Patent ID: 11911790
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  E | IPC B  C

Claim 2:
3. The tool system of claim 1, wherein the second brush pig comprises:
an outer ring defining an inner surface and an outer surface;
a brush emitting from the outer surface of the outer ring;
an inner ring radially centered within the outer ring, the inner ring configured to support the central tubular and the inflatable balloon;
a first support bar extending between an outer surface of the inner ring and an inner surface of the outer ring, the support bar supporting the inner ring to the outer ring;
a second support bar extending between an outer surface of the inner ring and an inner surface of the outer ring, the support bar supporting the inner ring to the outer ring, the first support bar and the second support bar axially retaining the inflatable balloon; and
a solid disk between the inner ring and the outer ring, the solid disk being supported by the outer ring, the solid disk surrounding the inflatable balloon.