Production shoe

Details Production shoe Production shoe

1976-10-07

1978-05-16

Leppink, James A.

Wells

Conduit wall or specific conduit end structure

Downhole coupling or connector

166328, 166241, E21B 1714, E21B 4300

Patent

active

040893715

ABSTRACT:
An internally tapered production shoe for securing to the bottom of production tubing having no sharp projections, thereby permitting the removal of wireline tools from an initial location below the shoe without snagging. The shoe is particularly useful for slanted boreholes. The wireline tool being carried by a wheeled locomotive further minimizes attendant friction problems.

REFERENCES:
patent: 672556 (1901-04-01), Hunick
patent: 1431872 (1922-10-01), Cater
patent: 1600956 (1926-09-01), Duckworth
patent: 1914251 (1933-06-01), Gordon
patent: 2362403 (1944-11-01), Reynolds

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