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PANDUAN PRAKTIKUM
TEKNIK RESERVOIRDISUSUN OLEH :
Ir. Ubaidillah Anwar P, MS
LABORATORIUM PERMINYAKANJURUSAN TEKNIK PERTAMBANGANFAKULTAS TEKNIK UNSRI
2012PRAKTIKUM KE-IANALISA SIFAT PETROFISIK DAN FLUIDAA. Teori Dasar
Data sifat-sifat petrofisik dan fluida merupakan parameter yang sangat penting guna mengetahui kondisi bawah permukaan suatu sumur atau reservoir, karena dapat digunakan untuk menentukan besarnya cadangan hidrokarbon yang terkandung secara volumetric. Data ini antara lain adalah porositas, saturasi dan ketebalan lapisan hidrokarbon.
Satu dari cara untuk menentukan nilai-nilai parameter tersebut diatas adalah melalui hasil pengolahan data logging gamma ray log, resistivity log, density log dan neutron log. Hasil-hasil dari pengolahan data logging ini adalah berupa volume shale (Vsh), porositas () dan saturasi air (Sw).
Untuk mengetahui besarnya nilai-nilai porositas batuan rata-rata, saturasi air rata-rata, ketebalan hidrokarbon (lapisan produktip) dan letak kedalaman lapisannya adalah dengan cara menggunakan metoda cut-off dengan cara menentukan nilai rata-ratanya berikut ini :
EMBED Equation.3
N = jumlah data
Lapisan produktip yang merupakan zona hidrokarbon ditentukan apabila ketiga dari kriteria syarat cut-off tersebut diatas dipenuhi. Sebaliknya apabila salah satu dari ketiga syarat tersebut tidak terpenuhi dinyatakan bahwa jenis fluidanya air.
Selanjutnya untuk menentukan nilai-nilai porositas dan saturasi air adalah dengan cara menggunakan persamaan :
Sw = saturasi air
h = ketebalan lapisan produktip
B. Tujuan Praktikum 1. Menentukaan nilai-nilai cut-off porositas, saturasi air dan volume shale yang merupakan syarat batas bahwa jenis fluida adalah hidrokarbon apabila dipenuhi dan air jika tidak memenuhi persyaratan.
2. Menentukan nilai porositas
3. Menentukan nilai saturasi air
4. Menentukan ketebalan lapisan hidrokarbon dan letak kedalamannya. C. Data Hasil Pengolahan LoggingDepthVshSw DepthVshSw DepthVshSw
(ft)(%)(%)(%)(ft)(%)(%)(%)(ft)(%)(%)(%)
62145.517.8023.8866537.4313.3529.4970975.3525.6686.56
62243.986.2824.0066627.3111.2530.4471075.9826.5483.55
62344.854.5224.1966727.446.4383.0971179.3526.3383.30
62439.5014.0128.6266827.618.6179.0971279.7725.9483.14
62538.7313.7830.2266947.5512.7979.8971380.7125.6579.44
62637.5513.9130.0267047.6512.5483.0871474.5725.5073.20
62744.6914.4664.4567137.7812.4230.8271573.2726.3773.05
62846.4814.8353.2967229.8312.5042.9971665.4126.5033.90
62948.1348.134.9552.3967338.019.4539.2971764.7726.1334.37
63045.134.8872.3667437.537.3031.1471859.225.8838.18
63145.754.8072.3767572.726.3131.1771963.0425.8437.71
63244.6914.7562.4767668.4512.8434.2972065.3326.2038.41
63345.4614.8552.4467769.2424.4338.6172170.9825.7936.78
63444.7614.8842.5167872.6724.1735.9572273.5326.6734.21
63545.3614.8442.5267975.6728.8529.7372376.226.5131.78
63642.9314.8225.8968079.4523.1662.7572474.5925.7832.57
63742.879.3125.8668175.9413.3362.8272575.0725.0832.28
63841.568.3626.7668277.8913.3357.6872671.3423.9735.60
63946.316.7827.2268377.4113.4457.7672771.1323.8936.07
64048.4014.2928.1468479.2113.2468.1572869.6522.9939.96
64149.1614.4528.1768527.9430.0562.8772972.524.2737.85
64246.5814.4234.2368627.7428.2831.1473074.3927.2835.29
64371.5523.1560.4968737.6925.7432.6173173.9428.8833.36
64474.1123.0570.0268837.6926.0231.9173272.5126.9134.40
