Geofluids

Research Article

Modified Fracture Mechanics Approach for Hydraulic Fracturing Stress Measurements

Table 4

Summary of the experimental stress measurement data and results based on the modified fracture mechanics methods.


No.	HF parameters (MPa)				Calculated stress (MPa)			Error (%)
No.

HF-HS-1	13.01	7.75	6.16	5.31	6.16	10.28	11.45	5.32	17.29
HF-HS-3	14.56	9.79	7.41	4.77	7.41	10.10	13.97	2.05%	41.05%
HF-HS-4	10.61	7.69	5.34	2.92	5.34	10.96	11.49	11.40%	16.75%
HF-HS-5	9.70	7.83	5.72	1.87	5.72	10.91	18.49	10.07%	86.54%

Notes: is the maximum horizontal principal stress determined using the modified Rummel method; is the maximum horizontal principal stress obtained by the modified Abou-Sayed method; , and .