解堵综合配套技术在孤东油田的应用

Application of a Series of R elease Techniques from Jam in Gudong Oilfield

(胜利油田有限公司孤东采油厂)

East Gudao O il P roduction P lant,
ShengliO ilfield Co. Ltd. , SINOPEC, Dongying 257237,
China

Th is paper investigates m any causes o f we ll jam and
summ ar izem any types o f jam s. Obviously, it is im po ssib le to
use only one me thod to these m any types of com plex jam s.
A im to these m any causes of we ll jam, w e respectiv ely adopt
d ifferen t m easures, such as shak ing release techn ique to
vapour- in ject w e l,l chem ical re lease techn ique to deep jam
po lyme r- inject we l,l w ater dissever technique to sha llow jam to
po lyme r- in ject w el,l pu lse release techn ique to the jam o f
sand-preven t p ipe. These techn iques have successfully used in
44 w ells and 37 w ells and ga ined 205, 20 tons o i.l It
procla im ed that tho se release techn iques can effective ly
re lease a ll of the d ifferent jam s.