Side entry apparatus and method

Details Side entry apparatus and method Side entry apparatus and method

2008-07-01

2008-07-01

Wright, Giovanna C (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S242500

Reexamination Certificate

active

11485706

ABSTRACT:
An apparatus for lowering wireline into a well. The apparatus comprises a sleeve having a first and second end, wherein the first end contains a first plurality of wedges and the second end contains a second plurality of wedges. The apparatus further includes an upper mandrel having a third plurality of wedges that are configured to engage the first plurality of wedges and a first sub configured to engage the upper mandrel, wherein the upper mandrel contains a first and second passage, and wherein the first passage is configured to receive the wireline. The apparatus further comprises a lower mandrel having a fourth plurality of wedges that engage with the second plurality of wedges, and a second sub configured to engage the lower mandrel, wherein the second sub contains an opening that has the lower mandrel disposed there through.

REFERENCES:
patent: 3369600 (1968-02-01), Bohlmann, Jr.
patent: 4506729 (1985-03-01), Davis et al.
patent: RE33150 (1990-01-01), Boyd
patent: 5950744 (1999-09-01), Hughes
patent: 5996712 (1999-12-01), Boyd
patent: 6244345 (2001-06-01), Helms
patent: 6860525 (2005-03-01), Parks
patent: 7104345 (2006-09-01), Eppink

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