Characterisation of the fracture- and karst-controlled geothermal reservoir below Munich from geophysical wireline and well information

Geothermal Energy

Science – Society – Technology

Table 7 Summary of the interpreted HAZs of the reservoir with according facies and lithological characteristics and \({\text{v}}_{{\text{p}}}\)

HAZ	Identified by			Well	Depth below Top Purbeck [m]	Thickness [m]		Injected fluid [%]	Facies [%]		Lithology—mud log [%]					\({{\text{v}}}_{{\text{p}}}\) [km s⁻¹]
HAZ	RPS	ML	T	Well	Depth below Top Purbeck [m]	MD	TVD	Injected fluid [%]	Bedding	Massive	D	L	DL	CD	N	Min	Max	Mean
1	x			5	24	80	37	95	71	29	13	0	75	0	12	4.12	6.33	5.12
	x		x	4	32	16	12	61	68	32	0	0	100	0	0	No data	No data	No data
	x		x	1	31	28	23	42	66	34	76	24	0	0	0	No data No data	No data	No data
	x			6	35	36	25	53	85	15	50	9	41	0	0	4.40	6.10	5.44
2		x		3	156	58	26	No data	No data		0	0	0	0	100	No data	No data	No data
		x		5	173	86	39	0.4	0	100	0	0	4	96	0	3.60	5.58	5.04
	x			6	159	121	66	28	9	91	0	100	0	0	0	4.69	6.21	5.35
		x		2a	183	94	53	No data	0	100	74	0	26	0	0	4.43	6.09	5.41
3			x	4	73	14	10	2	44	56	0	0	100	0	0	No data	No data	No data
4			x	4	113	18	12	No data	0	100	63	0	33	5	0
5			x	4	495	21	11	No data	0	100	78	6	16	0	0
6	x			1	212	190	87	52	0	100	0	0	25	74	0	4.04	6.52	5.41
7		x		1	308	14	4	No data	0	100	0	0	100	0	0	4.82	6.22	5.96
8		x		1	424	122	9	No data	0	100	8	92	0	0	0	No data	No data	No data
9		x		2a	279	28	14	No data	0	100	83	0	17	0	0	4.33	5.44	4.75
10		x		2a	367	37	18	No data	0	100	100	0	0	0	0	5.56	6.78	6.11

HAZ hydraulic active zone, RPS revolutions per second—flowmeter, ML mud loss, T temperature, MD measured depth, TVD total vertical depth, D dolomite, L limestone, DL dolomitic limestone, CD calcareous dolomite