Electrically-Controlled Puller For Oil-Well Casings.

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Description

Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.

Physical Description

[1], 2 p. : ill. ; 23 cm.

Creation Information

Dooley, William D. April 12, 1921.

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  • Dooley, William D. William D. Dooley, of Dallas, Texas, Assignor, by Mesne Assignments, to L. D. Bowser, of Dallas, Texas.

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  • Main Title: Electrically-Controlled Puller For Oil-Well Casings.
  • Added Title: Electrically Controlled Puller For Oil Well Casings.

Description

Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.

Physical Description

[1], 2 p. : ill. ; 23 cm.

Notes

"Application filed April 26, 1920. Serial No. 376,631."

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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Creation Date

  • April 12, 1921

Accepted Date

  • April 12, 1921

Submitted Date

  • April 26, 1920

Added to The Portal to Texas History

  • July 1, 2020, 8:02 a.m.

Description Last Updated

  • May 13, 2024, 9:14 p.m.

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Dooley, William D. Electrically-Controlled Puller For Oil-Well Casings., patent, April 12, 1921; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256687/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.

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