NANDIWARDHANA, DAMAR (2013) MODEL NUMERIKAL RESERVOIR SISTEM PANASBUMI PADA DAERAH TOPOGRAFI RELATIF DATAR UNTUK MENCARI KONDISI NATURAL STATE DAN MENGANALISA SENSITIVITAS PANAS PADA RESERVOIR MENGGUNAKAN SOFTWARE TOUGH2. Other thesis, UPN ''VETERAN'' YOGYAKARTA.
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Abstract
Telah dilakukan pemodelan reservoir menggunakan software Tough2 dengan
data sintetik, berupa data permeabilitas dan pororsitas. Dimana terdiri dari 4 lapisan,
yaitu lapisan overburden, lapisan clay caps, lapisan recharge area + lapisan reservoir
(berada pada lapisan yang sama), dan lapisan basement dengan tujuan untuk
menganalisa sensitivitas panas, serta untuk mencari kondisi natural state (natural
state merupakan kondisi setimbang, yaitu dimana kondisi tekanan, temperatur dan
kondisi reservoirnya tidak berubah terhadap waktu).
Dari hasil pemodelan reservoir oleh Tough2 didapat bahwa kondisi natural
state selama 2,20857E+4 tahun, dimana terjadi penurunan suhu dari kondisi natural
state tanpa sumur produksi berbanding kondisi natural state dengan sumur produksi,
dimana suhu pada saat kondisi natural state tanpa sumur produksi sebesar 245OC dan
suhu pada saat kondisi natural state dengan sumur produksi sebesar 235OC pada
kedalaman 1350 m. Sedangkan untuk penggunaan rate 20 kg/s, 25 kg/s, 30 kg/s dan
35 kg/s untuk melihat sensitivitas heat nya, didapatkan bahwa semakin besar nilai
rate yang dipakai dalam suatu sumur produksi, maka akan menurunnya nilai
temperatur di sumur produksi tersebut.
Kata Kunci : Natural state, Inital condition, Tough2, Reservoir
Reservoir modeling has been done using the software Tough2 synthetic data,
the data in the form of permeability and pororsitas. Which consists of four layers,
namely overburden layer, reservoir layer + recharge area layer (located in the same
layer), and basement layer in order to analyzes heat sensitivity, as well as to seek
state natural conditions (natural state is a condition of equilibrium, which is where
the conditions of pressure, temperature and reservoir conditions do not change with
time).
From the modeling results obtained from Tough2 reservoir that natural
conditions state for 2.20857 E +4 years, where the temperature decreases from
natural state conditions without producing wells compared with the natural state
conditions of production wells, where the temperature at the time of natural state
conditions without producing wells at 245OC and the temperature at which the
natural state conditions of 235OC production wells at a depth of 1350 m. As for the
usage rate of 20 kg/s, 25 kg/s, 30 kg/s and 35 kg/s to see its heat sensitivity, it was
found that the greater the value rate used in a production well, it will decrease the
value of the temperature at the production well them.
Keywords: Natural state, Inital condition, Tough2, Reservoir
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > T Technology (General) |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Geography |
| Depositing User: | Erny Azyanti |
| Date Deposited: | 24 May 2016 03:24 |
| Last Modified: | 24 May 2016 03:24 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/2259 |
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