METHOD OF RUNNING DROWNED OIL WELLS

摘要

oil and gas production, extraction of oil from drowned wells. SUBSTANCE: method includes preliminary determination of level of fluid in well, drilling of side well bore from main bore and installation of downhole pumping equipment on bottom with subsequent extraction of oil. Temporary cement bridge is positioned according to invention in main bore beneath point of side-tracking. Side bore is drilled beneath dynamic level of fluid in well. On completion of it cement bridge is destroyed and drowned bottom hole of main bore of well is cemented at level of productive pool with placement of downhole pumping equipment on it. EFFECT: raised oil withdrawal from side bore of drowned well. 2 dwg