Numerical and experimental investigation of hydraulic fracture using the synthesized PMMA

被引:15
作者
Khadraoui, Sofiane [1 ,2 ,5 ]
Hachemi, Messaoud [1 ]
Allal, Ahmed [2 ]
Rabiei, Minou [3 ]
Arabi, Abderraouf [4 ]
Khodja, Mohamed [5 ]
Lebouachera, Seif El Islam [2 ]
Drouiche, Nadjib [6 ]
机构
[1] Univ MHamed Bougara Boumerdes, Fac Engn Sci, Res Unit Mat Proc & Environm UR MPE, Boumerdes 35000, Algeria
[2] Univ Pau & Pays Adour, E2S, CNRS, UMR 5254,IPREM,Inst Sci Analyt & Physicochim Envi, 2 Ave P Angot, F-64000 Pau, France
[3] Univ North Dakota, Dept Petr Engn, Coll Engn & Mines, Grand Forks, ND USA
[4] Univ Sci & Technol Houari Boumediene USTHB, LMFTA, Phys Fac Lab Theoret & Appl Fluid Mech, BP 32, Algiers 16111, Algeria
[5] SONATRACH, Direct Cent Rech & Dev, Ave 1 Novembre, Boumerdes 35000, Algeria
[6] Ctr Rech Technol Semicond Energet, Div CCPM, N2,Bd Dr Frantz Fanon,POB 140, Algiers 16038, Algeria
关键词
Hydraulic fracture; Numerical simulation; Analytical solutions; PMMA; Fracture propagation; Breakdown pressure; MODE-I; PROPAGATION; FLUID; GEOMETRY; PERMEABILITY; TOUGHNESS; BRITTLE; PLANE;
D O I
10.1007/s00289-020-03300-6
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Hydraulic fracturing is a technique used for stimulation of unconventional reservoirs including shale plays. Several parameters, including rock properties, state of stresses, and fracturing fluid characteristics, influence successful design and implementation of a hydraulic fracturing operation. Monitoring of real-time hydraulic fracture initiation and propagation in the field to improve the design parameters is costly. Several hydraulic fracturing laboratory studies have been reported; however, similar to the field operations, real-time observation of the fracturing fluid penetration to the rock sample is not practical throughout the test but the sample can only be inspected post-experiment. In this work, we present the specifications of a through see synthesized polymethyl methacrylate (PMMA) material which was made for the purpose of laboratory experimental hydraulic fracturing testing. The mechanical testing of the PMMA allowed us to obtain the mechanical properties, including tensile and compressive strengths as well as toughness are close to the typical tight samples used in the laboratory for hydraulic fracturing experiments. Hydraulic fracturing tests were performed on a number of cylindrical PMMA samples to investigate the effect of injecting fluid viscosity and flow rate as well as the geometry of the initial crack on fracture breakdown pressure and the characteristics of the propagating fracture. The ability to directly observe the fracture geometry throughout the experiment allowed us to make a good correspondence between the pressure-time curve and the evolution of the fracture geometry. Numerical modeling using ANSYS was performed to run multiple simulations and do sensitivity analysis of different parameters similar to the laboratory experiments. The results also were compared with some of the analytical solutions.
引用
收藏
页码:3803 / 3820
页数:18
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