A system and method of cleaning an annular area in a well

• Main Authors: LARSEN, Arne Gunnar, MYHRE, Morten, ØSTVOLD, Arnold
• Format: Patent
• Language: English
• Published: 29.04.2021
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

A system and method of cleaning an annular area in a well (2), comprising: - a first pipe body (4) and a surrounding second pipe body (6); - a first annulus (8) containing a clean fluid (10), and a surrounding second annulus (12) containing contaminants (14); - a plurality of sets of holes (22) form...