wherein the in-hole equipment comprises: a bidirectional rolling device, a split-type axial-force-free circuit switching valve, a packer and an impression machine; the bidirectional rolling device is detachably connected with the pipeline, and axial movement and circumferential rotation of the bidirectional rolling device relative to a drilled hole are rolling friction;

wherein the packer comprises: an upper packer, a fracture section steel pipe and a lower packer which are sequentially detachably connected in that order, and the fracture section steel pipe defines a water outlet;

wherein the split-type axial-force-free circuit switching valve defines a first waterway channel and a second waterway channel; the split-type axial-force-free circuit switching valve is capable of switching between a first state and a second state under a driving action of the pipeline; in the first state, an internal waterway of the split-type axial-force-free circuit switching valve is connected with the upper packer and the lower packer through the first waterway channel to form a double-packer structure; and in the second state, the internal waterway of the split-type axial-force-free circuit switching valve is connected with the water outlet of the fracture section steel pipe through the second waterway channel and a central rod of the upper packer; and

wherein the in-hole equipment is configured to use the bidirectional rolling device, the split-type axial-force-free circuit switching valve, and the packer which are sequentially connected in that order in a quantitative value test, and use the bidirectional rolling device and the impression machine which are sequentially connected in that order in an impression test.