64577.2823.0170.0268929.4627.6629.8473371.6624.1836.85
64678.5529.1561.7769028.5630.5728.6673469.8223.2838.77
64778.3130.3362.6569127.7823.2428.5673569.137.5658.28
64874.1223.7952.8669257.9123.3027.5873667.818.6376.46
64974.9714.3142.7569358.1523.3325.9373763.936.4474.02
65074.6114.5846.2669458.3223.3325.5373855.277.5984.29
65176.2914.2072.6269548.0913.2527.0973950.167.1883.88
65271.7523.5973.1969648.3013.0627.9374052.925.6463.98
65370.7613.1663.4669748.0613.0629.7774161.774.7861.35
65469.2113.1963.3669848.0313.0729.8474264.86.4463.27
65574.848.4853.0569977.659.6532.0874364.98.9873.68
65678.197.3152.9070073.217.1436.4974465.297.9774.88
65781.356.3382.7470170.066.5238.6574567.719.5583.38
65880.5313.2882.8170267.3914.9139.8774666.318.8384.67
65975.5613.2483.1570371.6912.3738.3574761.778.3186.64
66076.7113.1173.2570475.1324.1735.0274858.879.1576.88
66177.2413.4572.9970580.0424.6631.6874958.758.8476.44
66276.5814.0466.2170680.4024.8731.1775056.676.5785.71
66375.6914.1066.4270779.0024.2333.6775156.165.9084.47
66472.848.0358.8670875.7524.8836.8375254.464.7784.03
PRAKTIKUM KE-II
PETA ISOPACH DAN BULK VOLUME
A. Teori Dasar
Peta isopach adalah peta geologi dimana konturnya dibuat berdasarkan ketebalan lapisan yang sama. Pengertian dari ketebalan lapisan disini adalah ketebalan lapisan produktip yang diperkirakan mengandung hidrokarbon berdasarkan hasil interpretasi data logging.
Kegunaan dari peta isopach ini adalah untuk menentukan besarnya volume batuan reservoir (bulk volume). Di samping itu juga dapat digunakan untuk memprediksikan nilai ketebalan lapisan produktip (lapisan hidrokarbon) apabila akan dilakukan suatu penambahan titik serap atau pengembangan sumur-sumur eksploitasi yang baru dalam program peningkatan produksi lapangan.
Untuk menentukan besarnya nilai bulk volume (Vb) dari peta isopach adalah dengan melalui tahapan-tahapan sebagai berikut ini :
1. Siapkan tabel sebagai berikut ini :
KonturA*
A(acre)
h
(ft)AturanVb(acre-ft)
A* = luas kontur hasil pembacaan A = luas kontur sebenarnya2. Hitung luas per interval kontur (A*) dengan alat planimeter atau melalui kertas grafik kartesian (kertas grafik millimeter) apabila alat planimeter tidak tersedia.
3. Hitung luas per interval kontur yang sebenarnya (A) dalam satuan acre dengan mengkoversikannya terhadap skala peta isopach yang digunakan.
A = A* x skala peta4. Hitung bulk volume per interval kontur dengan menggunakan aturan pyramidal atau aturan trapezoidal.
Aturan pyramidal jika :
Aturan trapezoidal jika :
5. Hitung total bulk volume : Vb = Vbn
B. Tujuan Praktikum
1. Membuat peta isopach suatu lapangan migas
2. Menentukan besarnya bulk volume
C. Data Lapangan : Skala peta 1 : 500SumurXYh (ft)
U-1- 2600+ 70026
U-2- 2400- 140017
U-3- 200- 220012
U-4+ 1000- 50019
U-5+ 3000- 20006
U-6+ 200+ 150023
U-7- 3500- 25006
U-8- 6600+ 2000
U-9+ 2400+ 35007
U-10+ 5000+ 23000
U-11+ 3300+ 100018
U-12+ 4600- 40013
U-13- 1000+ 33008
U-14- 3000- 35000
PRAKTIKUM KE-III
ANALISA POTENSI HIDROKARBON
DENGAN DECLINE CURVE
A. Teori Dasar
Decline curve adalah suatu metoda untuk mengetahui potensi hidrokarbon yang terkandung didalam suatu reservoir (lapangan) hanya berdasarkan data produksi yang terdiri atas : laju produksi, kumulatip produksi dan waktu produksi. Dengan demikian metoda decline curve ini akan dapat diterapkan apabila suatu lapangan telah cukup lama diproduksikan.
