Cracking agent precision control method

• Main Authors: XIE PING, TAN AIBING, ZUO TING
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• 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

The invention belongs to an automatic and accurate control method for adding amount of gel breaker in petroleum fracturing construction, and is characterized in that a gear speed reducer (1) is connected with a spiral hydraulic motor via a shaft joint, a case (6) of gel breaker is fixed at one end of the gear speed reducer (1) via a flange (2), a screw (3) penetrates the case (6) of gel breaker and is connected with an output shaft of the gear speed reducer (1), the lateral wall of the case (6) of the gel breaker is provided with an extended pipeline of the screw (3), a discharge hole (5) is installed below the pipeline, a quick card (4) is sealed on the port of the extended pipeline of the case (6) of the gel breaker, and the screw (3) is limited on a horizontal axis of the screw (3) andthe output shaft of the gear speed reducer (1); and the spiral hydraulic motor drives spiral rotation by control signals of a singlechip or a manual knob and the gel breaker is added to fracturing fluid. Truthful data of addi