Schematic Design of Erosion Test on Cementing Sliding Sleeves in Fracturing Operations

doi:10.11885/j.issn.1674-5086.2015.07.01.23

Abstract

Abstract: New downhole tool inventions should be used after severe tests because the accurate simulation of the actual working conditions is very important. This study explains a four-serial-parallel pump test model to simulate erosion with the creation of a large discharge and high sand content when cementing sliding sleeves were in the operating mode. First, the equipment connection scheme was hypothesized for a two-parallel pump model according to the field test conditions. Then, the equipment connection was designed so that the pump lift in the pipelines reached 35.82 m based on detailed theoretical calculation. With this figure and the H-Q characteristic curve of the actual measurement of one centrifugal pump, the equipment connection was set up as a four-serial-parallel pump model. The simulation results showed that the scheme met the erosion requirements for a large discharge (4.5 to 7.0 m³/min) and high sand content (volume ratio of 25%) and had a large allowance. Furthermore, the test showed that in all fracturing operations, different numbers of sliding sleeve eyelets influenced the overall pipeline pressure loss, test flow, and pump efficiency.

Key words: cementing sliding sleeve, erosion test, head computing, Q-H characteristic curve, four-serial-parallel-pump

CLC Number:

TE256
TH128

WANG Guorong, QIAN Quan, YANG Changhai, WEI Liao, GUO Zhaohui. Schematic Design of Erosion Test on Cementing Sliding Sleeves in Fracturing Operations[J]. 西南石油大学学报(自然科学版), 2017, 39(1): 169-176.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2015.07.01.23

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2017/V39/I1/169

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