SYSTEM AND METHOD FOR SIMULATION OF INTERACTION OF REAMER AND BIT Russian patent published in 2015 - IPC E21B10/00 

FIELD: measurement equipment.

SUBSTANCE: group of inventions relates to a method and a system of simulation of cutting structures of a reamer and/or a bit. According to the simulation method of cutting structures, productivity data relating to the cutting structure is taken, a characteristic curve relating to the cutting structure is calculated using the productivity data, with that, the characteristic curve is built either on the basis of weight, or on the basis of torque moment, and the characteristic curve is saved, with that, the cutting structure is related to a drilling bit of a bottom-hole assembly (BHA), and additionally, BHA includes a reamer, with that, a variety of positions of neutral points between the drilling bit and the reamer is calculated considering BHA buoyancy and inclination. The simulation system of cutting structures includes an interface to receive productivity data relating to the cutting structure, a processor for calculation using the productivity data of the characteristic curve relating to the cutting structure, with that, the characteristic curve is built either on the basis of weight, or on the basis of torque moment, and memory for saving the characteristic curve, with that, the cutting structure is related to BHA drilling bit, and additionally, BHA includes a reamer, with that, the processor can also calculate a variety of positions of neutral points between the drilling bit and the reamer considering BHA buoyancy and inclination.

EFFECT: calculation of a characteristic curve of a cutting structure and in effective choice of a cutting structure.

30 cl, 30 dwg