Keunggulan metoda decline curve ini dibandingkan dengan metoda volumetric adalah juga dapat menentukan umur produksi dan prediksi laju produksi untuk masa yang akan datang. Konsep dasar dari metoda decline curve ini untuk tujuan yang tersebut diatas adalah melalui analisis penurunan produksi terhadap waktu. Dengan demikian metoda ini akan sangat akurat apabila lapangan tersebut telah selesai dilakukan proses pengembangan sumur (tidak ada penambahan sumur), sehingga produksi menurun semata-mata terjadi hanya diakibatkan oleh semakin kecil hidrokarbon yang terkandung didalam reservoir di lapangan tersebut.
Konsep metoda decline curve ini pertama kali diterapkan oleh J.J. Arp dimana penurunan laju produksi terhadap waktu dinyatakan dalam bentuk persamaan :
Np =
Dimana :
Qo = laju produksi
t = waktu produksi
Np = kumulatip produksi
a = konstanta
b = konstanta loss ratio
Untuk mengkaji tujuan yang akan dicapai dengan metoda decline curve ini J.J. Arp membagi kurva penurunan produksi dalam 4 (empat) bagian yaitu : straight decline, exponential decline, harmonic decline dan hyperbolic decline. Pembagian keempat jenis kurva ini adalah berdasarkan nilai konstanta loss-ratio.
NILAI KONSTATA LOSS RATIO (b) BEDASARKANJENIS KURVA PENURUNAN PRODUKSINOJENIS KURVAb
1
234Straight decline
Exponential declineHarmonic decline Hyperbolic decline 0
010 < b < 1
Melalui penjabaran konsep persamaan penurunan laju produksi terhadap waktu dan system pembagian loss-ratio, selanjutnya J.J. Arp mendapatkan criteria-kriteria persyaratan untuk keempat jenis kurva penurunan produksi.
KRITERIA JENIS-JENIS DECLINE CURVENOJENISBENTUK PLOTHASIL PLOTPERSAMAAN
1Straight 1. Q0 vs T
2. Q0 vs Np
1. Garis lurus
2. Garis lurus1.QO = aT + b
2. Qo = aNp + b
2Exponential1. In Q0 vs T
2. Q0 vs Np
1. Garis lurus
2. Garis lurus1. Ln Qo = aT + b
2. Qo = aNp + b
3Harmonic1. Q0 vs ln Np
2. In Q0 vs In T 1. Garis lurus
2. Garis lurus1. Qo = a LnNp + b
2. LnQo = a LnT + b
4Hyperbolic1. In Q0 vs In T
2. In Q0 vs In Np1. Garis lurus
2. Garis lurus1. LnQo = a LnT + b
2. LnQo = aLnNp + b
Langkah kerja untuk menerapkan metoda decline curve ini adalah sebagai berikut : 1. Siapkan data laju produksi (Qo), kumulatip produksi (Np) dan waktu produksi (T).
2. Buat plot laju produksi dan waktu produksi dalam skala semilog
3. Tentukan jumlah data (N) yang memenuhi persamaan garis lurus dari hasil langkah ke-2 secara trial & error hingga didapatkan nilai koefisien korelasi diatas 0,85 ( R 0,85).
4. Tentukan persamaan garis lurus untuk keempat jenis kurva berikut koefisien korelasi (R), koefisien determinasi (R2) dan standar deviasi (SD) dengan menggunakan data hasil langkah ke-3.5. Tentukan jenis kurva decline curve yang paling sesuai untuk diterapkan berdasarkan criteria nilai SD yang terkecil.
