After 2000, the oil resources of Lenghu Town began to dry up. In 2008, the petroleum geological team made its last attempt and drilled an exploratory well in Oberang. Turnout only a high-pressure boronized hot spring was found at a depth of 1,700 meters underground. A red river flows out in this special administrative area with an area of 17,800 square kilometers, only the executive committee and some low-yield gas well employees and vendors have fewer than 1,000 people who insist on seeking rebirth. The oil town was gradually submerged in the historical.