DE1426727U - - Google Patents

Info

Publication number

DE1426727U

DE1426727U DENDAT1426727D DE1426727DU DE1426727U DE 1426727 U DE1426727 U DE 1426727U DE NDAT1426727 D DENDAT1426727 D DE NDAT1426727D DE 1426727D U DE1426727D U DE 1426727DU DE 1426727 U DE1426727 U DE 1426727U

Authority

DE

Germany

Prior art keywords

cylinder

piston

lubricating

well

pressure

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.)

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Links

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• 239000000463 material Substances 0.000 claims description 4
• 239000004519 grease Substances 0.000 claims description 3
• 230000001050 lubricating effect Effects 0.000 claims 2
• 238000005553 drilling Methods 0.000 description 2
• XYKWNRUXCOIMFZ-UHFFFAOYSA-N tepoxalin Chemical compound C1=CC(OC)=CC=C1N1C(C=2C=CC(Cl)=CC=2)=CC(CCC(=O)N(C)O)=N1 XYKWNRUXCOIMFZ-UHFFFAOYSA-N 0.000 description 2
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
• 229910001060 Gray iron Inorganic materials 0.000 description 1
• 229910000760 Hardened steel Inorganic materials 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000003466 anti-cipated effect Effects 0.000 description 1
• 229910052802 copper Inorganic materials 0.000 description 1
• 239000010949 copper Substances 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 230000003716 rejuvenation Effects 0.000 description 1
• 239000004576 sand Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1