Development of San Kamphaeng Geothermal Energy Project, Thailand

702001-101235-1031-B
Author : T.Ramingwong & S. Praserdvigai
Publication : Bulletin of the Geological Society of Malaysia
Page : 627-641
Volume Number : 19
Year : 1986
DOI : https://doi.org/10.7186/bgsm19198646

Bulletin of the Geological Society of Malaysia, Volume 19, April 1986, pp. 627 – 641

Development of San Kamphaeng Geothermal Energy Project, Thailand

TAVISAKDI RAMINGWONG1 and SURACHAI PRASERDVIGAI2

1Department of Geological Sciences, Chiang Mai University, Chiang Mai

2Special Energy Division, Electricity Generating Authority of Thailand, Nonthaburi

 

Abstract: Taking into account the relevant geological and sociological information, San Kamphaeng Geothermal Field, northern Thailand has been selected as a case study for an exploration drilling programme. The first ever geothermal exploration well in Thailand, GTE-1, was commenced at the end of 1981. Up to the present time, six geothermal exploration wells, GTE-1 to GTE-6, with an average maximum depth of 500 m have been drilled. Two wells encountered hot water while the rest are dry. GTE-2 is now discharging hot water of 85°C with a very small discharge. GTE-6 encountered hot water of 120°C at the depth of 489 m and is now discharging hot water of 104°C, 3.6 bar pressure and approximately 4 I/s at the well head. A number of shallow wells, less than 50 m depth, were drilled in the thermal manifestation area and where resistivity survey showed relatively low values at shallow depth, suggesting possible zone of thermal water accumulation. Five shallow wells encountered hot water with temperatures ranging from 100° – 130°C. Reservoir model of San Kamphaeng geothermal system is proposed. Under the joint technical programme between the governments of Thailand and Japan, a deep exploration well, to the depth of at least 1,500 m, is scheduled to start in July 1984.

https://doi.org/10.7186/bgsm19198646


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