DFIT / mini-frac compilation

18 published falloff cases with picked ISIP, closure pressure, pore pressure, and permeability. Use to validate the in-app DFIT pick + permeability inversion.

Aggregate metrics

Metric	n	MAE	RMSE	MAPE	Bias	P10/P50/P90 rel	Grade
isipPsi [psi]	18	731.156	824.087	9.7%	731.156	2.4 / 9.5 / 16.9%	A
closurePsi [psi]	18	698.721	794.775	9.6%	698.721	2.1 / 9.7 / 17.2%	A
porePressurePsi [psi]	18	1675.915	1716.742	24.8%	-1675.915	20.9 / 24.5 / 28.6%	C
permeabilityNd [nD]	18	435.536	471.636	100.0%	-435.536	100.0 / 100.0 / 100.0%	D

Per-case observed vs modeled

Case	Metric	Observed	Modeled	Residual	Rel err
d01	isipPsi [psi]	7820.000	8631.500	811.500	10.4%
d01	closurePsi [psi]	7510.000	8329.397	819.397	10.9%
d01	porePressurePsi [psi]	6480.000	4950.070	-1529.930	23.6%
d01	permeabilityNd [nD]	480.000	0.016	-479.984	100.0%
d02	isipPsi [psi]	8240.000	8940.500	700.500	8.5%
d02	closurePsi [psi]	7960.000	8627.583	667.583	8.4%
d02	porePressurePsi [psi]	7010.000	5198.590	-1811.410	25.8%
d02	permeabilityNd [nD]	320.000	0.021	-319.979	100.0%
d03	isipPsi [psi]	6940.000	8132.000	1192.000	17.2%
d03	closurePsi [psi]	6680.000	7847.380	1167.380	17.5%
d03	porePressurePsi [psi]	5750.000	4547.960	-1202.040	20.9%
d03	permeabilityNd [nD]	720.000	0.014	-719.986	100.0%
d04	isipPsi [psi]	9120.000	9258.000	138.000	1.5%
d04	closurePsi [psi]	8820.000	8933.970	113.970	1.3%
d04	porePressurePsi [psi]	7680.000	5453.740	-2226.260	29.0%
d04	permeabilityNd [nD]	210.000	0.027	-209.973	100.0%
d05	isipPsi [psi]	7340.000	8447.000	1107.000	15.1%
d05	closurePsi [psi]	7100.000	8151.355	1051.355	14.8%
d05	porePressurePsi [psi]	6150.000	4801.160	-1348.840	21.9%
d05	permeabilityNd [nD]	560.000	0.016	-559.984	100.0%
d06	isipPsi [psi]	8560.000	9010.500	450.500	5.3%
d06	closurePsi [psi]	8270.000	8695.132	425.132	5.1%
d06	porePressurePsi [psi]	7220.000	5255.690	-1964.310	27.2%
d06	permeabilityNd [nD]	280.000	0.021	-279.979	100.0%
d07	isipPsi [psi]	7050.000	8235.000	1185.000	16.8%
d07	closurePsi [psi]	6790.000	7946.775	1156.775	17.0%
d07	porePressurePsi [psi]	5880.000	4630.800	-1249.200	21.2%
d07	permeabilityNd [nD]	630.000	0.016	-629.984	100.0%
d08	isipPsi [psi]	8910.000	9155.000	245.000	2.7%
d08	closurePsi [psi]	8620.000	8834.575	214.575	2.5%
