文档介绍：单家寺稠油综合递减控制方法及下步措施
摘要:单家寺稠油油田是胜利油田投入热采开发最早的稠油油藏,它位于滨县凸起南坡,主要含油层系有馆陶组、东营组、沙一段和沙三段,,×104t。目前已投入开发区块有单2、单10、单6西、单56、单83和单113块,,地质储量7911×104t,%。单家寺油田稠油油藏按原油粘度分类表,普通稠油动用储量1982万吨,%;特稠油动用储量4356万吨,%;超稠油动用储量984万吨,%;特超稠油动用储量589万吨,%。
关键词:单家寺;稠油;递减;控制。
中图分类号:TE345文献标识码: A
Abstract: the single family temple viscous crude oil field is the earliest development of heavy oil reservoir of shengli oilfield into thermal recovery, it raised a marina county south slope, the main oil-bearing series are guantao and dongying group, the sand for a period of three sections, and sand so far has proven oil bearing area of Km2, proven oil geological reserves of x 104 t. Now in development blocks have a single 2, 10 single, single 6 west, single, 56, 83 and 83, the use of oil bearing area of Km2, geological reserves of 7911 x 104 t, with recovery of %. Single family temple oil field according to the classification of crude oil viscosity of heavy oil reservoir, ordinary heavy oil producing reserves of million tons, accounting for % of the total reserves; Producing reserves of heavy oil million tons, accounting for % of the total reserves; This use of reserves of million tons, accounting for % of the total reserves; , this use of reserves of million tons, accounting for % of the total reserves.
Key words: single family temple; Heavy oil; Decreasing; Control.
中图分类号:TE133文献标识码:A
开发中存在的主要矛盾
一是老区严重水淹,平面剩余油分布零散单稠油自2006年起,先后进行了加密、调整、新建等共投产新井302口,综合含水基本稳定在85%,一定程度掩盖了老区水淹的加剧,但自2010年后,新井投产井数减少,老区含水上升明显,%%。二是汽窜程度加剧,纵向动用程度差异大目前单稠油汽窜井次已由2008年164井次上升至237井次,汽窜现象由单对发展成多对向汽窜,同层汽窜发展为不同层间管外汽窜,汽窜影响产量逐年加大。三是油井况日益恶化,油井治理难度加大目前我矿投产油井689口,长期停产井324口,%,因套损长停65口,带病生产井31口,其中8口为2012年治理后带病生产,给后续治理带来隐患。
二、单家寺稠油综合递减控制方案实施情况
转变开发思路,精细井层分析,笼统注汽改为分层注汽
为了进一步改善纵向油层动用不均衡的问题,近年来共实施各类分层注汽4井次均取得了一定的效果,,累计增油5864t。