Patent Number: 8,875,806

Title: Formation dip geo-steering method

Abstract: A method of drilling a subterranean well from a surface location. The method comprises estimating a target formation depth, estimating a target formation dip angle and calculating a target line that creates a top and bottom of the target formation that forms a first projection window. The method further includes drilling within the first projection window, transmitting information from the subterranean well and projecting a target deviation window. The method may further comprise ceasing the drilling of the well and performing a well survey so that well survey information is generated. The method may then include estimating a formation dip angle with the well survey information and rig surface equipment monitoring data, calculating a target line that creates a revised top and bottom of the target formation that forms a second projection window, and drilling within the second projection window.

Inventors: Williams; Danny T. (Katy, TX)

Assignee:

International Classification: E21B 25/16 (20060101); E21B 47/02 (20060101)

Expiration Date: 2019-11-04 0:00:00