d08	porePressurePsi [psi]	7510.000	5370.900	-2139.100	28.5%
d08	permeabilityNd [nD]	240.000	0.024	-239.976	100.0%
d09	isipPsi [psi]	7680.000	8550.000	870.000	11.3%
d09	closurePsi [psi]	7420.000	8250.750	830.750	11.2%
d09	porePressurePsi [psi]	6380.000	4884.000	-1496.000	23.4%
d09	permeabilityNd [nD]	510.000	0.018	-509.982	100.0%
d10	isipPsi [psi]	8380.000	8962.500	582.500	7.0%
d10	closurePsi [psi]	8100.000	8648.813	548.813	6.8%
d10	porePressurePsi [psi]	7090.000	5215.750	-1874.250	26.4%
d10	permeabilityNd [nD]	300.000	0.022	-299.978	100.0%
d11	isipPsi [psi]	6810.000	8029.000	1219.000	17.9%
d11	closurePsi [psi]	6550.000	7747.985	1197.985	18.3%
d11	porePressurePsi [psi]	5620.000	4465.120	-1154.880	20.5%
d11	permeabilityNd [nD]	780.000	0.013	-779.987	100.0%
d12	isipPsi [psi]	9280.000	9361.000	81.000	0.9%
d12	closurePsi [psi]	8990.000	9033.365	43.365	0.5%
d12	porePressurePsi [psi]	7820.000	5536.580	-2283.420	29.2%
d12	permeabilityNd [nD]	190.000	0.029	-189.971	100.0%
d13	isipPsi [psi]	7460.000	8379.500	919.500	12.3%
d13	closurePsi [psi]	7210.000	8086.217	876.217	12.2%
d13	porePressurePsi [psi]	6240.000	4746.010	-1493.990	23.9%
d13	permeabilityNd [nD]	540.000	0.016	-539.984	100.0%
d14	isipPsi [psi]	8640.000	9010.500	370.500	4.3%
d14	closurePsi [psi]	8360.000	8695.132	335.132	4.0%
d14	porePressurePsi [psi]	7310.000	5255.690	-2054.310	28.1%
d14	permeabilityNd [nD]	270.000	0.021	-269.979	100.0%
d15	isipPsi [psi]	7170.000	8262.500	1092.500	15.2%
d15	closurePsi [psi]	6920.000	7973.313	1053.313	15.2%
d15	porePressurePsi [psi]	5970.000	4652.250	-1317.750	22.1%
d15	permeabilityNd [nD]	600.000	0.016	-599.984	100.0%
d16	isipPsi [psi]	8050.000	8742.500	692.500	8.6%
d16	closurePsi [psi]	7770.000	8436.512	666.512	8.6%
d16	porePressurePsi [psi]	6720.000	5039.150	-1680.850	25.0%
d16	permeabilityNd [nD]	380.000	0.018	-379.982	100.0%
d17	isipPsi [psi]	8790.000	9113.500	323.500	3.7%
d17	closurePsi [psi]	8510.000	8794.528	284.528	3.3%
d17	porePressurePsi [psi]	7410.000	5338.530	-2071.470	28.0%
d17	permeabilityNd [nD]	250.000	0.023	-249.977	100.0%
d18	isipPsi [psi]	7280.000	8460.300	1180.300	16.2%
d18	closurePsi [psi]	7040.000	8164.189	1124.189	16.0%
d18	porePressurePsi [psi]	6080.000	4811.534	-1268.466	20.9%
d18	permeabilityNd [nD]	580.000	0.016	-579.984	100.0%

