Special petroleum extraction small column for rock soluble organic matters

The utility model discloses a special petroleum extraction small column for rock soluble organic matters in the field of rock treatment equipment, which comprises a base, the top of the base is fixedly connected with a support column, the surface of the support column is sleeved with a sleeve, the two sides of the sleeve are provided with fixing blocks, the surface of each fixing block is provided with a first placing groove, and the first placing grooves are communicated with the support column. And an extraction small column body is arranged in the first placing groove. According to the device, the position of the sleeve can be adjusted through the base and the supporting column, the extraction small column body can be placed through the fixing block and the first placing groove, organic matter and petroleum in rock can be extracted through the extraction small column body, and materials can be conveniently added into the extraction small column body through the sample feeding pipe and the connecting pipe;