6. Tentukan jumlah cadangan (Np), umur produksi (T) dan produksi masa yang akan datang berdasarkan bentuk persamaan yang sesuai dengan jenis decline yang telah diperoleh. B. Tujuan Praktikum
1. Menentukan jenis kurva decline curve dan persamaan garis lurusnya
2. Menentukan jumlah cadangan hidrokarbon di insitu dan sisa cadangan
3. Menentukan umur produksi lapangan
4. Memprediksikan laju produksi untuk masa 2 (dua) tahun kedepan.C. Data LapanganWaktuQg ( Mcf/d )Gp ( MMcf )
9/1/19812957313596.5
10/1/19812604714403.9
11/1/19812476015146.8
12/1/19812825416022.6
1/1/19822674616851.8
2/1/19823067417741.3
3/1/19823106818704.4
4/1/19822750119529.4
5/1/19822812620401.3
6/1/19823159021349
7/1/19823025922287.1
8/1/19822856223172.5
9/1/19822807224014.6
10/1/19822868724903.9
11/1/19822982125798.6
12/1/19823045526742.7
1/1/19832155927411
2/1/19832133828008.4
3/1/19832653628831.1
4/1/19833218729796.7
5/1/19832908130698.2
6/1/19831944731281.6
7/1/19832811632153.2
8/1/19832650532974.9
9/1/19832548033739.2
10/1/19832049634374.6
11/1/19832513935128.8
12/1/19832239435823
1/1/19842553136614.5
2/1/19841643537074.7
3/1/19842816637947.8
4/1/19841919738523.7
5/1/19841334038937.3
6/1/19841181739291.8
7/1/19843067640242.8
8/1/19842403940988
9/1/19842805541829.6
10/1/19842211242515.1
11/1/19841764043044.3
12/1/19841600843540.5
1/1/19852248744237.6
2/1/1985495444376.3
3/1/19851259644766.8
4/1/19851877245330
5/1/19851159645689.5
6/1/19852548746454.1
7/1/19852386647193.9
8/1/19852722948038
9/1/19852707048850.1
10/1/19853037749791.8
11/1/19853377150804.9
12/1/19851207551179.3
1/1/19863185752166.8
2/1/19863029053045.3
3/1/1986637653242.9
4/1/19861378053656.3
5/1/19862657354480.1
6/1/19862651455275.5
7/1/19863498256359.9
8/1/19861398056793.3
9/1/19863742357916
10/1/19861728658451.9
11/1/19862158959099.5
12/1/19861880559682.5
1/1/19871126860031.8
2/1/19873655161055.2
3/1/19871973861667.1
4/1/19872403062388
5/1/19871500862853.2
6/1/19872619363639
7/1/19873437364704.5
8/1/19871755765248.8
9/1/19872301365939.2
10/1/19872754466793.1
11/1/19872281767477.6
12/1/19871879268060.1
1/1/19881908268651.7
2/1/19882729869416.1
3/1/19883919270631
4/1/19883461271669.4
5/1/19883541672767.3
6/1/19882764473596.6
7/1/19883704574745
8/1/19884693276199.9
9/1/19884979477693.7
10/1/19884836179192.9
11/1/19883684380298.2
12/1/19882468581063.4
1/1/19893795282239.9
2/1/19893224683142.8
3/1/19892763483999.5
4/1/19892029584608.3
5/1/19893273985623.2
6/1/1989758785850.8
7/1/19893808587031.5
8/1/19892489187803.1
9/1/19895734389523.4
10/1/19895115291109.1
11/1/19895467292749.3
12/1/19895075194322.5
1/1/19904449495701.8
2/1/19904732797074.3
3/1/19903060898023.2
4/1/199072219100189.7
5/1/199072108102425.1
6/1/199066320104414.7
7/1/199075629106759.2
8/1/199051039108341.4
9/1/199064108110264.6
10/1/199052953111906.1
11/1/199037434113029.1
12/1/199034739114106.1
1/1/199142996115439
2/1/199155054116980.5
3/1/199160721118862.8
4/1/199173339121063
5/1/199174489123372.1
6/1/199141116124605.6
7/1/199163243126566.1
8/1/199163921128547.7
9/1/199163011130438
10/1/199157528132221.4
11/1/199175087134474
12/1/199174131136772.1
1/1/199271478138987.9
2/1/199251460140428.8
3/1/199260048142290.2
4/1/199281925144748
5/1/199268604146874.7
6/1/199251764148427.6
7/1/199270114150601.2
8/1/199278592153037.6
9/1/199274954155286.2
10/1/199280203157772.5
11/1/199292291160541.2
12/1/199291872163389.2
1/1/199387027166087.1
2/1/199370883168071.8
3/1/199366376170129.4
4/1/199375659172399.2
5/1/199372042174632.5
6/1/199372500176807.5
7/1/199362284178738.3
8/1/199375147181067.9
9/1/199373347183268.3
10/1/199371401185481.7
11/1/199374167187706.7
12/1/199376142190067.1
1/1/199476520192439.3
2/1/199432605193384.8
3/1/199459167195219
4/1/199469159197293.8
5/1/199475381199630.6
