无污染洗井管柱的设计及应用

W ashing Pipe String Design and Application in Charge of Pollution-freely

(中原油气高新股份有限公司采油四厂)

N o. 4 Oil Production P lant, Zhongyuan
O il& Gas H-iN ew Stock Co. L td. , SINOPEC, Puyang
457002, China

A ccording to the production characteristics of the oil gasbearing
fo rm ation, th is paper des igns and m anu factu res
feasib le w ash ing pipe str ing wh ich is in charge o f the post
po llution- freely. It has so lved the injury problem that the o il
w e ll produces to the sensitiveness o il gas-bearing fo rm ation in
process o f production of sm oking, improved re lease heat o f o il
w e llw ash. It produced actual conditions bette r pro tection o il
gas-bear ing form a tion to com bine to pro ceed from ang le o f the
cra ft, have avo ided w ash ing the w e ll liquid and contac t of the
o il gas-bearing form ation fundam enta lly, has reduced the
po llution to the thing tha t the o il reservo ir causes o f the w ell
liqu id of w ashing, lengthened exam ine pum p cy cle, reduced
production cost, sho rtened re lease o il we ll ho t arrang ing liquid
tim e afterw ashing, improved production effic iency and the o il
recovery rate.