57 results about "Volume reconstruction" patented technology

The invention relates to a filling deflagration energy accumulation volume fracturing method in cracks. The filling deflagration energy accumulation volume fracturing method comprises the following steps that (1) prepad fluid pumping is performed, and crack initiation and propagation of the cracks are performed; (2) solid particle gunpowder is deflagrated and sand-carrying fluid pumping is performed, and the solid particle gunpowder is carried to fill the cracks; (3) front displacement fluid slug is subjected to pumping, and the sand carrying fluid is displaced into the cracks to separate detonation fluid and the sand carrying fluid; (4) detonation fluid is subjected to slug pumping to detonate the solid particle gunpowder in the cracks; and (5) rear displacement fluid slug is subjected topumping. According to the filling deflagration energy accumulation volume fracturing method, detonation particle gunpowder is injected into the cracks together with the solid particle gunpowder, thenliquid detonating fluid is used for squeezing slugs into the cracks and reacting with the detonation particle gunpowder to release the energy to detonate the solid particle gunpowder filling cracks,complexity of the cracks can be increased on a large scale, compared with conventional hydraulic fracturing, a propping agent in the cracks is subjected to deflagration fracturing, a plurality of random cracks can be stimulated on both sides of a main crack, three-dimensional volume reconstruction is formed, and the effect of fracturing reconstruction is greatly improved.