论文详情

渤海SZ36- 1油田注聚调剖井层的优选

断块油气田

2006年 13卷第01期

阅读：138

查看详情

Title

Optimization in Prof ile Improvement in Boha i SZ36-1 Oilfied

单位

( 1 油气藏地质及开发工程国家重点实验室, 西南石油学院 2 中国海洋石油基地集团有限公司采油技术服务公司

3. 西南油气田分公司四川东北气矿)

Organization

Gas & O il Reservoir Geology and
Deve lopment Engineer ing Lab, Southw est Petroleum
Institute, Chengdu 610500, China

摘要

渤海SZ36- 1油田处于注水开采初期, 油井产量较高, 由于流度比大、原油粘度

高等导致油井注入水突破而迅速见水, 现已进入三采阶段。考虑到不影响井的生产和尽量避

免对油井作业, 决定对注水井进行注聚来增产原油, 降低产水效果。SZ36- 1油田原油粘度

高, 层间纵向渗透率差异大, 地层非均质性极强, 注水井的吸水剖面不均, 水窜严重, 必须首先

优选注聚调剖井层。结合注聚井层优选标准和SZ36- 1注水井的实际生产情况, 进行了注聚

调剖的选井选层依据分析, 并优选了井层。

Abstract

SZ36-1 O ilfield w ith unconso lidated o il layers and h igh
o il v iscos ity is of larg e accum ulative th ickness and low
reservo ir temperature. A lthough in the ear ly production
per iod, SZ36􀀁1 field has stepped into the ternary production
stage for thew ater breakthrough caused by h igh m obility ratio
and h igh o il v iscosity. Syn thetically consider ing various
factors, po lym er flood ing is recomm ended and optim ization inprofile im provem ent must be conduc ted first fo r the d istinct
d ifference o f layer- layer perm eab ility, severe heterog ene ity as
w e ll as uneven w ater- in jection pro file. Integrating se lection
criter ion o f po lyme r- in jected we ll w ith actua l produc ing
perform ance, w e l-l section g ist is ana lyzed and treated we lls
and / or layers a re determ ined.

关键词：

水突破;聚合物驱;注水剖面;调剖;优选;

Keywords:

W ater breakthrough, Po lym er flooding,
W a ter injection pro file, Pro file improvem ent, Optim iza tion;

基金项目

DOI