Advertisement

A Completion Technology of Multi-layer Hydraulic Fracturing in One Trip

  • Q. H. Zhai
  • D. K. Xu
  • M. Cai
  • N. Li
  • Z. P. Yang
  • E. C. Wu
Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)

Abstract

A completion technology of multi-layer hydraulic fracturing in Xushen Gas Field of Daqing Oil Field was developed, which was of benefit to efficiency, safety, and cost of the fracturing operation, especially to the individual well production and the formation damage compared with that in conventional hydraulic fracturing due to the replacement of the pipe string. A fracturing completion integration pipe string, in which a new type of cemented carbide hydraulic anchor was developed and other matched downhole tools including pressure guide sandblast packers were improved, was used to meet the needs of multi-layer fracturing in the gas field. The pipe string can bear a maximum working temperature of 160 and a maximum pressure of 90 MPa, with advantages of strong stability and high abrasion resistance after fracturing, so as to well satisfy the requirements of completion and production done without replacing the string. Up to the end of 2016, the technology had been applied in ten wells in the gas field, with a success rate of 100%, which can be regarded as a breakthrough for multi-layer hydraulic fracturing in deep natural gas wells in Xushen Gas Field.

Keywords

Multi-layer hydraulic fracturing Completion One trip Hydraulic anchor Pressure guide sandblast packer 

References

  1. 1.
    Xu ZS, Fang BC (2010) Characteristics of volcanic gas reservoirs and their development strategies in the Xushen Gas Field, Songliao Basin. Nat Gas Ind 30(12):1–4Google Scholar
  2. 2.
    Gao F (2011) A separate layer fracturing technology for volcanic reservoirs in Xushen gasfield. Ph.D. thesis, Northeast Petroleum UniversityGoogle Scholar
  3. 3.
    Sun GM (2008) Research on stimulation measures and key technology in gas wells in Block 1 of Xushen. Master thesis, Daqing Petroleum InstituteGoogle Scholar
  4. 4.
    Wan RP (2008) Modern completion engineering. Petroleum Industry PressGoogle Scholar
  5. 5.
    Xu YQ, Xu DK, Yang ZP et al (2015) Gas resistance high-temperature high-pressure packer rubber for fracturing in deep gas wells. In: Oil Production Engineering, Petroleum Industry PressGoogle Scholar

Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Q. H. Zhai
    • 1
  • D. K. Xu
    • 1
  • M. Cai
    • 1
  • N. Li
    • 1
  • Z. P. Yang
    • 1
  • E. C. Wu
    • 1
  1. 1.Production Engineering & Research Institute of Daqing Oilfield, PetroChinaDaqingChina

Personalised recommendations