SURFACE CLOSE PROXIMITY WELLS

摘要

An offshore oil production system, comprising a structure in a body of water, having a portion extending above a surface of the body of water; a first surface wellhead located at a top of the body of water; a second surface wellhead located at a top of the body of water; a first wellhead located at a bottom of the body of water; a second wellhead located at a bottom of the body of water; a first riser extending from the first wellhead to the first surface wellhead; and a second riser extending from the second wellhead to the second surface wellhead; wherein the first surface wellhead is a distance of less than about 12 feet from the second surface wellhead.