6/1/199476912201937.9
7/1/199474425204245.1
8/1/199474653206559.3
9/1/199473270208757.4
10/1/199456075210495.8
11/1/199441072211727.9
12/1/199459347213567.7
1/1/199562025215490.5
2/1/199562580217242.7
3/1/199559391219083.8
4/1/199547900220520.8
5/1/199544527221901.2
6/1/199565046223852.6
7/1/199543185225191.3
8/1/199526951226026.8
9/1/199545112227380.2
10/1/199557617229166.3
11/1/199562376231037.6
12/1/199563431233003.9
1/1/199632880234023.2
2/1/199627325234788.3
3/1/199630933235747.2
4/1/199629808236641.5
5/1/199619044237231.8
6/1/199625902238008.9
7/1/199622806238715.9
8/1/199639841239951
9/1/199651320241490.6
10/1/199641520242777.7
11/1/199639798243971.6
12/1/199640899245239.5
1/1/199727261246084.6
2/1/199732197246986.1
3/1/199736323248112.1
4/1/199743423249414.8
5/1/199740925250683.5
6/1/199733711251694.8
7/1/199740692252956.3
8/1/199744857254346.8
9/1/199748033255787.8
10/1/199736507256919.5
11/1/199741952258178.1
12/1/199749572259714.8
1/1/199851926261324.5
2/1/199846813262682.1
3/1/199837598263847.6
4/1/199844950265196.1
5/1/199846635266641.8
6/1/199845785268015.4
7/1/199848506269519
8/1/199844123270886.8
9/1/199846801272290.9
10/1/199846988273747.5
11/1/199848982275217
12/1/199850005276767.1
1/1/199947237278231.5
2/1/199946770279541
3/1/199945048280937.5
4/1/199943965282256.5
5/1/199941376283539.1
6/1/199942214284805.6
7/1/199943470286153.1
8/1/199937587287318.3
9/1/199937063288430.2
10/1/199937936289606.2
11/1/199931616290554.7
12/1/199938386291744.7
1/1/200036846292886.9
2/1/20004416293010.5
3/1/200037779294181.7
4/1/200034764295224.6
5/1/200036704296362.4
6/1/200036030297443.3
7/1/200035375298540
8/1/200035251299632.7
9/1/200029602300520.8
10/1/200033002301543.8
11/1/200035178302599.2
12/1/200036786303739.5
1/1/200136415304868.4
2/1/200132758305785.6
3/1/200133284306817.4
4/1/200135358307878.2
5/1/200136178308999.7
6/1/200135331310059.6
7/1/200129388310970.6
8/1/200132423311975.8
9/1/200140361313186.6
10/1/200134968314270.6
11/1/200144263315598.5
12/1/200138588316794.7
1/1/200243603318146.4
2/1/200243371319404.2
3/1/200244908320796.3
4/1/200246399322188.3
5/1/200243294323530.4
6/1/200235135324584.4
7/1/200232131325580.5
8/1/200235702326687.3
9/1/200238901327854.3
10/1/200238874329059.4
11/1/200239343330239.7
12/1/200238835331443.6
1/1/200338995332652.4
2/1/200338962333743.4
3/1/200340249334991.1
4/1/200338974336160.3
5/1/200337464337321.7
6/1/200341470338565.8
7/1/200340469339820.3
8/1/200333985340873.8
9/1/200334633341912.8
10/1/200338350343101.7
11/1/200342780344385.1
12/1/200336624345520.4
1/1/200444979346914.8
2/1/200439753348027.8
3/1/200439191349242.7
4/1/200428171350087.9
5/1/200432352351090.8
6/1/200418882351657.3
7/1/200428861352552
8/1/200429381353462.8
9/1/200430231354369.7
10/1/200432096355364.7
11/1/200423208356060.9
12/1/200424187356810.7
1/1/200518624357388.1
2/1/200512270357731.6
3/1/200526946358566.9
4/1/200527144359381.2
5/1/200523902360122.2
6/1/200515312360581.5
7/1/200522343361274.2
8/1/200524612362037.1
9/1/200527378362858.5
10/1/200527992363726.2
11/1/200529934364624.3
12/1/200527273365469.7
1/1/200629142366373.1
2/1/200630365367253.7
3/1/200628455368135.8
4/1/200629342369016.1
5/1/200635615370120.1
6/1/200630139371024.3
7/1/200630363371965.5
8/1/200630220372902.4
9/1/200631646373851.8
10/1/200629137374755
11/1/200626442375548.3
12/1/200624633376311.9
1/1/200727719377171.2
2/1/200725346377880.9
3/1/200724449378638.8
4/1/200725542379405.1
5/1/200721336380066.5
6/1/200729481380950.9
7/1/200729399381862.3
8/1/200728296382739.5
9/1/200725617383508
10/1/200726736384336.8
11/1/200719424384919.5
12/1/200726384385737.5
1/1/200823428386463.7
2/1/200816597386928.4
3/1/200823238387648.8
4/1/200822991388338.6
5/1/200820987388989.2
