DE1550436C - - Google Patents

Info

Publication number

DE1550436C

DE1550436C DE1550436C DE 1550436 C DE1550436 C DE 1550436C DE 1550436 C DE1550436 C DE 1550436C

Authority

DE

Germany

Prior art keywords

valve

slide

pump

liquid

riser

Prior art date

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.)

Active

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 239000007788 liquid Substances 0.000 claims description 32
• 239000012530 fluid Substances 0.000 description 3
• 239000012188 paraffin wax Substances 0.000 description 3
• 239000003208 petroleum Substances 0.000 description 3
• 238000001816 cooling Methods 0.000 description 2
• 230000002706 hydrostatic effect Effects 0.000 description 2
• 239000003921 oil Substances 0.000 description 2
• 230000001174 ascending effect Effects 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000011010 flushing procedure Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 210000000056 organ Anatomy 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 238000006748 scratching Methods 0.000 description 1
• 230000002393 scratching effect Effects 0.000 description 1
• 239000013049 sediment Substances 0.000 description 1