式操作井下测调仪与配水器同心定位对接,实现流量测试与调配同步进行,具有较高的测调成功率和工艺效率。桥式同心分层注水工艺在长庆油田现场应用1664口井,施工成功率100%,分层测调合格率96.8%,平均单井测调时间4~6 h,具有一定的推广价值。
由于常規偏心分註技術、橋式偏心分註技術存在著測調成功率低、效率低、工作量大、作業風險大等諸多問題,提齣瞭橋式同心分層註水工藝技術。該技術將可調式水嘴與配水器一體化集成,實現配水器中心通道內免投撈配水作業模式,通過地麵可視化直讀方式操作井下測調儀與配水器同心定位對接,實現流量測試與調配同步進行,具有較高的測調成功率和工藝效率。橋式同心分層註水工藝在長慶油田現場應用1664口井,施工成功率100%,分層測調閤格率96.8%,平均單井測調時間4~6 h,具有一定的推廣價值。
유우상규편심분주기술、교식편심분주기술존재착측조성공솔저、효솔저、공작량대、작업풍험대등제다문제,제출료교식동심분층주수공예기술。해기술장가조식수취여배수기일체화집성,실현배수기중심통도내면투로배수작업모식,통과지면가시화직독방식조작정하측조의여배수기동심정위대접,실현류량측시여조배동보진행,구유교고적측조성공솔화공예효솔。교식동심분층주수공예재장경유전현장응용1664구정,시공성공솔100%,분층측조합격솔96.8%,평균단정측조시간4~6 h,구유일정적추엄개치。
Due to low success rate in testing, low efifciency, large workload and large work risks of conventional eccentric separate layer injection technology and bridge eccentric separate injection technology, this paper presents this bridge concentric separated layer water injection technology. This technology is capable of integrating the adjustable water nozzle with water distributor, realizing ifshing-free water distribution inside the central channel of water distribution. And the downhole tester can be operated through surface visualized direct reading to be concentrically positioned and connected with water distributor. This technology carries out lfow test and allocation simultaneously, having high successful rate in testing and high technological efifciency. This technology has been used in 1 664 wells in Changqing Oilifeld with 100% successful rate in operation and 96.8% acceptable rate in separate testing.The average single testing time is 4~6 h, and of some promotional value.