6/1/200820487389603.8
7/1/200813794390031.4
8/1/200822666390734.1
9/1/200822745391416.4
10/1/200821198392073.5
11/1/200816057392555.3
12/1/200819671393165
1/1/200920219393791.8
2/1/200923171394440.6
3/1/200921671395112.4
4/1/200921509395757.7
5/1/200923656396491
6/1/200919168397066.1
7/1/200918745397647.2
8/1/200920699398288.9
9/1/200922284398957.4
10/1/200920455399591.5
11/1/200923996400311.4
12/1/200924268401063.7
1/1/201024873401834.7
2/1/201022214402478.9
3/1/201016093402977.8
4/1/201018175403523.1
5/1/201017598404068.6
6/1/201017949404607.1
7/1/201017946405163.4
8/1/201017519405706.5
9/1/201016572406203.7
10/1/201016647406719.7
11/1/201018732407281.7
12/1/201018705407861.5
1/1/201118940408448.7
2/1/201119463408993.7
3/1/201119566409600.2
4/1/201119688410190.9
5/1/201118318410758.7
6/1/201118011411299
7/1/201117260411834.1
8/1/201117086412363.8
9/1/201116548412860.2
10/1/201116007413356.4
11/1/201115852413832
12/1/201115031414297.9
1/1/201215525414779.2
Date Gas Rate (Cal. Day) Mcf/d Cumulative Gas Production MMcf Oil Rate (Cal. Day) bbl/d Water Rate (Cal. Day) bbl/d
1/1/198112709.3
2/1/198212709.3
3/1/198212709.3
4/1/198212709.3
5/1/197912709.3
6/1/197912709.3
7/1/197912709.3
8/1/197912709.3
9/1/19792957313596.517663
10/1/19792604714403.912890
11/1/19792476015146.810597
12/1/19792825416022.6124153
1/1/19802674616851.8111133
2/1/19803067417741.319077
3/1/19803106818704.419483
4/1/19802750119529.417178
5/1/19802812620401.316377
6/1/19803159021349222111
7/1/19803025922287.116776
8/1/19802856223172.516666
9/1/19802807224014.616860
10/1/19802868724903.914650
11/1/19802982125798.618340
12/1/19803045526742.719416
1/1/198121559274111379
2/1/19812133828008.414291
3/1/19812653628831.114341
4/1/19813218729796.715758
5/1/19812908130698.216060
6/1/19811944731281.610333
7/1/19812811632153.213942
8/1/19812650532974.913940
9/1/19812548033739.213636
10/1/19812049634374.69831
11/1/19812513935128.811847
12/1/1981223943582312126
1/1/19822553136614.512943
2/1/19821643537074.79727
3/1/19822816637947.813663
4/1/19821919738523.79919
5/1/19821334038937.37414
6/1/19821181739291.85613
7/1/19823067640242.817138
8/1/1982240394098813935
9/1/19822805541829.616339
10/1/19822211242515.112328
11/1/19821764043044.310130
12/1/19821600843540.55518
1/1/19832248744237.614054
2/1/1983495444376.34410
3/1/19831259644766.86118
4/1/1983187724533010731
5/1/19831159645689.56220
6/1/19832548746454.116352
7/1/19832386647193.915046
8/1/1983272294803814543
9/1/19832707048850.113853
10/1/19833037749791.813053
11/1/19833377150804.913559
12/1/19831207551179.35421
1/1/19843185752166.817576
2/1/19843029053045.314567
3/1/1984637653242.92813
4/1/19841378053656.36330
5/1/19842657354480.112048
6/1/19842651455275.511350
7/1/19843498256359.914958
8/1/19841398056793.35321
9/1/1984374235791616671
10/1/19841728658451.98030
11/1/19842158959099.512354
12/1/19841880559682.59237
1/1/19851126860031.85727
2/1/19853655161055.215065
3/1/19851973861667.110135
4/1/1985240306238810038
5/1/19851500862853.29028
6/1/1985261936363911956
7/1/19853437364704.513079
8/1/19851755765248.88045
9/1/19852301365939.210242
10/1/19852754466793.111655
11/1/19852281767477.611245
12/1/19851879268060.16935
1/1/19861908268651.75932
2/1/19862729869416.18949
3/1/1986391927063113476
4/1/19863461271669.412774
5/1/19863541672767.314177
6/1/19862764473596.69853
7/1/19863704574745119123
8/1/19864693276199.9163174
9/1/19864979477693.7162160
10/1/19864836179192.9209164
11/1/19863684380298.2159117
12/1/19862468581063.411076
1/1/19873795282239.9189133
2/1/19873224683142.817093
3/1/19872763483999.516478
4/1/19872029584608.39449
5/1/19873273985623.217179
6/1/1987758785850.83318
7/1/19873808587031.5179105
8/1/19872489187803.113979
9/1/19875734389523.435690
10/1/19875115291109.129167
