XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24.229910004682 ON-OFF Inorganic materials 0.000 claims description 40.210000002445 Nipples Anatomy 0.000 claims abstract description 24.238000005553 drilling Methods 0.000 claims abstract description 30. ![]() Tinker Priority to US09/438,418 priority Critical patent/US6315044B1/en Application granted granted Critical Publication of US6315044B1 publication Critical patent/US6315044B1/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US10797698P external-priority Application filed by Donald W. Tinker Priority date (The priority date 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.) Expired - Fee Related Application number US09/438,418 Inventor Donald W. Google Patents Pre-milled window for drill casingÄownload PDF Info Publication number US6315044B1 US6315044B1 US09/438,418 US43841899A US6315044B1 US 6315044 B1 US6315044 B1 US 6315044B1 US 43841899 A US43841899 A US 43841899A US 6315044 B1 US6315044 B1 US 6315044B1 Authority US United States Prior art keywords casing orientation window sleeve sub Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6315044B1 - Pre-milled window for drill casing ![]() US6315044B1 - Pre-milled window for drill casing
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