【作者】 霍淑芹；

【导师】 李椿； 胡秀杰；

【作者基本信息】 东北石油大学 ， 地质工程， 2012， 硕士

【摘要】 东部过渡带一条带面积3.5km~2，地质储量1535.9万吨。分基础和加密两套层系开发，共8个油层组51个小层。目前基础井网注水井16口，采油井37口；加密井网注水井45口，采油井44口，总计142口。经过40多年的注水开发，由于单井钻遇油层少，特别是经过加密调整后，剩余油具有性质更差、平面上分布很不均衡、纵向上高度分散的特点。经过多年的注水开发、调整，平面矛盾和层间矛盾都十分突出，开发效果差。为了提高开发效果，有必要开展精细的地质综合评价，确定剩余油分布及其主控因素，开展层系井网互补和适应性研究。合理利用已有井网，进行层系加密、重新组合，进而改善开发效果。本文提出了适用于过渡带的开发调整思路，即通过加密井网与基础井网的互补，缩小井距完善窄小砂体注采关系，改善过渡带水驱开发效果。经过两年的科研攻关，开辟了层系互补研究区，总结了层系互补的技术界限及注水调整方法，并对实施后的含水、含水上升率、采出程度、采油速度、水驱控制程度等指标变化规律进行研究，总结出过渡带层系互补方法，并进行了推广实施，取得较好的效果。更多还原

【Abstract】 The eastern belt of transition first belt which area is3.5km2has geological reserves of15359000tons. This area was developed by two layer systems-basic system and encryptssystem. There are8oil groups of51layers. Currently basic well pattern has16water wellsand37oil wells; encrypts well pattern has45water wells and44oil wells, so there are total of142walls. After40years development by water injection, because the single well drilled lessoil layers, especially after infilling adjustment, residual oil has the characteristics of worsenature, plane distribution is very uneven, highly decentralized longitudinal. After years ofwater flooding development and adjustment, flat contradiction and different layerscontradiction are very prominent, so the development effect is poor. In order to improve thedevelopment effect, it is necessary to carry out fine geologic comprehensive evaluation todetermine the remaining oil distribution and its main controlling factors; carry out layerscomplementary test and adaptive research. Rational use existing well pattern to undertakelayers encryption and reset, so as to improve the development effect.This paper presents an adjusted thought for the development of the transition belt, i.e.through complementary between basic well pattern and encrypts well pattern to narrow thedistance among wells, perfect narrow sand body of injection-production relationship, improvethe development effect of water flooding in transition belt. After two years of scientificresearch, we opened up layers complementary research area and summed up the layerscomplementary technical limit and water injection adjustment method. Then we researchedthe change rules,and summed up the method of transition belt layers complementary. Wepromoted this method and carried it out, and good results were obtained.更多还原