Evaluation of the application effectiveness of abrasive jet perforation for enhancing well production rate

V. V. Poplygin, D. Iu Rusinov, M. Wiercigroch, E. E. Pavlovskaia

Research output: Contribution to journalArticle

Abstract

The analysis of the abrasive jet perforation applying results at the wells of the reservoirs in the Perm region is given. During the operation sand carrier-liquid is injected in two modes (with different injection pressure), as a result cuts and vertical channels are appeared. 4-6 cuts in the casing are created at the preselected depths by abrasive jet perforation. The bulb cavities are washed out in the rock, its sizes depend on the rocks strength, the action duration and the sand carrier-liquid power. It is shown that the channels height created by abrasive jet perforation is about 13 cm; its depth is about 22 cm. The permeability of bottomhole zone's near field is increasing substantially, that leads to increasing of oil production rates. According to field materials, the average increase of oil production rates was 5.72 tons per day, and for newly introduced wells, the average oil production rate was 16.3 tons per day after the operation. The average additional oil production is more than 1500 tons per operation. According to the work results, it is noted that the abrasive jet perforation helps in a gentle way to increase the permeability of the bottomhole zone. As a result of the field studies analysis, it was noted that additional oil production by geological and technical measures can decrease with lowering of bottomhole and reservoir pressures. The well production rates after abrasive jet perforation gradually decrease, due to the decrease of bottomhole and reservoir pressures; however, the well productivity coefficients after the operation are higher than at similar pressures before operation.

Original languageEnglish
Pages (from-to)56-58
Number of pages3
JournalNeftyanoe khozyaystvo - Oil Industry
Issue number5
DOIs
Publication statusPublished - May 2017

Fingerprint

Well perforation
Abrasives
Sand
Rocks
Liquids
Productivity
Oils

Keywords

  • Abrasive jet perforation
  • Acid treatment
  • Bottomhole pressure
  • Permeability

ASJC Scopus subject areas

  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

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title = "Evaluation of the application effectiveness of abrasive jet perforation for enhancing well production rate",
abstract = "The analysis of the abrasive jet perforation applying results at the wells of the reservoirs in the Perm region is given. During the operation sand carrier-liquid is injected in two modes (with different injection pressure), as a result cuts and vertical channels are appeared. 4-6 cuts in the casing are created at the preselected depths by abrasive jet perforation. The bulb cavities are washed out in the rock, its sizes depend on the rocks strength, the action duration and the sand carrier-liquid power. It is shown that the channels height created by abrasive jet perforation is about 13 cm; its depth is about 22 cm. The permeability of bottomhole zone's near field is increasing substantially, that leads to increasing of oil production rates. According to field materials, the average increase of oil production rates was 5.72 tons per day, and for newly introduced wells, the average oil production rate was 16.3 tons per day after the operation. The average additional oil production is more than 1500 tons per operation. According to the work results, it is noted that the abrasive jet perforation helps in a gentle way to increase the permeability of the bottomhole zone. As a result of the field studies analysis, it was noted that additional oil production by geological and technical measures can decrease with lowering of bottomhole and reservoir pressures. The well production rates after abrasive jet perforation gradually decrease, due to the decrease of bottomhole and reservoir pressures; however, the well productivity coefficients after the operation are higher than at similar pressures before operation.",
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AB - The analysis of the abrasive jet perforation applying results at the wells of the reservoirs in the Perm region is given. During the operation sand carrier-liquid is injected in two modes (with different injection pressure), as a result cuts and vertical channels are appeared. 4-6 cuts in the casing are created at the preselected depths by abrasive jet perforation. The bulb cavities are washed out in the rock, its sizes depend on the rocks strength, the action duration and the sand carrier-liquid power. It is shown that the channels height created by abrasive jet perforation is about 13 cm; its depth is about 22 cm. The permeability of bottomhole zone's near field is increasing substantially, that leads to increasing of oil production rates. According to field materials, the average increase of oil production rates was 5.72 tons per day, and for newly introduced wells, the average oil production rate was 16.3 tons per day after the operation. The average additional oil production is more than 1500 tons per operation. According to the work results, it is noted that the abrasive jet perforation helps in a gentle way to increase the permeability of the bottomhole zone. As a result of the field studies analysis, it was noted that additional oil production by geological and technical measures can decrease with lowering of bottomhole and reservoir pressures. The well production rates after abrasive jet perforation gradually decrease, due to the decrease of bottomhole and reservoir pressures; however, the well productivity coefficients after the operation are higher than at similar pressures before operation.

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