Surveying method for locating target subterranean bodies

Details Surveying method for locating target subterranean bodies Surveying method for locating target subterranean bodies

1989-03-01

1990-09-18

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

175 45, 324346, E21B 704, E21B 47022, G01V 308, G01V 326

Patent

active

049571729

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: 4072200 (1978-02-01), Morris et al.
patent: 4372398 (1983-02-01), Kuckes
patent: 4443762 (1984-04-01), Kuckes
patent: 4480701 (1984-11-01), Baldwin
patent: 4700142 (1987-10-01), Kuckes

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