Title:
逸泥を防止または処置するための抗井処理方法
Document Type and Number:
Japanese Patent JP4842132
Kind Code:
B2
Abstract:
A method of preventing or treating lost circulation during the drilling of a well comprises the addition, at concentration ranging between about 0.5 and 6 pounds per barrel, of water-dispersible fibers having a length between about 10 and 25 mm, for instance glass or polymer fibers, to a pumped aqueous base-fluid including solid particles having an equivalent diameter of less than 300 μm. The base-fluid with the solid particles can be the drilling fluid or a small-volume pill specially pumped for curing lost circulation.
Inventors:
Benoit, Bidick
Rafat, Abarth
Trevor, Munch
Roger, Keith
Eric, Nelson
Rafat, Abarth
Trevor, Munch
Roger, Keith
Eric, Nelson
Application Number:
JP2006529781A
Publication Date:
December 21, 2011
Filing Date:
May 10, 2004
Export Citation:
Assignee:
SCHLUMBERGER HOLDINGS LIMITED
International Classes:
C09K8/16; C09K8/24; E21B21/00; E21B33/138
Domestic Patent References:
| JP4030990B | ||||
| JPH11323322A | 1999-11-26 | |||
| JPS58109582A | 1983-06-29 |
Foreign References:
| EP1284248A1 | 2003-02-19 | |||
| US2894906A | 1959-07-14 |
Attorney, Agent or Firm:
Kenji Yoshitake
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Mari Asano
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Mari Asano