DE1513574U - - Google Patents

Info

Publication number

DE1513574U

DE1513574U DENDAT1513574D DE1513574DU DE1513574U DE 1513574 U DE1513574 U DE 1513574U DE NDAT1513574 D DENDAT1513574 D DE NDAT1513574D DE 1513574D U DE1513574D U DE 1513574DU DE 1513574 U DE1513574 U DE 1513574U

Authority

DE

Germany

Prior art keywords

drill

column

well

drilling

hanger

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

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• 230000002028 premature Effects 0.000 claims description 5
• 239000002184 metal Substances 0.000 claims description 3
• 229910052751 metal Inorganic materials 0.000 claims description 3
• 238000005553 drilling Methods 0.000 description 14
• 239000000428 dust Substances 0.000 description 6
• 229910001060 Gray iron Inorganic materials 0.000 description 2
• 239000000725 suspension Substances 0.000 description 2
• TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
• 241000251468 Actinopterygii Species 0.000 description 1
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
• 238000005299 abrasion Methods 0.000 description 1
• 239000004519 grease Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 230000003313 weakening effect Effects 0.000 description 1