Study On Scheme Optimization Of Outstep Wells In Sabei Transition Belt

Sabei transiti on belt( Hereina fter referre d to as the Nort h over) A ~ three bands and put i nto development in 1973. Mi ning object: A sprinkl e, sprinkl e t wo, three and spri nkle part of a group of Portuguese oil; Four bel t is located in Daqing oil field Changyuan S aertu over t he edge of t he North and Eas t, 1989 into the development and ex ploitation of groups of S a 1 and Sa 2 the upper reservoir. To prevent the outflow of crude oil. Edge well s are production wells.Statisti cal analys is of four oil well s with the outer edge of the development status and product ion status seen, the outer edge of the clot h i s not well region still has a cer tain reservoir thickness. To furt her cl arify Sabei transitional four band continued to expand outsi de of the feasibility of developing, 1998 respec ti vely in the nort h and east to carry out t he t ransiti on zone to ex pand outsi de transitional Potential Fi eld Test. Ext ernal ex pansion ex perim ents show, Sabei transition bel t has t he potent ial to further tap the potential of foreign ex pansion.Development of Daqing Oil field has entere d the lat e hi gh water cut. To ensure no loss of oi l reserves. In crease recove rable res erves potential for foreign expansion has been studi ed wit h four, working out and spreading well desi gn. Spud in early 2004 to ex pand outstep wel ls,2004 June 13 wells to come on stream estuary expansion, four with 8 wells turn raw edge Note. The l att er part of the transit ion belt between t he northern layer of cont radiction pressure l evel is not balance d, the aqueous layer is ri sing faster in some wells, thus cont inue to deepen understanding of the reservoir, technology as a means to adj ust subdi vision, classifi cation governance. According to the actual situati on of macro-cont rol shut, in order to avoi d t he formation surrounding the well water wi th excessive pressure rise, progr am in a timely m anner on the surrounding injection wells were adjusted accordingly. By adjusti ng, it reac hed t he underground situation stabilizing effect. Since t he initial product ion run of the block did not rea ch the forecast level, therefor e, the program has been optimized late adj ustment.Simultaneously, data provided by the belt well as enrich the geological data bl ocks, fi ve, six reserves wit h the assessment and exploitation of the possibility of providing a factual basis.