Surveying system and method for locating target subterranean bod

Details Surveying system and method for locating target subterranean bod Surveying system and method for locating target subterranean bod

1990-06-29

1992-04-14

Novosad, Stephen J.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 50, 175 61, 324346, 324356, 324369, E21B 704, E21B 47022, G01V 308, G01V 326

Patent

active

051039206

ABSTRACT:
An improved system for use in drilling a relief well to intersect a target blowout well. A probable location distribution is used to survey the location of the candidate relief wells and the blowout well. Through the use of the relative probable location distribution, the integral probabilities of find, intercept and collision are calculated. A relief well plan is then optimally designed to drill and insure a high integral probability of a find and intercept and a low probability of a collision. The method provided by the present invention allows a relief well to be drilled in a minimum time with minimum risk exposure.

REFERENCES:
patent: 3282355 (1966-11-01), Henderson
patent: 4372398 (1983-02-01), Kuckes
patent: 4443762 (1984-04-01), Kuckes
patent: 4480701 (1984-11-01), Baldwin
patent: 4529939 (1985-07-01), Kuckes
patent: 4700142 (1987-10-01), Kuckes

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