11/1/19875467292749.324683
12/1/19875075194322.519044
1/1/19884449495701.820346
2/1/19884732797074.321559
3/1/19883060898023.213835
4/1/198872219100189.726465
5/1/198872108102425.132995
6/1/198866320104414.7299103
7/1/198875629106759.2310129
8/1/198851039108341.4232118
9/1/198864108110264.6270155
10/1/198852953111906.1246206
11/1/198837434113029.1193132
12/1/198834739114106.1222127
1/1/198942996115439241145
2/1/198955054116980.5252176
3/1/198960721118862.8246181
4/1/198973339121063262223
5/1/198974489123372.1276146
6/1/198941116124605.6165106
7/1/198963243126566.1229167
8/1/198963921128547.7245204
9/1/198963011130438252132
10/1/198957528132221.4240127
11/1/198975087134474292156
12/1/198974131136772.1280153
1/1/199071478138987.9265149
2/1/199051460140428.8206110
3/1/199060048142290.2226127
4/1/199081925144748304159
5/1/199068604146874.7283162
6/1/199051764148427.6242140
7/1/199070114150601.2242138
8/1/199078592153037.6245148
9/1/199074954155286.2259169
10/1/199080203157772.5236146
11/1/199092291160541.2222143
12/1/199091872163389.2218172
1/1/199187027166087.1206161
2/1/199170883168071.8170125
3/1/199166376170129.4182122
4/1/199175659172399.2200183
5/1/199172042174632.5191143
6/1/199172500176807.5196189
7/1/199162284178738.3163123
8/1/199175147181067.9199157
9/1/199173347183268.3194136
10/1/199171401185481.7179127
11/1/199174167187706.7187135
12/1/199176142190067.1191147
1/1/199276520192439.3187149
2/1/199232605193384.8189100
3/1/199259167195219162105
4/1/199269159197293.8167115
5/1/199275381199630.6175141
6/1/199276912201937.9176137
7/1/199274425204245.1190144
8/1/199274653206559.3206152
9/1/199273270208757.4209144
10/1/199256075210495.815993
11/1/199241072211727.911278
12/1/199259347213567.7173116
1/1/199362025215490.5169114
2/1/199362580217242.7178131
3/1/199359391219083.8179134
4/1/199347900220520.8151106
5/1/199344527221901.212793
6/1/199365046223852.6171125
7/1/199343185225191.39877
8/1/199326951226026.84833
9/1/199345112227380.210873
10/1/199357617229166.3137124
11/1/199362376231037.615683
12/1/199363431233003.916587
1/1/199432880234023.28346
2/1/199427325234788.37142
3/1/199430933235747.27757
4/1/199429808236641.56652
5/1/199419044237231.83131
6/1/199425902238008.94846
7/1/199422806238715.97559
8/1/1994398412399518983
9/1/199451320241490.67370
10/1/199441520242777.7103116
11/1/199439798243971.6112110
12/1/199440899245239.5118167
1/1/199527261246084.68187
2/1/199532197246986.187124
3/1/199536323248112.16798
4/1/199543423249414.886100
5/1/199540925250683.55895
6/1/199533711251694.827140
7/1/199540692252956.362127
8/1/199544857254346.8139129
9/1/199548033255787.8138159
10/1/199536507256919.592120
11/1/199541952258178.156107
12/1/199549572259714.8188165
1/1/199651926261324.5128159
2/1/199646813262682.1234207
3/1/199637598263847.6189200
4/1/199644950265196.1197190
5/1/199646635266641.8170209
6/1/199645785268015.4145248
7/1/199648506269519131235
8/1/199644123270886.859215
9/1/199646801272290.9265236
10/1/199646988273747.5154234
11/1/199648982275217144239
12/1/199650005276767.1167235
1/1/199747237278231.5142233
2/1/199746770279541135228
3/1/199745048280937.5138221
4/1/199743965282256.5138231
5/1/199741376283539.1136233
6/1/199742214284805.6108186
7/1/199743470286153.1128206
8/1/199737587287318.399176
9/1/199737063288430.295144
10/1/199737936289606.2113151
11/1/199731616290554.7102150
12/1/199738386291744.7110152
1/1/199836846292886.987156
2/1/19984416293010.599164
3/1/199837779294181.789153
4/1/199834764295224.679137
5/1/199836704296362.481126
6/1/199836030297443.389139
7/1/19983537529854094129
8/1/199835251299632.7101131
9/1/199829602300520.897123
10/1/199833002301543.881134
11/1/199835178302599.2104143
12/1/199836786303739.5114149
1/1/199936415304868.485134
