Formation testing apparatus and method

Details Formation testing apparatus and method Formation testing apparatus and method

1992-10-22

1994-08-09

Melius, Terry Lee

Wells

Submerged well

Testing

166264, 166386, E21B 4301, E21B 4908

Patent

active

053357310

ABSTRACT:
The present invention provides an apparatus and method for testing a subterranean formation. The inventive apparatus comprises an internal-external differential pressure operated circulation tool, an external pressure operated drill stem testing tool, and an external pressure operated formation testing tool. The drill stem testing tool is positioned in the inventive apparatus beneath the circulation tool and the formation testing tool is positioned in the apparatus beneath the drill stem testing tool. In the method of the present invention, a testing string comprising the inventive apparatus is run into a well bore.

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Sales & Service Catalog-Halliburton Services, published by Halliburton Services, Inc., 1985, pp. 2530-2550.

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