荧光图像技术定量识别油层水淹程度

Quantitative identificat ion of reservo ir w atered- out
degree by using f luore scencem icroscopic image technique

文慧俭1 申家年1 耿长喜2 左铁秋2

W en Huijian  , Shen Jianian, G eng Changxi ,et al.

1. 大庆石油学院, 黑龙江大庆163318; 2. 大庆油田有限责任公司地质录井分公司, 黑龙江大庆163411

Daqing P etroleum Institute, Daqing
163318, China

There is ev idently different in that fluorescent co lo r and
fluorescent intensity o f po re flu id composing o f o il- aspha lt,
ge l- aspha lt and w ater. So thew atered- out degree is judged
based on the d ive rsity o f fluo rescence co lors, fluo rescence
intensity and lum inescence a rea. Th is paper po ints out that
the re jection w ate r rising w hich can cause the contents of oil
- aspha lt, ge l - aspha lt dynam ic chang ing is the ma in ly
reason tha t br ings var iations in fluo rescence co lors,
fluorescence intensity and lum inescence area. Then the
characteristics and var iations of rock samp le fluo rescence
m icroscopic im age w ith w ater bearing ratio r is ing are stud ied
and quantity standard o f fluo rescence w ave leng th and relativ e
intensity is proposed. From th is, the quantity standard to
identify wa ter flooding degree is established based on sea ling
co re drilling w ell da ta. A ctua l filed data is pro cessed by us ing
this technique and pro cessing result indicated that
interpretation agreem ent rate reaches 77%, wh ich establishes
pow erfu l theory founda tion to identify w atered - out degree
automa tica lly and quantitative ly by us ing com puter in the
future and has an im po rtant va lue in fie ld application