2/1/199932758305785.675129
3/1/199933284306817.486128
4/1/199935358307878.277154
5/1/199936178308999.777146
6/1/199935331310059.679149
7/1/199929388310970.664120
8/1/199932423311975.868124
9/1/199940361313186.679124
10/1/199934968314270.651101
11/1/199944263315598.556116
12/1/199938588316794.758107
1/1/200043603318146.469123
2/1/200043371319404.270127
3/1/200044908320796.377452
4/1/200046399322188.376136
5/1/200043294323530.476137
6/1/200035135324584.467120
7/1/200032131325580.572134
8/1/200035702326687.358114
9/1/200038901327854.362122
10/1/200038874329059.463119
11/1/200039343330239.759114
12/1/200038835331443.654113
1/1/200138995332652.457116
2/1/200138962333743.468139
3/1/200140249334991.173151
4/1/200138974336160.381162
5/1/200137464337321.769150
6/1/200141470338565.871157
7/1/200140469339820.357130
8/1/200133985340873.861144
9/1/200134633341912.857154
10/1/200138350343101.764164
11/1/200142780344385.165157
12/1/200136624345520.465155
1/1/200244979346914.867159
2/1/200239753348027.871149
3/1/200239191349242.766166
4/1/200228171350087.960150
5/1/200232352351090.854152
6/1/200218882351657.338107
7/1/20022886135255258141
8/1/200229381353462.863153
9/1/200230231354369.767159
10/1/200232096355364.763161
11/1/200223208356060.954133
12/1/200224187356810.761153
1/1/200318624357388.152129
2/1/200312270357731.63085
3/1/200326946358566.92372
4/1/200327144359381.21437
5/1/200323902360122.21336
6/1/200315312360581.5622
7/1/200322343361274.22067
8/1/200324612362037.11749
9/1/200327378362858.51557
10/1/200327992363726.21458
11/1/200329934364624.31876
12/1/200327273365469.71664
1/1/200429142366373.12592
2/1/200430365367253.71879
3/1/200428455368135.81256
4/1/200429342369016.11567
5/1/200435615370120.11876
6/1/200430139371024.31457
7/1/200430363371965.5940
8/1/200430220372902.41041
9/1/200431646373851.81140
10/1/2004291373747551038
11/1/200426442375548.3935
12/1/200424633376311.9834
1/1/200527719377171.2937
2/1/200525346377880.9835
3/1/200524449378638.8732
4/1/200525542379405.1836
5/1/200521336380066.5728
6/1/200529481380950.9935
7/1/200529399381862.3935
8/1/200528296382739.5932
9/1/200525617383508728
10/1/200526736384336.8727
11/1/200519424384919.5623
12/1/200526384385737.5626
1/1/200623428386463.7521
2/1/200616597386928.4315
3/1/200623238387648.8627
4/1/200622991388338.6420
5/1/200620987388989.2520
6/1/200620487389603.8418
7/1/200613794390031.4312
8/1/200622666390734.1419
9/1/200622745391416.4521
10/1/200621198392073.5521
11/1/200616057392555.3417
12/1/200619671393165520
1/1/200720219393791.8522
2/1/200723171394440.6729
3/1/200721671395112.4724
4/1/200721509395757.7522
5/1/200723656396491623
6/1/200719168397066.1523
7/1/200718745397647.2520
8/1/200720699398288.9521
9/1/200722284398957.4624
10/1/200720455399591.5521
11/1/200723996400311.4623
12/1/200724268401063.7624
1/1/200824873401834.7624
2/1/200822214402478.9622
3/1/200816093402977.8413
4/1/200818175403523.1416
5/1/200817598404068.6415
6/1/200817949404607.1417
7/1/200817946405163.4416
8/1/200817519405706.5415
9/1/200816572406203.7414
10/1/200816647406719.7416
11/1/200818732407281.7518
12/1/200818705407861.5521
1/1/200918940408448.7518
2/1/200919463408993.7518
3/1/200919566409600.2519
4/1/200919688410190.9416
5/1/200918318410758.7313
6/1/200918011411299313
7/1/200917260411834.1313
8/1/200917086412363.8313
9/1/200916548412860.2313
10/1/200916007413356.4413
11/1/200915852413832414
12/1/200915031414297.9314
1/1/201015525414779.2314
_1502536613.unknown
_1502536980.unknown
_1502537012.unknown
_1502537249.unknown
_1502536968.unknown
_1411251114.unknown
_1502535192.unknown
_1502536486.unknown
_1411610171.unknown
_1411610367.unknown
_1411610172.unknown
_1411251115.unknown
_1411251112.unknown
_1411251113.unknown
_1411251111.unknown