What is the fine-grained topic of the following text: Stabil Drill, a Superior Energy Services company, has sent one of its patented Pneumatic Mud Buckets to Sakhalin, Russia, to assist on a rig with problems while breaking drill pipe, announced president Sammy Russo. Only return the topic.
Stabil Drill's deployment of its Pneumatic Mud Buckets to assist rig issues in Sakhalin, Russia.