| abstract |
The invention discloses a method for temporary plugging volume fracturing of highly deviated wells with screen pipes, which comprises the following steps: S1, collecting basic parameters of oil reservoirs in construction wells; Cluster perforation; S3, select cross-linked gel fracturing fluid; S4, set fracturing construction parameters and scale; S5, inject fracturing fluid into the formation for first-stage fracturing; S6, inject high-strength water-soluble powder The permanent temporary plugging agent forces the fracture to turn at the end; S7. Inject high-strength granular water-soluble temporary plugging agent into the formation to plug the perforation positions that have been opened and the crack openings that have been formed, and perform the second stage of temporary plugging and fracturing ; S8, repeating step S5, step S6 and step S7 in sequence to complete the temporary plugging volume fracturing of the reservoir section of the highly deviated well with the screen. The present invention adopts the technology of "large particle bridging and fine particle plugging" to carry out temporary plugging volume fracturing for high-inclination wells to increase production capacity. |