def pipe_soil_heat_transfer(lambda_soil, D, h0e):
    """
    :param lambda_soil: Heat conductivity of a soil, W/(m*K)
    :param D: Outer diameter of the pipe, m
    :param h0e: Equivalent depth of the gas pipeline axis, m
    :return: Pipe-soil heat transfer coefficient, W/m2*K
    """
    return (lambda_soil / D) * (0.65 + (D/h0e)**2)