4. Wells
  5. Above ground apparatus
  6. External anchoring or bracing means

Petro-Drive, Inc.

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Casing hanger apparatus and method of installation therefor

Wells – Above ground apparatus – External anchoring or bracing means
Patent

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Hinged conductor casing for deviated driving and method therefor

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Hydrostatic shear pin

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Patent

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Method of installing a casing hanger

Wells – Processes – Placing or shifting well part
Patent

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