| CPC E21B 43/103 (2013.01) [E21B 2200/01 (2020.05)] | 16 Claims |

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1. A seal arrangement for a liner hanger, comprising:
a seal ring;
a lock ring adjacent the seal ring, the lock ring including:
a body having an axial dimension, and a radial dimension configured to limit radial compression of the seal ring, during use;
a wing extending from the body in an axial direction of the body, the wing overlapping the seal ring axially with the wing being radially outwardly of the seal ring; and
a shoulder defined by the body, the shoulder complementary to a lock member.
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