| 摘要 |
<p>31 A B S T R A C T METHOD OF SEALING AN ANNULAR SPACE IN A WELLBORE A METHOD OF SEALING A SPACE IN A WELLBORE FORMED IN AN EARTH FORMATION, THE METHOD COMPRISING THE STEPS OF 5 INSERTING A PLURALITY OF SWELLEABLE PARTICLES INTO SAID SPACE, THE PARTICLES BEING SUSCEPTIBLE TO SWELLING UPON CONTACT WITH A SELECTED FLUID, AND INDUCING SAID SELECTED FLUID TO CONTACT THE SWELLEABLE PARTICLES WHEREBY THE SWELLEABLE PARTICLES SWELL SO AS TO FORM A 10 BODY OF SWOLLEN PARTICLES IN SAID SPACE. AO@ 9</p> |
