MID_K电磁探伤成像测井仪在长庆油田的应用.doc

文章编号 :1004Ο1338 (2007) 04Ο0373Ο07 M IDΟK 电磁探伤成像测井仪在长庆油田的应用 李 强1 , 许庆英1 , 刘东明1 , 刘红升1 , 张绍宁2 , 李爱荣1 (1 . 中国石油集团测井有限公司长庆事业部 , 陕西 高陵 710201 ; 2 . 中国石油长庆油田分公司 勘探开发研究院 , 陕西 西安 710021) 摘要 : 介绍了俄罗斯 M IDΟK 电磁探伤成像测井仪的原理及特点 。采用曲线对比法和交会法研究了仪器的重复 性 、一致性 ,结果表明其纵向探头的重复性 、一致性好 ,横向探头的灵敏性高 。通过对长庆油田 2 口井 M IDΟK 测井 资料的分析以及与多臂成像仪 M I T 、磁法测厚仪 M T T 、磁测 18 臂组合测井资料的对比 ,指出 M IDΟK 电磁探伤成 像测井仪的测量精度和灵敏度远高于 M T T ;它可以隔油管识别套管的腐蚀情况 ; 还具备在单层套管中检查射孔孔 眼的功能 。 关键词 : 天然气井 ; 电磁探伤测井仪 ; 多层管柱 ; 应用 中图分类号 : P6311 32 文献标识码 : A Appl icat ions of M IDΟK Electromagnet ic Fla w Detect ion Imaging Well Logging Apparatus in Changqing Oilf ield L I Qia ng1 , XU Qing2ying1 , L IU Do ng2ming1 , L IU Ho ng2sheng1 , Z HA N G Shao2ning2 , L I Ai2ro ng1 ( 1 . Chi na Pet roleu m Lo ggi ng CO . L TD. , Gaoli ng , Shaa nxi 710201 , Chi na ; 2 . E D In stit ut e , Changqi ng Oilfiel d Sub sidia r y , Pet ro Chi na , Xi′an , Shaanxi 710021 , Chi na) Abstract : Int ro duce d a re p ri ncip le a nd cha ract er s of Ru ssia n MD IΟK elect ro ma gnetic f law det ec2 tio n i ma gi ng well lo ggi ng app a rat u s. St udied a re it s rep eat a bilit y a nd co n si st e ncy by mea n s of cur ve s co nt ra di sti ngui shi ng a nd cro ss2p lo t ti ng. The re sult s i ndicat e t hat t he co n si st e ncy a nd re2 p eat a bilit y of it s ve r tical p ro be a nd t he se n sitivit y of it s t ra n sver se p ro be a re rat her goo d . B y ca se st udie s of 2 well s i n Cha ngqi ng oilfiel d , co mp a ri so n of t he M IDΟK lo ggi ng dat a wit h dat a of t he M ulti2Fi nger Ima gi ng Tool ( M I T) , Ma gnetic Thic k ne ss Tool ( M T T) a nd 182a r m calip e r co mbi2 natio n sho w s t hat t he se n sitivit y of M IDΟK i s much hi gher t ho n t hat of t he lat er ; a nd M IDΟK i s cap a ble to det ect co r ro sio n of ca si ng t h ro ugh2t u bi ng , a s well a s to i n sp ect p erfo ratio n hole i n si n2 gle2ca si ng too . Key words : ga s well , elect ro magmetic flaw detecto r , multilayer pip