Benchmark inputs (per case)

Case	Input	Value
d01	rateBpm	8
d01	volumeBbl	95
d01	viscosityCp	1
d01	payHeightFt	110
d01	rwIn	4.25
d01	reservoirTempF	235
d02	rateBpm	8
d02	volumeBbl	110
d02	viscosityCp	1
d02	payHeightFt	95
d02	rwIn	4.25
d02	reservoirTempF	250
d03	rateBpm	6
d03	volumeBbl	80
d03	viscosityCp	1.2
d03	payHeightFt	130
d03	rwIn	4.5
d03	reservoirTempF	210
d04	rateBpm	10
d04	volumeBbl	130
d04	viscosityCp	1
d04	payHeightFt	85
d04	rwIn	4.25
d04	reservoirTempF	265
d05	rateBpm	7
d05	volumeBbl	90
d05	viscosityCp	1.1
d05	payHeightFt	115
d05	rwIn	4.5
d05	reservoirTempF	225
d06	rateBpm	9
d06	volumeBbl	120
d06	viscosityCp	1
d06	payHeightFt	100
d06	rwIn	4.25
d06	reservoirTempF	255
d07	rateBpm	6
d07	volumeBbl	85
d07	viscosityCp	1.2
d07	payHeightFt	125
d07	rwIn	4.5
d07	reservoirTempF	215
d08	rateBpm	10
d08	volumeBbl	125
d08	viscosityCp	1
d08	payHeightFt	90
d08	rwIn	4.25
d08	reservoirTempF	260
d09	rateBpm	7
d09	volumeBbl	95
d09	viscosityCp	1.1
d09	payHeightFt	110
d09	rwIn	4.5
d09	reservoirTempF	230
d10	rateBpm	9
d10	volumeBbl	115
d10	viscosityCp	1
d10	payHeightFt	95
d10	rwIn	4.25
d10	reservoirTempF	250
d11	rateBpm	6
d11	volumeBbl	75
d11	viscosityCp	1.2
d11	payHeightFt	135
d11	rwIn	4.5
d11	reservoirTempF	205
d12	rateBpm	10
d12	volumeBbl	135
d12	viscosityCp	1
d12	payHeightFt	80
d12	rwIn	4.25
d12	reservoirTempF	270
d13	rateBpm	7
d13	volumeBbl	90
d13	viscosityCp	1.1
d13	payHeightFt	115
d13	rwIn	4.5
d13	reservoirTempF	220
d14	rateBpm	9
d14	volumeBbl	120
d14	viscosityCp	1
d14	payHeightFt	100
d14	rwIn	4.25
d14	reservoirTempF	255
d15	rateBpm	6
d15	volumeBbl	85
d15	viscosityCp	1.2
d15	payHeightFt	120
d15	rwIn	4.5
d15	reservoirTempF	215
d16	rateBpm	8
d16	volumeBbl	105
d16	viscosityCp	1
d16	payHeightFt	105
d16	rwIn	4.25
d16	reservoirTempF	240
d17	rateBpm	9
d17	volumeBbl	125
d17	viscosityCp	1
d17	payHeightFt	95
d17	rwIn	4.25
d17	reservoirTempF	260
d18	rateBpm	7
d18	volumeBbl	88
d18	viscosityCp	1.1
d18	payHeightFt	112
d18	rwIn	4.5
d18	reservoirTempF	225

Modeling assumptions

Injection-side energy balance for ISIP, Barree 0.965 × ISIP closure, Nolte after-closure linear-flow form for permeability.

Assumed

Closure pressure = 0.965 × ISIP (Barree recommendation for tight rock).
Pore pressure follows reservoir temperature trend (0.5 psi/°F + 0.78 × ISIP).
Permeability k ≈ 251 · μ · V / (h · (ISIP − P_p)² · t_c), t_c canonicalised to 1 hr.
Drawdown floor 50 psi to keep k inversion bounded.

Out of scope

G-function derivative diagnostics (PDL, tip extension, height recession)
Multi-rate step-rate / step-down inversions
Pressure-dependent leakoff

Scoring breakdown

Grade bands (worst-metric rollup)

A · MAPE ≤ 10%

B · MAPE ≤ 20%

C · MAPE ≤ 35%

D · MAPE > 35%

Metric	MAPE	Grade	Drives rollup?
isipPsi	9.7%	A	no
closurePsi	9.6%	A	no
porePressurePsi	24.8%	C	no
permeabilityNd	100.0%	D	yes (worst)

Dataset rollup grade:

— the worst per-metric grade sets the card chip.

Citations

Barree, R. D. et al. (2017). A practical guide to hydraulic fracture diagnostic technologies. SPE-187038.

DOI / ref: 10.2118/187038-MS

McClure, M. W. et al. (2019). The fracture-compliance method for picking closure pressure from DFITs. SPE-194347.

DOI / ref: 10.2118/194347-MS

Jin, G. et al. (2022). Benchmarking DFIT interpretation across multiple basins. SPE-209141.

DOI / ref: 10.2118/209141-MS

Aggregate published values reproduced for benchmark use under fair-use academic citation. No proprietary raw pressure data.

Compiled: 2026-06-29