JPH01147091U - - Google Patents

Info

Publication number

JPH01147091U

JPH01147091U JP4316188U JP4316188U JPH01147091U JP H01147091 U JPH01147091 U JP H01147091U JP 4316188 U JP4316188 U JP 4316188U JP 4316188 U JP4316188 U JP 4316188U JP H01147091 U JPH01147091 U JP H01147091U

Authority

JP

Japan

Prior art keywords

mud

gutter

water injection

side gutter

intervals

Prior art date

1988-03-31

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
• 238000002347 injection Methods 0.000 claims description 5
• 239000007924 injection Substances 0.000 claims description 5
• 238000005406 washing Methods 0.000 claims 1
• 239000000428 dust Substances 0.000 description 1