Method And Apparatus To Enable Toolstring To Negotiate Obstructions Downhole
AssigneeSchlumberger Technology Corporation
InventorPierre O. Gourmelon
Life of this patent
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Abstract
An apparatus to allow a toolstring to negotiate obstructions in a well includes an elongated body, a centralizer connected with the elongated body; and a nose connected with an end of the elongated body. The nose actuates the centralizer when moved towards the centralizer.
Claims14
An apparatus to allow a toolstring to negotiate obstructions in a well, wherein the apparatus comprises:
- an elongated body;
- a centralizer connected with the elongated body;
- and
- a nose connected with an end of the elongated body, wherein the nose actuates the centralizer when moved towards the centralizer.
A method of negotiating obstructions while running a toolstring in a well, wherein the method comprises:
- running a toolstring into a well;
- encountering an obstruction in the well, wherein the obstruction applies an axial force to a nose of an apparatus located at the distal end of the toolstring, moving the nose;
- and
- actuating a centralizer when the nose is moved.
A system for use in a well, wherein the system comprises:
- a toolstring;
- and
- an apparatus connected with the toolstring, wherein the apparatus allows the toolstring to negotiate obstructions in a well, and wherein the apparatus comprises:
- an elongated body;
- a centralizer connected with the elongated body;
- and
- a nose connected with an end of the elongated body, wherein the nose actuates the centralizer when moved towards the centralizer.
The system of claim 12, wherein each of the arms of the plurality of arms has a wheel connected therewith.
Dependencies are inferred from the claim text.