1Ray T. Oskarsen, John W. Wright. Rotating Magnetic Ranging Service and Single Wire Guidance Tool Facili- tates in Efficient Down- hole Well Connections[ J]. So- ciety of Petroleum Engineers, 2009 (5) : 17 - 19.
2Oskarsen Ray. T,Wright John. W. Down - hole well con- nections by use of rotating - magnetic - ranging - Service and single - wire - guidance tool ( J). Journal of Petroleum Technology, 2009 ( 5 ) : 75,77,82.
4Tracy L,Grills P. Magnetic ranging technologies for drilling steam assisted gravity drainage well pairs and unique well geometries-a comparison of technologies[R]. SPE 79005,2001:1-8.
6Partt C K, Hartman R A. A magnetostatic well trackingtechnique for drilling of horizontal parallel wells [R] .SPE 28319, 1994.
7Kuckes A F, Hay R T, McMahon J, et al. New elec.tromagnetic surveying/ ranging method for drilling paral.lel horizontal twin wells [R] . SPE 27466, 1996.
8Nekut A G, Kuckes A F, Titzer R G. Rotating magnetranging.a new drilling guidance technology [C] .SPE 8th one day conference on horizontal well technolo.gy, Canadian, 2001.
9Ray T O, Wright J W, Winter D, et al. Rotating mag.net ranging service and single wire guidance tool facili.tates in efficient downhole well connections [R] . SPE119420, 2009.
