método de operar um dispositivo de fundo de poço em um poço de petróleo, e, poço de petróleo apresentando um furo de sondagem e uma estrutura de tubulação

• Main Authors: FREDERICK GORDON CARL JR, ROBERT REX BURNETT, HAROLD J. VINEGAR, WILLIAM MOUNTJOY SAVAGE
• Format: Patent
• Language: Portuguese
• Published: 25.01.2011
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; TAPS; THERMAL INSULATION IN GENERAL; TRANSMISSION; VALVES; WEAPONS

A petroleum well having a communication system and a hydraulic system is provided. The petroleum well includes a borehole and a piping structure positioned within the borehole. The communication system supplies a time varying electric current downhole along the piping structure. The hydraulic system...