A scroll compressor having a motor and a compression mechanism section housed in a container, the compression mechanism section, comprising: an orbiting scroll formed by erecting a spiral lap on a panel board; a fixed scroll combined with the orbiting scroll and formed by erecting a spiral lap on a panel board; a main bearing member which is so placed as to set the orbiting scroll placed between the main bearing member and the fixed scroll and which works for holding a seal member; a compression chamber being defined between the orbiting scroll and the fixed scroll; a high-pressure region and a back pressure chamber defined on a back face of the orbiting scroll by the seal member; a back pressure chamber oil-feeding path for feeding lubricating oil from the high-pressure region to the back pressure chamber; and a compression chamber oil-feeding path for feeding lubricating oil from the back pressure chamber to the compression chamber; wherein the compression chamber oil-feeding path comprises a passage formed inside the orbiting scroll, and a recess portion formed in the panel board of the fixed scroll; one opening of the passage is periodically overlapped with the recess portion in accordance with rotating motion of the orbiting scroll so that the back pressure chamber and the compression chamber are intermittently communicated with each other; one opening of the back pressure chamber oil-feeding path passes back and forth through the seal member so that the high-pressure region and the back pressure chamber are intermittently communicated with each other; characterized in that the back pressure chamber oil-feeding path and the compression chamber oil-feeding path are placed in such a positional relation as to prevent co-occurrence of communication from the high-pressure region to the back pressure chamber and communication from the back pressure chamber to the compression chamber. an orbiting scroll formed by erecting a spiral lap on a panel board; a fixed scroll combined with the orbiting scroll and formed by erecting a spiral lap on a panel board; a main bearing member which is so placed as to set the orbiting scroll placed between the main bearing member and the fixed scroll and which works for holding a seal member; a compression chamber being defined between the orbiting scroll and the fixed scroll; a high-pressure region and a back pressure chamber defined on a back face of the orbiting scroll by the seal member; a back pressure chamber oil-feeding path for feeding lubricating oil from the high-pressure region to the back pressure chamber; and a compression chamber oil-feeding path for feeding lubricating oil from the back pressure chamber to the compression chamber; wherein the compression chamber oil-feeding path comprises a passage formed inside the orbiting scroll, and a recess portion formed in the panel board of the fixed scroll; one opening of the passage is periodically overlapped with the recess portion in accordance with rotating motion of the orbiting scroll so that the back pressure chamber and the compression chamber are intermittently communicated with each other; one opening of the back pressure chamber oil-feeding path passes back and forth through the seal member so that the high-pressure region and the back pressure chamber are intermittently communicated with each other; characterized in that the back pressure chamber oil-feeding path and the compression chamber oil-feeding path are placed in such a positional relation as to prevent co-occurrence of communication from the high-pressure region to the back pressure chamber and communication from the back pressure chamber to the compression chamber.