SY/T 5840-1993
Laboratory test method of bridging and plugging materials for drilling (English Version)

Standard No.

SY/T 5840-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

Professional Standard - Petroleum

Status

Be replaced 2008-03

Replace By

SY/T 5840-2007

Latest

SY/T 5840-2007

Scope

This standard specifies the test method for plugging different lost circulation channels with lost circulation slurries prepared from bridging lost circulation materials for drilling. This standard applies to bridging and plugging materials for drilling.

SY/T 5840-1993 history

• 2007 SY/T 5840-2007 Recommended practice for laboratory testing of bridging materials for drilling fluids
• 1993 SY/T 5840-1993 Laboratory test method of bridging and plugging materials for drilling