坨142断块含水上升分析及治理对策

Analysis and Government Countermeasure on Water Cut R ise of Tuo142 Block

( 1 长江大学地球科学学院 2 胜利油田有限公司胜利采油厂)

A t present, the water cut o f Tuo142 block has reached
74%, the rate of o il production is 3. 19%. The rate of oil
production is high and w ater cut rises a qu icker phase o f
explo itation. This artic le ana ly ses w ate r cu t and in fluence
factor in v iew of the T142 block and thought that causes th is
b lock to w ater cut prim ary facto r wh ich inc ludes strong
heterogene ity, structure h igh infe rio r state fac to r as w ell as
p lane pressure unbalance, low forma tion pressure, b ig flu id
production intension and so on. Some measures can be taken
to reduce the rising w ater cut and resto re fo rma tion pressure
in the light o f the influence facto r o f wa ter cut rise wh ich has
abta ined a good effec t in some deg ress.